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19185 results about "Wastewater" patented technology

Wastewater (or waste water) is any water that has been affected by human use. Wastewater is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". Therefore, wastewater is a byproduct of domestic, industrial, commercial or agricultural activities. The characteristics of wastewater vary depending on the source. Types of wastewater include: domestic wastewater from households, municipal wastewater from communities (also called sewage) and industrial wastewater. Wastewater can contain physical, chemical and biological pollutants.

Wastewater and dirty salt treatment process optimization method and system based on digital twinning

The invention discloses a digital twinning-based wastewater and dirty salt treatment process optimization method and system, and relates to the technical field of intelligent wastewater and dirty salt treatment. The method comprises the steps that a digital twinborn model synchronously mapped with a processing system is established, and the digital twinborn model integrates the technological parameter incidence relation of an evaporation section, a crystallization section and a filtering section; collecting component data and flow data of the polluted salt wastewater corresponding to each process section in real time; correcting model characteristic parameters of each process section in the digital twin model based on the component data and the flow data collected in real time; according to the corrected digital twin model and the optimization target, generating a process optimization strategy corresponding to each process section; and monitoring the component data of the treated discharge water, reuse water, industrial salt and solid waste in real time, and if the data does not reach the standard, triggering model parameter correction, optimization strategy iteration or cross-section collaborative logic recalculation. According to the invention, intelligent cooperation of wastewater and dirty salt treatment is realized.
Owner:CHENGDU QINGJING ENVIRONMENTAL TECH CO LTD +1

Water and dust circulation cleaning head and cleaning tool

The invention discloses a water and dust circulation cleaning head and a cleaning tool. The water and dust circulation cleaning head comprises a cleaning head shell assembly, a cleaning roller and an extrusion roller. The cleaning head shell assembly comprises a cleaning head shell body provided with two side walls, one side wall is fixedly connected with a hinge base, the hinge base is hinged to one end of a driving motor, and the output end of the other end of the driving motor is connected with the other side wall in a clamped mode. The cleaning roller sleeves the driving motor, and the output end of the cleaning roller is coupled to drive the cleaning roller to rotate to scrub a to-be-cleaned surface; the cleaning head shell body is provided with a water guide tip which abuts against the cleaning roller in the saturated state in the axial direction of the whole cleaning roller and guides sewage. The extrusion roller is rotatably clamped between the two side walls, clear water can be sprayed out from a clear water outlet formed in one side wall to directly wash the surface of the cleaning roller, an anti-overflow plate upwards extends from the cleaning head shell body away from the extrusion roller relative to the water guide tip part, and a water tank space is defined by the water guide tip part, the anti-overflow plate, the extrusion roller and the cleaning roller.
Owner:WUHAN DIISEA INTELLIGENCE TECH CO LTD

Intelligent control method for wastewater treatment devices at dry bulk cargo terminal

The present invention relates to the technical field of the control of wastewater treatment devices. Disclosed is an intelligent control method for wastewater treatment devices at a dry bulk cargo terminal, which is used for solving the problem of poor control of wastewater treatment devices at a terminal. The method comprises the following steps: installing a plurality of types of sensors at key locations of a dry bulk cargo terminal, and using edge computing nodes to perform real-time data collection and preprocessing; on the basis of historical features and temporal features, using a machine learning model to perform wastewater type classification, thereby realizing efficient dynamic adjustment of operating parameters of wastewater treatment devices; then, by means of weighted voting and confidence evaluation, integrating a plurality of classification results to ensure an optimal treatment effect; and analyzing actual wastewater treatment conditions to continuously optimize device control, thereby preventing faults, extending the service life of devices, and improving the wastewater treatment effect.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

Wastewater collection equipment convenient to clean

The utility model relates to the technical field of waste water collection, and discloses waste water collection equipment convenient to clean, which comprises a tank body, an anti-blocking structure is arranged in the tank body, and the anti-blocking structure comprises a screening disc, a rotating shaft, a sleeve, a scraper blade, a fixing frame, a sliding chute, a reciprocating screw rod, a connecting cylinder, an L-shaped rod and a cleaning plate, impurities in waste water are separated from water liquid through a screening disc, at the moment, separated water continues to move downwards to be subjected to follow-up filtering work again, then part of fixed impurities are left on the surface of the screening disc, and when a scraper rotates to the position of a collecting assembly, an output shaft of a waterproof motor rotates to drive a reciprocating lead screw to rotate; and the connecting cylinder moves to drive an L-shaped rod on the side wall of the connecting cylinder and a cleaning plate to move so as to push and clean impurities pushed by the scraper, the impurities accumulated on the surface of the scraper are pushed into a collecting assembly to be collected through movement of the cleaning plate, and the using effect of the device is further improved.
Owner:NANCHANG LINTAI CONSTR ENG CO LTD

Modified ceramsite filler based on iron-sulfur autotrophic denitrification as well as preparation method and application of modified ceramsite filler

The invention discloses a modified ceramsite filler based on iron-sulfur autotrophic denitrification as well as a preparation method and application thereof, and belongs to the technical field of sewage treatment. The modified ceramsite filler based on iron-sulfur autotrophic denitrification is ceramsite loaded with a modifier; the modifier comprises the following components: iron powder, pyrite powder and biochar; the mass ratio of the iron powder to the pyrite powder to the charcoal is 3: 6: 1; the mass ratio of the modifier to the ceramsite is 1.5: 1. The iron powder (zero-valent iron), the pyrite powder and the biochar are combined to modify the common ceramsite, the denitrification effect of the biofilter on low C / N wastewater is greatly improved, and under typical experimental conditions, the denitrification rate of the biofilter containing the modified ceramsite filler on low-carbon-nitrogen-ratio wastewater is improved by 90% or above compared with that of a common ceramsite biofilter. And the modified ceramsite filler prepared by the invention can obviously improve the phosphorus removal effect of the biological filter on wastewater with low carbon nitrogen ratio.
Owner:HUNAN UNIV

Machine learning-assisted rational design of separation membranes

An ML-assisted framework is disclosed that can guide the design of fit-for-purpose separation membranes for resource recovery and clean water production from wastewaters. Approaches and methodologies for executing the work include the integrated components: 1) ML-assisted new polymer screening; 2) development of an interpretable ML model for membrane properties prediction; 3) mechanistic constitutive model; 4) development of a statistical ML model with a combination of proper regularization for membrane performance prediction; 5) separation membrane fabrication and evaluation.
Owner:GEORGIA TECH RES CORP

Industrial sewage water quality real-time prediction and early warning method and system

The invention relates to the technical field of water quality prediction, and discloses an industrial sewage water quality real-time prediction and early warning method and system. According to the method, the depth features of the internal treatment process state of each water quality treatment unit are extracted, so that the problem that the prediction precision of a prediction model is limited due to the fact that the internal deep features cannot be excavated in a traditional method is solved; a migration rule and a response relation of pollutants between every two adjacent water quality treatment units are analyzed through real-time water quality parameters, so that a water quality flow association graph with the water quality treatment units as nodes, pollutant migration paths as edges and cross-unit association strength as edge weights is constructed; the driving effect of the water quality change of the upstream water quality treatment unit on the treatment effect of the downstream water quality treatment unit is quantified, the accurate quantification of the cross-unit dynamic linkage effect is realized, and the problem that the linkage effect is caused by neglecting the transfer and conversion of pollutants among the water quality treatment units in the prior art is solved. Therefore, the water quality prediction accuracy is improved.
Owner:GUANGDONG SHENGTAI ENVIRONMENTAL TECHNOLOGY CO LTD

Sewage treatment control system based on data analysis

The invention relates to the technical field of sewage treatment control, in particular to a sewage treatment control system based on data analysis. The system comprises a data acquisition module, a water quality prediction module, a dynamic adjustment module and an energy-saving feedback module. The data acquisition module acquires water quality historical data, environmental factor data and sewage flow data, the water quality prediction module is used for establishing a long-short term memory network model for predicting the water quality change trend, and the dynamic adjustment module is used for analyzing the relationship between water quality indexes and equipment operation parameters by using a Pearson's correlation coefficient analysis method. An energy-saving feedback module is adopted; a genetic algorithm is adopted to find an optimal operation combination among the devices; feedback adjustment is performed on the aeration rate, the water pump flow rate and the stirring speed parameters of the dynamic adjustment module, so that when the water quality changes, the operation parameters of the devices are adjusted in time, and the sewage treatment effect is ensured; and energy consumption is reduced.
Owner:YINGKOU SIJING ENVIRONMENTAL PROTECTION TECH CO LTD

Method and device for recycling industrial organic waste liquid

The invention discloses a method and a device for recycling industrial organic waste liquid, belongs to the technical field of waste liquid treatment, and provides the method and the device for recycling the industrial organic waste liquid in order to solve the problems that the treatment efficiency of equipment on waste water is low and the overall treatment cost is increased. Comprising the following steps: S1, respectively collecting industrial organic waste liquid in a collecting tank, adjusting a proper temperature in the collecting tank according to the characteristics of the waste liquid, stirring the waste liquid in the collecting tank at a low speed by utilizing a stirring device, preliminarily filtering the waste liquid by virtue of a filter screen after stirring is completed, and conveying obtained filtrate into a temporary storage tank by virtue of a pipeline, through collection, temporary storage, acid-base neutralization, precipitation, flocculation, sedimentation, ultrasonic treatment, reverse osmosis, supercritical oxidation and the like, organic waste liquid is fully treated step by step, the treatment efficiency is improved, meanwhile, the pollution of wastewater discharge to the environment is reduced, the wastewater can be stirred while a precipitator is added, and the precipitation efficiency of sewage is improved.
Owner:CECEP (LIANYUNGANG) CLEAN TECH DEV CO LTD

Sewage treatment control process realized based on dynamic regulation and control of aeration and carbon source addition

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment control process based on dynamic regulation and control of aeration and carbon source addition, which comprises the following steps: acquiring microbial metabolism heat change data in real time; biochemical treatment: monitoring the dielectric constant of a water body and the Reynolds number of sewage flow in real time, and constructing a multi-parameter coupling regulation and control model and dynamically regulating and controlling the aeration rate in combination with microbial metabolism heat change data obtained in the pretreatment step; accurately adding the carbon source according to a calculation result of the carbon source demand prediction model; sewage subjected to biochemical treatment is subjected to ultrafiltration through a nanofiber membrane and then subjected to combined disinfection treatment through ultraviolet rays and ozone, treatment parameters are regulated and controlled in real time according to the membrane flux attenuation trend in the treatment process, and dynamic and accurate control over sewage treatment is achieved. According to the method, the problem of energy consumption waste caused by excessive aeration or low degradation efficiency caused by insufficient aeration in a traditional process is solved, and accurate matching of dissolved oxygen supply and microbial requirements is realized.
Owner:SHANDONG XIANGMING SHUZHI IOT TECH CO LTD

Double-side water inlet and outlet independent salt path control valve and operation method thereof

The invention discloses a double-side water inlet and outlet independent salt path control valve and an operation method thereof.The double-side water inlet and outlet independent salt path control valve comprises a control valve body, a control valve flow channel switching assembly and a salt path switching assembly, and a grating inner cavity communicating with a softening tank is formed in the control valve body; the water inlet channel and the water outlet channel are both communicated with the grille inner cavity and located in the same straight line direction, the siphon installation channel is communicated with the grille inner cavity, the siphon installation channel is communicated with the salt suction channel through a salt valve assembly installation channel, a pulse booster pump is arranged on the water inlet channel, and the pulse pump is started during back washing and front washing. Based on the cooperative arrangement of the control valve body, the control valve flow channel switching assembly and the salt path switching assembly, the control valve can be conveniently operated, and the working states of purification, backwashing, salt absorption or water supplement of the softening machine can be flexibly switched; and the pulse pump is started during backwashing and conventional washing, so that the pressure of the water inlet is increased, the backwashing and conventional washing time is shortened, the backwashing and conventional washing effects are enhanced, and wastewater discharge is reduced.
Owner:TJN TECH (BEIJING) CO LTD

Water treatment system for removing PFOA (perfluorooctanoic acid) in soil washing wastewater through electrooxidation coupled hydrogen peroxide reduction and application of water treatment system

The invention relates to a water treatment system for removing PFOA (perfluorooctanoic acid) in soil washing wastewater through electrooxidation coupled hydrogen peroxide reduction and application, CF / FeCo-N-C with high H2O2RR activity is prepared as a cathode to replace the traditional HER cathode reaction, the cathode potential is improved, the cathode polarization is reduced, and the input voltage and energy consumption of the system are reduced. Besides, the water treatment system is used for electrooxidative degradation of actual PFOA-containing soil washing wastewater, and compared with the prior art, the water treatment system has the advantages that the theoretical value of cathode potential can be increased from 0V vs.RHE of HER to 1.78 V vs.RHE, the ultra-low thermodynamic equilibrium potential of 1.02 V is achieved, deep treatment of the PFOA-containing soil washing wastewater is achieved, energy consumption is remarkably reduced, and the method is suitable for industrial production. New theoretical insight and practical significance are provided for sustainable treatment of PFOA-containing soil washing wastewater, and a new technical mode is provided for a post-treatment stage in soil remediation.
Owner:TONGJI UNIV

Low-carbon flexible coal-fired unit power control system and method

The invention discloses a low-carbon flexible coal-fired unit power control system and method, and relates to the technical field of power systems, and the system comprises a cascade waste heat recovery module, a boiler deep regulation and control module, a thermal coordination module, an environmental protection and emission reduction module, an intelligent operation scheduling module and an energy efficiency monitoring module. The gradient waste heat recovery module carries out gradient recovery on flue gas heat energy according to temperature zone grades; the boiler depth regulation and control module is used for regulating combustion air supply and heat absorption paths to realize low-load stable combustion; the thermal coordination module dynamically distributes thermal loads between the multiple heat sources and the thermal units; the environmental protection and emission reduction module jointly controls desulfurization, denitration and wastewater resourceful treatment; the intelligent operation scheduling module generates a load regulation and control instruction and coordinates multi-module response; the energy efficiency monitoring module collects and analyzes energy consumption and emission indexes and assists strategy optimization. The energy efficiency utilization and emission control capability of the unit under the deep peak regulation condition is improved, and flexible, efficient and low-carbon operation is achieved.
Owner:SHANGHAI HUADIAN ELECTRIC POWER DEV CO LTD

Ecological environment evaluation method and device for coal mine area and mining area environment evaluation system

The invention provides an ecological environment evaluation method and device for a coal mine area and a mining area environment evaluation system. The method comprises the steps that a plurality of environmental indexes of a coal mine area are obtained, and the environmental indexes comprise one or more of soil quality, water quality index, vegetation coverage rate, air quality index, noise level, waste water discharge amount, waste gas discharge amount, biodiversity index, heavy metal content and greening coverage area; the relevancy between the environment indexes is obtained, and the relevancy is the changed relevancy degree between any two environment indexes; a first weight coefficient is determined according to the relevancy, and the first weight coefficient and the relevancy are in positive correlation; and performing weighted average at least according to the plurality of environment indexes and the first weight coefficients corresponding to the environment indexes to obtain an evaluation score. According to the scheme, the problem of low accuracy of the evaluation result of the coal mine environment in the prior art is solved.
Owner:SHENHUA SHENDONG COAL GRP +1

Integrated rapid treatment system for nuclear medical radioactive wastewater and application method thereof

The present disclosure discloses an integrated rapid treatment system for nuclear medical radioactive wastewater and an application method thereof. This system includes a wastewater collection unit; a pretreatment unit; a deep purification unit; a solid decay unit; a buffer unit; an online monitoring unit; and a control unit, wherein the online monitoring unit includes a radioactivity level detection module for detecting total α and total β radioactivity concentrations of inlet and outlet water of a medium in each unit, and a real-time monitoring module for treatment process parameters. The present disclosure discloses an integrated rapid treatment system for nuclear medical radioactive wastewater and an application method thereof, which can efficiently and quickly purify multi-nuclide organic low-level wastewater produced by a nuclear medical process, and realize rapid online monitoring and automatic control at the same time.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Comprehensive quantitative traceability method for multi-source pollution of karst underground river system

The invention discloses a karst underground river system multi-source pollution comprehensive quantitative traceability method, which comprises the following steps: S1, multi-dimensional sample collection and new pollutant screening: carrying out multi-period sampling on a water body, measuring conventional water quality indexes and nitrogen and oxygen isotopes, screening new pollutants, and carrying out targeted quantification on characteristic new pollutants; s2, principal component analysis dimension reduction and pollution factor identification: carrying out principal component analysis on conventional indexes and new pollutant data, extracting principal components of which the cumulative contribution rate exceeds 85%, identifying composite pollution factors, and eliminating secondary interference factors; s3, nitrogen and oxygen isotope auxiliary verification and denitrification elimination: eliminating denitrification interference by utilizing the ratio of delta 15N-NO3 <-> to delta 18O-NO3 <-> in combination with underground water burial depth and runoff velocity, and distinguishing the nitrate source as a chemical fertilizer, soil nitrogen or sewage and wastewater; and S4, PMF model optimization and pollution source quantification: inputting the conventional indexes and the new pollutant concentration matrix into a PMF model, and analyzing the contribution rate of each pollution source.
Owner:贵州省地质矿产勘查开发局114地质大队

Compact process water degassing of a fuel cell plant

The present invention relates to a fuel cell wastewater degassing tank 10, wherein the fuel cell wastewater degassing tank 10 has a housing 20, wherein the fuel cell wastewater degassing tank 10 has an anode water region 30 arranged in the housing 20 and a cathode water region 40, wherein the fuel cell wastewater degassing tank 10 has an anode water inlet 32 ​​arranged in the anode water region 30 and a cathode water inlet 42 arranged in the cathode water region 40, wherein the fuel cell wastewater degassing tank 10 has a water outlet 60 arranged in the cathode water region 40, wherein the fuel cell wastewater degassing tank 10 has an anode gas outlet 34 in the anode water region 30, wherein the fuel cell wastewater degassing tank 10 has a cathode gas outlet 44 in the cathode water region 40 wherein a water transfer is provided between the anode water region 30 and the cathode water region 40,wherein the water transfer has a water inlet 52 in the anode water region 30, wherein the water transfer has a transfer point 50, wherein the transfer point 50 is arranged at the transition from the anode water region 30 to the cathode water region 40, wherein the water inlet 52 is arranged below the transfer point 50.,
Owner:THYSSENKRUPP AG +1

Deep defluorination sludge backflow method and defluorination agent preparation method

The invention discloses a deep defluorination sludge backflow method and a defluorination agent preparation method, and particularly relates to the technical field of sewage treatment.The deep defluorination sludge backflow method comprises the following steps that fluorine-containing waste water is introduced into a mixing cavity through flow regulation for a continuous flow defluorination reaction, polyaluminum chloride, anhydrous calcium chloride and sodium chloride serve as the defluorination agents, the water inflow amount is added, and the defluorination reaction is completed; and reducing the pH value in the wastewater to a set threshold value. The sludge reflux rate is predicted through the effluent fluorine concentration and the sludge concentration, when the effluent fluorine concentration exceeds the set threshold value, the reflux rate is increased to ensure the fluorine ion removal efficiency, and when the sludge concentration exceeds the set threshold value, the reflux amount is reduced, and the situation that excessive sludge in the reaction tank affects the action of a medicament is avoided; the method has the advantages that the fluorine ions in the wastewater can be effectively removed and the wastewater can reach the emission standard by accurately calculating the chemical dosage, dynamically feeding back and adjusting and controlling the sludge backflow rate through real-time monitoring data and dynamically adjusting a regression model.
Owner:SUZHOU INDAL PARK HESHUN ENTERPRISE ENVIRONMENTAL PROTECTION SERVICE

Method for denitrifying wastewater by using low-temperature-resistant heterotrophic nitrification and aerobic denitrification bacteria

The invention discloses a method for denitrifying wastewater by using a low-temperature-resistant heterotrophic nitrification and aerobic denitrification bacterium, and relates to a method for denitrifying wastewater by using a biological bacterium, the bacterium is Pseudomonas putida, is named as Pseudomonas umsongensis BK17, belongs to Pseudomonas, and is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC M 20242924, and the preservation date is December 27, 2024. The strain is a heterotrophic nitrification-aerobic denitrification bacterium, can efficiently remove inorganic nitrogen pollution in a water body, still has good denitrification performance under low-temperature stress, and is high in low-temperature tolerance. The strain can efficiently treat nitrogen-containing wastewater under the condition of 10 DEG C, and the removal efficiency can reach 99% or above. The method has great potential in the application of inorganic nitrogen pollution treatment of domestic sewage and other water bodies in cold regions in China.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Internal circulation rotating impinging stream electro-catalysis device and method for treating organic wastewater

The invention discloses an internal circulation rotating impinging stream electro-catalysis device and method for treating organic wastewater, and belongs to the technical field of sewage treatment equipment. The upper part of an inner cavity of an electrochemical reactor of the device is an electrochemical reaction area, and the lower part is a rotational flow generation area; the electrochemical reaction area comprises an outer ring anode, an annular net-shaped cathode, an inner ring anode and a central fixing shaft which are sequentially and coaxially sleeved from outside to inside, and the rotational flow generation area comprises an inner spiral generator and an outer spiral generator which are arranged on a spiral central shaft in a sleeving manner. The impinging stream technology and the electro-catalysis technology are combined, internal circulation impinging stream efficient treatment on organic wastewater is achieved through the rotational flow generation area, the device has the advantages of being high in treatment efficiency, small in occupied space, low in operation energy consumption and the like, the problem that bubbles adhere to the surface of an electrode can be solved, strong turbulent flow is formed through impinging, reaction dead zones are reduced, and the service life of the device is prolonged. Mass transfer in the electrochemical degradation device is enhanced, and the purposes of automatic operation and efficient degradation are achieved.
Owner:ZHEJIANG UNIV

Intelligent waste sorting method based on multi-sensor fusion

The invention relates to the technical field of solid waste treatment, in particular to an intelligent waste sorting method based on multi-sensor fusion. Carrying out multi-level fusion decision making: carrying out sewage reflection suppression on the visible light image; carrying out matching identification and rejecting a liquid pollution area based on a near infrared spectrum; fusing the visible light texture, the spectral feature and the electromagnetic signal to generate a space grid feature vector; identifying the material category through a cascade classifier, and dynamically adjusting the weight of each sensor in the decision according to the environmental parameters; self-adaptive sorting execution: triggering a corresponding sorting execution mechanism according to an identification result; based on the transmission belt speed, the execution mechanism response delay and the material physical attribute, the action advance compensation amount is calculated; the action time of an execution mechanism is adaptively prolonged for the stacked materials according to the stacking hierarchy; and online feedback optimization. Through dynamic compensation and time sequence adjustment, the time sequence consistency of multi-sensor data is ensured, and the influence of band speed fluctuation is overcome.
Owner:JILIN UNIVERSITY

Sewage discharge control method based on artificial intelligence

The invention discloses a sewage discharge control method based on artificial intelligence, and belongs to the technical field of sewage treatment, and the method specifically comprises the steps: collecting the sewage flow of each subarea and the operation data of a corresponding treatment plant, constructing a time series prediction model, and outputting the sewage load deduction value of each subarea in the future; historical data of a treatment plant are called, a cost-load curve is constructed, and a cost gradient abrupt change inflection point is identified as a load critical value; the treatment plant with the load deduction value exceeding the critical value is determined as a positive treatment plant, and the treatment plant with the load deduction value lower than the critical value and the unit cost lower than the regional reference value is determined as a negative treatment plant; constructing an optimization model aiming at minimizing the scheduling loss, and generating a cross-region conveying path and a scheduling instruction set; scheduling the treatment plants corresponding to all the urban partitions according to the scheduling control instruction set; according to the method, the scheduling instruction is generated by constructing the scheduling loss minimization optimization model, dynamic cross-regional optimization scheduling of the urban sewage is realized, and the economical efficiency and the operation efficiency of a sewage treatment system are improved.
Owner:CHONGQING COLLEGE OF HUMANITIES SCI & TEHNOLOGY

System and method for treatment of solids and liquid biowaste

This invention presents a comprehensive system and method for treating and remineralizing both solid and liquid biowaste derived from animal husbandry operations including aquaculture and livestock. Key components include a settling tank with optional coagulant addition, two anaerobic digestion tanks, a gas collection tank, a sequential batch reactor featuring aeration supply for oxygen addition, a solids collection tank, and a filtration tank for removing and filtering supernatant. The innovation addresses the technical problem of efficient biowaste management by providing a holistic solution that optimizes digestion, waste revalorization through biogas production, and filtration processes to optimize two types of fertilizer production with the option to alternate between a solid fertilizer and a neutralized liquid effluent safe for environmental discharge or both a solid fertilizer and liquid fertilizer effluent. The principal use of this invention lies in its ability to convert biowaste into valuable resources while minimizing environmental impact.
Owner:STREMTECH AB

Wastewater heat exchange system

An apparatus for wastewater filtration having a barrel, a basket and a screw on a shaft rotating therein for pushing solid in a distinct output. A removable cartridge comprises a cover for the barrel, the cartridge comprising a pre-sealed shaft connector which releasably connects to at least the upper shaft portion or the lower shaft portion to form the shaft. The screw comprises a brush on an outer rim thereof, the brush having radially outwardly oriented bristles that scrape an inner surface of the basket. The screw comprises a winged wiper at a bottom thereof for sweeping a bottom surface of the barrel, and the solid-material output is provided at the bottom surface of the barrel and is shaped as a rectangular opening which is offset from a central axis of the screw. Solid removal efficiency and maintenance are thereby improved.
Owner:SHARC ENERGY SYSTEMS INC

Integrated partition denitrification method based on anaerobic ammonia oxidation reaction

The invention belongs to the technical field of wastewater denitrification treatment, and particularly relates to an anaerobic ammonia oxidation reaction-based integrated partitioned denitrification method which comprises the following steps: S1, removing high-concentration organic matters and suspended matters in wastewater through coagulating sedimentation or chemical oxidation pretreatment to avoid inhibition on subsequent Anammox; s2, partitioning the integrated reactor, and setting a short-cut nitrification region and an Anammox reaction region; s3, enabling the effluent part of the Anammox reaction zone to flow back to the short-cut nitrification zone, supplementing nitrite and balancing the carbon nitrogen ratio; the Anammox granular sludge flows back to the reaction zone through the settling zone, and the biomass concentration and the reaction efficiency are maintained; s4, a secondary sedimentation tank or a built-in sedimentation zone is arranged to achieve mud-water separation, residual sludge is discharged, and it is guaranteed that effluent reaches the standard, and it is guaranteed that the denitrification efficiency is stable by dynamically adjusting dissolved oxygen of the short-cut nitrification zone and the pH value of the Anammox reaction zone.
Owner:JILIN JIANZHU UNIVERSITY

Method for recovering tungsten from tungsten smelting soda boiling slag through reselection

The invention belongs to the technical field of tungsten smelting, and particularly discloses a method for recycling tungsten from tungsten smelting soda boiling slag through reselection, tungsten in the slag is recycled through a physical mineral separation method, a large number of acid-base reagents are not introduced, acid-base wastewater is not generated, and high-energy-consumption roasting or high-temperature acid-base leaching is not needed. The process is simple, large-scale treatment can be achieved, reagent consumption is low, energy consumption is low, closed-loop circulation of mineral separation water can be achieved, no wastewater is discharged, the process is environmentally friendly and free of pollution risks, meanwhile, indexes of the soda boiling residues subjected to innocent treatment can reach industrial solid waste, hazardous waste is converted into common solid waste, and the economic benefit is high. The environment-friendly treatment cost is low.
Owner:CHINA MOLYBDENUM +1

Textile dyeing sewage treatment equipment

The invention relates to the technical field of textile dyeing sewage treatment, in particular to textile dyeing sewage treatment equipment. Comprising a purification box and a pretreatment box, and the interior of the pretreatment box communicates with the interior of the purification box; a sewage collecting box is fixedly connected to the purifying box, an auxiliary box is fixedly connected to the purifying box, an incomplete gear is driven by a first motor to rotate in the anticlockwise direction, so that a first conveying roller and a second conveying roller rotate synchronously, synchronous movement of a filter screen conveying belt is achieved, the filter screen conveying belt moves uninterruptedly while filtering is conducted, and the filtering efficiency is improved. The filter screen conveying belt entering the cleaning box is deeply cleaned through the wadding scraping mechanism and the deep cleaning mechanism, the filtering effect of the filter screen conveying belt is effectively improved, the filtering effect of sewage is improved through secondary filtering, the device enables sewage to be filtered more thoroughly, meanwhile, self-cleaning of the filter screen conveying belt can be conducted, and the service life of the filter screen conveying belt is prolonged. Manual replacement and manual cleaning are not needed, and the workload of workers is effectively reduced.
Owner:江苏红金顶织造有限公司

Trash capturing member holder

To provide a trash capturing member holder that can easily and reliably attach a trash capturing member.SOLUTION: A trash capturing member holder X comprises a holder body member 10 having a flange part 11 that can be placed on a periphery of a drain 40 and a flow-down part 12 formed on an inner side of the flange part 11 and having an opening 12a through which drainage water flows down, and a fixing member 20 that can be magnetically coupled with an installation part 13 on a lower face side 10A of the holder body member 10 via a trash capturing member 30, which covers the flow-down part 12 and captures trash contained in the drainage water, in order to magnetically attach the trash capturing member 30 to the installation part 13.SELECTED DRAWING: Figure 1
Owner:SINKATEC CO LTD

Automatic dosing control method and device for removing hardness of industrial high-salinity wastewater

The invention discloses an automatic dosing control method and device for removing hardness of industrial high-salinity wastewater. Comprising the following steps: collecting raw water quality parameters before medicament feeding, effluent water quality parameters after medicament feeding and medicament feeding amount as historical operation data; performing data cleaning and data standardization processing on the historical operation data to obtain a standard data set; training and testing the supervised learning model by adopting a standard data set to obtain an effluent quality prediction model; on the basis of the effluent quality prediction model, taking the raw water quality parameter and the medicament dosage as input quantities to obtain an effluent quality parameter prediction value; and based on the raw water quality parameter, the current agent dosage and the effluent quality parameter predicted value, dynamically adjusting the agent dosage by adopting a reinforcement learning model. According to the invention, full-automatic control from water quality monitoring to medicament adding is realized, manual intervention is not needed, the dosage can be automatically adjusted according to real-time water quality data, and the treatment efficiency and precision are remarkably improved.
Owner:淮北矿业绿色化工新材料研究院有限公司 +1

Vibrating membrane bioreactor sewage treatment automatic monitoring system and method

The invention relates to the technical field of sewage treatment and automatic control thereof, in particular to an automatic monitoring system and method for sewage treatment of a vibrating membrane bioreactor. The method comprises the following steps: monitoring key indexes in real time, and carrying out standardization processing and interpolation on sensor data to ensure the accuracy of the data; an information code generation and verification mechanism is adopted to ensure data integrity and security; a physical model and a deep learning model are combined to predict sewage treatment efficiency, and space-time relevance is analyzed through a space-time convolutional network; operating parameters of the system are optimized through a deep reinforcement learning algorithm, and the frequency, the amplitude, the aeration power and the medicament dosage of a vibrating membrane are adjusted to achieve an optimal treatment effect; through real-time adjustment of the vibrating membrane and the aeration equipment, the sewage treatment efficiency is improved; the real-time treatment state is displayed, the sewage removal rate is monitored, and an alarm mechanism is triggered under the abnormal condition. According to the method, the data security and the system optimization are considered while the processing effect is ensured.
Owner:SHANXI LUAN MINING (GRP) CO LTD GUCHENG COAL MINE