2693 results about "Suspended solids" patented technology

The invention belongs to the technical field of wastewater treatment, and particularly relates to a phenolic resin industrial wastewater treatment process which comprises the following steps: S1, pretreatment: introducing collected industrial wastewater into a grating tank, and then adding a flocculant into coagulating sedimentation equipment to promote the coagulation of suspended solids so as to form particulate matters easy to precipitate for precipitation; s2, performing multi-stage biological enhancement treatment; s3, membrane separation deep treatment; and S4, recycling and discharging. Wherein the coagulating sedimentation equipment in the step S1 comprises a flocculation basin and a sedimentation basin body, a plurality of inclined plate bodies are arranged in the sedimentation basin body, the plurality of inclined plate bodies are movably mounted in the sedimentation basin body through a swing adjusting mechanism, a pollution discharge basin is arranged at the bottom of the sedimentation basin body, an overflow weir is arranged in the sedimentation basin body, and the overflow weir is arranged in the sedimentation basin body. The overflow weir is located above the inclined plate body, a drainage groove is formed in one side of the sedimentation tank body, and the drainage groove is communicated with the overflow weir; according to the invention, the precipitation treatment effect on colloids and flocculated suspended solids in wastewater can be improved.

The invention relates to the field of river pollution treatment, and discloses a water quality treatment method, system, equipment and medium based on a remote sensing inversion technology, and the method comprises the following steps: S1, collecting a hyperspectral remote sensing image of a to-be-monitored water body, the hyperspectral remote sensing image comprising chlorophyll concentration, suspended matter concentration and dissolved oxygen; s2, based on the hyperspectral remote sensing image, preprocessing the hyperspectral remote sensing image, including geometric correction, atmospheric correction, noise removal and waveband fusion, to obtain a preprocessed image meeting an inversion precision requirement; and S3, inputting the preprocessed image into a water quality inversion model, and obtaining pixel-level chlorophyll, suspended solids and dissolved oxygen concentration data based on physical radiation transmission. By combining the hyperspectral remote sensing image and the water quality inversion model, large-range, real-time and high-precision water quality monitoring and pollution zoning are realized, model parameters are dynamically updated, and the timeliness and precision of water quality treatment are improved.

The invention provides an intelligent aeration system and a control method, and the system comprises a multi-parameter monitoring module which collects parameters such as water depth, pressure, temperature, dissolved oxygen, inlet water ammonia nitrogen, chemical oxygen demand, and mixed liquid suspended solid concentration in real time; the data analysis and preprocessing module adopts a sliding window algorithm to carry out data cleaning and anomaly detection; the oxygen supply demand prediction module establishes an oxygen demand prediction model based on machine learning, and combines theoretical calculation and deep learning prediction; the multi-target intelligent control module adopts a reinforcement learning algorithm, establishes a Markov decision process model, and optimizes the processing effect and energy consumption at the same time; the execution control module is used for accurately adjusting the rotating speed of a fan, the opening degree of a valve and the running state of an aerator; and the system collaborative optimization module realizes linkage control of the aeration system and the carbon source adding system. The system has the functions of self-adaptive parameter adjustment, fault diagnosis and self-recovery, the DO control precision reaches 95% or above, the daily average electricity is saved by 9.7%, the NH4-N of effluent is reduced by 25%, and the annual comprehensive benefit exceeds 500,000 yuan.

The invention discloses a perchlorate wastewater treatment method which comprises the following steps: discharging perchlorate wastewater into an adjusting tank, and adjusting and buffering water quality in the adjusting tank; discharging the adjusted wastewater into a coagulating basin, and adding a coagulant to react with suspended solids in the wastewater; feeding the wastewater subjected to the coagulation reaction into a sedimentation tank, and completing solid-liquid separation in the sedimentation tank; discharging the precipitate, and enabling the treated wastewater to enter a microbial catalysis tank; perchlorate in the treated wastewater is subjected to biodegradation in a microbial catalysis tank; carrying out MBR (Membrane Biological Reactor) treatment on the wastewater subjected to biodegradation, intercepting microorganisms in the wastewater in a biological catalysis tank, and discharging the wastewater which does not contain the microorganisms and is subjected to biodegradation into an RO (Reverse Osmosis) membrane treatment device; the wastewater is subjected to reverse osmosis treatment at the RO membrane treatment device, reverse osmosis concentrated water is conveyed to the biological catalysis tank, and reverse osmosis fresh water is conveyed back to the water purification tank. The biological enzyme catalysis and membrane separation method is adopted, so that the perchlorate wastewater can be discharged after reaching the standard, and the treatment process is efficient, convenient and low in cost.

The invention discloses a precise sewage aeration method, and relates to the field of water, wastewater, sewage or sludge treatment, the method comprises a feed-forward model and a feedback model, the feed-forward model collects historical data of aeration tank operation parameters, environmental parameters and oxygen demand, and a decision tree is iteratively generated to correct errors and determine a target dissolved oxygen value; the feedback model corrects the target dissolved oxygen value according to the aeration tank dissolved oxygen concentration and the mixed liquid suspended solid concentration; and controlling the power of the aeration equipment according to the target dissolved oxygen value. Through common coordination of the feedforward model and the feedback model, accurate aeration of sewage treatment is realized.

The invention relates to the technical field of image processing, and discloses a sewage surface alumen ustum identification method and system. The sewage surface alumen ustum recognition method comprises the steps that regulation and control parameters and original water quality parameters in the alumen ustum forming process are obtained; extracting alumen ustum characteristics of the coagulative precipitation process video, and identifying the optimized key frame as a to-be-identified image based on a genetic algorithm; training a CNN neural network model by taking the regulation and control parameters, the original water quality parameters and the key frame image data as inputs and taking the alumen ustum quality as an output to obtain an alumen ustum quality identification model; the suspended solid content is obtained through a suspended solid sensor, and the alum peanut forming stage is determined; judging whether the alumen ustum quality recognition result is qualified or not based on the alumen ustum quality recognition model in the transition stage; and when the judgment result is no, adjusting the parameters according to the alumen ustum quality identification result. The accuracy of various parameters in the coagulating sedimentation process is judged and optimized according to the quality of alumen ustum, and the sewage treatment efficiency is improved.

A wastewater filter cartridge includes a peripheral frame, two filter media sheets, two sets of angled fins, and a filtered water outlet. The two filter media sheets are attached to the peripheral frame in spaced face-to-face relation such that they combine with the peripheral frame to define an interior volume within the filter cartridge. At the same time, the two sets of angled fins are attached to the peripheral frame external to the interior volume and project away from the filter media sheets at oblique angles. As wastewater passes through the two filter media sheets into the interior of the filter cartridge, the two filter media sheets act to reduce the suspended solids in the wastewater. Once in the interior volume of the filter cartridge, the filtered water is collected via the filtered water outlet, which is connected to the interior volume.

The invention discloses an intelligent wastewater treatment system based on Internet of Things, and relates to the technical field of wastewater treatment, and the system comprises the following modules: a flocculation control module for obtaining the content value of to-be-treated wastewater, setting the stirring speed and the stirring time, obtaining the stirring rate through the product of the stirring speed and the stirring time, and controlling the flocculation control module; according to the scheme, suspended matters in the added wastewater are detected through the flocculation control module, so that the stirring speed, the stirring time and the adding amount of a flocculating agent are set according to the condition of the acrylic emulsion wastewater, and a proper flocculating agent is selected for flocculation according to the pH value of the wastewater, so that the situation that the flocculation effect of the flocculating agent is influenced by the pH value of the wastewater is avoided; according to the invention, the flocculating agent is added into the wastewater, so that the flocculating agent can better agglomerate and gather suspended matters, the addition amount of the flocculating agent can be automatically and intelligently set according to the actual condition of the wastewater, waste caused by excessive addition of the flocculating agent can be avoided, and influence on the flocculation effect caused by too little addition of the flocculating agent can be avoided.

The invention relates to the technical field of electroplating equipment, in particular to electroplating wastewater treatment equipment which comprises a reaction cylinder, an air inlet pipe extending into an inner cavity of the reaction cylinder is fixedly connected to the side wall of the reaction cylinder in a penetrating manner, one end of the air inlet pipe is fixedly communicated with a vertical pipe, a rotating shaft is rotatably mounted in an inner cavity of the vertical pipe, and an aeration inner cylinder is fixedly arranged at the lower end of the vertical pipe; the steel wire mesh is arranged into an upper-layer structure and a lower-layer structure which are mutually rotated and staggered, and the driving gear and the inner gear ring are in transmission connection through a transmission gear; the device has the beneficial effects that a steel wire mesh is arranged at the upper end of a vertical pipe, the steel wire mesh is of an upper-lower double-layer structure and is mutually rotated and staggered, a driving gear is arranged at the upper end of a rotating shaft, a transmission gear is arranged between the driving gear and an inner gear ring for transmission, and floating bubbles can be effectively cut when the steel wire mesh rotates, so that the sizes of the bubbles are kept in a small state; the adhesion effect on fine suspended matters is improved, so that the treatment effect on the electroplating wastewater is improved.

The invention relates to the technical field of sewage treatment, and discloses an advanced treatment method and device for ship oily wastewater, and the method comprises the following steps: carrying out preliminary filtration on the ship oily wastewater to remove suspended solids and particulate matters so as to obtain first oily wastewater; the first oily wastewater is subjected to coalescence separation treatment, floating oil, dispersed oil and a small part of emulsified oil in the wastewater are removed, the oil content in the wastewater is reduced to 500 ppm or below, and second oily wastewater is obtained; the second oily wastewater is subjected to cross-flow ultrafiltration deep treatment, emulsified oil and dissolved oil are intercepted, produced water and concentrated water are obtained, and the concentrated water serves as third oily wastewater; the third oil-containing wastewater flows back to the first oil-containing wastewater, and discharged water is obtained after the produced water is detected to be qualified. The invention provides a primary filtration, coalescence separation and ultrafiltration three-stage circulating filtration method, emulsified oil and dissolved oil can be efficiently separated and removed, oil resource recovery is realized, and membrane pollution is reduced.

The invention relates to the technical field of water treatment, in particular to a movable treatment device for rural black and odorous water treatment, comprising: a movable vehicle body for supporting and moving overall components of equipment; the bottom of the treatment tank is fixedly connected with the top of the mobile vehicle body, the top of the treatment tank is fixedly connected with a water inlet end cover through a bolt, and the outer side of the treatment tank is fixedly connected with an access door through a bolt. Compared with the prior art, large-particle impurities can be prevented from entering the purification assembly, blockage of purification components such as an activated carbon cylinder is avoided, the smooth purification process is guaranteed, the burden of the purification assembly is relieved by removing the large-particle impurities in advance, and the purification assembly can treat small-particle pollutants and soluble substances more intensively. Therefore, the purification efficiency of the whole treatment device can be improved, and the treatment time and cost are reduced.

The invention discloses a rice-fish symbiosis multifunctional water quality monitoring and analyzing device and a use method. The device comprises the following core modules: a data acquisition module, which is responsible for acquiring water quality data from front-end monitoring equipment in real time; the data processing module is used for deeply processing the collected water quality data and image information; the data analysis module is used for introducing a prediction model based on machine learning and accurately predicting a future water quality change trend in combination with historical water quality data and real-time monitoring data; the intelligent decision support module is responsible for automatically identifying potential risks in water quality and generating targeted intelligent decision suggestions according to the potential risks; according to the method, image recognition and spectral analysis technologies are introduced, a high-definition camera, a precise underwater spectrometer and other equipment are utilized, and a deep learning algorithm and a spectral database are combined, so that precise recognition and classification of suspended solids, algae and other biocenosis in water are realized, and more comprehensive and multi-dimensional information is provided for water quality evaluation.

The invention relates to the technical field of concentration calculation, in particular to a water suspended matter concentration calculation method based on multi-wavelength detection, which comprises the following steps of: adopting a multi-spectral measurement method, utilizing light beams with different wavelengths to penetrate through a water body, and identifying particle size distribution and morphological characteristics of suspended matter particles; separating and correcting the turbidity contribution of the particles with different particle sizes through a least square fitting algorithm; decomposing the measured optical signal into a basic scattering component, a particle size dependent component and a background signal component by adopting a multi-level signal decoupling algorithm; and in combination with data after particle characteristic correction and optical signal decoupling, constructing a suspended matter concentration calculation model based on particle dynamics, calculating the water suspended matter concentration by using the dynamic model, and outputting suspended matter concentration data. According to the method, dynamic modeling is carried out on the concentration of the suspended matter, a dynamic equilibrium equation is solved through numerical values, and the concentration change of the suspended matter in time and depth is accurately described.

The invention particularly relates to printing and dyeing wastewater advanced treatment equipment and a method thereof. The equipment comprises a pretreatment unit, an electrolysis unit, a pH regulation unit, a post-treatment unit and a comprehensive monitoring unit, the pretreatment unit comprises a physical filtering device and an advanced oxidation pretreatment device and is used for removing suspended solids and macromolecular organic matters; the electrolysis unit is provided with a current control module and a salinity adjusting module and is used for degrading organic pollutants and disinfecting and sterilizing; the pH adjusting unit is provided with a pH sensor and a pH correction pump and is used for accurately controlling the pH value change in the treatment process; the post-treatment unit comprises an ultrafiltration membrane and activated carbon and is used for removing residual micromolecular organic matters and trace heavy metal ions; the comprehensive monitoring unit integrates a PLC controller, a data acquisition module and a communication interface, and is used for realizing automatic management and remote monitoring of the system.

An exemplary pump (10) is operative to reduce the size of solids suspended in liquid that enters the interior area of the pump. The pump includes a motor (28) that is operative to drive an impeller (56) that is located in a pump chamber (42). The motor is also operative to drive a slicer (80) that includes at least one slicer blade edge (96). The slicer blade edges move in immediately adjacent outwardly overlying relation of a slicer plate (66) which includes a plurality of slicer plate fluid openings (78). Solids suspended in liquid that extend in the slicer plate fluid openings are sliced between the slicer blade edges and the facing peripheral shearing edges of the slicer plate fluid openings so that the solids are reduced to a size that can pass through the pump.

The invention provides a regional ecological environment quality evaluation method and system based on remote sensing data, and relates to the technical field of environment remote sensing and ecological monitoring, and the method comprises the steps: extracting red light and near-infrared reflectivity at the peak of a growing season by using Landsat8 satellite data, and calculating a mixed vegetation index; synchronously measuring vegetation indexes of pure vegetation and bare soil on site to obtain a vegetation coverage rate, and obtaining water transparency, suspended solid concentration and chlorophyll a concentration through on-site measurement on the basis of green light, red light, blue light and near-infrared reflectivity in a heavy rainfall period and a dry season; the method comprises the following steps: constructing a linear regression model of reflectivity and water quality parameters through a least square method, calculating a water quality index, constructing an extreme weather influence factor based on ten-year extreme weather data, and finally fusing a vegetation coverage rate, water quality, the extreme weather influence factor, annual precipitation, annual average temperature, optimal regional vegetation temperature and historical rainfall extremum. And constructing an ecological quality index, and dividing ecological environment quality grades.

The invention discloses a corrugated carton production wastewater treatment device, and particularly relates to the technical field of corrugated carton production, the corrugated carton production wastewater treatment device comprises a shell, supporting legs are fixedly connected to four corners of the lower end of the shell, a feeding pipe is fixedly connected to the right part of the upper end of the shell, and a filtering and adding assembly is arranged on the inner surface of the shell; and an oil removing assembly is arranged on the inner surface of the shell and located below the filtering and adding assembly. According to the corrugated carton production wastewater treatment device disclosed by the invention, by arranging the filtering and adding assembly and the oil removal assembly, wastewater can be uniformly and quantitatively shunted, the wastewater can be uniformly and sufficiently filtered, a filter screen is prevented from being blocked in the filtering process, large suspended solids in the wastewater are filtered, and the wastewater is prevented from being blocked. A coagulant and a coagulant aid can be quantitatively mixed and added into the wastewater in a partitioned manner in a rotating manner, so that the wastewater can be in full contact with the coagulant and the coagulant aid, the coagulation effect is better played, the wastewater treatment effect and efficiency are improved, and physicochemical pretreatment on the wastewater is realized.

The invention specifically discloses a chromatographic grade acetonitrile production process, which comprises the following steps: pretreatment, primary adsorption, azeotropic distillation, secondary adsorption, suspended solid particle sedimentation by alum, and precipitation of a complex through EDTA under the condition of low water content to remove most insoluble and soluble impurities in acetonitrile. Oxidizing small molecular impurities and oxidizing organic impurities with the boiling point lower than or similar to that of acetonitrile, so that the impurities become high-boiling-point substances, and removing the high-boiling-point substances through rectification; the method comprises the following steps: carrying out primary adsorption on acetonitrile to remove an oxidant, carrying out azeotropic distillation to obtain rectified acetonitrile containing a very small amount of water and organic impurities, and carrying out adsorption treatment on the rectified acetonitrile again to obtain high-purity acetonitrile with the content of 99.99% or more, the ultraviolet absorbance at 190nm as low as 0.195, the ultraviolet absorbance at 200nm as low as 0.009 and the ultraviolet absorbance at 254nm as low as 0.002.

The invention discloses a treatment method of tantalum-niobium smelting wastewater, and relates to the technical field of tantalum-niobium smelting, and the treatment method specifically comprises the following steps: step 1, wastewater collection and primary treatment; step 2, physicochemical reaction and precipitation; step 3, biological treatment; and step 4, MBR membrane pool treatment. According to the treatment method of the tantalum-niobium smelting wastewater, uniform distribution of the coagulant or the precipitant in the precipitation tank can be ensured by intermittently adding the coagulant or the precipitant, and over-high or over-low local concentration caused by one-time large-amount adding is avoided, so that the coagulation effect is improved, impurities such as suspended solids, part of organic matters and sulfate in the wastewater are more effectively removed, and the treatment effect is improved. The input amount of the coagulant or the precipitator can be flexibly adjusted according to the water quality change and the treatment requirement in the sedimentation tank, so that the treatment process is more accurate and efficient; by accurately controlling the input amount of the coagulant or the precipitant, waste caused by excessive addition can be avoided, and the consumption of chemical agents is reduced.

The utility model discloses a freshwater pond culture tail water treatment system which comprises ecological ditches arranged among culture ponds, and a sedimentation tank, a filter dam I, an aeration tank, a filter dam II and an ecological purification tank which are sequentially connected with one side of each ecological ditch, tail water is primarily purified through the ecological ditch, suspended solids and other substances in the water body are precipitated through the sedimentation tank, the suspended solids in the water are further removed through the first filter dam and the second filter dam, aeration equipment in the aeration tank is used for increasing dissolved oxygen in the water body and accelerating decomposition of organic matter in the water body, and nitrogen and phosphorus nutritive salt in the water body is absorbed through the ecological purification tank. The freshwater pond culture tail water treatment system is simple in structure, reasonable in design, reasonable in layout, high in tail water treatment efficiency and good in treatment effect, the area of the freshwater pond culture tail water treatment system accounts for more than 10% of the total aquaculture area, new technologies and new processes such as physical and biological purification treatment are applied to the whole system, construction of a pond circulation treatment system is accelerated, and the cost is reduced. The aquaculture tail water resource utilization or up-to-standard discharge is promoted, and the healthy and green development of the aquaculture industry is promoted.

The invention discloses a dyeing fabric flooding washing method capable of reducing pollution from the source, which comprises the following steps: introducing micro-nano bubbles in the washing process after the fabric is dyed, regulating the diameter and proportion of the micro-nano bubbles, and by virtue of the dispersing force and huge specific surface area of the micro-nano bubbles and the impact force generated when the bubbles are broken, finishing the dyeing of the fabric. The washing agent can effectively disperse and remove flooding, suspended solids, greasy dirt and a surfactant on the surface of the fabric, realizes an efficient and energy-saving washing effect under the conditions of no addition of washing assistants and normal temperature, and improves the color fastness of the fabric. The method has the advantages of mild washing conditions, environmental protection, substantial reduction of the COD value of sewage after washing, shortening of the washing time, improvement of the equipment operation efficiency, and substantial energy-saving, time-saving, economic and environmental protection benefits.

The utility model provides an oil field oil extraction wastewater collecting device, which relates to the field of oil field oil extraction wastewater collecting equipment and comprises a collecting mechanism, the collecting mechanism comprises a collecting assembly and a separating assembly, the collecting assembly is used for collecting wastewater, and the separating assembly comprises a filter screen, an oil baffle plate and a barrier plate. The separation assembly is used for separating oil liquid in wastewater, an aeration assembly is arranged on the front side of the collection mechanism, the aeration assembly comprises a base, a Roots blower, an air guide pipe, an aeration nozzle and an air filter element, and the aeration assembly is used for generating aeration; by arranging the aeration assembly and the separation assembly, the effect of separating oil in waste water is achieved, the separation assembly is used for separating oil and water in the waste water, and the aeration assembly introduces bubbles into the waste water to enable grease and suspended solids to float, so that the oil can be separated; furthermore, the condition that the oil liquid pollutes the subsequent wastewater filtering module can be prevented.

The invention relates to the technical field of sewage treatment, and discloses an integrated sewage treatment method based on intelligent sensing. According to the method, sewage flow, PH value, temperature, turbidity and suspended matter concentration are collected in real time through an intelligent sensor, in each treatment link, the intelligent sensor can monitor the concentration of organic matter, nitrogen, phosphorus and other pollutants, the pollutant removal rate and the biological reaction rate are calculated, timely adjustment of a sewage treatment strategy is achieved, and the sewage treatment efficiency is improved. Through real-time monitoring of dissolved oxygen, temperature and mixed liquid reflux ratio in the bioreactor, reaction conditions are optimized, biodegradation efficiency and sludge yield are improved, and through monitoring of the dosage and reaction time in the reaction process, the dosage adding proportion is optimized, so that the removal effect of chemical reaction is improved; finally, the flow, the PH value, the chemical oxygen demand and the biological oxygen demand of the treated effluent are comprehensively monitored, so that the sewage treatment efficiency and reliability are remarkably improved.

The invention discloses printing and dyeing sewage treatment equipment with a filter screen cleaning function, which comprises a sedimentation tank for treating sewage, a partition plate is fixed in the sedimentation tank, the partition plate divides the sedimentation tank into a physical treatment cavity and a biological treatment cavity, and a through hole for sewage circulation is formed in the partition plate; a rotating shaft capable of rotating transversely penetrates through the partition plate, and a motor for driving the rotating shaft to rotate is mounted at the upper end of the sedimentation tank; the rotating shaft is divided into two parts by a partition plate, and a collector for filtering sewage and a mixer for mixing the sewage are respectively arranged on the two parts of the rotating shaft. According to the invention, suspended matters in sewage can be blocked by the filter strip, the rotating filter strip changes the matching position with the through hole, the suspended matters are easily separated from the filter strip, the outer side fan plate pushes the sewage to move towards the rotating shaft, the filter strip adheres to the suspended matters and moves into the annular hole, the suspended matters are remained in the receiving box, and the number of times of cleaning the suspended matters is reduced.

The invention discloses a pulping and papermaking industry sewage treatment process, relates to the technical field of sewage treatment, and adopts a dynamic adjustment algorithm and a PID control mechanism to monitor the concentration, flow and water temperature of suspended solids in real time, the dosage of chemicals can be automatically adjusted, the concentration is stabilized to be close to a target value, the waste of chemical chemicals is reduced, and the sewage treatment efficiency is improved. Meanwhile, the stability and effect of sewage treatment are improved, a reinforcement learning RL algorithm is introduced, the aeration intensity and time are adjusted in real time, the ammonia nitrogen concentration is controlled, the organic load is removed, the RL algorithm can continuously optimize the aeration strategy according to the change of the ammonia nitrogen concentration and the organic load, and therefore the removal efficiency is improved to the maximum extent; meanwhile, excessive aeration and unnecessary energy consumption are avoided, predictive control based on a random forest algorithm is adopted, the physical characteristics, including the moisture content, the solid content and the rheological property, of the sludge are analyzed in real time, and the concentration stirring strength and the concentration time are dynamically adjusted.

The microbial petroleum decontamination wastewater treatment device comprises an oil separation tank, pump bodies are installed at the front center and the rear center of the oil separation tank, an inclined plate is attached to the bottom of the oil separation tank, openings are formed in the positions, close to the top, of the front side and the rear side of the oil separation tank, and two penetrating openings are formed in the top of the oil separation tank; through mutual cooperation of the L-shaped fixing plate, the positioning plate, the movable plate, the rack, the reciprocating plate, the annular plate, the motor, the discharging box, the connecting plate, the guide plate, the L-shaped welding plate, the electric pole and other components, the oil separation tank can be used for oil separation, and the oil separation tank can be used for oil separation. When oil and suspended solids need to be removed, surface charges of oil drops can be reduced by scattering microorganisms, the oil drops are promoted to coalesce and float upwards, and the oil-water separation efficiency is improved.

The invention relates to the technical field of water treatment, and discloses a sewage mixing flocculation sedimentation tank with a dosing system and a sewage treatment process, the sewage treatment process comprises the following steps: (1) sewage enters a pretreatment unit, and large-particle suspended solids are removed; (2) enabling the sewage to flow into a pH regulating tank, adding a pH regulator through a dosing system, and regulating the pH value to 9-11; (3) passing through a coagulation reaction tank, adding ferrous sulfate to reduce hexavalent chromium into trivalent chromium, and promoting a flocculation reaction; and (4) further adding polyaluminum chloride through the flocculation reaction tank to form floc. Through a multi-unit combined treatment process, suspended solids and various heavy metals in the sewage are gradually removed, and the effluent quality is ensured to reach the standard. Compact and reasonable process layout is adopted, the occupied area is reduced, and the device is suitable for small and medium-sized sewage treatment plants. An automatic dosing control system is introduced, dosing is accurate, and the operation cost is reduced.

The invention relates to the technical field of sewage treatment, in particular to superconducting magnetic coagulation equipment for sewage treatment, which comprises a mixing tank, a magnetic powder mixing mechanism mounted in the mixing tank and a sedimentation tank mounted on one side of the mixing tank, and a conducting pipe is fixedly mounted in one side, close to the top end, of the mixing tank and the sedimentation tank in a penetrating manner; a driving motor is fixedly connected to the middle position of the top end of the sedimentation tank through a bracket, and when the driving motor drives a sludge scraping rod to rotate, through the cooperative arrangement of a sewage scum treatment assembly, a transmission assembly and a scum removal assembly, when entering sewage contains a large amount of substances such as grease, suspended solids or colloids, the sludge scraping rod is driven to rotate; according to the equipment, scum covering the top end of the sedimentation tank can be automatically scraped, collected and treated in a centralized manner, so that the conditions that the scum flows out of the sedimentation tank along with water flow and enters a subsequent treatment unit, suspended solids of effluent are increased, the water quality becomes poor and the sewage effect is influenced are avoided, and the sewage treatment effect is ensured.

The invention discloses a light quantum technology system for sewage treatment, relates to the technical field of sewage treatment, and is used for solving the problem that the sewage treatment efficiency of a light quantum technology is reduced due to the fact that suspended solids shield the illumination intensity and range of sewage. Calculating an ammonia nitrogen weight by using a polynomial regression algorithm, carrying out weighted calculation on the ammonia nitrogen weight and the ammonia nitrogen content in the sample to obtain an ammonia nitrogen coverage potential coefficient, and obtaining a phosphate coverage potential coefficient by using the same method. Calculating an equilibrium potential coefficient according to the ammonia nitrogen coverage potential coefficient and the phosphate coverage potential coefficient, formulating an equilibrium restriction rule to obtain a restriction difference value, randomly selecting two time points within a period of time through a recursive acquisition method to acquire mark parameter data, calculating an increase rate, and synthesizing the increase rate and the restriction difference value to obtain the content of a treated substance. Suspended matter treatment is perfected, and the sewage treatment efficiency of the light quantum technology is improved.

The present disclosure provides processes for removing hydrocarbons, oil coated solids, and suspended solids from a separated water stream produced from a produced water source. In particular, the methods comprise subjecting the separated water stream to a centrifugal separation followed by filtration.