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3057results about "Filter regeneration" patented technology

Atmospheric carbon dioxide capture system

A direct air capture (DAC) of CO2 system includes a reaction reactor having a solid, amine-functionalized sorbent configured to sequester CO2 from air; an in-situ dual-function device configured as a CO2 conversion reactor and an exchange fluid regeneration device; and the exchange fluid, recirculating between the reaction reactor and the dual-function device, configured to capture the sequestered CO2 from the solid sorbent in the reaction reactor and release the captured CO2 in the conversion reactor, the exchange fluid including one or more amino acids.
Owner:ROBERT BOSCH GMBH

Graphene amino silica gel composite adsorbent for heavy metal wastewater treatment and preparation method thereof

The invention relates to the technical field of environmental materials and water treatment, in particular to a graphene amino silica gel composite adsorbent for heavy metal wastewater treatment and a preparation method thereof.The graphene amino silica gel composite adsorbent is prepared from # imgabs0 nanoparticles, an amino-functionalized silicon dioxide coating layer, carboxylated reduced graphene oxide, a polydopamine modification layer and tetraethyl orthosilicate; the coating is prepared from the following raw materials: 3-aminopropyltriethoxysilane, 3-mercaptopropyltrimethoxysilane, N-((4-vinyl benzyl) amino) diacetic acid, chitosan, beta-cyclodextrin, hexadecyl trimethyl ammonium bromide, polyethylene glycol, L-ascorbic acid, 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide hydrochloride and N-hydroxysuccinimide. The composite adsorbent shows excellent adsorption performance on various heavy metal ions, and the adsorption performance is far higher than that of traditional adsorption materials and existing composite adsorbents.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Zeolite adsorption and desorption integrated treatment system

The invention discloses a zeolite adsorption and desorption integrated treatment system, and particularly relates to the field of zeolite separation treatment, and the zeolite adsorption and desorption integrated treatment system comprises a process sensing module, a dynamic partition control module, a global optimization control module and a cooling regeneration module. According to the zeolite adsorption and desorption integrated treatment system, the problem of blind operation in the traditional technology is solved through the process sensing module, a data basis is provided for dynamic partition, the intelligent monitoring level is improved, and the performance of an adsorbent is fully exerted; the problem of non-uniform heat and mass transfer of a bed layer is effectively solved through the dynamic partition control module, the desorption heat utilization efficiency is improved, and meanwhile, the service life of an adsorbent is prolonged; a dynamic optimization function is constructed through the global optimization control module, energy consumption, solvent recovery income and stability are comprehensively considered, self-adaptive adjustment of operation parameters is achieved, the energy consumption is reduced while the processing efficiency is guaranteed, and the environmental benefits are remarkably improved.
Owner:QINGDAO ZHONGZHOU LANKAI ENVIRONMENTAL PROTECTION TECH CO LTD

Carbon dioxide trapping device capable of cyclically operating

The utility model provides a cyclically-operated carbon dioxide trapping device. A shell of the cyclically-operated carbon dioxide trapping device is connected with an air inlet pipeline, an air outlet pipeline and an exhaust pipeline; the shell is internally provided with a reaction box body, the reaction box body is provided with two reaction cabins, and each reaction cabin is internally provided with a fan, a heater and a carbon dioxide adsorption structure; the air inlet pipeline is connected to the air inlets of the two reaction cabins and is close to the draught fan, the draught fan is used for sucking indoor air into the corresponding reaction box bodies and enabling the indoor air to flow through the heater and the carbon dioxide adsorption structure, and the carbon dioxide adsorption structure is used for adsorbing carbon dioxide in the flowing air; the heater is used for heating flowing air and desorbing carbon dioxide adsorbed in the carbon dioxide adsorption structure; and the two reaction cabins alternately perform adsorption and desorption of carbon dioxide. The device is convenient to operate and can continuously and efficiently control the concentration of indoor carbon dioxide.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Biochar nano lanthanum material capable of synchronously removing organic phosphorus and inorganic phosphorus as well as synthesis method and application of biochar nano lanthanum material

The invention discloses a charcoal nano lanthanum material capable of synchronously removing organic phosphorus and inorganic phosphorus, and belongs to the field of environmental functional materials. The adsorbent comprises biochar and nano lanthanum loaded on the biochar, wherein the biochar is bamboo biochar; the nano lanthanum is in a La (OH) 3 form, the particle size of the nano lanthanum is 1-250nm, and the loading capacity of the nano lanthanum is 3-20wt%; the pore diameter of the biochar nano lanthanum material is 1-30nm, and the specific surface area is 100-250m < 2 > / g. Compared with a biochar-loaded nano lanthanum composite material in the prior art, the composite material has the inorganic phosphorus adsorption performance and also has the organic phosphorus adsorption effect, and inorganic phosphorus and organic phosphorus can be synchronously removed. According to the charcoal nano lanthanum material, organic phosphorus is adsorbed and removed by regulating and controlling the defect form of lanthanum, especially organic phosphonate can be hydrolyzed and removed, meanwhile, large pore channels of bamboo charcoal are beneficial to diffusion of macromolecular organic phosphorus to action sites of lanthanum, and the adsorption and hydrolysis effects of lanthanum on the organic phosphorus are further enhanced.
Owner:NANJING UNIV

A blast furnace gas desulfurization activated carbon regeneration process and device

The present invention belongs to the technical field of desulfurization activated carbon regeneration, and relates to a blast furnace gas desulfurization activated carbon regeneration process and device, the regeneration device includes a washing and extraction tank, a regeneration reactor, a gas detection and analysis system, an automatic control system, a temperature monitoring system, and a deoxygenation reactor; the regeneration process includes S1, washing and extraction, S2, heating regeneration: according to the sulfur content of the outlet gas of the regeneration reactor, the heating temperature is adjusted by gradient, and the temperature range of the regeneration reactor is controlled: 150-300°C, and the temperature gradient is 30-50°C; S3, gas circulation, air oxidation, so that elemental sulfur is precipitated from polysulfide. The regeneration process of the present invention has a small carbon loss rate, increases the number of regenerations, and further reduces costs; the temperature of the thermal regeneration process is 150-300°C, the regeneration temperature is low, and the regeneration temperature can be adjusted according to the outlet gas concentration gradient, reducing energy consumption, and at the same time ammonia resources can be recycled, reducing the amount of solution used and the amount of waste liquid discharged, and the regeneration process can obtain elemental sulfur with economic value.
Owner:CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD +1

Inert gas generating system

The invention provides an inert gas generation system, and relates to the technical field of industrial gas production. The inert gas generation system comprises the following modules: a gas pretreatment module, an intelligent separation module, a dynamic purification module, a pressure regulation and control module, a quality analysis module, a safety control module and an energy efficiency optimization module, and the gas pretreatment module is used for removing particulate matters through an electrostatic dust collection device by adopting a multi-stage gradient filtering algorithm based on ambient air input, adjusting humidity by combining a dew point control technology, forming a standardized gas source and generating a standard gas source. Through combination of a multi-stage gradient filtering algorithm and a dew point control technology, collaborative treatment of particulate matters and humidity is realized, stable gas source input is formed, the reliability of a subsequent processing link is improved, membrane separation parameters are dynamically predicted by applying a convolutional neural network model, and the permeation efficiency of a hollow fiber membrane stack is optimized.
Owner:HP TRONIC (SUZHOU) CO LTD

Synthetic method and application of ionic liquid and ZIF-8 composite material

The invention relates to a synthetic method of an ionic liquid and ZIF-8 composite material, which comprises the following steps: S11, adding 2-methylimidazole and octadecyl guanidine chloride into a polyethylene glycol 400 aqueous solution to obtain a solution I; s12, Zn (NO3) 2.6 H2O is added into a polyethylene glycol 400 aqueous solution, and a solution II is obtained; s13, mixing and stirring the solution I and the solution II for reaction, and centrifugally collecting obtained ZIF-8 nanoparticles; s2, adding the ZIF-8 nanoparticles into a sodium phosphotungstate solution, stirring to disperse the ZIF-8 nanoparticles into a suspension, then adding a dodecyl guanidine chloride aqueous solution into the suspension, and carrying out an ion exchange reaction; and centrifuging after the ion exchange reaction is finished. The invention further relates to application of the synthetic method of the ionic liquid and ZIF-8 composite material, and the ionic liquid and ZIF-8 composite material is used for adsorbing 2, 4-D in water. The preparation method is simple, the ionic liquid and the ZIF-8 composite material have good adsorption performance on 2, 4-D in water, and the 2, 4-D is convenient to desorb and is convenient to recycle.
Owner:BEIJING TECH & BUSINESS UNIV

Rapid regeneration adsorption tower

The invention relates to the technical field of gas drying, and discloses a rapid regeneration adsorption tower which comprises a drying tower and adsorbents, a gas inlet is formed in the top of the drying tower, a gas outlet is formed in the bottom of the drying tower, a plurality of groups of adsorbents are arranged in the drying tower, and supporting filter plates are arranged at the top ends and the bottom ends of the adsorbents. A fixed shaft internally provided with an air pipe is coaxially and rotatably connected in the drying tower, the fixed shaft penetrates through the supporting filter plate and is rotatably connected with the supporting filter plate, a flow guide disc is arranged between every two groups of adsorbents, the flow guide discs are coaxially and fixedly connected with the fixed shaft, and main distribution channels are formed in the flow guide discs in a circumferential array manner; flow guide channels are further formed in the flow guide disc in a circumferential array mode, and the gas flow speed of the flow guide channels is larger than that of the main distribution channels; a negative pressure area is formed at the outlet of the flow guide channel, low-speed airflow of the main distribution channel is sucked, violent turbulence mixing is triggered, the penetrating uniformity of gas in an adsorbent layer is greatly improved, and the regeneration efficiency of the adsorption tower is improved.
Owner:ERIDAE ELECTRO-MECHANICAL INC

Waste gas treatment device and method for cable production

The invention relates to the technical field of waste gas treatment devices, and discloses a cable production waste gas treatment device and method.The cable production waste gas treatment device comprises a water tank, a gas inlet pipe communicated with the interior of the water tank is fixedly installed on the outer surface, close to the bottom, of the water tank, and a gas outlet pipe communicated with the interior of the water tank is fixedly installed at the top end of the water tank; a supporting cover communicating with the interior of the air outlet pipe is fixedly installed at the top end of the air outlet pipe, the top of the supporting cover is of an opening structure, a rotating disc is rotatably installed in the supporting cover, three storage holes are formed in the upper surface of the rotating disc in the circumferential direction at equal intervals in a penetrating mode, and the storage holes are filled with activated carbon particles. When activated carbon particles for purifying waste gas reach a saturated state, the rotating disc is driven by the stepping motor to rotate, so that the rotating disc can drive the activated carbon particles in the saturated state to rotate to the position above the electric heating block, and the desorbed activated carbon particles are replaced to the gas outlet pipe so as to continuously purify the waste gas.
Owner:LIANGCHENG CABLE (HEBEI) CO LTD

Rinsing bath of melt filter

The utility model discloses a rinsing bath for a melt filter. The rinsing bath comprises a control cabinet, a transfer device, a rinsing device and a bearing bracket mechanism, the transfer device comprises a lifting driving mechanism, a swing driving mechanism, a telescopic overhanging mechanism and a support locking mechanism. According to the melt filter rinsing bath, the lifting driving mechanism, the swing driving mechanism, the telescopic overhanging mechanism and the support locking mechanism are matched, so that locking and hoisting of the bearing support mechanism can be achieved, and therefore a filter borne on the bearing support mechanism is fed into a rinsing device to be subjected to rinsing treatment; and after water washing treatment is completed, the bearing support mechanism and all the filters are lifted and taken out together, manual participation is greatly reduced, and the batch cleaning efficiency of the filters is effectively improved.
Owner:JIANGSU CHAOQUN MACHINERY TECH DEV CO LTD

Digital energy air compression station with noise reduction effect based on air bearing

The invention relates to the technical field of air compression stations, in particular to an air bearing-based digital energy air compression station with a noise reduction effect, which comprises a machine room, and a screw air compressor, a cooler, an oil-water separator, a first air storage tank, a dryer, a filter and a second air storage tank which are sequentially connected are arranged in the machine room. The first air storage tank is further connected with a first air supply pipe, and the second air storage tank is further connected with a second air supply pipe. An air bearing is selected for the screw type air compressor, a third air supply pipe is arranged between the filter and the second air storage tank, the third air supply pipe is connected with the air bearing, and part of compressed air is continuously input into an air path of the air bearing through the third air supply pipe. According to the screw type air compressor, mechanical friction can be avoided through the air bearing, so that noise is further reduced, the noise reduction effect of the digital energy air compressor is improved, and compressed air can be conveniently obtained by the air bearing in an air compression station.
Owner:GUANGDONG XINZHUAN ENERGY SAVING TECH CO LTD

Equipment and method for removing plasticizer in ginsenoside extract

InactiveCN120054084AGlycoside steroidsGlycosidesMedicinePlasticizer
The invention relates to the field of ginsenoside extraction, in particular to a device and method for removing a plasticizer in a ginsenoside extract, and the device comprises a roll-over stand, a removal cabin and the like. According to the equipment and the method for removing the plasticizer in the ginsenoside extract, the filtering assembly and the adsorption resin blocks are distributed in the removal cabin in the vertical direction, so that fine filtering treatment and adsorption removal treatment of a ginsenoside extract solution are completed in sequence; and in addition, the filter assembly and the plurality of adsorption resin blocks can be subjected to backwashing treatment in a mutually separated state, so that the overall treatment process steps of the backwashing treatment work are reduced on the basis of ensuring that efficient backwashing treatment is synchronously performed on the filter assembly and all the adsorption resin blocks. The defects that multiple treatment devices need to be used in multiple filtering treatment and ion adsorption treatment processes of the ginsenoside extract solution, the plasticizer removal treatment efficiency is affected, and the plasticizer removal treatment period is delayed are overcome.
Owner:GUANGDONG QINGYUNSHAN PHARM CO LTD

Preparation method and application of phytic acid modified zero-valent iron

The invention discloses a preparation method and application of phytic acid modified zero-valent iron. The method comprises the following steps: (1) mixing phytate and liquid phytic acid according to a molar ratio of (5: 5)-(8: 2), and preparing a buffer solution with the concentration of 0.05-0.5 mol / L; (2) adding micron or nano zero-valent iron into a buffer solution according to a solid-to-liquid ratio of 1: 10 to 1: 50 (g / mL), and transferring to a polytetrafluoroethylene reaction kettle; (3) under the protection of nitrogen, reacting for 6-48 hours under the conditions that the temperature is 20-80 DEG C and the oscillation rate is 100-1000 rpm, and controlling the pH value to be 3.5-5.5; and (4) after the reaction, carrying out suction filtration, ethanol-water alternate washing and vacuum drying to prepare the modified zero-valent iron with the surface coated with the phytic acid iron complex. A stable chelation layer is formed on the surface of phytic acid molecules and zero-valent iron, the oxidation resistance, dispersity and heavy metal adsorption capacity of the material are remarkably improved, and the material is suitable for efficient repair of industrial wastewater.
Owner:HUNAN JIECAI SHUCHENG EDUCATION MANAGEMENT CO LTD

System and method for improving capacity of activated carbon for adsorbing organic waste gas VOCs (Volatile Organic Compounds)

The invention provides a system and method for improving the ability of activated carbon to adsorb medium and low temperature VOCs waste gas, and the system comprises: a heat exchanger for introducing steam heat of the medium and low temperature VOCs waste gas to perform waste heat recovery to generate high temperature circulating water; the refrigerating system is used for receiving the high-temperature circulating water through a pipeline and recovering heat of the high-temperature circulating water to enable the refrigerating system to generate a refrigerant, and the refrigerant enters the heat exchanger to exchange heat with the medium-low-temperature VOCs waste gas; the activated carbon fixed bed adsorption device is used for receiving the medium and low temperature VOCs waste gas after heat exchange and adsorbing organic gas in the waste gas; the steam thermal desorption device is used for introducing steam into the activated carbon fixed bed adsorption device for desorption after the activated carbon fixed bed adsorption device is saturated in adsorption, and the steam takes away the organic gas adsorbed by the activated carbon fixed bed adsorption device and enters a downstream phase change heat exchanger; and the phase change heat exchanger is used for recycling steam heat after analysis by using circulating water to generate high-temperature circulating water, and after heat is recycled, waste gas is condensed, so that organic gas is dissolved in water to form an organic solvent to be recycled.
Owner:NANTONG CELLULOSE FIBERS CO LTD

Preparation method and application of self-crosslinking hydrogel containing capsaicin functional structure

The invention discloses a preparation method and application of self-crosslinking hydrogel containing a capsaicin functional structure, and belongs to the technical field of dye adsorption materials. The capsaicin functional structure monomer is introduced into an acrylic acid system, so that the self-crosslinking of the hydrogel is realized, and meanwhile, the adsorption performance of the hydrogel is remarkably improved; mono-substituted capsaicin functional structure monomers containing carboxyl and sulfonic acid groups are used as components, a disubstituted capsaicin functional structure monomer with polyhydroxy and carboxyl is used as a cross-linking agent, the self-crosslinking hydrogel with multiple adsorption sites is successfully constructed through free radical polymerization, and the adsorption capacity and efficiency of the hydrogel are greatly improved. The hydrogel-based carbon material is obtained by carbonizing the self-crosslinking hydrogel containing the capsaicin functional structure, the adsorption performance of the hydrogel material is further improved, the obtained hydrogel-based carbon material can be desorbed and recycled in ethyl alcohol, and the service life of the hydrogel-based carbon material is prolonged. And the problem of secondary pollution of the existing hydrogel material in the acid / alkali desorption process is effectively avoided.
Owner:SANYA INST OF OCEANOGRAPHY OCEAN UNIV OF CHINA

Carbon dioxide trapping method and trapping device

The invention discloses a carbon dioxide trapping method which comprises the steps of feeding, adsorption, material replacement, primary desorption and secondary desorption, in the material replacement step, after the replacement process of a single adsorption and desorption unit lasts for M, a valve of the adsorption and desorption unit is closed, and the replacement process is repeated after the replacement process is stopped for (N-1) M, n is the total number of the adsorption and desorption units arranged in parallel, in the process that a single adsorption and desorption unit stops running, the pipe chain conveyor continuously runs, the other adsorption and desorption units alternately carry out solid amine material replacement, and the replacement time and the stop time are equal; according to the two-stage desorption, carbon dioxide in a solid amine material is fully desorbed through high-temperature desorption and negative-pressure desorption, a plurality of adsorption and desorption units alternately perform replacement so that the equipment can continuously run, the efficiency of the carbon dioxide trapping process is improved by combining the two-stage desorption operation, and the cost loss caused by the vacuum period of the equipment in the trapping process is reduced. The invention further discloses a carbon dioxide trapping device.
Owner:BEIJING DERUNCHEN ENVIRONMENTAL PROTECTION TECH CO LTD

Solid absorber and sour gas absorption and desorption method using the same

To provide a solid absorber having low hygroscopic property and capable of efficiently absorbing a sour gas, especially reversibly absorbing carbon dioxide.SOLUTION: A solid absorber reversibly absorbs a sour gas and includes a porous base material and a sour gas absorption chemical agent carried with the porous base material. The sour gas absorption chemical agent includes at least one amine expressed as any one of general formula (1), (2) and (3). (In formula (1), (2) and (3), R1 is expressed as group:-(CH2)l-NH-[(CH2)2NH]m-(CH2)n-CH3 and in R1, l is expressed as 1 or 2 and m and n are independently expressed as an integer of 0-2.)SELECTED DRAWING: Figure 1
Owner:KAWASAKI JUKOGYO KK

Separation and purification method of urokinase

The invention provides a separation and purification method of urokinase, and relates to the technical field of separation and extraction. The separation and purification method comprises the following steps: S1, regulating the pH value of male urine to 8.5, standing, and taking supernate; s2, mixing the supernate with an adsorption material, and eluting with an eluent to obtain a urokinase crude product solution; the adsorption material is a core-shell silica gel polymer, Fe3O4atSiO2-NH2 is taken as a core, and polystyrene is taken as a shell; the eluent is a sodium citrate buffer solution with the concentration of 0.5 to 0.15 M, acetonitrile with the concentration of 1 to 5 weight percent and EDTA (Ethylene Diamine Tetraacetic Acid) with the concentration of 0.5 to 1.5 mM; and S3, carrying out anion exchange column chromatography on the urokinase crude product solution, eluting with an eluent, and precipitating to obtain the urokinase. The urokinase prepared by the method has the advantages of high polymer urokinase content, high recovery rate and high activity yield.
Owner:HUBEI RENFU EUREKA BIOTECHNOLOGY CO LTD

Method and system for regenerating active carbon

To regenerate used powder active carbon by microwave heating, and recover / improve and adsorptivity.SOLUTION: A method for regenerating active carbon includes the steps of: mounting active carbon having an average particle diameter of 1 to 100 μm on a flat plate; and regenerating the active carbon on the flat plate by microwave heating. The flat plate may be moved forward / backward by a belt conveyor or a roller conveyor during the microwave heating. The temperature of the active carbon during the microwave heating may be measured, and microwave irradiation energy may be controlled on the basis of the measurement result.SELECTED DRAWING: Figure 1
Owner:KURITA WATER INDUSTRIES LTD

Low-voltage power distribution cabinet with moisture-proof and dust-removing structure

The invention relates to the technical field of low-voltage power distribution cabinets, and particularly discloses a low-voltage power distribution cabinet with a moisture-proof and dust-removing structure, the front surface of a cabinet body is rotatably connected with a cabinet door, the bottom of the cabinet body is fixedly connected with a moisture-removing part, a heat-dissipating part is fixedly connected with the side surface of the cabinet body, and the heat-dissipating part comprises a heat-dissipating shell and a fixing frame. The bottom of the heat dissipation shell is fixedly connected with the top of the cabinet body, a heat dissipation groove is formed in the middle of the heat dissipation shell, and a top plate is fixedly connected to the top of the inner side of the heat dissipation groove. The low-voltage power distribution cabinet with the moisture-proof and dust-removing structure is provided with the sweeping mechanism, combines heat dissipation and sweeping functions, realizes sweeping and dust grabbing functions while driving the fan blades to rotate by using the output end of the motor, is ingenious in structural design, does not need to additionally arrange a complex sweeping mechanism and a power source, improves the space utilization rate and the overall performance of equipment, and is convenient to use. And the cost and the maintenance difficulty are reduced.
Owner:JIANGSU HUAFENG ELECTRIC CONTROL EQUIP CO LTD

Circulating filtering device of ultrasonic cleaning machine for cleaning coal mine filter element

The invention relates to the technical field of circulating filtration, in particular to a circulating filtration device of an ultrasonic cleaning machine for cleaning a coal mine filter element, which comprises a cleaning machine main body, a cleaning tank is formed in the cleaning machine main body, an ultrasonic transducer is fixedly mounted on the inner wall of the cleaning tank, a filter plate is slidably mounted in the cleaning tank, and the filter plate is fixedly mounted on the inner wall of the cleaning tank. A rotatable cleaning cylinder is arranged above the filter plate, the cleaning cylinder is connected with the cleaning machine main body through a moving mechanism, a through hole is formed in the outer surface of the cleaning cylinder, a supporting plate is installed in the cleaning cylinder through a sliding structure, a poking needle is fixedly installed on one side of the supporting plate, and the poking needle penetrates through the through hole in a sliding mode. And the poking needle is in contact fit with the surface of the filter plate. According to the circulating filtering device of the ultrasonic cleaning machine for cleaning the coal mine filter element, the cleaning cylinder and the poking needle are arranged, the cleaning cylinder can rotate when moving so as to drive the poking needle to rotate, and the poking needle can separate gelatinous substances from the filter plate.
Owner:CHINA SHENHUA ENERGY CO LTD SHENDONG COAL BRANCH

Low-concentration carbon dioxide trapping system and method

The invention discloses a low-concentration carbon dioxide trapping system and method, and belongs to the technical field of gas separation and trapping. The system comprises an air filter, a zeolite adsorption rotating wheel, a desorption heater, a desorption fan, a centrifugal fan, a pressure swing adsorption module (at least comprising double towers), a vacuum pump, a CO2 storage tank, a rear-end purification and utilization system and a control system. According to the method, trapping is realized through pretreatment, first-stage adsorption concentration, desorption transfer, second-stage purification, collection and storage and circulating operation. The zeolite adsorption rotating wheel is used for adsorbing and concentrating low-concentration CO2, and then the low-concentration CO2 is purified through the pressure swing adsorption module, so that the problems of low low-concentration trapping efficiency and high energy consumption in the prior art are solved. The device has the advantages of high trapping efficiency, low energy consumption, continuous operation, wide application scene and the like, is suitable for trapping low-concentration CO2 in atmosphere and industrial tail gas, and provides an efficient technical scheme for carbon emission reduction.
Owner:SHANDONG SHANLAN ENVIRONMENTAL GROUP CO LTD

Preheating treatment carbon dioxide adsorption system and operation method thereof

The invention discloses a preheating treatment carbon dioxide adsorption system and an operation method thereof, and belongs to the technical field of energy storage and chemical process equipment. The problems of high heat consumption, low heat conductivity and slow heating of the adsorbent in the prior art are solved. The technical key points are as follows: the temperature of the system is slowly increased at the initial stage of heating, part of carbon dioxide is desorbed, the carbon dioxide is heated by high-temperature heat exchange equipment and then flows back to the tower body of the adsorption tower, and the heating process can be completed in idle time except energy storage-energy release due to the fact that the compressed gas energy storage system implements discontinuous energy storage-energy release. Good adsorption and desorption effects can be realized in a relatively low temperature range, so that the energy demand in the heating and cooling process is reduced, the overall energy consumption of the system is reduced, the heat exchange pressure of the heating system is relieved, and the demand on the heat exchange power of heating equipment is relieved; the gas pressure in the adsorption tower body is slightly increased, so that continuous and stable release and supply of carbon dioxide of an adsorption system are guaranteed, and the method has a good industrial application prospect.
Owner:HARBIN ELECTRIC SCI & TECH CO LTD

Method and packaged system for filtering water

A system for reconditioning contaminated water includes a plurality of filter tanks, each filter tank configured to hold a media mixture comprising media particles to which contaminants adhere when the contaminated water is pumped through the filter tanks and a feed water pump to pump the contaminated water through the plurality of filter tanks. The plurality of filter tanks are configured to form a multistage filter system for filtering the contaminated water at different contaminant particle sizes, and the feed water pump pumps the contaminated water through the multistage filter system in a continuous manner during a normal filtering mode.
Owner:REAQUA SOLUTIONS LLC

Activated carbon anoxic pyrolysis and steam regeneration process method and device

The invention discloses an activated carbon anoxic pyrolysis and steam regeneration process method and device, and relates to the field of activated carbon regeneration. The process method comprises the following steps: S1, dehydration preparation: reducing the moisture content of a carbon layer to 45% through hydraulic conveying and negative pressure dehydration; s2, drying pyrolysis and air stripping, wherein a carbon layer is heated to 300-400 DEG C through circulating heating of superheated steam and tail gas; s3, steam activation: introducing 900 DEG C tail gas to raise the temperature of the carbon layer to 800-850 DEG C for activation reaction; and S4, cooling, namely sequentially cooling to 100 DEG C or below through steam and cold water to complete regeneration of the activated carbon. The energy efficiency utilization rate is excellent, the pore structure is fully recovered, the specific surface area, the polar group content and the adsorption performance of the regenerated activated carbon can be remarkably improved, and the service life of the activated carbon is prolonged.
Owner:TIANJIN TISUN ITASCA TECH +1

Gas purification real-time monitoring method, system and device and medium

The invention discloses a gas purification real-time monitoring method, system and device and a medium, and belongs to the technical field of gas purification. The method comprises the following steps: a data acquisition stage: acquiring inlet gas flow and outlet component data; in the adsorbent state monitoring stage, the adsorbent state is monitored in real time through the monitoring point position in the adsorption barrel; in the adsorption capacity calculation stage, the residual adsorption capacity is predicted through an impurity penetration curve model on the basis of inlet flow and outlet component data, and bidirectional verification and correction are carried out on the residual adsorption capacity and an internal monitoring state; in the regeneration time prediction stage, the optimal regeneration time is dynamically predicted according to discharged gas component analysis and residual adsorption capacity; in the real-time regulation and control stage, parameters of the purifier and the regenerative heater are adjusted in real time according to the prediction result. Accurate evaluation of the state of the adsorption cylinder and intelligent optimization of the regeneration process are achieved, the utilization rate of the adsorption cylinder is remarkably increased, and the total energy consumption of regeneration is reduced.
Owner:SHANGHAI ZHIJIA SEMICON GAS CO LTD

Supramolecular filamentous assemblies for protein purification

The present invention provide novel immunofiber compositions for protein or peptide purification and simple and cost-efficient methods and systems using these compositions. In some embodiments, the immunofibers comprise a customized Z-33 peptide derived from Staphylococcus aureus Protein A which is used to construct immuno-amphiphile molecules that assemble into immunofibers in aqueous solution with bioactive epitopes on the surface and have peptide or protein binding ability.
Owner:JOHNS HOPKINS UNIVERSITY +1

Heat adsorption type drying machine with three-tower structure and adsorption regeneration process of heat adsorption type drying machine

The invention discloses a heat adsorption type drying machine with a three-tower structure and an adsorption regeneration technology of the heat adsorption type drying machine, and belongs to the technical field of adsorption type drying machines. The dryer comprises three adsorption towers, a regeneration system and a PLC control system, adsorbents are arranged in the adsorption towers, and the regeneration system comprises an electric heater and an air blower which are connected through a steel pipe. According to the dryer, the purpose of saving energy is achieved through the peak-valley-flat electricity price, the adsorption tower A, the adsorption tower B and the adsorption tower C conduct adsorption in the daytime, the regeneration and cold blowing process is conducted when the valley electricity price is utilized, and therefore the operation cost of the dryer is reduced; the adsorption regeneration process comprises two working modes: in the first working mode, adsorption is carried out for 12 hours in a tower A, adsorption is carried out for 12 hours in a tower B, and adsorption is carried out alternately in a tower C; and a second working mode: one tower performs adsorption work, one tower performs heating regeneration, and the other tower can perform cold blowing. The adsorption dryer with the three-tower structure can meet the requirement of a customer for reasonably selecting an off-peak electricity period for heating regeneration, so that the operation electric energy of equipment is greatly reduced.
Owner:LIAONING JIUYI TECHNOLOGY CO LTD

Industrial wastewater filter for environmental protection

The invention relates to the field of wastewater filtration, in particular to an environment-friendly industrial wastewater filter, which comprises a tank body consisting of a shell and a top cover, the filter cartridge is fixedly arranged in the tank body; a fixing frame is fixedly mounted on the inner wall of the top cover; the pressure-controlled cleaning mechanism is arranged between the fixing frame and the filter cartridge, the pressure-controlled cleaning mechanism comprises a flushing assembly and a control assembly, and the control assembly is used for gradually switching the filter from a filtering state to a cleaning state in the process that the water pressure is gradually increased when the filter cartridge is blocked; the pressure-controlled cleaning mechanism is arranged to automatically sense the pressure gradient caused by the blockage of the filter cartridge, and the pressure change is utilized to drive the adjusting plate to rotate, so that the state switching from sewage filtering to medicament cleaning is automatically completed; in the cleaning stage, all-directional preliminary flushing of high-pressure liquid medicine is achieved by rotating the medicine spraying pipe, closed soaking can be formed in the filter cartridge through continuously injected liquid medicine, and chemical softening and deep cleaning of stubborn dirt such as oil dirt are achieved.
Owner:WUXI XIXI CHEM MASCH PARTS CO LTD