32 results about "Osmosis" patented technology

A target palladium membrane selection method, a hydrogen-related reaction execution method, and an osmosis diffusion rate determination method and system are provided. The selection method includes determining target lattice parameters of the target palladium membrane, and target metal components and proportions thereof according to a target osmosis diffusion rate of hydrogen gas passing through a target palladium membrane, a target thickness of the target palladium membrane, and a corresponding relationship between the permeation diffusion rate of hydrogen gas passing through a sample palladium membrane and a specific parameter group of the sample palladium membrane; and selecting as a target palladium membrane a palladium membrane having the target lattice parameters, the target metal components and proportions thereof, and the target thickness.

The application discloses a multifunctional biological imbibition agent and a preparation method and application thereof. The preparation method of the multifunctional biological imbibition agent comprises the following steps: (S1), alkylization reaction to obtain alkyl naphthalene; (S2), chloromethylation reaction to obtain halomethyl alkyl naphthalene; (S3), halogen alkyl nucleophilic substitution reaction to obtain hydroxymethyl alkyl naphthalene; and (S4), esterification reaction to obtain the multifunctional biological imbibition agent. The application further discloses application of the multifunctional biological imbibition agent as an imbibition agent in shale oil reservoir oil extraction. The application has the following advantages: (1) the reservoir adsorption amount is small, but the good wetting reversal characteristic is still maintained, and the emulsification is weak; (2) the high-temperature resistance is strong, and the temperature resistance reaches above 200 DEG C; (3) the preparation process is simple, and the yield is high; (4) the dosage is small, the cost is low, and the economic benefit is remarkable.

The application provides a two-stage reverse osmosis device for processing traditional Chinese medicine decoction pieces, and relates to the technical field of reverse osmosis devices, which comprises a base, a vertical frame fixed to the top of the base, an osmosis assembly installed on the vertical frame, a rotating frame fixed to the bottom of the osmosis assembly, a sterilization and disinfection assembly rotatably installed on the top of the rotating frame, and a driving assembly arranged at the connection between the sterilization and disinfection assembly and the osmosis assembly. The rotating shaft is driven to rotate by the first motor, the rotating discs on the four annular cavities are driven to rotate, the circular plate inside the annular cavity is driven to slide inside the annular cavity, the water inside the annular cavity is driven to flow, the water inside the annular cavity can be irradiated by the ultraviolet lamp strip, the water is completely sterilized and disinfected, the four annular cavities are alternately opened and closed by the driving assembly, part of the water can be saved while the continuous water inlet and water outlet are maintained, the water is independently sterilized and disinfected, and the ultraviolet irradiation time is increased.

A membrane assembly for extracting water from ambient air or seawater includes a manifold tube surrounded by a membrane web arranged about the manifold tube in a spiral configuration. The manifold tube has an entrance end, an exit end, web entrance ports, and web exit ports. The web membrane has a first osmosis membrane, a second osmosis membrane, a barrier layer positioned between the first osmosis membrane and the second osmosis membrane to form a first fluid flow conduit in fluid communication with the web entrance ports and a second fluid flow conduit in fluid communication with the web exit entrance ports and an end of the first fluid flow conduit. The web membrane also has a first porous structural material layer positioned within the first and second fluid flow conduit, and a second porous structural material layer positioned about the first osmosis membrane.

A high-purity artificial zeolite is industrially mass produced by carrying out osmosis treatment of fly ash in an alkaline aqueous solution, subsequently carrying out the osmosis treatment again with an acidic aqueous solution of pH 1.0 or less obtained by adding acid to the osmotic aqueous solution of fly ash, then performing solid-liquid separation while water wash and dewatering in a centrifuge, thereby synthesizing a starting composition, and performing hydrothermal reaction treatment to this starting composition.

This application discloses a pressure-assisted osmosis device and its membrane assembly, which includes a central tube and several membrane rolls. The central tube comprises an outer central tube, an inner central tube, and several dividing ribs. The dividing ribs divide the space between the outer central tube and the inner central tube into several peripheral channels. The outer central tube has a second type of through-hole to connect the peripheral channels with the outside of the outer central tube. The dividing ribs have at least a portion of a first type of through-hole. Both the central channel and the peripheral channels extend along a central axis, with the peripheral channels formed on the opposite outer side of the central channel. The first type of through-hole extends from the inner wall of the inner central tube through the dividing ribs to the outer wall of the outer central tube. The two openings of a membrane bag are respectively connected to the openings of a first type of through-hole and a second type of through-hole at the outer central tube. The advantage of this application is that it provides a pressure-assisted osmosis device and its membrane assembly with a reasonable structure that is easy to assemble and disassemble.

The utility model discloses water purification equipment for solving forward osmosis phenomenon, which comprises an RO (reverse osmosis) membrane filter unit, a booster pump, a PE (polyethylene) water bag, a water supply pump and a water inlet valve, the water inlet valve, the booster pump, the RO membrane filter unit, a first one-way valve, the water supply pump and a faucet are sequentially connected, and the first one-way valve is arranged towards the water supply pump. A zero stale water path is connected between the rear side of the water supply pump and the water inlet side of the RO membrane filtering unit and comprises a first flow meter and a second one-way valve. The RO membrane filtering unit is flushed through the zero-stale-water waterway, the service life of the RO membrane filtering unit is effectively prolonged, the problem that the TDS value of the first cup of water of the water purifier is high is solved, pure water is stored in a water bag made of a medical-grade PE material, the material is zero in precipitation, and drinking water of a user is safer and healthier.

A man-portable dialysate generator with a forward osmosis membrane module, a concentrated aqueous salt solution reservoir, a non-sterile water feedstock inlet, and a collection reservoir that produces sterile dialysate from non-sterile feed water. The dialysate generator does not have an electric-powered pump to move fluids across the osmosis membrane, or does not have electric-powered pumps that generate more than 5 psi for fluid pressure. The dialysate generator is man-portable, less than 50 pounds and maybe less than 31 pounds, and preferably less than 10 pounds. The device is particularly advantageous for use in forward deployed military patient care, disaster response or remote medical care situations away from clean water and electricity.

The present application relates to waste landfill treatment technical field, disclose a kind of sludge and fly ash mixed filling treatment process, comprising: porous medium composite adsorption medium preparation, ion exchange pre-activation modification, osmotic pressure gradient layer construction, electrochemical activation field formation, ion channel dredging treatment, osmotic pressure self-repairing adjustment, electrochemical self-cleaning maintenance and other steps.The present application is through the synergistic effect of porous medium reinforced osmosis adsorption and ion exchange pre-activation, combined with osmotic pressure gradient directional migration and electrochemical activation, realize the efficient removal and long-term stable treatment of heavy metal pollutants, high heavy metal removal rate, long stable operation period of landfill system, reduce artificial, effectively reduce environmental pollution risk.

The application discloses a method for preparing total anthraquinones in rhubarb by ultrafiltration-serial countercurrent extraction, and belongs to the technical field of natural substance separation. The method comprises the following steps: extracting rhubarb raw materials by ammonia osmosis, removing macromolecular impurities from the obtained osmosis liquid by ceramic ultrafiltration membrane filtration; adjusting the pH of the ultrafiltrate to serve as an extracted water phase, and performing countercurrent extraction on the extracted water phase by an extractant composed of solvent No. 260 and tributyl phosphate or trialkyloxy phosphine; loading the extractant to perform countercurrent back extraction on the extractant by an alkaline back extraction agent; and finally, acidifying, concentrating and drying the back extraction liquid to obtain high-purity total anthraquinones in rhubarb. The application couples ultrafiltration, serial countercurrent extraction and complexation extraction, solves the defects of traditional processes, such as easy emulsification, great solvent toxicity, high residue and high cost, and has the advantages of high selectivity of target components, high product purity, recyclable extractant, green and environment-friendly process, suitability for industrial production and the like.

The present application belongs to the technical field of soil engineering sludge solidification, and particularly relates to a vacuum electro-osmotic solidification and contaminated sediment repair integrated test system and method; the present application can monitor the change of the water content and the conductivity of the contaminated sediment in the electro-osmosis treatment process in real time, and can calculate the change of the pollution concentration of the contaminated sediment in real time according to the change of the water content and the conductivity, thereby solving the problems that the traditional test method needs sampling detection, the steps are complicated and the result cannot be obtained in real time, and the pollution concentration and the water content do not need to be measured by special equipment, thereby saving the cost; the pollutants in the contaminated sediment are discharged into the water collecting assembly with the sewage, thereby ensuring the decontamination effect; the contaminated sediment in the sludge inlet assembly is sucked into the vacuum container through the negative pressure assembly, thereby ensuring the uniformity of the contaminated sediment; with the test proceeding, the vacuum container compresses the contaminated sediment, thereby accelerating the vacuum electro-osmosis dewatering and decontamination process.

The invention discloses an electroosmosis viscosity reduction device for muck conveying of a shield spiral conveyor, and belongs to the technical field of muck conveying. The electroosmosis viscosity reduction device for muck conveying of the shield spiral conveyor comprises an anode part and a cathode part, the anode part comprises an insulating lining plate and a conductive net, the insulating lining plate is arranged on the inner wall of a machine barrel, and the conductive net is of a barrel-shaped structure and is arranged on the inner wall of the insulating lining plate; the cathode part comprises a mounting plate and a conductive slip ring, the mounting plate is connected with a rack of the conveyor, a stator of the conductive slip ring is connected with the mounting plate, and a rotor of the conductive slip ring is connected with a main shaft of the conveyor; the positive pole of the power supply device is electrically connected with the conductive net, the negative pole of the power supply device is electrically connected with the spindle through the conductive slip ring conductive part, and the power supply device is used for providing current for the conductive net. According to the electroosmosis viscosity reduction device for muck conveying of the shield spiral conveyor, the viscous force between muck and the inner wall of the machine barrel of the shield spiral conveyor can be reduced, and the muck conveying efficiency of the spiral conveyor is improved.

This invention discloses an ultrasonic-assisted percolation extraction method for processed Polygonatum sibiricum tablets, relating to the field of percolation extraction of processed Polygonatum sibiricum tablets. This ultrasonic-assisted percolation extraction method for processed Polygonatum sibiricum tablets involves careful selection and intermittent pulverization to a specific particle size during pretreatment, ensuring uniform particle size and facilitating the full release of active ingredients. In establishing the percolation system, the concentration and amount of ethanol solution are precisely controlled, and it is slowly added with stirring and allowed to stand, allowing the Polygonatum sibiricum particles to be fully impregnated. The ultrasonic-assisted treatment is intermittent, with a specific frequency and power set, utilizing cavitation and other effects to promote the release of active ingredients while avoiding continuous action that could damage them. The temperature is precisely controlled at 30-40℃ to prevent high temperatures from damaging heat-sensitive components. These measures work together to effectively improve the extraction efficiency and quality of the active ingredients in Polygonatum sibiricum, reduce the loss of active ingredients, and ensure the integrity and high quality of the extract.

The utility model provides a preparation system of industrial pure water, which belongs to the technical field of pure water preparation, and comprises a raw water tank, a raw water pump, a pretreatment module, an osmosis desalination module, an EDI (Electronic Data Interchange) machine and a pure water tank which are connected in sequence, one end of a raw water channel of the FO membrane assembly is connected with the pretreatment module, the other end of the raw water channel of the FO membrane assembly is connected with the reverse osmosis machine, the other end of the reverse osmosis machine is connected with the EDI machine, the draw solution circulating system is connected with a draw solution channel of the FO membrane assembly, and raw water is pre-concentrated through the FO membrane assembly and the draw solution circulating system, so that the osmotic pressure of the raw water is reduced; and water molecules can more easily penetrate through the RO membrane of the reverse osmosis machine, so that the water production rate is improved, and the technical problem that the water production rate is low as the raw water is desalted only by a reverse osmosis process in the prior art is solved.

The utility model discloses a kind of osmosis membrane module and reverse osmosis device convenient to replace, it is related to sewage treatment technical field, specifically including shell, the shell one end is sealed by rear end cover, the inner chamber of shell one end is provided with locating plate, the water inlet cavity is formed between locating plate and rear end cover, the side of water inlet cavity is provided with liquid inlet check valve, the other end of shell is sealed by front end cover, the middle part of front end cover is movably connected with rotating shaft, one end of rotating shaft is connected with rotating handle, rotating handle is located in the outside of shell, the other end of rotating shaft is connected with limit rod. The front end cover of the application and membrane unit can form integrated structure, so that membrane unit and front end cover can realize linkage disassembly, simplify membrane unit replacement step, and have reliable force point, improve membrane unit disassembly efficiency, and limit rod and limit plate can form mechanical self-locking, improve front end cover fixed reliability.

The invention relates to the technical field of environmental protection engineering construction, and discloses an electro-osmosis reinforcement device and method for controlling the soil parameter gradient, the electro-osmosis reinforcement device comprises an electro-osmosis device, a comprehensive sensor and at least one high-pressure injection unit, and a transverse pipe in the high-pressure injection unit is arranged between any two adjacent anodes; the nozzle is used for spraying adjusting liquid in the horizontal direction and the vertical direction. The water content, the conductivity and the pH value of the soil body are monitored in real time through the pre-buried soil comprehensive sensor, liquid injection adjustment is automatically started when the parameter gradient exceeds the threshold value in combination with the limit gradient parameter determined through a pre-test, the soil body parameter gradient is maintained in an ideal interval, control and dynamic adjustment of the reinforcement process are achieved, and the reinforcement effect is improved. The problems of electrode polarization, resistance increase and current decrease caused by overlarge parameter gradient in the electroosmosis process are solved, and the continuity of the electroosmosis efficiency is ensured.

This invention relates to the field of medical information technology, specifically to a high-precision automatic pressure control system for peritoneal dialysis based on machine learning. The system's state perception unit determines the estimated glucose concentration based on the initial glucose concentration and retention time; determines the instantaneous osmosis rate based on the estimated glucose concentration and body temperature; determines the volume-pressure response coefficient based on the instantaneous osmosis rate and fluid pressure, and determines the volume-pressure state index in conjunction with a preset reference peritoneal volume; determines the action risk index in real time based on inertial measurement data and the volume-pressure state index; during the drainage phase, it determines the drainage efficiency index based on the real-time drainage rate and the preset reference drainage rate; and a prediction unit fuses the determined indicators through a pre-trained correlation matrix to determine the dynamic weights of each sensor data point. The sensor data is then weighted using these dynamic weights and input into a time-series training model to obtain a pressure prediction value, thereby improving the accuracy of pressure prediction.

The utility model relates to the field of unit membrane assembly, in particular to a large-flux low-salt reverse-mixing forward-osmosis unit membrane assembly device which comprises a fixing cylinder and a supporting plate, the left end of the fixing cylinder is fixedly connected with a second fixing cover, the centers of the left end and the right end of the second fixing cover are fixedly connected with a first fixing pipe in a penetrating mode, and a first screw groove is formed in the outer wall of the right end of the first fixing pipe. The inner wall of the fixing cylinder is provided with a membrane cylinder, the inner wall of an opening in the left end of the membrane cylinder is fixedly connected with a second thread, the second thread is matched with the first screw groove, the first fixing pipe is matched with the opening in the left end of the membrane cylinder, the edge of the left end of the membrane cylinder is attached to the right end of the second fixing cover, and the inner wall of the right end of the fixing cylinder is fixedly connected with a first thread. The film barrel can be fixed to the first fixing pipe through cooperation of threads and the screw groove, the second fixing pipe installed at the right end of the fixing pipe through the threads can be attached to and press the film barrel, and therefore the film barrel is limited and fixed, it is guaranteed that the film barrel works stably, meanwhile, the film barrel is convenient to disassemble and maintain, and using convenience is improved.

The application discloses a kind of based on schiff base two-dimensional polymer composite membrane osmotic energy conversion device and its application.Schiff base two-dimensional polymer composite membrane is schiff base two-dimensional polymer / cellulose nanofiber composite membrane, which is prepared by interfacial superassembly strategy, has double nano ion channel and adjustable surface charge characteristics.The composite membrane is assembled between double conductivity cell, and the ion transport and osmotic energy conversion performance are tested under the concentration gradient of simulated seawater (0.5 M NaCl) and river water (0.01 M NaCl).It has a high output power density of 5.62 W / m 2 , and has good durability and cycle stability.The application provides a new intelligent nanochannel platform for efficient capture of blue osmotic energy.

A heat driven osmosis water and power generator consists of dilute hygroscopic solution flow loop, an air humidity exchanger, a condensation solution circulation pump, a pressure retarded osmosis exchanger, a pressure exchanger, an evaporation chamber, a recuperative heat exchanger, a concentrated solution circulation pump, a solution pressure differential turbine generator, a freshwater power turbine, a concentrated hygroscopic solution flow loop and condensed water reservoir. The pump circulates low concentration, dilute, hygroscopic solution between air humidity exchanger and osmosis exchanger. Moisture is absorbed into low concentration hygroscopic solution from air circulation through humidity exchanger. As solution circulates through osmosis exchanger, moisture is extracted through osmosis membrane by concentrated hygroscopic solution. Concentrated hygroscopic solution circulation pump circulates high concentration solution between pressure retarded osmosis exchanger and vaporization chamber. Solution flowing to and from vaporization chamber is maintained at a lower pressure than fluid circulating through osmosis exchanger.

Disclosed herein is a method of removing fluid from a subject, using the steps of (i) administering a first hypertonic solution comprising a sugar-based osmotic agent to a peritoneal cavity in the subject; (ii) allowing water from the subject to pass into the peritoneal cavity by osmosis, thereby forming a second hypertonic solution within the peritoneal cavity, the second hypertonic solution having a lower concentration of the sugar-based osmotic agent than the first hypertonic solution; (iii) withdrawing a portion of the second hypertonic solution from the peritoneal cavity and combining the withdrawn second hypertonic solution with a sugar concentrate to form a third hypertonic solution; (iv) administering the third hypertonic solution to the peritoneal cavity to form a fourth hypertonic solution within the peritoneal cavity by mixing of the second and third hypertonic solutions; and (v) repeating steps (ii) to (iv) for a desired treatment time. Also disclosed herein is an apparatus suitable for use with the method.

The application discloses a kind of carbon quantum dots regulation active layer pore size to enhance water flux and salt rejection rate of positive osmosis membrane, including support layer and active layer, active layer is by water phase solution and oil phase solution on the surface of support layer through interface polymerization reaction is formed, carbon quantum dots are incorporated in water phase solution, and active layer is modified once;After modification, active layer is again modified by carbon quantum dots solution twice;By twice modification of carbon quantum dots, the pore size of active layer is regulated, so that the pore size of active layer is reduced, and the porosity is increased, so that the water flux and salt rejection rate of positive osmosis membrane are simultaneously improved.The positive osmosis membrane obtained by the application not only has antibacterial ability, but also improves water flux and salt rejection rate.

The utility model discloses a sulfate wastewater resourceful treatment system, including oil film removal pretreatment device, ion membrane dialysis device, positive osmosis concentration device, extraction device, first evaporation crystallization device and second evaporation crystallization device, sulfate raw wastewater is in proper order through oil film removal pretreatment device, ion membrane dialysis device, and the dirty brackish water that the ion membrane dialysis device produces is connected the positive osmosis concentration device through pipeline, and the dirty concentrated brine that the positive osmosis concentration device produces is connected extraction device through pipeline, and the concentrated brine that extraction device produces is connected second evaporation crystallization device through pipeline, and the net concentrated brine that the ion membrane dialysis device produces is connected first evaporation crystallization device through pipeline. The utility model discloses low energy consumption, and the processing cost is low, and simple operation can be resourceful utilization.

The application discloses a kind of metal organic framework nanosheet sandwich positive osmosis membranes and preparation method thereof, the metal organic framework nanosheet sandwich positive osmosis membrane is the sandwich structure of base film, Zr-BTB metal organic framework nanosheet and polyamide layer;Wherein, the surface of the base film is loaded with the Zr-BTB metal organic framework nanosheet, the surface of the Zr-BTB metal organic framework nanosheet is polymerized with the polyamide layer.The technical scheme of the present application, the existence of sandwich can slow down the diffusion rate of amine monomer, avoid the collapse of separation layer, beneficial to form thin and defect-free separation layer;In addition, large-size metal organic framework nanosheet with uniform porosity as sandwich has the advantages of 3D nanomaterial and 2D nanomaterial, which can ensure that the sandwich material remains stable during the formation of the separation layer, and can also utilize the unique hydrophilic functional groups on the material to form more water channels in the separation layer.

The application discloses an intelligent scheduling method for a pressure-retarded osmosis membrane energy storage system. The method comprises the following steps: acquiring real-time operation data of the system; based on the data, a predictive model is used to prospectively solve a feedforward reference pressure trajectory covering a preset discharge period; an augmented state extended Kalman filtering algorithm based on a mechanism model is used to online jointly estimate key states including an effective osmotic pressure difference and a membrane structure parameter, which cannot be directly measured; according to the estimated value of the key states, a feedback optimal operating pressure that can compensate for the concentration polarization effect is calculated; based on the confidence of the key state estimation, the feedforward reference pressure trajectory and the feedback optimal operating pressure are dynamically fused to generate a final operating pressure instruction. The application combines forward planning and real-time feedback, overcomes the model mismatch problem, continuously tracks the real optimal working point of the system, and further maximizes the total power generation in the whole discharge period.

The invention discloses a She medicine twelve-hour compound percolation extract and a preparation method thereof, and relates to the technical field of traditional Chinese medicine extracts.The She medicine twelve-hour compound percolation extract is prepared from 20 parts of twelve-hour, 1 part of ligusticum wallichii, 1.25 parts of pseudo-ginseng, 1.25 parts of safflower, 1.5 parts of honeysuckle and 1.25 parts of borneol; wetting the obtained coarse powder with an ethanol solution with the volume fraction of 30%-70%; filling the wetted coarse powder into a percolator, adding an ethanol solution with the volume fraction of 30-70%, and percolating at room temperature at the flow rate of 0.5-1.5 mL / (min.kg of medicinal materials); and stirring until the mixture is completely dissolved to obtain the She medicine twelve-hour compound percolation extract. According to the method, the extraction efficiency and process stability of the oleanolic acid and the extract are remarkably improved; the quality controllability of the product is ensured; the traditional Chinese medicine composition fully embodies the synergistic advantage of compound compatibility, can avoid gastrointestinal toxicity, liver toxicity and kidney toxicity of oral medicines as an external preparation, and provides an efficient, stable and safe new choice for treating rheumatoid arthritis.

A dissolved species (e.g., sulfur) is concentrated from a feed liquid by passing the feed liquid into a first reverse-osmosis module of a first reverse-osmosis assembly, where the feed liquid is separated with a membrane to produce a permeate and a concentrate solution. In a de-supersaturation module, dissolved components are precipitated from the concentrate solution to produce solid precipitates and a de-supersaturated concentrate solution, which is passed to a second reverse-osmosis assembly, where the de-supersaturated concentrate solution is separated with a membrane to produce a permeate and a concentrated brine. In a polishing module, the permeates from the first and second reverse-osmosis assemblies are further purified to produce a polished permeate and a concentrate solution that is recycled back to the retentate side of the first reverse-osmosis module of the first reverse-osmosis assembly where it mixes with the feed liquid, and the polished permeate is extracted from the polishing module.

This invention relates to the field of water treatment by reverse osmosis. It introduces a new method for generating different types of water. It involves treating slightly saline water, such as tap water, whose salinity varies over time and space. This process requires a pretreatment stage (treatment of raw water) and three membrane treatment stages (reverse osmosis) that remove salts. At each stage, a specific water quality is produced (Osmosis water, demineralized water, and ultrapure water). This invention also encompasses the production of drinking water through the combination of pre-treated raw water, Osmosis water (permeate 1), and wastewater from the second Osmosis unit.

The invention discloses a green super-efficient rapid purification method of a porous material, which utilizes a Soxhlet extraction device comprising an extraction cylinder, a condenser pipe, a flask and a siphon and a nano-micron percolation cylinder arranged in the extraction cylinder to purify the porous material, and comprises the following steps: S1, filling the nano-micron percolation cylinder with the porous material to be purified, the outer diameter of the nano-micron percolation cylinder is smaller than the inner diameter of the extraction cylinder; s2, adding a purification solvent into the flask, heating to boil, and enabling solvent steam to flow into the extraction cylinder after being condensed by a condensation pipe; s3, in the Soxhlet extraction process, a pressure difference is generated at the upper part and the lower part of the nano-micron percolation barrel by utilizing a temperature gradient formed at the upper part and the lower part in the extraction barrel; and S4, after the purification is finished, separating the porous material from the purification solvent, and drying to obtain the pure porous material. The device is simple and convenient to operate, has the dual advantages of environmental protection, high efficiency and economy, has good industrial potential, and provides a reliable purification solution for the porous material.

The present invention is related to an osmosis membrane, specifically to a modified forward osmosis membrane and the method of preparing same. The inventive forward osmosis membrane has a modified membrane structure including a hydrophilic support mesh and a hydrophilic polymer membrane layer mixed antioxidant. The hydrophilic polymer membrane layer with antioxidant not only has high salt rejection, but also ensures high oxidation resistance under a strong oxidation environment, and can be used safely and stably. The inventive oxidation resistant forward osmosis membrane has the advantages of improving the efficiency of purifying and separating water, extending the service life, significantly reducing the operation cost of the forward osmosis membrane system. The inventive forward osmosis membrane can be applied in the industries of treatment of strong oxidation waste water, water purifying, filtration and purification of food and medicine filtering and so on.