52 results about "Oxidative treatment" patented technology

The invention provides a pre-oxidation and coagulation integrated water treatment experiment device, and relates to the technical field of sewage treatment, the pre-oxidation and coagulation integrated water treatment experiment device comprises a support frame, a mixing unit is mounted at the top end of the support frame, and an extraction unit and a water taking unit are mounted on the mixing unit; the extraction unit is used for sampling the sewage oxidized by the plurality of groups of mixing units at the same time; the water taking unit is used for simultaneously extracting a plurality of groups of supernatant liquid after sewage precipitation and adjusting the extraction height according to the depth of the supernatant liquid; the mixing unit comprises a mixing part, a driving part and a precipitation part, and the mixing part is used for physically separating multiple groups of sewage samples and synchronously mixing each group of sewage samples with a treatment agent; according to the sewage treatment device, the motor drives the driving gear to synchronously drive all the driven gears to rotate and drive the vertical shaft and the stirring blades to rotate, so that sewage, an oxidant and a coagulant in the multiple groups of mixing boxes are synchronously stirred respectively, and errors caused by manually controlling multiple groups of stirring devices are avoided.

The application provides an oil and gas field waste liquid classification gradient treatment method. The method comprises the following steps: performing electro-oxidation treatment on produced water to obtain electro-oxidation treated produced water; performing adsorption treatment on part of the electro-oxidation treated produced water by using an adsorption material to capture active chlorine, so as to obtain the adsorption material for capturing active chlorine and the adsorption treated produced water; performing biological treatment on the adsorption treated produced water to obtain treated produced water; mixing the other part of the electro-oxidation treated produced water with operation waste liquid, adding the adsorption material for capturing active chlorine, and obtaining gel breaking and de-stabilizing treated operation waste liquid; and performing coagulation and flocculation separation and ion control on the gel breaking and de-stabilizing treated operation waste liquid to obtain treated operation waste liquid. The method is suitable for large platform production mode of oil and gas field development, and can perform classification gradient treatment on produced water and operation waste liquid produced and discharged from platforms in the same region or adjacent regions, so that the treatment cost is reduced.

This invention relates to an advanced oxidation-biological co-treatment system and method for mineral processing wastewater. The advanced oxidation-biological co-treatment method for mineral processing wastewater of this invention includes the following steps: S1: Introducing polymetallic mineral processing wastewater into a pretreatment tank and adjusting the pH value for initial sedimentation treatment; S2: Introducing the supernatant into a coagulation sedimentation tank and adding a coagulant for secondary sedimentation treatment; S3: Introducing the supernatant into an ozone catalytic oxidation tower, adding a catalyst, and performing oxidation treatment to remove toxic and recalcitrant substances, and then removing residual ozone; S4: Introducing the wastewater into a biochemical reactor for biological treatment, followed by sludge settling, and discharging the supernatant after it meets the standards. The advanced oxidation-biological co-treatment method for mineral processing wastewater of this invention selectively catalytically oxidizes the wastewater before biological treatment, thereby improving the biodegradability of the wastewater.

This utility model relates to an ammonia nitrogen wastewater treatment device, comprising a heating stripping unit, a chemical precipitation unit, and a breakpoint chlorination unit. The heating stripping unit includes a stripping section and a stripping heating section, which strips the ammonia nitrogen wastewater. The stripping heating section is fixed to the stripping section. The chemical precipitation unit includes a precipitation reactor, whose inlet is connected to the wastewater outlet of the stripping section. The precipitation reactor has a precipitant feeding port and performs chemical precipitation treatment on the wastewater from the stripping section. The breakpoint chlorination unit includes an oxidation reactor, whose inlet is connected to the wastewater outlet of the precipitation reactor via a pipeline. The oxidation reactor has an oxidant feeding port and oxidizes the wastewater from the precipitation reactor. This utility model treats ammonia nitrogen wastewater using the heating stripping unit, chemical precipitation unit, and breakpoint chlorination unit, achieving efficient and thorough treatment of high-concentration ammonia nitrogen wastewater.

The utility model discloses a novel industrial sewage PDS strong oxidation treatment device, and relates to the technical field of sewage treatment equipment, in particular to a novel industrial sewage PDS strong oxidation treatment device which comprises a filter box, an oxidation box and a settling box which are communicated with one another in sequence, the sewage in the oxidation tank is stirred through the stirring part; a persulfate solution is contained in a persulfate solution box, and the persulfate solution is conveyed into an oxidation box through a flow dividing pipe, so that the persulfate solution is in contact with sewage; the stirring part drives the flow dividing pipe to lift and move in the oxidation box while stirring the sewage, namely, the flow dividing pipe lifts and moves in the sewage, so that a persulfate solution is more comprehensively contacted and mixed with the sewage, and the mixing effect of the persulfate solution and the sewage is greatly improved; the persulfate solution is subjected to an oxidation-reduction reaction, a catalytic oxidation reaction and the like in the sewage, so that the aim of purifying the sewage is fulfilled.

The invention belongs to the technical field of wastewater treatment materials, and relates to an adsorbent, in particular to an adsorbent for high-concentration COD biochemical tail water treatment and a preparation method and application thereof.The preparation method comprises the following steps that S1, activated carbon is subjected to nitrogen doping treatment, and nitrogen-doped activated carbon is obtained; s2, carrying out oxidation treatment on the nitrogen-doped activated carbon to obtain oxidized-nitrogen-doped activated carbon; s3, treating the oxidized-nitrogen-doped activated carbon under oxygen-enriched and low-pressure conditions to obtain the adsorbent. The adsorbent provided by the invention not only improves the adsorption effect, but also has high oxygen carrying performance, is used for treating high-concentration COD biochemical tail water, not only can efficiently adsorb suspended particulate matters so as to avoid adverse effects on a subsequent membrane treatment device, but also can release oxygen into the tail water so as to improve the oxygen content in the tail water, so that the treatment effect of the high-concentration COD biochemical tail water is improved. The activity of microorganisms in the aerobic biochemical treatment process is enhanced, so that the treatment effect is improved.

The application discloses a pretreatment method of gas field water, which comprises the following steps: gas stripping of the gas field water to obtain gas phase and liquid phase, wherein the volume ratio of the gas field water to the stripping gas is 1:8-20; returning the gas phase to the previous step after dry desulfurization; adding the liquid phase into a dissolved air water floatation after oxidative desulfurization and oil-water separation by biomass modified cotton sponge; performing oxidation treatment on the water phase after oil-water separation, then performing sedimentation treatment, and performing filtration treatment on the water phase after solid-liquid separation; removing sulfur and reducing COD by gas stripping and oxidation; treating the hydrogen sulfide gas generated by the gas stripping by dry desulfurization; recycling the desulfurized gas; removing suspended solids, high-valence metal ions with valence of two or more, colloids, organic matters, bacteria and microorganisms by a ceramic ultrafiltration membrane filter and a ceramic nanofiltration membrane filter.

The invention discloses a < 131 > I labeled SNO hydrogel material and a preparation method of the < 131 > I labeled SNO hydrogel material. The hydrogel material is mainly composed of hyaluronic acid, firstly, one kind of hyaluronic acid is modified, API molecules are modified on the side chain of the hyaluronic acid, a reaction site is provided for marking of < 131 > I nuclide, meanwhile, the hyaluronic acid is subjected to oxidation treatment, the hyaluronic acid rich in aldehyde groups becomes a monomer for forming the hydrogel, the hyaluronic acid with another molecular weight is selected, and the molecular weight of the hyaluronic acid is changed into the molecular weight of the hydrogel. ADH rich in hydrazide groups is introduced into a side chain through amidation reaction, a hydrazone bond is formed through reaction of aldehyde groups and hydrazide, and the chemical bond can endow the hydrogel with injectable and self-healing characteristics. Nuclide labeling of the hydrogel is completed for the first time through a chloramine T method, the overall labeling rate reaches about 80%, the hydrogel has good stability under physiological conditions, < 131 > I is not prone to falling off from the hydrogel, and the hydrogel has a good antibacterial effect at 500 mu ci. By constructing a bacterial infection osteoarthritis model, it is verified that the < 131 > I-labeled HA hydrogel has good injectability, the in-situ enrichment capacity of iodine < 131 > I is improved, and therefore the antibacterial efficiency is improved, the method is simple in preparation, the < 131 > I labeling efficiency is high, the method can be widely applied to osteoarthritis caused by bacterial infection, and the application prospect is wide. And a wide prospect is provided for clinical treatment of the disease.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a recycling method of coal chemical industry conversion high-ammonia-nitrogen wastewater, which comprises the following steps: S1, diluting the coal chemical industry conversion high-ammonia-nitrogen wastewater by at least one time to obtain diluted wastewater, and carrying out oxidation treatment to obtain first treatment liquid; s2, performing cold treatment on the first treatment liquid to obtain ammonium carbonate and a second treatment liquid; s3, performing carbonization treatment on the second treatment solution to obtain ammonium bicarbonate and a third treatment solution; and S4, carrying out ammonium sulfate treatment on the third treatment liquid to prepare ammonium sulfate. According to the recycling method of the high-ammonia-nitrogen wastewater provided by the embodiment of the invention, effective components in the wastewater are recycled step by step through a simple hierarchical recycling process, so that the treatment problem of the high-ammonia-nitrogen wastewater is effectively solved, the treatment cost of the wastewater is reduced, and the resource utilization of the wastewater is also realized.

The application discloses a method for degrading brominated organic pollutants in water by using UV / H2O2, and first establishes a high-level oxidation treatment method for brominated pollutants in water by combining UV and H2O2, determines the initial concentration of the brominated pollutants and the adding proportion of the oxidant H2O2 by using absorbance, Lambert-Beer law and the principle of absorbance additivity, and verifies the rationality of the concentration settings of the brominated pollutants and the oxidant in the kinetics evaluation, and further establishes a detection method for bromide ions, which, compared with the traditional ion chromatography method, does not need an additional pretreatment process, avoids the matrix interference of coexisting organic matters, and greatly saves the experimental and instrument use costs; for the identification of degradation products, the method established by the application accurately detects the evolution trend of more than twenty structural molecules in the examples along with the treatment process, and the method can be widely applied to the wastewater treatment of brominated flame retardants, brominated phenols and other bromine-containing organic matters in the environment.

The invention discloses a treatment device and method for treating ammonia nitrogen in domestic sewage through catalytic electrooxidation, and relates to the technical field of sewage treatment.The treatment device comprises a treatment tank and further comprises a conical pipeline which is installed in the treatment tank and can sequentially convey impurities from bottom to top and extrude the impurities to separate out chemical agents; the driving mechanism is mounted at the top of the conical pipeline and can throw out the separated chemical agent layer by layer along the conical pipeline and form a three-dimensional diffusion path, two groups of conductive assemblies which are parallel up and down are mounted outside the conical pipeline, and an electric field can be formed after the two groups of conductive assemblies are electrified; impurities can be dynamically captured and gathered to the bottom of the conical pipeline, the impurities are conveyed from bottom to top through the conical spiral shaft, the entrained medicament is separated out and is distributed and controlled again layer by layer through the spiral groove, full utilization of the medicament is achieved, the dual-operation mode of electric field wide-area scanning and local strengthening of the conductive assembly is combined, and the functions of impurity capturing and conveying are achieved; the sewage treatment efficiency is improved.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method and apparatus for reusing chlorinated benzene rubber wastewater. The method includes the following steps: homogenization: introducing the chlorinated benzene rubber wastewater into a homogenization tank and introducing air to discharge chlorine-containing waste gas; oxidative flotation: subjecting the treated wastewater, oxidized wastewater, and chlorinated benzene-containing waste gas to oxidation treatment, then re-entering the oxidation tank for further treatment under ultrasonic synergistic action, and repeating this cycle to remove organic matter and suspended solids; clarification and buffering: the oxidized wastewater enters a buffer tank; pretreatment for reuse: the water after multi-media treatment enters an ultrafiltration unit to further remove particulate matter from the multi-media effluent; reuse treatment: the remaining wastewater enters a reverse osmosis unit for reuse, and the concentrated wastewater is sent to a wastewater treatment plant. This invention provides a method for reusing chlorinated benzene rubber wastewater that is environmentally friendly, produces high-quality wastewater, and has a high production rate; this invention also provides a reuse apparatus.

The invention belongs to the technical field of sewage treatment, and particularly relates to a medical sewage treatment method for synergistically removing new pollutants and pathogenic microorganisms, which comprises the following steps: S1, pretreatment: putting an inorganic flocculant into medical sewage to promote the aggregation and precipitation of suspended particles and colloids in the medical sewage; s2, oxidation treatment: a composite agent is put into the pretreated medical sewage, a direct-current electric field is applied at the same time, the composite agent comprises potassium monopersulfate composite salt, sulfamic acid, sodium chloride, sodium bromide, a surfactant, a pH buffer agent, a composite corrosion inhibitor, an anti-blocking agent and anhydrous sodium sulfate, strong-oxidizing components are generated after the composite agent is dissolved, and the strong-oxidizing components are added into the pretreated medical sewage; organic matters are mineralized and decomposed, and pathogens are killed; s3, biochemical treatment: carrying out biochemical treatment on the medical sewage subjected to oxidation treatment to remove ammonia nitrogen and small molecular organic matters. According to the invention, various new pollutants can be effectively decomposed, pathogenic microorganisms are inactivated, and the treatment effect is improved.

Provided are a water treatment device and a water treatment method with which it is possible to stabilize the treatment performance of the denitrification treatment in water treatment by performing nitrification treatment, denitrification treatment, and oxidation treatment on water to be treated containing ammonia nitrogen using a carrier that holds microorganisms. This water treatment device (1) is provided with: a nitrification tank (10) for nitrifying water to be treated, which contains ammonia nitrogen, by means of autotrophic bacteria; a denitrification tank (12) for denitrifying the nitrified water in the presence of a hydrogen donor; and an oxidation tank (14) for oxidizing the denitrified water. A nitrification tank (10), a denitrification tank (12), and an oxidation tank (14) are filled with carriers that hold microorganisms, respectively, and trace elements are added to the nitrification tank (10) and the denitrification tank (12), respectively.

The copper wire processing device with the antioxidant recycling function comprises a processing box body, four guide rollers are installed on the two sides of the upper end of the processing box body and the two sides of the inner lower end of the processing box body, and a circulating processing structure is installed at the rear end of the processing box body. The two ends of the circular treatment structure are respectively communicated with the two sides of the treatment box body; the utility model relates to the technical field of copper wire treatment, the circulating treatment structure adopted by the scheme can realize the circulating filtration treatment of an antioxidant, remove residues in the antioxidant and protect the subsequent treatment effect of a copper wire through the cooperation of the arranged first pump set and the filter box body, and the treatment effect of the copper wire is improved through the arranged treatment assembly. According to the concentration change of an antioxidant, a stock solution can be filled and subjected to concentration detection, full mixing treatment is conducted on the stock solution, finally, the stock solution is conveyed into the treatment box through the second pump set, the overall concentration of the antioxidant is guaranteed, and then the overall antioxidant treatment effect of a subsequent copper wire is guaranteed.

The invention provides a method and a system for treating MVR distilled oil sludge wastewater, and belongs to the technical field of oil sludge wastewater treatment. Comprising the following steps: sequentially carrying out pressurized dissolved air flotation treatment, extraction treatment, acidification treatment until the pH value is 3.0-3.5, electro-Fenton oxidation treatment, deep oxidation treatment, pH value adjustment to 7.0-8.5 and addition of a flocculating agent for precipitation separation, electrocatalytic oxidation treatment, gravity settling separation and microbial degradation treatment on the MVR steamed oil sludge wastewater. According to the method, the MVR distilled oil sludge wastewater is pretreated, and after sequential treatment of the pretreatment steps, the BOD5 / CODcr ratio of the wastewater is increased to 0.3 or above, so that the microbial biodegradability of the wastewater is fundamentally improved, and the method can be suitable for subsequent microbial degradation treatment. According to the invention, the overall decontamination effect of the wastewater treatment process is improved, the overall treatment cost of the wastewater is reduced, and the effluent at the tail end of the microbiological degradation treatment process can stably meet the discharge requirements of the national GB / T31962-2015 Urban Wastewater Nano Tube Limit.

The invention discloses a wastewater treatment method and system, and relates to the technical field of wastewater treatment.The system comprises an advanced oxidation unit, a biological reaction tank, an advanced treatment biological tank, a temperature and pH intelligent regulation and control unit, online monitoring equipment and a central control unit; the system is used for realizing the wastewater treatment method, and the wastewater treatment method comprises the following specific steps: S1, wastewater pretreatment; s2, advanced oxidation treatment; s3, biological membrane denitrification; s4, deep treatment; s5, sewage detection and discharge. According to the wastewater treatment method and system, abnormal quotation recognition can be carried out, refractory organics are damaged through ozone oxidation by the advanced oxidation unit, inhibition of the refractory organics on denitrifying flora can be eliminated, and obstacles are cleared away for subsequent biological treatment; the pH intelligent regulation and control unit is applied to the biological reaction tank and the deep treatment biological tank, the biological reaction tank is matched with the deep treatment biological tank to adapt to multiple scenes such as municipal sewage and industrial organic wastewater, and an external carbon source is not needed.

The application provides a phenol-containing wastewater treatment process and a treatment system. The treatment process comprises the following steps: (1) evaporating the phenol-containing wastewater to obtain a first gas phase stream and a first liquid phase stream; (2) introducing the first liquid phase stream into a first electrochemical advanced oxidation treatment unit to perform electrolysis treatment, and obtaining a second liquid phase stream; (3) introducing the second liquid phase stream into a second electrochemical advanced oxidation treatment unit to perform electrolysis treatment, and obtaining a clear liquid after solid-liquid separation, which can be discharged. The treatment system comprises an evaporation concentration unit, a first electrochemical advanced oxidation treatment unit, a second electrochemical advanced oxidation treatment unit and a solid-liquid separation unit. The process method combining evaporation concentration and two-stage electrochemical advanced oxidation treatment greatly simplifies the treatment process of high-concentration phenol-containing wastewater, and the treated wastewater can be discharged.

The application relates to a Fenton and electro-oxidation coupled sewage treatment device, which comprises a combined oxidation reactor, a coagulation unit and a sedimentation unit connected in sequence; the combined oxidation reactor comprises, from outside to inside, a first electrode plate, a second electrode plate and a reinforced reaction cylinder; the first electrode plate and the second electrode plate are respectively electrically connected to the positive electrode and the negative electrode of an external power supply to perform electro-oxidation treatment; the reinforced reaction cylinder is provided with a stirring device; an oxidant feeding pipe is arranged at the bottom of the combined oxidation reactor and corresponds to the position of the reinforced reaction cylinder, and is used for inputting an oxidant into the reinforced reaction cylinder to perform Fenton reaction; the coagulation unit comprises a coagulation zone and a flocculation zone connected in sequence; the upstream sides of the coagulation zone and the flocculation zone are respectively provided with a feeding pipe; and the sedimentation unit comprises, from bottom to top, a mud scraper, an inclined plate filler and an overflow tank.

Provided are a water treatment device and a water treatment method with which it is possible to reduce the amount of aeration air, the amount of pH regulator used, and the amount of hydrogen donor used in water treatment in which water to be treated containing ammonia nitrogen is subjected to nitrification treatment, denitrification treatment, and oxidation treatment using a carrier that holds microorganisms. A water treatment device (1) is provided with: a first nitrification tank (10) for performing a first nitrification treatment on water to be treated, which contains ammoniacal nitrogen, using autotrophic bacteria; a first denitrification tank (12) for performing a first denitrification treatment on the first nitrified water in the presence of a hydrogen donor; a second nitrification tank (14) for performing a second nitrification treatment on the first denitrified water using autotrophic bacteria; a second denitrification tank (16) for performing a second denitrification treatment on the second nitrified water in the presence of a hydrogen donor; and an oxidation tank (18) for oxidizing the second denitrified water, in which the first nitrification tank (10), the first denitrification tank (12), the second nitrification tank (14), the second denitrification tank (16), and the oxidation tank (18) are each filled with a carrier for holding microorganisms.

The utility model discloses an oxidation treatment device for antibiotic pollutants in water, the oxidation treatment device comprises an ozone reaction device, a gas delivery pipe, a shell, a stirring device, a water supply device and an ozone treatment device, the ozone reaction device is used for converting oxygen in the nature into ozone, and the oxygen in the air is directly used as a raw material; the gas conveying pipe is used for conveying ozone generated in the ozone reaction device into the shell, the shell serves as a container and is used for providing a place for reaction of ozone and sewage, the stirring device is used for stirring the sewage, so that the sewage and the ozone can be in full contact, the working efficiency is improved, and the clean degree of water is improved; the water supply device is used for inputting water into the shell and carrying out primary filtration on sewage, so that automation of the oxidation process is realized, and the ozone treatment device is used for carrying out concentration detection and treatment on discharged ozone, so that the ozone with overhigh concentration is prevented from polluting the environment, and the green production process is ensured.

The invention belongs to the technical field of separation, purification and manufacturing of biological fermentation products, and provides separation and purification integrated equipment for ginseng and schisandra chinensis compound enzymes. The separation and purification integrated equipment comprises a shell with a first feeding port in the top and a discharging port in the bottom, the separation and purification integrated equipment comprises a pretreatment reaction cavity which is arranged on the upper layer of the shell and directly connected with the first feeding port, a filtering mechanism is arranged at the bottom of the pretreatment reaction cavity, and the bottom of the pretreatment reaction cavity is an arc-shaped surface; the filtering mechanism comprises an elastic filter screen located at the vertex of the arc-shaped face and an adjusting rod penetrating through the elastic filter screen, and the adjusting rod can adjust the hole diameter of meshes of the elastic filter screen. According to the technical scheme, continuous integrated treatment from ginseng and schisandra chinensis raw material rough machining to fermentation broth concentration is achieved, so that the separation efficiency is improved, infectious microbe infection is avoided, and the process verification requirements of small-scale and pilot-scale tests are met; the thermal degradation of active ingredients such as saponin and the reduction of the viscosity of fermentation liquor are avoided; through antioxidant treatment and pH regulation of the fermentation liquor, oxidative degradation of components is reduced.

The application provides an industrial wastewater circulating oxidation treatment device, which comprises a tank body, a wastewater inlet pipe arranged on one side of the top of the tank body, an oxidant adding port arranged on the other side of the top of the tank body, a liquid outlet pipe arranged at the bottom of the tank body, a driving main shaft arranged in the center of the tank body, a motor one connected with the input end of the driving main shaft and installed at the center of the top of the tank body, a rotary cutting stirring mechanism coaxially arranged on the driving main shaft, a circulating jet flow circulating mechanism arranged below the rotary cutting stirring mechanism, a deposition prevention pushing mechanism arranged below the circulating jet flow circulating mechanism and at the bottom of the driving main shaft, and multistage cyclone guide ribs arranged on the inner wall of the tank body and corresponding to the rotary cutting stirring mechanism. The oxidant entering the inside can be uniformly diffused in the whole region in a short time, and the oxidation reaction speed and the stirring effect are improved.

The present application relates to wastewater treatment technical field discloses a kind of black and odorous shale gas flow-back fluid processing method and system, the processing method is into aeration tank into black and odorous flow-back fluid, bubble is formed by air aeration and residual ozone, oxidize and form deposit to reducing material, while residual ozone sterilization and degradation organic matter to flow-back fluid;The flow-back fluid after air aeration pre-oxidation system processing is into softening coupling enhanced coagulation system, and the treatment agent is added in multistage reaction tank, and the flow-back fluid is softened, coagulated and precipitated, and scale ions are removed;The supernatant after multistage reaction tank processing enters advanced oxidation system and is carried out depth oxidation treatment;Again into membrane system and carries out safe filtration.The processing method of the present application can effectively solve black and odorous problem, reduce the content of total hardness, total iron, suspended solids and bacteria in black and odorous water, and the like, and the dross and odorous gas can be effectively removed, and the water after treatment can reach the reuse water quality standard, and can be used as fracturing fluid preparation water.

A method of making an aqueous mixture of ozone and water comprising pumping a solution of ozonated water through a high cavitation rate homogenizing device, thereby causing formation of gas phase nanobubbles of ozone in the solution. The high cavitation rate homogenizing device may be a homogenizing mixer. The high cavitation rate homogenizing device may be comprised of rotors and stators moving in close proximity relative to each other and separated by the solution of ozonated water. The relative motion of the rotors and stators may cause up to 500 million cavitation events per second in the solution of ozonated water, thereby causing the formation of gas phase nanobubbles of ozone. A computer-implemented method of treating waste water from a source is also disclosed. The method may include making the aqueous mixture of ozone and water.

This invention discloses a method for manufacturing cross-linked polyphenylene sulfide (PPS). In the later stage of the polymerization reaction for preparing linear PPS, a specific cross-linking accelerator is added to the system. After continued heating, flash evaporation is performed. This allows the specific cross-linking accelerator to not only be uniformly dispersed in the PPS resin particles, but also to be partially encapsulated by the PPS, making it less susceptible to removal during subsequent purification processes such as washing. In particular, the specific cross-linking accelerator of this invention has a high boiling point and is not easily soluble in water, thus being fully retained in the product. This significantly improves the thermo-oxidative treatment efficiency of the PPS particles, enabling the desired degree of cross-linking to be achieved in a shorter time, and resulting in a product with low gel content.

This invention discloses a skid-mounted leachate treatment unit, comprising a skid-mounted housing and, mounted on the housing, a pretreatment unit, an anaerobic treatment unit, an aerobic biological treatment unit, a chemical oxidation treatment unit, and a sludge treatment unit. The pretreatment unit filters to obtain filtrate and filter cake; the anaerobic treatment unit obtains anaerobic effluent and anaerobic sludge; the aerobic biological treatment unit obtains aerobic biochemical effluent and aerobic excess sludge; and the chemical oxidation treatment unit obtains purified water and chemical sludge. The sludge treatment unit processes the filter cake, anaerobic sludge, aerobic excess sludge, and chemical sludge to obtain solid sludge and concentrate. This device integrates the pretreatment unit, anaerobic treatment unit, aerobic biological treatment unit, chemical oxidation treatment unit, and sludge treatment unit onto the skid-mounted housing, forming a dedicated system for leachate treatment that allows for flexible layout.

The invention discloses a far-end discharge suspension electrode jet tube for atomizing enhanced active products. The far-end discharge suspension electrode jet tube comprises a dielectric tube, a PLA (polylactic acid) bracket, a ring electrode, a flexible tube I, an induction conductor and a flexible tube II, the problem that the discharge position is limited is solved, the device can flexibly act on deep tissues, complex cavities and long-distance targets, and far-end precise treatment is achieved. According to the invention, the active product can be enhanced and the ozone content can be reduced at the far end, the sterilization, anti-tumor and oxidation treatment effects are improved, and the risk of oxidative damage to tissues is reduced at the same time. The device has higher safety guarantee in clinical application and human body cavity operation. The flexible silicone tube has flexibility and biocompatibility and can safely enter a human body cavity or be attached to skin tissue, and tissue damage, rejection and discomfort are remarkably reduced. Meanwhile, the length of the flexible silicone tube can reach 2 meters, the flexible silicone tube can be arranged along with the bending form of the cavity channel, and accurate discharging of a deep target is achieved. The treatment effect is adjustable, the application range is wide, operation is easy and convenient, and controllability is high.

The application discloses a wastewater advanced oxidation treatment device, which comprises an adjusting tank and a reaction kettle, a forced circulation pipeline is arranged on the reaction kettle, a strong oxidant feeding device is connected to the forced circulation pipeline, a water outlet end of the adjusting tank is communicated with the forced circulation pipeline through a water inlet pipeline, a preheater is arranged on the water inlet pipeline, a water outlet pipeline is arranged at the bottom of the reaction kettle, the water outlet pipeline sequentially connects a wastewater cooler, a coagulation reaction tank and a sedimentation tank through the preheater, a steam pipeline is connected to the upper end of the reaction kettle, and a secondary steam cooler is connected to the steam pipeline. The application is provided with a wastewater preheater and a heater, the preheater is used for preheating fresh wastewater punched into the preheater by a water inlet pump by punching the reacted wastewater into the preheater by a drainage pump, so that the heat of the reacted solution is fully utilized, and the reacted wastewater is cooled, and heat loss is avoided.