32results about How to "Rapid oxidative decomposition" patented technology

The invention discloses an eutrophicated river water quality purifying method. The method comprises the following steps of: intercepting eutrophicated river into upstream, midstream and downstream parts; then conveying water of the upper part into an electrolyzing machine to be electrolyzed; then, discharging the electrolyzed water into the midstream part to be subjected to aeration treatment at the midstream part; and finally, flowing the water subjected to the aeration treatment to the downstream part. The eutrophicated river water quality purifying method adopts a method for firstly electrolyzing and secondly aerating, and can effectively inhibit the growth of algae in the water and an anaerobic reaction of a water body; an organic matter is decomposed, and total nitrogen, total phosphorus and chromaticity in the water are reduced and the odor is removed, so as to improve the river water quality and recover a water ecological system in a shorter time. The invention further discloses a river water quality purifying device, comprising a rubber dam, a water pump, the electrolyzing machine and an aeration device. The river water quality purifying device can be directly mounted in a river to directly purify river water; and the river does not need to be specially leaded to a pre-set structure to be treated, and the river water quality purifying device nearly does not change an environment, so that the influences to a natural environment are smaller.

The invention discloses a method for measuring the content of radioactive elements thorium and uranium in coal gangue. The method comprises the following steps: carrying out microwave digestion on coal gangue in a concentrated nitric acid-concentrated hydrofluoric acid-concentrated hydrogen peroxide system in a closed manner, adding concentrated perchloric acid after the digestion is completed, performing heating on an acid driving instrument to remove fluorine and silicon, heating a sample digestion solution until white smoke comes near, performing cooling, adding nitric acid to dissolve salts, and performing diluting with ultrapure water to obtain a test solution; preparing a series of standard solutions and internal standard solutions, and determining by using an inductively coupled plasma mass spectrometer. According to the invention, hydrogen peroxide is added during microwave digestion, the decomposition of fixed carbon in the sample is obviously promoted, and the dissolution effect of the to-be-detected element is improved. According to the method, the content of the natural radioactive elements thorium and uranium in the coal gangue sample can be rapidly determined, the detection limit of the method reaches 0.0028 mu g / g, the relative standard deviation ranges from 0.75% to 2.54%, and the adding standard recovery rate ranges from 98.00% to 103.60%.

The invention relates to the field of water-soluble fertilizers, and discloses a preparation method of a water-soluble humic acid fertilizer. The preparation method comprises the following steps of: (1) adding mineral source humic acid and a hydrogen peroxide solution into a colloid mill, and introducing ozone for grinding to obtain oxidized mineral source humic acid; (2) continuously adding a potassium hydroxide solution into the colloid mill for grinding to prepare activated mineral source humic acid; (3) adding citric acid, sodium carboxymethyl cellulose and water into the colloid mill forgrinding, and performing filtering to obtain a colloid humic acid mixed solution; and (4) adding the colloidal humic acid mixed solution into monoammonium phosphate, potassium dihydrogen phosphate, potassium sulfate, magnesium nitrate, urea, trace elements and water, performing stirring and dissolving, conducting filtering and concentrating under reduced pressure, and carrying out spray drying toobtain the water-soluble humic acid fertilizer. According to the method disclosed by the invention, humic acid is oxidized and activated in a high-shear colloid mill to form colloid, and indissolvableand insoluble substances are removed in a manner of filtering twice and concentrating once, so that the humic acid fertilizer with good water solubility is obtained.

The invention provides a movable ozone disinfection spray trolley. The trolley comprises a trolley body, a water tank arranged on the trolley body, a water pump connected to the water tank and a sprayer connected with the water pump through a hose, wherein an ozone generator is arranged on the trolley body, the ozone outlet of the ozone generator is connected to the inside of the water tank through a conduit, and the conduit extends into water in the water tank; the trolley body is provided with an control module used for controlling the ozone generator to work, and a mobile power supply which is used for supplying power to the ozone generator, the water pump and the control module. The movable ozone disinfection spray trolley is compact in structure, convenient and flexible, can move freely, and realizes that ozone-containing water can be pumped to a spray nozzle through the sealed hose and sprayed to the ground or air for disinfecting in an atomized manner, wherein the density of ozone is regularly controlled by the ozone generator for regulating.

The invention discloses a method used for processing refined cotton black liquor with waste alkali waste heat. According to the method, full utilization of waste heat and waste alkali obtained after cotton linter boiling is adopted in activation of PS / PMS to produce SO<4><->. and OH. with high oxidation activity, and realize high efficiency rapid oxidation decomposition of large molecular organic pollutants in black liquor. The method comprises following steps: refined cotton black liquor is subjected to temperature and pH adjusting, PS / PMS solution is added, in a reaction pool, rapid activation of PS / PMS by waste heat and waste alkali of refined cotton black liquor is realized, SO<4><->. and OH. with high oxidation activity are generated; in the reaction pool, under stirring effect, SO<4><->. and OH., and large molecular refractory organic matters in refined cotton black liquor are reacted, so that large molecular organic pollutants are degraded into small molecular organic matters, carbon dioxide, and water, and organic pollutant high efficiency removing is realized.

The invention discloses a preparation method and application of magnetic Co-V / C3N3 composite carrier particles. The method comprises the following steps: collecting degradation-resistant organic wastewater, adding a magnetic Co-V / C3N4 modified photocatalytic material, and feeding a proper amount of oxygen to initiate degradation reaction of degradation-resistant organic matters under the irradiation of electron beams; and after the reaction is finished, carrying out solid-liquid separation on the magnetic Co-V / C3N4 and a water body under the action of a magnetic field, wherein the supernate is treated water. When the bottom of the reactor needs to be dredged, the magnetic Co-V / C3N4 can be separated from sediments at the bottom under the action of a magnetic field, so that the loss of the catalyst is avoided. The preparation method is carried out at normal temperature and normal pressure, reaction conditions are mild, and the process is simple; the added photocatalytic functional material is environment-friendly and does not generate secondary pollution; the wastewater treatment process is short, the treatment effect is good, and the method is suitable for large-scale treatment of degradation-resistant organic wastewater.

The invention discloses an ultrasonic, H2O2 and microchannel advanced oxidation method and device, and belongs to the field of pollutant treatment. The ultrasonic, H2O2 and microchannel advanced oxidation method comprises the steps of 1, adding hydrogen peroxide into a wastewater solution to be treated to obtain an oxidized intermediate solution, or dissolving the waste gas to be treated with water, and then adding hydrogen peroxide into the solution for dissolving the waste gas to obtain an oxidized intermediate solution; (2) feeding the oxidized intermediate solution into a microchannel of a microchannel reactor, enabling the oxidized intermediate solution to react in the microchannel, carrying out ultrasonic treatment on the oxidized intermediate solution in the microchannel through an ultrasonic generator while the oxidized intermediate solution is conveyed in the microchannel, and after ultrasonic treatment of the oxidized intermediate solution in the microchannel is completed, obtaining an ultrasonic intermediate solution; and (3) carrying out sewage biochemical treatment on the ultrasonic intermediate solution. Rapid decomposition of hydrogen peroxide is achieved through ultrasonic waves, the concentration of free radicals in the solution is effectively improved, and then the treatment efficiency of organic matter wastewater is improved.

A technological scheme of treating organic waste water including pre-treatment, photocatalytic treatment and post-treatment, and during the photocatalytic treatment, a powerful reaction system is used and consists of TiO2 or modified TiO2 as catalyst, active carbon fiber net as catalyst carrier, and H2O2, O3 and two-valent ferrous salt as auxiliary oxidants and can result in multiple oxidation process including photocatalytic oxidation, photochemical oxidation, ferriin reagent oxidation, etc. The present invention also provides the specific design of a practical industrial photocatalytic reactor. The present invention is suitable for the effective degradation of organic matter in high-concentration difficult-to-degrade organic waste water.

The invention discloses a plant extract powerful decontamination cleaning agent. The invention discloses a preparation method of the plant extract powerful decontamination cleaning agent. The preparation method comprises the following steps of: air-drying, cooking, air-drying, drying and grinding Chinese honeylocust fruits, Chinese soapberry fruits, saponaria officinalis and lemons to obtain plant fine powder; adding the plant fine powder into ethanol, carrying out reflux extraction, performing filtering and collecting filtrate, carrying out reduced pressure reflux until no ethanol smell exists, conducting enriching by using AB-8 type macroporous adsorption resin, collecting an ethanol solution eluent, and carrying out reduced pressure concentration to obtain a plant extract solution; stirring ammonia water, adding the ammonia water into cyclohexane in the stirring process, sequentially adding a surfactant, tetraethoxysilane and phenyltriethoxysilane in a stirring state, performing standing and centrifuging, washing and drying an obtained solid, adding nano calcium silicate and bamboo powder, conducting mixing and grinding, adding protease, triacylglycerol acylhydrolase and coenzyme A, and uniformly mixing the substances to obtain a friction agent; homogenizing the plant extract solution and the friction agent to obtain the plant extract powerful decontamination cleaning agent.

The invention discloses a device and method for repairing soil and preventing pollutant diffusion. The device comprises an in-situ pressurization component, an electrode dialysis component and an aftertreatment component. Firstly, injecting a mixed oxidant of hydrogen peroxide dry mist and low-temperature plasma air into polluted soil in an injection pressure mode, then organic pollutants in the soil can be rapidly oxidized and decomposed, and pollutant diffusion can be also effectively prevented by a low-temperature mode. The device is also provided with an electrode zone, the pollutants canbe in directed migration along with ions by using an electrolysis method, a dialysis layer is also arranged on the inner side of an electrode net, and sucked and accumulated pollutants can be baffledby using three-dimensional filtering cotton and can be further oxidized and decomposed through persulfate, so that the removal efficiency of the pollutants in the soil can be greatly improved. In a word, the device has the advantages that the structure is simple, the in-situ pollutant treatment velocity is rapid, and pollutant diffusion is not easily caused.

The invention discloses a portable second-hand smoke purification device, and relates to the technical field of smoke purification. The portable second-hand smoke purification device comprises a shell and an inner cavity formed by the shell, the shell comprises an upper shell and a lower shell, and a base is arranged at the bottom end of the lower shell; the inner cavity is divided into an upper containing cavity and a lower containing cavity communicating with the upper containing cavity, a structural part is arranged between the upper containing cavity and the lower containing cavity, and a detachable filter screen is arranged on the structural part; and a fan is arranged in the lower containing cavity, a catalyst module is arranged at the bottom of the lower containing cavity, an air inlet is formed in the top of the upper shell, and an air outlet is formed in the side wall of the lower shell and located between the catalyst module and the base. According to the portable second-hand smoke purification device, by arranging the catalyst module, oxygen in air is catalyzed and oxidized to generate free radicals with high oxidizing capacity, nicotine, ammonia and other harmful gases are rapidly oxidized and decomposed, harm of second-hand smoke to a human body is reduced, and the portable second-hand smoke purification device is simple in structure, convenient to operate and high in practicability.

Disclosed is a water quality purification method for a eutrophicated river, comprising the follow steps: first, blocking a eutrophicated river and forming an upstream part, a midstream part, and a downstream part; then entering the water in the upstream part into an electrolysis machine for electrolysis; discharging the electrolyzed water into the midstream part, and performing aeration treatment; lastly, letting the aerated water flow into the downstream part. By using a method of an electrolysis process and an aeration process in sequence, the algae growth in the water and the anaerobic reactions in the water body are effectively inhibited, organic matters are decomposed, the total nitrogen, total phosphorus, and color of the water are lowered, odors are eliminated, river water quality is improved within a relatively short period, and the water ecological system is restored. Also disclosed is a river water quality purification device, comprising a rubber dam, a pump, an electrolysis machine, and an aeration device. The device can be directly installed in the river and can directly purify river water without the need to guide the river into a pre-set structure for treatment. The present invention makes almost no change to the environment, and therefore has a relatively small impact on the natural environment.

The invention relates to the field of deodorizer application, in particular to a deodorizing method by matching a microbial deodorizer with fog gun equipment. The method comprises the following steps of deodorizer preparation, equipment installation, deodorizer adding, spraying liquid preparation and spraying. The invention aims at providing the deodorizing method by matching the microbial deodorizer with the fog gun equipment. The microbial deodorizer is automatically sprayed to a refuse landfill through the fog gun equipment; in addition, the spraying time, the spraying quantity and the size of sprayed fog drops can be well and automatically controlled; and then, the microbial deodorizer fog drops can sufficiently react with odor molecules; a great number of deodorizers and labor can be saved; a good deodorization effect is achieved.

The invention, which belongs to the technical field of surface treatment of a high molecular material, relates to a method for rapidly removing a high-temperature-resistant fiber polyimide coating layer with low damage. With laser radiation, the temperature of acid liquor at the surface of a coating layer rises quickly and the acid liquor boils; and because of the boiling acid liquor, the polyimide coating layer is processed by oxygenolysis rapidly; and thus an objective of removing the coating layer rapid and completely is achieved. With the method provided by the invention, a coating layer at the end of a fiber as well as a coating layer with any length at any part in the middle of the fiber can be removed quickly; and the surface damage of the fiber core layer by the instantaneous high temperature can be reduced. The coating layer removing speed is fast and the acid liquor amount is reduced; and the operation becomes secure. The method has the high application potential by being compared with other same kinds of methods in related fields like fiber grating sensor packaging and fiber grating writing and is suitable for precise removing of a polyimide coating layer of a high-temperature-resistant fiber.

The invention discloses a composite flocculant for quick treatment of coke quenching wastewater and a use method thereof. The composite flocculant consists of a catalyst main body and an oxidant mainbody, wherein the catalyst main body is a trivalence iron ion, the oxidant main body is a hypochlorite ion, and the molar ratio of the trivalence iron ion to the hypochlorite ion is 1:5; the trivalence iron ion is selected from one of polyferric sulfate, ferric oxide and the like; the hypochlorite ion is selected from chloride gas and deriavative thereof, and one of hypochlorite, chlorate, chlorine dioxide and the like. The composite flocculant has the advantages that the catalytic oxidation function is utilized, the oxidative reduction reaction is generated with the wastewater, and the organic matters are quickly oxidized and decomposed; the prepared composite flocculant can be used for quickly treating the coke quenching wastewater, the supernatant of the treated coke quenching wastewater can meet the requirements of 4.1.5 in national Emission Standard of Pollutants for Coking Chemical Industry (GB 16171-2012), and be used for the repeated dosage quick treatment process after coke quenching, and the purpose of recycling of the coke quenching wastewater is realized.

The invention discloses a high-fluidity high-impact-resistance polypropylene material which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activating agent. The mixed high-density polyethylene component is added, so that the elongation at break of the prepared product is increased, high performance can be kept in a low-temperature environment, meanwhile, the low-temperature resistance of the product is improved by adding the linear low-density polyethylene, the low-temperature resistance is close to the low-temperature resistance, the fluidity is improved, and the elastic composite material is matched for mixing and toughening, so that the product can maintain high impact strength and elongation at break in a low-temperature environment, and the addition of the light stabilizer avoids rapid oxygenolysis of tertiary carbon atoms, so that the weather resistance of the product is improved.

The invention discloses a photocatalytic reaction tank. The photocatalytic reaction tank comprises a reaction tank, wherein the upper end of the reaction tank is opened; the opening position of the upper end of the reaction tank is buckled with an upper sealing cover; the bottom part of the reaction tank is welded with support legs; the inner side of the reaction tank is welded with a horizontally-arranged solid-state garbage bearing plate; water leakage holes, of which the upper parts and the lower parts penetrate through each other, are uniformly formed in the solid-state garbage bearing plate; solid-state garbage falls down due to self-weight and a combined action with shifting forks, the scattering effect on the solid-state garbage which are stacked together can be realized, and the solid-state garbage which is dispersed simultaneously can be irradiated by ultraviolet lamp preferably, so that a photocatalyst in the solid-state garbage produces stronger oxidizability, quick oxidative decomposition of organic wastes in the solid-stage garbage can be realized, and the influence on the solid-state garbage caused by organic wastes can be avoided.

The invention discloses the design and manufacturing of functional fiber materials in the field of textile materials, relates to preparation of a fibrous heterogeneous Fenton reaction catalyst, in particular to a manufacturing method for fibers which can catalyze an oxidant (such as hydrogen peroxide and ozone), rapidly and efficiently oxidize and decompose a variety of dyes, and can be reused and be easily separated from water. The manufacturing method uses the technologies of precipitation polymerization, wet spinning, permeability enhancement, iron ion complexation, thermal crosslinking and the like comprehensively, and the obtained fibers can be used for treating dye wastewater and other water bodies containing organic matter. Compared with the existing heterogeneous Fenton reaction catalyst, the obtained fibers have better treatment effects on dye wastewater and the other water bodies containing organic matter. Compared with the Fenton reaction catalyst prepared by the fibers of the same type wet spinning method, the obtained fibers can efficiently oxidize and decompose organic matters at a very high speed to rapidly and effectively purify the water bodies, and simultaneously improve the reusability significantly and reduce the application cost, thereby meeting industrial practical requirements.

The invention discloses the design and manufacture of functional fiber materials in the field of textile materials, and relates to the preparation of a fibrous heterogeneous Fenton reaction catalyst, specifically a catalytic oxidant (such as hydrogen peroxide, ozone, etc.) for rapid and efficient oxidative decomposition. Method for making multi-dye, reusable fibers that are easily separated from water bodies. This manufacturing method comprehensively uses technologies such as precipitation polymerization, wet spinning, permeability improvement, iron ion complexation, and thermal cross-linking. The resulting fiber can be used to treat water containing organic matter such as dye wastewater. Compared with the existing heterogeneous Fenton reaction catalyst, the obtained fiber has better treatment effect on water containing organic matter such as dye wastewater. Compared with the Fenton reaction catalyst made from the same type of wet spinning fiber, it can treat extremely fast and efficient It oxidizes and decomposes organic matter to achieve rapid and effective purification of water bodies. At the same time, the reusability is significantly improved and the application cost is reduced. Therefore, it better meets the requirements of industrial practicality.

The invention relates to a method for removing effluent chromaticity of excrement waste water by biochemical treatment by virtue of catalytic oxidation of active carbon, ultraviolet rays and ozone. The waste water with other indexes meeting the toilet flushing water quality requirements of Urban Sewage Reutilization Urban Miscellaneous Water Quality after the chromaticity being removed by virtue of the biochemical treatment, and the method comprises the steps of primary discoloration treatment and secondary discoloration treatment. The method provided by the invention is simple in operation, high in efficiency, low in cost, free from secondary pollution, and good in economic benefit, environment benefit and social benefit.

The invention, which belongs to the technical field of surface treatment of a high molecular material, relates to a method for rapidly removing a high-temperature-resistant fiber polyimide coating layer with low damage. With laser radiation, the temperature of acid liquor at the surface of a coating layer rises quickly and the acid liquor boils; and because of the boiling acid liquor, the polyimide coating layer is processed by oxygenolysis rapidly; and thus an objective of removing the coating layer rapid and completely is achieved. With the method provided by the invention, a coating layer at the end of a fiber as well as a coating layer with any length at any part in the middle of the fiber can be removed quickly; and the surface damage of the fiber core layer by the instantaneous high temperature can be reduced. The coating layer removing speed is fast and the acid liquor amount is reduced; and the operation becomes secure. The method has the high application potential by being compared with other same kinds of methods in related fields like fiber grating sensor packaging and fiber grating writing and is suitable for precise removing of a polyimide coating layer of a high-temperature-resistant fiber.

The invention relates to a method of treating printing and dyeing wastewater through flocculation oxidation, which comprises the following steps: adding a Co (III) phosphate coordination compound and an oxidizing agent into the printing and dyeing wastewater, stirring, decoloring, static settlement or settling to obtain the treated printing and dyeing wastewater. According to the method, disclosed by the invention, the adding and reaction sequences of various reagents are not needed to consider; the method can be realized through conventional equipment and devices, and special modification is not needed for the equipment; the method can be carried out on natural conditions without illumination.

The invention belongs to the technical field related to radioactive waste treatment, and discloses a method for treating radioactive mixed ion exchange resins by using a Fenton-like oxidation method. The method includes the following steps: combining radioactive mixed ion exchange resins with acidified Fe 2+ solution or Fe 2+ / Cu 2+ The mixed solution is placed in the reaction vessel at the same time, and then H is added to the reaction vessel 2 o 2 solution to initiate a Fenton-like reaction while adding acidified Fe 2+ solution or Fe 2+ / Cu 2+ mixed solution, whereby Fe 2+ or / and Cu 2+ with the H 2 o 2 The oxidizing free radicals generated by the solution reaction oxidize and degrade the mixed resin. The method provided by the invention has mild operating conditions, and does not require additional treatment of the resin before the reaction. The waste resin is completely decomposed without secondary pollution. The decomposition residue is clear and transparent, and there is almost no solid residue in the end. It is economically feasible and has good application prospects.

The invention discloses an ecological restoration system for reclaimed water of a sewage treatment plant used for ecological replenishment of rivers and lakes. The heights of the bottom of the first step, the bottom of the second step and the bottom of the third step decrease successively. On the bottom of the first stage, there is an enhanced interception and degradation zone for pollutants; on the bottom of the second stage, there is an ecological conservation area; on the bottom of the third stage, there is a three-dimensional ecological restoration area. The restoration area is filled with water bodies, and the enhanced pollutant retention and degradation area, the ecological conservation area and the three-dimensional ecological restoration area are successively connected by low overflow dams. The enhanced interception and degradation area of ​​pollutants is connected to the outfall of the sewage treatment plant, and the three-dimensional ecological restoration area is connected to rivers and lakes. The entire ecological restoration system carries out ecological maintenance in stages, and there are different solutions for different stages and different environmental characteristics.

A method for treating refined cotton black liquor by using residual alkali and residual heat. The invention fully utilizes the residual heat and residual alkali after cooking cotton linters to activate PS / PMS to produce SO with strong oxidation activity. 4 － · and HO · can efficiently and quickly oxidize and decompose macromolecular organic pollutants in black liquor. The refined cotton black liquor is first adjusted in temperature and pH and then added with PS / PMS solution. The PS / PMS in the reaction tank is quickly activated by the waste heat and alkali in the refined cotton black liquor to produce strong oxidizing SO 4 － ·and HO·, under the agitation of the refined cotton black liquor in the reaction tank, the SO 4 － · and HO · can fully react with the macromolecular refractory organic matter in the refined cotton black liquor, so that the macromolecular organic pollutants are decomposed into small molecular organic matter, carbon dioxide and water, and the efficient removal of organic pollutants is realized.

The invention discloses an oxidation treatment device for biopharmaceutical residues, comprising a bottom plate, the top of the bottom plate is fixedly connected with a treatment box and a mixing box in turn from left to right, and the top of the right side of the treatment box is fixedly connected with a protection box, The inside of the protection box is fixedly connected with a U-shaped tube, and one end of the U-shaped tube runs through the bottom of the protection box and extends to the bottom of the protection box. A first support plate and a second support plate are fixedly connected in sequence. The present invention relates to the technical field of oxidation devices. The oxidation treatment device for biopharmaceutical residues uses the cooperation of the water pump and the outlet pipe to discharge the solution into the U-shaped pipe at high speed. The set guide plate makes the solution flow in a spiral shape, speeds up the mixing of the residue and the reactant, and is beneficial to the rapid oxidation and decomposition of the residue.

The invention discloses a degreasing method for a photocuring additive manufacturing precious metal green body, which relates to the technical field of additive manufacturing. The method is used for solving the problems that when precious metal green bodies are degreased, due to the fact that a large number of organic matter in the green bodies cannot be effectively removed, the green bodies are prone to bubbling, cracking and deformation. The method comprises steps that a noble metal green body is put into a porous crucible provided with ceramic powder or ceramic balls; the porous crucible is placed in a tubular sintering furnace, ozone gas is introduced into the tubular sintering furnace, the tubular sintering furnace is heated to 500-550 DEG C at the heating rate of 0.5-3 DEG C / min, after heat preservation is conducted for 1-2 h, the green body is degreased, and the precious metal degreased blank is obtained.

The invention discloses a device and method for repairing soil and preventing pollutant diffusion. The device comprises an in-situ pressurization component, an electrode dialysis component and an aftertreatment component. Firstly, injecting a mixed oxidant of hydrogen peroxide dry mist and low-temperature plasma air into polluted soil in an injection pressure mode, then organic pollutants in the soil can be rapidly oxidized and decomposed, and pollutant diffusion can be also effectively prevented by a low-temperature mode. The device is also provided with an electrode zone, the pollutants canbe in directed migration along with ions by using an electrolysis method, a dialysis layer is also arranged on the inner side of an electrode net, and sucked and accumulated pollutants can be baffledby using three-dimensional filtering cotton and can be further oxidized and decomposed through persulfate, so that the removal efficiency of the pollutants in the soil can be greatly improved. In a word, the device has the advantages that the structure is simple, the in-situ pollutant treatment velocity is rapid, and pollutant diffusion is not easily caused.