307 results about "Chlorine dioxide" patented technology

The invention belongs to the technical field of oil and gas development, and particularly relates to an oil and gas well blocking remover and a preparation method thereof. The blocking remover comprises the following components: 5-8% of low-carbon composite organic acid, 5-7% of fluoboric acid, 6-9% of ammonium bifluoride, 4-6% of an anti-acid sludge mutual solvent, 2-4% of a corrosion inhibitor, 2-4% of polyoxypropylene polyoxyethylene propylene glycol ether, 8-12% of a permeation dispersion surfactant, 2-5% of a sulfur dissolving agent, 2-5% of a stable chlorine dioxide solution and the balance of water. The preparation method comprises the following steps: adding the low-carbon composite organic acid, the fluoboric acid and the ammonium bifluoride into water and stirring; adding an acid sludge resisting mutual solvent and a sulfur dissolving agent, and stirring; adding the corrosion inhibitor, the polyoxypropylene polyoxyethylene propylene glycol ether and the permeation dispersion surfactant, and stirring; and finally, reducing the stirring speed, adding the stable chlorine dioxide solution, and stirring to uniformly mix. The blocking remover provided by the invention is comprehensive in blocking removal function, very good in dissolving and dispersing performance on complex blocking substances, very small in corrosion damage to a shaft pipe wall and wide in applicability.

The invention discloses a material supplementing mechanism, and relates to the technical field of air disinfection machines, the material supplementing mechanism comprises a box body assembly, the box body assembly is internally provided with the material supplementing mechanism, the material supplementing mechanism is convenient to disassemble and assemble through a shifting ring and an embedded ring which are clamped and arranged on the material supplementing mechanism, so that a chlorine dioxide tablet consumable bag can be conveniently installed on the embedded ring, and the material supplementing mechanism is convenient to use. When the stirring ring is stirred by the feeding assembly for feeding, the embedded ring in the stirring ring also rotates along with the stirring ring, so that the chlorine dioxide tablets in the consumable bag can be conveyed to the feeding position, the automatic feeding function is achieved, the requirement for storing the chlorine dioxide tablet consumable bag is met, meanwhile, automatic feeding can be carried out when the chlorine dioxide tablet consumable bag is used again after one-time use is finished, and the feeding efficiency is improved. Therefore, after a chlorine dioxide tablet consumable bag is put into the device, materials can be automatically supplemented for subsequent multiple sterilization operations, the use function of the device is further expanded, and great convenience is provided for a user.

The invention discloses a preparation method of a slow-release solid preservative, and relates to the field of fruit preservation, and the preservative is prepared from the following raw materials in parts by weight: 5-8 parts of chitosan, 2-4 parts of carrageenan, 1-5 parts of sodium citrate, 2-3 parts of silicon dioxide, 3-4 parts of 1-methylcyclopropene, 2-3 parts of chlorine dioxide, 1-2 parts of water and 3-6 parts of baking soda. The preservation method of the slow-release solid preservative comprises the following steps: loading the solid preservative in a non-woven bag, placing the non-woven bag in a foam box or a packaging bag loaded with fruits, and sealing the foam box or the packaging bag. The baking soda in the preservative releases carbon dioxide, 1-methylcyclopropene and chlorine dioxide, and meanwhile, the physiological metabolism of the fruits and the generation of ethylene are effectively inhibited, and pathogenic bacteria are killed, so that the shelf life of the fruits is prolonged.

The present application relates to the technical field of disinfection robot, especially to a gaseous chlorine dioxide air disinfection robot working method, comprising S1, the robot is powered on and is in standby state; S2, the robot receives control instruction and enters working mode; S3, the controller controls the fan to enter the set power work, extracts the set volume of liquid in the main water tank 1 into the reaction pool through the second water pump, puts the set dose of chlorine dioxide solid medicament into the reaction pool through the medicament putting mechanism, releases the gas into the liquid in the reaction pool through the air pump, and the fan and the air pump work for the set time; S4, after the robot works for the set time, the controller controls the fan to run at low speed or be closed, the air pump is closed, all the liquid in the reaction pool is extracted into the main water tank through the first water pump, and the robot enters the standby state. Through the method, the space is actively disinfected in all directions, the environment is completely disinfected, and the disinfection efficiency is improved.

The invention provides a stable chlorine dioxide effervescent tablet and a preparation method thereof, and relates to the technical field of chlorine dioxide effervescent tablets, the stable chlorine dioxide effervescent tablet comprises the following components by weight: 50-100 parts of a chlorine dioxide releasing agent, 200-500 parts of an effervescing agent, 50-150 parts of a stabilizer, 20-80 parts of an adhesive, 10-50 parts of a wetting agent, and 50-150 parts of beta-cyclodextrin. According to the invention, through partitioned weighing and humidity adjustment of the releasing agent and the effervescing agent and by adopting a constant-temperature space and periodic humidity monitoring technology, accurate control and uniform adjustment of humidity are realized, and instability of raw materials in storage and reaction processes is reduced. A specific humidity control range and an electrostatic environment regulation measure are adopted in the mixing stage, so that the interference of electrostatic accumulation on the granulation process is effectively reduced, and the granulation uniformity and the material distribution stability are improved.

The invention provides a test device and method for evaluating chlorine resistance of a material. The test device comprises a water treatment unit; a chlorine dioxide generating unit; the storage tank is used for mixing the purified water and the chlorine dioxide therein to form a test solution; the test system comprises a water tank and a test unit, the test unit comprises at least one sample rack and a test device, the sample rack is used for fixing a test sample, and the test device is used for monitoring the performance of the test sample; the circulating system comprises a circulating pipeline and a circulating pump, the circulating pipeline is used for communicating the storage tank with the water tank to form a circulating path, and the circulating pump is used for enabling the test solution to circularly flow in the circulating path; and the wastewater treatment unit is communicated with the circulating pipeline and is used for reducing the test solution separated from the circulating pipeline and discharging the test solution out of the device. The test device is provided with the circulating system, so that various parameters of the test solution can be kept stable, and meanwhile, the operability, the safety and the environmental protection are obviously improved.

The utility model discloses a grain storage system applying chlorine dioxide, which comprises a granary, a first gas dispersion mechanism, a second gas dispersion mechanism, a circulation pipeline and a chlorine dioxide generator, the first gas dispersion mechanism comprises a main gas pipe and a plurality of gas dispersers, the main gas pipe is arranged at the top in the granary, one end of each gas disperser is connected with the main gas pipe, and the other end of each gas disperser is connected with the circulation pipeline. An air outlet pipe is arranged at the other end; the second gas dispersion mechanism comprises a conveying pipeline and a plurality of dispersion pipelines, the conveying pipeline is arranged at the bottom in the granary and distributed along the inner circumferential wall of the granary, the dispersion pipelines are arranged at the bottom in the granary, the conveying pipeline is arranged around the dispersion pipelines, the two ends of the dispersion pipelines communicate with the conveying pipeline, and the dispersion pipelines are provided with a plurality of gas outlet ports; one end of the circulation pipeline communicates with the main air pipe, the other end of the circulation pipeline communicates with the conveying pipeline, and the circulation pipeline is provided with a circulation fan. The grain storage system applying chlorine dioxide provided by the embodiment of the utility model can improve the gas diffusion efficiency.

The invention discloses an intelligent quintuplet cooperative plasma self-purification robot long-term storage system and a self-adaptive disinfection control method. According to the system, cold plasma, ozone, chlorine dioxide, self-generated nitric oxide and a charge self-purification jump effect are fused, and a dynamic self-purification system with an electric field-gas field-chemical field-intelligent field-thermal field five-dimensional synergistic energy field is constructed. The robot adopts a three-section structural layout and a multi-mode self-adaptive propulsion mechanism, environmental parameters are sensed through AI, discharge power and oxidant release are intelligently regulated and controlled, and precise sterilization, toxicity reduction and mildew prevention in a multi-medium environment are achieved. The system can generate various high-energy active species containing. OH, O, NO, ClO, ONOO and the like, chain splitting decomposition and oxidation mineralization are carried out on mold spores, bacterial cells, aflatoxin and the like, the sterilization rate reaches 99.995%, and the toxin degradation rate exceeds 98%. The system has the characteristics of no residue, low energy consumption, long-acting self-maintenance and the like, is suitable for multiple scenes of grain storage, traditional Chinese medicinal materials, cold chains, farmland, public health and the like, and realizes an intelligent, continuous and chemical-additive-free green storage and dynamic purification system.

The invention relates to the technical field of disinfectants, in particular to a production method of a low-corrosion chlorine dioxide disinfectant, which comprises the following steps: dropwise adding a sodium hydroxide solution, monitoring the pH value, adjusting the pH value to 8-10, maintaining stirring for 5 minutes, checking solubility and temperature, collecting precipitate particles, and filtering to remove the precipitate particles to obtain an alkaline mixed solution. According to the invention, the pH value is monitored and regulated to an alkaline interval to execute solubility inspection, so that the property control of the mixed solution is realized; on the basis of combined treatment of nanometer titanium dioxide photocatalysis and radio frequency discharge, the content of free radicals is multiplied, and the oxidation activity is improved; a silane coupling agent is combined to treat nano zirconium oxide and put into a system, the temperature is adjusted, the dispersion state is monitored, and the dispersion stability is guaranteed; the pH value and the oxidation-reduction potential are continuously monitored, foam separation and the chlorine content are controlled, and the quality of an intermediate solution is ensured; regulating and controlling the adding amount and the pH value of hydrochloric acid, monitoring gas escape, and screening out impurities to obtain a high-purity isolate.

The invention provides a single / double metal atom modified covalent organic framework catalytic material and a preparation method and application thereof, and belongs to the technical field of Fenton-like method wastewater treatment, 1, 3, 5-triformyl phloroglucinol and 2, 2 '-bipyridine-5, 5'-diamine are used for preparing TB-COF, the TB-COF is used for preparing TB-COF, the TB-COF is used for preparing TB-COF, and the TB-COF is used for preparing TB-COF. One or two metals of iron, manganese, cobalt or nickel are modified to obtain the single / double metal atom modified covalent organic framework catalytic material, and the application of the material in treatment of micropollutants in a water body is also provided. The single / double metal atom modified covalent organic framework catalytic material provided by the invention has relatively high reaction activity, is an excellent Fenton-like catalytic active material, can generate various active oxygen species and chlorine dioxide after being in contact with chlorite, has the removal efficiency of more than 75% on various water body micro-pollutants, and can be used as a catalyst for treating water body micro-pollutants. And after multiple cycles, high catalytic activity and good structural integrity can still be maintained.

The utility model relates to the technical field of feeding equipment, in particular to chlorine dioxide feeding equipment, which is characterized in that moving wheels are arranged on a moving seat, a handle is fixedly mounted on the moving seat, a feeding port is arranged on one side of a feeding box, a plug pulling device is mounted on the feeding box, a fixed rod is fixedly mounted on the moving seat, and a mounting frame is sleeved on the outer side of a threaded sleeve. The screw sleeve is installed on the fixing rod in a sliding mode, the lifting assembly drives the screw sleeve to ascend and descend, the connecting rod is rotationally installed on the screw sleeve through the rotating assembly and fixedly connected with the feeding box, and under driving of the lifting assembly and the rotating assembly, the connecting rod can drive the feeding box to ascend, descend and rotate to be adjusted; therefore, rotation adjustment on the basis of lifting adjustment of the feeding box is achieved, the feeding box can be prevented from colliding with a preparation container through rotation during descending, and feeding of the feeding box is more convenient.

The utility model discloses a chlorine dioxide solution filling device, and particularly relates to the technical field of solution filling, the chlorine dioxide solution filling device comprises a rack, a conveying belt is arranged on one side of the rack, a supporting frame is fixedly arranged on the top of the rack, an adjusting mechanism is arranged at the bottom of the supporting frame, and the adjusting mechanism comprises an electric telescopic rod fixedly arranged at the bottom of the supporting frame; a movable plate is fixedly arranged at the output end of the electric telescopic rod, T-shaped sliding blocks are fixedly arranged on the two sides of the movable plate, a sliding groove is formed in the supporting frame, the T-shaped sliding blocks are slidably connected with the sliding groove, a distribution box is fixedly arranged at the bottom of the movable plate, and a plurality of filling heads are arranged at the bottom of the distribution box in a penetrating mode. The automatic filling device can be flexibly matched with containers with different heights, the filling amount is accurately controlled, all the components cooperate to achieve automatic filling, the production efficiency and the filling quality are effectively improved, a filling bottle can be stably fixed, three-dimensional stirring of a solution is achieved, and it is ensured that the concentration is uniform.

The utility model relates to the technical field of chlorine dioxide equipment, in particular to a chlorine dioxide generating device which comprises a reaction tank, a first accommodating part, a second accommodating part, a liquid level sensor and a controller, the first accommodating part and the second accommodating part convey corresponding solutions to the reaction tank; the liquid level sensor measures the liquid levels of solutions in the first containing part and the second containing part in real time and sends the liquid levels to the controller in real time; the controller receives data of the liquid level sensor and judges whether the hydrochloric acid solution and the sodium chlorate solution are conveyed normally or not according to a preset threshold value or a proportional relation, and when the controller detects that the liquid level data are abnormal, the controller can control the alarm unit to send out an alarm signal, so that workers are reminded to debug, maintain or replace equipment; the liquid level of hydrochloric acid and sodium chlorate solutions is monitored in real time through the liquid level sensor, problems are found in time, accurate conveying of hydrochloric acid and sodium chlorate is ensured, the synthesis efficiency of chlorine dioxide is improved, and raw material waste caused by unbalanced conveying proportion is reduced.

The invention relates to the technical field of chlorine dioxide monitoring, and discloses a disinfection tank monitoring point selection method which comprises the following steps: arranging a disinfection tank containing dosing pipes in different forms and a simulation model of water flow flowing and chlorine attenuation in the disinfection tank; simulating each simulation model to obtain a concentration cloud picture of each simulation model; dividing the galleries of the disinfection tanks with the chlorine decay speed exceeding a set decay threshold value in each simulation model into a plurality of monitoring point areas to be selected in equal proportion; based on the concentration cloud pictures of the plurality of to-be-selected monitoring point position areas, selecting the to-be-selected monitoring point position area with the minimum chlorine concentration range as an initial monitoring area; comparing the initial monitoring areas of the dosing pipes in various forms, and selecting the initial monitoring area of the dosing pipe with the minimum chlorine concentration range as a final monitoring area; and changing the parameters of the dosing pipe corresponding to the final monitoring area, so that the chlorine concentration range of the final monitoring area is converged. According to the invention, the monitoring point position of the disinfection tank can be scientifically selected.

The utility model relates to the technical field of chlorine dioxide disinfectant production, and aims to provide a multi-point sampling device in the production process of chlorine dioxide disinfectant. Firstly, a fixed plate is placed on a chlorine dioxide disinfectant storage place, and the device is fixed through a fixed hole. By turning a rotating handle, a threaded shaft is rotated, and then an internal threaded sleeve is movable. By a connecting block, when the threaded shaft rotates, the internal threaded sleeve does not rotate with the rotation of the threaded shaft, but can only move up and down on the threaded shaft, thereby driving the movable plate to move, and then driving the sampling box to move up and down, and then the elasticity of the sealing spring is adjusted by twisting an adjusting nut, thereby realizing the opening of different sealing plugs according to different pressures, thereby realizing the sampling work of chlorine dioxide disinfectants of different depths, and finally realizing the sampling of chlorine dioxide disinfectants of different depths, thereby greatly improving the accuracy of sampling detection.

The utility model relates to the field of disinfectant production and processing, in particular to an online chlorine dioxide generator. The utility model provides an on-line chlorine dioxide generator capable of enabling reaction ions to fully collide to participate in reaction. The chlorine dioxide on-line generator comprises a reaction kettle and a PLC (Programmable Logic Controller), and the PLC is arranged at the upper part of the front side of the reaction kettle; the PLC is connected with all the mechanisms through the wires; the two sides of the reaction kettle penetrate through the kettle wall and are provided with the vibration mechanisms capable of enabling reaction liquid in the reaction kettle to collide with each other through vibration; the upper parts of the left side and the right side of the reaction kettle penetrate through the kettle wall and are provided with the electric control proportional valves capable of accurately controlling the total amount of reaction raw materials and the ratio of the raw materials. During use, the electronic control proportional valve accurately controls the total amount and proportion of raw materials, and meanwhile, the vibration mechanism drives reaction liquid in the reaction kettle to collide with each other, so that the reaction degree within a certain time is improved.

The invention provides chlorine dioxide nano-carrier encapsulation integrated equipment and an operation method thereof, and belongs to the technical field of mechanical equipment. The problems that the manufacturing procedure cannot be completed in the one-time conveying process in the existing nano-carrier production, and the production time is long are solved. According to the chlorine dioxide nano-carrier encapsulating integrated equipment and the operation method thereof, the integrated equipment comprises mixing and stirring equipment and encapsulating equipment, the mixing and stirring equipment is arranged on the left side of the encapsulating equipment, and raw materials are mixed, stirred and processed through the mixing and stirring equipment and then encapsulated through the encapsulating equipment. The method has the advantage that the machining efficiency is improved.

The utility model provides an organic wastewater advanced treatment system based on Fenton oxidation reaction, and relates to the field of wastewater treatment. The organic wastewater advanced treatment system based on the Fenton oxidation reaction comprises a Fenton oxidation module, an advanced oxidation module, a neutralization and flocculation module and a precipitation module which are connected in sequence, the Fenton oxidation module is communicated with the deep oxidation module through a pipeline, the Fenton oxidation module is provided with a water inlet pipe, a first adding point and a second adding point, the first adding point is used for adding ferrous sulfate, the second adding point is used for adding hydrogen peroxide, the deep oxidation module is provided with a third adding point, and the third adding point is used for adding chlorine dioxide; the deep oxidation module, the neutralization and flocculation module and the precipitation module are co-constructed, and the common wall slots of every two adjacent modules are communicated. The system can effectively remove non-biodegradable substances in wastewater in industries such as printing and dyeing, pulping and papermaking and the like, and reduces the generation of chemical sludge at the same time.

Disclosed in the present invention are a pharmaceutical chlorine dioxide antimicrobial liquid agent, a preparation method therefor, and use thereof. The pharmaceutical chlorine dioxide antimicrobial liquid agent comprises: a solvent and chlorine dioxide gas infused into the solvent, wherein the concentration of chlorine dioxide in the pharmaceutical chlorine dioxide antimicrobial liquid agent is 5000 mg / L-10000 mg / L. According to the pharmaceutical chlorine dioxide antimicrobial liquid agent, the preparation method therefor, and the use thereof provided by the present invention, the obtained pharmaceutical chlorine dioxide antimicrobial liquid agent has high concentration, good stability, and high purity, meeting the requirements for the use of the pharmaceutical chlorine dioxide antimicrobial liquid agent as a pharmaceutical product.

The present application provides a composition containing chlorine dioxide and a method for preparing chlorine dioxide tablets. The composition comprises a chlorine dioxide precursor, a stabilizer, and a corrosion inhibitor. The stabilizer is selected from one or more of hydroxypropyl-β-cyclodextrin, sodium hexametaphosphate, sodium silicate, and boron nitride. After the composition is made into tablets and activated, the resulting solution has good stability and can be stored stably for 6 months, and has low corrosion to metals, which can well solve the problems that the solution after activation of existing chlorine dioxide tablets is not easy to store and has strong corrosion to metals.

The present application relates to a kind of mixing device, belong to slow-release purification technical field.The mixing device includes container main body, bottle body and medicament bin arranged in order from below to above in container main body inside, and adjusting piece and upper cover arranged in order from below to above in the upper portion of container main body outside;Liquid medicament is contained in bottle body;Medicament bin contains solid powder medicament, liquid medicament and solid powder medicament mix to produce the gas needed to use.The mixing device is stored and placed by ingenious structure design when not being used, solid powder medicament and liquid medicament can be stored for a long time;When using, only need to press simply, the mixing of solid powder medicament and liquid medicament can be realized quickly, present preparation present use, simultaneously open gas passage, slowly release gas to outside, realize sterilization, remove aldehyde, remove peculiar smell and other functions.The opening of the mixing device can be adjusted.The overall structure is simple and ingenious, effectively prolongs service life;Especially suitable for chlorine dioxide.

The utility model discloses a gel box for purifying air. The gel box comprises a tank body (1) and a tank cover (3), a first chamber (4) and a second chamber (5) are arranged in the tank body (1); and the first chamber (4) and the second chamber (5) are not communicated with each other. According to the gel box capable of purifying the air, the first cavity (4) and the second cavity (5) in the tank body (1) are used for containing chlorine dioxide gel or gel and perfume with fragrance, the first cavity (4) and the second cavity (5) are not communicated with each other, so that the gel and the perfume with fragrance cannot be decomposed by the chlorine dioxide gel, and therefore the gel box capable of purifying the air can be used for purifying the air. The smell in the air is improved through the fragrance emitted by the perfume or the gel with fragrance.

The invention discloses a chlorine dioxide generating device, which comprises a plurality of storage tanks, a plurality of gas-liquid separation devices, a gas-liquid separation device, a gas-liquid separation device and a gas-liquid separation device, the first-stage reaction chamber is respectively connected with the plurality of storage tanks through a plurality of metering pumps by virtue of pipelines, and / or the second-stage reaction chamber is respectively connected with the plurality of storage tanks through a plurality of metering pumps by virtue of pipelines; the diluter is used for diluting a diluent and a high-concentration chlorine dioxide solution generated in the first-stage reaction chamber and / or the second-stage reaction chamber in proportion to generate a chlorine dioxide solution; the controller is electrically connected with the first-stage reaction chamber and / or the second-stage reaction chamber, the controller controls the metering pump connected with the first-stage reaction chamber and / or the metering pump connected with the second-stage reaction chamber to be started according to the target chlorine dioxide yield, and the raw materials in the storage tank are conveyed into the first-stage reaction chamber and / or the second-stage reaction chamber to generate chlorine dioxide. And controlling the diluter to dilute and mix the chlorine dioxide and the diluent to generate a chlorine dioxide solution. The multi-stage reaction chambers are designed, so that the controller can switch the connection modes according to the target yield, the requirement of high-efficiency production can be met, and the requirement of high yield can also be met.

The invention relates to an impurity removal method of a chlorine dioxide vertical generator, which comprises the following steps: adding first pure water and a sodium hypochlorite solution into the chlorine dioxide vertical generator, continuously boiling under a vacuum condition, cooling and discharging liquid; washing with second pure water and discharging liquid; the boiling temperature is lower than 80 DEG C. Different from the prior art, the technical scheme provides a mode for efficiently removing impurities in a mode that the sodium hypochlorite solution is boiled at the temperature lower than 80 DEG C, the boiling temperature in the mode is lower than the efficient decomposition temperature 80 DEG C of hypochlorite, the hypochlorite is high in stability, the decomposition amount is small although the hypochlorite is boiled, and therefore the impurity removing efficiency is higher; the chlorine dioxide vertical generator impurity removal device has the advantages of simple and effective impurity removal of the chlorine dioxide vertical generator, no residue, reduction of the decomposition of chlorine dioxide, and improvement of the production efficiency and the production safety.

To provide an apparatus for generating chlorine dioxide capable of reducing components to be used.SOLUTION: In an apparatus for generating chlorine dioxide 1, a sodium chlorite solution 5 and fumed silica 7 are mixed in a container 3 to generate chlorine dioxide.SELECTED DRAWING: Figure 2

The invention discloses a pulping method of bleached chemical pulp, which comprises the following steps: (A) adjusting the concentration of pulp after cooking reaction with water, and adding bio-enzyme and oxidizing compound for oxygen removal reaction to obtain pulp after oxygen delignification; (B) bleaching the paper pulp subjected to oxygen delignification with chlorine dioxide to obtain bleached paper pulp; (C) carrying out alkali extraction on the bleached paper pulp to obtain the bleached chemical pulp, the biological enzyme is one or more of xylanase, hemicelluloses hydrolase, laccase, fiber oxidase, lignin peroxidase and multifunctional peroxidase. According to the method, specific bio-enzyme is added in an oxygen removal section, a common oxygen removal section is converted into bio-enzyme and oxygen bleaching delignification, delignification of a rear section is selectively improved, the load of front-section cooking can be released, the use amount of caustic soda for oxygen removal and cooking is reduced, and the production cost is reduced. Meanwhile, the oxygen removal efficiency, the subsequent bleaching efficiency and the sustainable production level of the paper pulp can be improved.

The invention relates to a remediation material for degrading organic contaminated soil by coupling manganese dioxide loaded biochar with chlorine dioxide and a preparation method and a remediation method of the remediation material, and belongs to the technical field of soil remediation, the remediation material comprises a biochar carrier and manganese dioxide nanoclusters loaded on the biochar carrier. Compared with the prior art, the manganese dioxide loaded biochar catalyst has excellent physical and chemical properties, the high specific surface area and the porous structure of the biochar provide a large number of active sites for MnO2 nanoparticles, and meanwhile, the adsorption performance of the biochar can effectively shorten the distance between the catalyst and pollutants and improve the reaction efficiency.

The present invention discloses a treatment system and treatment process for sodium methoxide solid waste, which belongs to the field of hazardous waste treatment technology. The system comprises a hydrolysis reactor, an oxidation reactor, a neutralization reactor and a solid-liquid separator connected in sequence; the hydrolysis reactor is connected to an inert gas tank; the oxidation reactor is connected to an ozone generator and a chlorine dioxide generator; the neutralization reactor is connected to a manganese chloride solution storage tank and a sodium hydroxide solution storage tank; the hydrolysis reactor, the oxidation reactor and the neutralization reactor are all connected to an exhaust gas treatment system. The sodium methoxide solid waste treatment process of the present invention can achieve complete and safe disposal of sodium methoxide solid waste, and effectively collects and treats the three wastes of the system throughout the reaction process. At the same time, the sodium methoxide solid waste treatment system of the present invention is built based on the above-mentioned treatment process. Ultimately, the present invention aims to achieve safe disposal of sodium methoxide solid waste while ensuring the safety of the operating environment.

To provide an active treatment agent for laver aquaculture containing oxalic acid dihydrate.SOLUTION: The present invention relates to an active treatment agent for laver aquaculture containing oxalic acid dihydrate, wherein a first active treatment agent containing oxalic acid dihydrate is superior in pitch removal capability, green laver removal capability, copepod removal capability, and cadmium removal capability, and, when mixed with a second active treatment agent that is activated chlorine dioxide aqueous solution, by confirming that harmful microorganisms belonging to the genus Pseudoalteromonas, which soften laver tissue, are markedly reduced, an active treatment agent for laver aquaculture that is environmentally friendly and excellent is provided.SELECTED DRAWING: Figure 1

The utility model discloses a chlorine dioxide gel air purification device which comprises a fan-shaped column, a containing groove is formed in the fan-shaped column, chlorine dioxide gel is arranged in the containing groove, an arc-shaped cover plate is arranged on the inner wall of the containing groove, a plurality of air outlet holes are formed in the top end of the inner wall of the containing groove, and an adhesion device is arranged on one side of the fan-shaped column. The air purification device is designed to be in a fan-shaped column shape, so that the air purification device can be well installed in a right-angle room and attached to the interior of a subway through an adhesion device, and after installation is completed, chlorine dioxide gel 11 in the air purification device can slowly release chlorine dioxide gas.