766 results about "Active carbon" patented technology

The invention discloses dibutyl adipate as well as a preparation method and application thereof, preparation raw materials comprise adipic acid, n-butyl alcohol and a catalyst, and the molar ratio of the adipic acid to the n-butyl alcohol to the catalyst is 1: (3-8): (0.001-0.005). Excessive n-butyl alcohol obtained through distillation and kettle residues obtained after vacuum rectification can be directly applied to the next batch of reaction, continuous circular reaction can be achieved by supplementing a small amount of catalyst, maximum utilization of raw materials is achieved, and the production cost is reduced. Compared with the product obtained by the prior art, the content of the product obtained by simple rectification is higher, the content of dibutyl adipate in the product is 99.8% or above, the risk of trace activated carbon residue after activated carbon adsorption treatment is avoided, and the cosmetic grade product standard is met.

The invention provides sintering flue gas denitration activated carbon and a preparation method thereof.The preparation method comprises the steps that coal-based activated carbon raw material powder and an aqueous solution of a nitrogen-containing compound and a phosphorus-containing compound are evenly mixed, impregnated and dried, and a nitrogen-phosphorus co-doped precursor is obtained; blending the catalytic components to obtain raw material strips; primarily forming pores, and activating for the first time in a water vapor atmosphere; carrying out secondary loading and pore regulation, and carrying out secondary activation to obtain a secondary carbon body; and carrying out heat treatment on the secondary carbon body in an oxygen-containing atmosphere to convert the loaded metal precursor into a metal oxide. According to the invention, through a cascade catalytic network constructed by nitrogen and phosphorus doping and titanium, tungsten and vanadium oxides and an optimized pore channel formed by step-by-step activation of water vapor and carbon dioxide, the denitration efficiency of the catalyst breaks through 80% and is far higher than that of common activated carbon. The sintering flue gas denitration system has high activity and high stability, can greatly reduce the series number of denitration towers, obviously reduces the system resistance and operation energy consumption, and provides an efficient scheme for solving the problems of low sintering flue gas denitration efficiency and high cost.

The invention relates to the technical field of vegetable oil refining, in particular to a production method of extra-high oryzanol rice oil. The method comprises the following steps: adding wood active carbon into deacidified oil, carrying out oryzanol adsorption operation, filtering to obtain high-oryzanol active carbon, adding food-grade ethanol into the high-oryzanol active carbon, stirring, and removing an active carbon solid phase to obtain an ethanol desorption solution containing oryzanol; mixing the ethanol desorption solution with the deacidified oil, and evaporating ethanol to obtain an ultra-high oryzanol rice oil intermediate product; and carrying out secondary decoloration, physical deodorization and winterization degreasing on the ultra-high oryzanol rice oil intermediate product to obtain the finished ultra-high oryzanol rice oil. The ultra-high oryzanol rice oil with the oryzanol content larger than or equal to 4% (40000 ppm) and the light-color rice oil with the color meeting the first grade of the national standard GB 19112 of rice bran oil can be stably produced at the same time, and the method is simple, safe and low in cost.

The invention belongs to the technical field of sewage treatment, and particularly relates to a low-carbon-nitrogen-ratio sewage short-process nitrogen and phosphorus removal system and method. The method comprises the following steps: S1, capturing a carbon source and synthesizing an internal carbon source; s2, synchronous denitrification phosphorus removal; S3, layered nitrification treatment and internal carbon source reutilization; and S4, material circulation. According to the invention, denitrifying phosphorus-accumulating bacteria are used as an active carbon source carrier, and soluble VFAs which is easily fight for by common heterotrophic denitrifying bacteria is converted into solid PHA in the bacteria in a carbon source capture and internal carbon source synthesis tank; according to the method, the total nitrogen and the total phosphorus in the sewage with the low carbon-nitrogen ratio can be efficiently and deeply removed, and meanwhile, the method has the outstanding advantages of being low in energy consumption, small in sludge yield and small in occupied area.

The invention discloses a waste sulfuric acid treatment method and device, the device comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank and a membrane separator which are connected in sequence, and the fine filtration coalescer adopts a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube as a filter material; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material; and the membrane separation system adopts one or a combined membrane of more than two of an ultrafiltration membrane, a reverse osmosis membrane and an electrodialysis membrane. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; according to the method, a physical separation means is adopted, organic polymeric oil, dissolved organic matters, dissolved salts and other impurities in the alkylated waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The utility model discloses a low-temperature-resistant ultrafiltration water purification device which comprises a water inlet, a water inlet pump, a primary filter, an ultrafiltration membrane assembly, an anti-freezing glycerol tank, an activated carbon filter, a produced water outlet and a waste liquid discharge pipe, the water inlet is connected with a water inlet pump; the water inlet pump is connected with the primary filter; the primary filter is respectively connected with the anti-freezing glycerol tank and the active carbon filter; the ultrafiltration membrane assembly is connected with the active carbon filter; an ultraviolet sterilizer is arranged between the activated carbon filter and the produced water outlet; the water inlet, the primary filter, the ultrafiltration membrane assembly, the anti-freezing glycerol tank, the activated carbon filter and the ultraviolet sterilizer are all connected with a waste liquid discharge pipe. Enough pipeline pressure is ensured while the water purification effect is ensured; each key node of the device is provided with a pressure relief pipeline connected with a waste liquid discharge pipe, so that the risk caused by excessive pressure is avoided; and the anti-freezing glycerol tank is arranged and is matched with a valve switch to perform pipeline anti-freezing operation, so that the cold resistance of the device is improved.

The invention discloses a quality-divided separation and high-valued utilization method of coal gasification slag, a generated product and application, and belongs to the technical field of high-valued recycling of coal gasification slag. According to the method, the coal gasification slag is classified by adopting an alkali fusion-acid leaching two-step method, components in the coal gasification slag are classified into pure carbon components and a metal-containing acid leaching salt solution, a high-valued utilization method is provided for the classified components, and the carbon components are activated into an active carbon electrode material with a high specific surface area and applied to the field of energy storage. The metal-containing acid leaching salt solution is prepared into the metal cross-linked hydrogel, and the metal cross-linked hydrogel is applied to the field of coal flame retardance. The method can effectively solve the technical problem that the overall utilization is restricted by carbon ash caused by multi-metal component mixing and high carbon content of the coal gasification slag in the prior art.

The application provides a silver-loaded antibacterial polyacrylonitrile-based activated carbon fiber and a preparation method thereof, and belongs to the technical field of carbon fibers, and comprises the following steps: S1, chitosan solution preparation; S2, silver nitrate-chitosan solution preparation; S3, preparation of polyacrylonitrile fiber loaded with silver ions-chitosan on the surface; S4, pre-oxidation; S5, treatment of the pre-oxidized fiber; S6, carbonization and activation; and S7, drying.The silver ions-chitosan solution is used to uniformly load silver ions on the surface of the polyacrylonitrile fiber, the concentration of the silver ions-chitosan solution is 0.5-5 wt%, the surface pore size and distribution of the prepared activated carbon fiber can be controlled by the concentration of the acid solution, and the activated carbon fiber is rich in pore size and uniform in pore distribution, and the specific surface area is 800-1600 m 2 / g.

The invention relates to the field of adsorption materials, in particular to a discrete carbon-based biological base material for targeted treatment of high-concentration organic wastewater and a preparation process thereof.The discrete carbon-based biological base material is prepared from, by weight, 65-70 parts of activated carbon fibers, 8-10 parts of PLA fibers, 5-7 parts of sodium lignin sulfonate, 5-8 parts of ferroferric oxide magnetic particles and 8-10 parts of a carbon nitride catalyst; biPO4 is doped in the carbon nitride catalyst. According to the discrete carbon-based biological base material, the activated carbon fibers rapidly adsorb organic matters in high-concentration wastewater, the PLA releases a carbon source and accelerates formation of a biological membrane, and the biological membrane is degraded by taking the adsorbed organic matters as a substrate; the carbon nitride catalyst generates active oxygen under visible light to oxidize small molecular acid, and ferroferric oxide magnetic particles catalyze the reaction to break refractory toxins (such as antibiotics); after the reaction, the magnetic field recovers the material, sodium lignin sulfonate protects ferroferric oxide magnetic particles from corrosion, and regeneration performance is provided.

The utility model relates to filtering equipment capable of automatically replacing and filling activated carbon and an extraction oil removal system, and relates to the field of filtering equipment. The filtering equipment comprises a feeding mechanism, a spiral conveying pipe, a filtering unit, a conveying belt and a waste barrel, the filtering unit comprises a filtering barrel, a top cover and a bottom cover, the top cover and the bottom cover are detachably connected with the filtering barrel, an activated carbon inlet and a liquid inlet are formed in the top cover, and a liquid outlet is formed in the bottom cover; the feeding mechanism is located above the filtering unit, the feeding mechanism is communicated with the spiral conveying pipe, and a discharging opening of the spiral conveying pipe is communicated with the activated carbon inlet; the conveying belt is arranged below the filtering unit, and the tail end of the conveying belt communicates with the waste barrel. The filtering equipment can be quickly disassembled and is convenient to maintain, filling and discharging of activated carbon do not need manual intervention, automatic replacement can be achieved, operators are effectively prevented from entering the tank body for operation, safety and efficiency are improved, labor intensity is reduced, and the filtering equipment is more efficient and more environmentally friendly.

The invention belongs to the technical field of vehicle emission control, and particularly relates to a highway low-carbon route design method and device based on ecological speed control and a medium. The method comprises the following steps: collecting plateau road vehicle operation and CO2 emission data through a real vehicle test; a road section CO2 accumulated emission prediction model based on a DistilBERT framework is constructed; identifying a speed square difference as a key influence factor by using Sobol sensitivity analysis; adopting Bayesian optimization to formulate ecological speed control strategies of different working conditions, and setting a speed square difference critical value; and finally, the strategy is applied to identify and optimize the high-emission linear unit in a route design stage, and the running speed coordination is improved. According to the method, the light-weight large model and ecological speed control are deeply fused for the first time, the problems of accurate prediction of vehicle carbon emission and active carbon control at the front end of route design in the plateau complex environment are solved, and the purpose of reducing the carbon emission in the operation period from the road alignment source is achieved.

The utility model discloses an activated carbon wine filtering device, which belongs to the technical field of filtering equipment and comprises a tank body, a filtering space is arranged in the tank body, and a filling port is arranged at the top of the tank body; the cover body is detachably arranged at the top of the tank body, and the cover body is connected with the tank body to close the filling opening; the compaction assembly is arranged in the filtering space, the compaction assembly is provided with a compaction part, the compaction part is suitable for ascending or descending in the filtering space, and the compaction part descends to compact the activated carbon particles. According to the filter device designed by the utility model, active carbon particles are compacted by controlling the movement of the compaction part, so that gaps among the particles can be reduced, the condition of non-uniform distribution of the active carbon particles is avoided, and meanwhile, the amount of active carbon in unit volume is increased, so that liquid is more fully contacted with the active carbon when flowing through the active carbon layer; the adsorption effect is enhanced.

The invention discloses a methanol water reforming hydrogen production method, and relates to the technical field of hydrogen energy preparation, and the method comprises the following steps: 1) catalytic reforming reaction; and 2) separation and purification. The preparation method comprises the following steps: performing nitrogen doping modification on activated carbon by a hydrothermal method to prepare an N-AC carrier; then Co is preferentially anchored to the carrier at low temperature by utilizing the steric hindrance effect of a cobalt-ammonia complex, and a highly dispersed CoxOy active center is formed through thermal decomposition; and finally, co-dipping Cu and Zn precursors, precipitating and reducing to form a Cu-Zn active center, and constructing a Cu-Zn-CoxOy / N-AC bifunctional concerted catalytic system which is used for hydrogen production by reforming methanol and water. After methanol and desalted water are mixed and gasified, the mixture is introduced into a reforming reactor loaded with a Cu-Zn-CoxOy / N-AC catalyst for reaction, generated reformed gas is subjected to cooling and gas-liquid separation and then is purified through a CO adsorption bed and a pressure swing adsorption system, and high-purity hydrogen is obtained.

The invention discloses a waste sulfuric acid treatment method and system. The system comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank, a gas stripping tower, an alkaline washing tower, a molecular sieve dehydration device and a gas medium heating facility, a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube is adopted as a filter material of the fine filtering coalescer; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; a physical separation means is adopted, organic polymeric oil, dissolved organic matter, dissolved salt and other impurities in the alkylation waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The utility model discloses an air pressurizing and purifying box for a plateau pressurizing cabin, which relates to the field of air pressurizing and purifying and comprises a lower shell, an air outlet filter and an air inlet filter, and the air outlet filter is fixedly arranged on the side wall of an air outlet filter support. Through the arrangement of the air inlet filter and the air outlet filter, air is filtered by the air inlet filter and then conveyed into the pressure pump, then the pressure pump can pressurize the air, and the pressurized air can be conveyed into the air outlet filter through the connecting mechanism; aCF (activated carbon fiber) filter elements in the air inlet filter and the air outlet filter have relatively large surface areas, rich micropores, high adsorption capacity and relatively high removal efficiency on harmful gas and odor in air, a box body is made of high-strength light aluminum alloy, then the air is compressed by a pressure pump, dust particles, peculiar smell and moisture are removed by an air purification system, and the air is purified by an air purification system. Clean compressed air is conveyed into the cabin through the hose, and the pressurization effect is achieved.

The invention relates to the technical field of fiber processing, in particular to an odor and dust removing device for natural fiber processing, which comprises a bottom plate, a cocoon cooking pot and a support frame, and further comprises a gas collecting hood, a guide ring, a gas collecting pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe and a gas outlet pipe, the upper area of the cocoon cooking pot is accurately covered, the collecting range of water vapor and VOC is greatly enlarged, an annular flow guide groove of a guide ring is matched with a guide pipe, liquid condensed on the inner wall of a gas collecting hood can be rapidly guided and discharged, and it is avoided that liquid drips to affect machining or cause secondary pollution; the inclined circulating pipe and the retarding blades are combined, the retention time of high-temperature water vapor is prolonged, the water liquefaction separation efficiency is improved, efficient gas-liquid separation is achieved, the bearing frame is in sliding fit with the first sliding plate through the second sliding plate, a quick locking structure of a locking rod and a locking spring is matched, activated carbon can be easily disassembled and assembled, and replacement and maintenance are convenient.

The application discloses a filter core material and a preparation method thereof, and belongs to the technical field of water purification filter cores. The filter core material comprises the following components in percentage by mass: a honeycomb support matrix: 15-60%; a filter substrate: 30-40%; and a coating substrate: 0-50%. The filter core material and the preparation method thereof maintain a stable support structure during the preparation of a gamma-Al2O3 / BN composite ceramic layer through polypropylene and cellulose nanofiber. The filter substrate is obtained through gradient low-temperature sintering, effectively removes small particles and pollutants in water, and has excellent filtering performance. The active carbon fiber and polyether sulfone are coated on the filter substrate through electrospinning, which ensures good filtering performance and water permeability, improves the wear resistance and compressive strength of the filter core, and removes the honeycomb support matrix through high-temperature combustion, further improves the water permeability, and the active carbon fiber is physically activated during the combustion process, further improving the adsorption capacity.

The utility model discloses a fruit and vegetable cold chain material transport case, relates to the technical field of cold chain transportation, and aims to solve the technical problems that the storage capacity of a current single transport case structure is low, the consumption of cold and fresh ice bags is increased, and the operating cost is increased, the fruit and vegetable cold chain material transport case comprises a fixing mechanism and three case bodies, the box bodies are connected through the connecting mechanisms, the two fixing mechanisms are located on the outer sides of the box bodies at the two ends respectively, base plates are fixed to the upper ends and the lower ends of the interiors of the box bodies, activated carbon bags are embedded in the base plates, and storage boxes are slidably installed at openings in the front ends of the box bodies; the connecting mechanism is composed of a reinforcing frame rib and a sealing gasket, the fixing mechanism is composed of an end pipe and an end plate, a circulation box is arranged on the inner side of the end plate, and exhaust ports are formed in the inner side of the circulation box in an array mode. The split type refrigerator has the advantages that the split type refrigerator body structure adopts integrated cold air supply, the storage capacity is improved, and meanwhile the cold fresh cost is reduced.

The utility model is suitable for the technical field of phosphoric acid processing, and provides a phosphoric acid decoloring device which comprises a decoloring box for decoloring phosphoric acid, the activated carbon fiber cloth is fixedly mounted in the decolorizing box and is used for decolorizing phosphoric acid; the stirring frame is rotationally mounted in the decolorizing box, and a mixing mechanism for driving the stirring frame to rotate to mix phosphoric acid and a decolorizing agent is arranged on the stirring frame and the decolorizing box; and the cleaning mechanism is assembled on the decolorizing box and is used for cleaning the activated carbon fiber cloth. The phosphoric acid decolorizing device provided by the scheme can perform dual decolorizing treatment on phosphoric acid, is good in decolorizing effect, facilitates cleaning of the activated carbon fiber cloth, avoids reduction of the decolorizing effect on the phosphoric acid due to adsorption saturation, and can prolong the service life of the activated carbon fiber cloth and reduce the replacement frequency, thereby reducing the use cost.

The present application relates to a kind of organic waste gas treatment device.Processing device, activated carbon tank A, activated carbon tank B are included;Front processing device is connected with the air inlet end A of activated carbon tank A, the air inlet end B of activated carbon tank B respectively;First end of heat cycle fan and vacuum pump after parallel connection is connected with first condenser, filter device in proper order, second end of heat cycle fan and vacuum pump after parallel connection is connected with pressure relief valve, second condenser, oxidation device in proper order, third end of heat cycle fan and vacuum pump after parallel connection is connected with nitrogen source, electric heater in proper order, electric heater is connected with the air inlet end A of activated carbon tank A, the air inlet end B of activated carbon tank B respectively;The air outlet end A of activated carbon tank A is connected with the air outlet end B of activated carbon tank B;Main fan is connected with the air outlet end A of activated carbon tank A, the air outlet end B of activated carbon tank B respectively.The present application can heat the carbon layer in activated carbon tank respectively, and heat efficiency is higher, with the advantages of energy saving and environmental protection.

The utility model relates to the technical field of activating machines, in particular to an activated calcium carbonate activating machine which comprises a charging barrel, at least three supporting legs are arranged below the charging barrel, a stirring device is fixed inside the charging barrel, a discharging hole is formed in the bottom of the charging barrel, a discharging pipe is fixed to the position, corresponding to the discharging hole, of the bottom of the charging barrel, and the discharging pipe is fixed to the bottom of the charging barrel. A valve for controlling discharging is fixed on the discharging pipe, and a feeding pipe is fixed on the side wall of the upper end of the charging barrel. The device has the beneficial effects that the gear ring and the gear are arranged at the top in the charging barrel, calcium carbonate does not make contact with the gear ring, materials do not affect transmission of the gear ring and the gear, the inner end of the feeding pipe is lower than the height of the spraying head and vertically faces downwards, and an activating agent can be prevented from entering the feeding pipe to affect adding of dry calcium carbonate when sprayed; the discharging efficiency of activated calcium carbonate in the charging barrel can be improved through the scraping device, the interior of the charging barrel can be cleaned through the water spraying mechanism, and it is avoided that calcium carbonate residues are solidified to affect next use.

The utility model relates to a steam heating-based activated carbon kneading forming section stirring device which comprises a stirring tank and a steam generating device, a rotating shaft is rotatably arranged in the stirring tank, a driving mechanism for driving the rotating shaft to rotate is fixedly arranged on the stirring tank, and a stirring paddle fixedly arranged on the rotating shaft is arranged in the stirring tank; the steam generator is characterized in that an air inlet channel and an exhaust channel are formed in the rotating shaft, and the air inlet channel communicates with an air outlet of the steam generating device; the stirring paddle is provided with a gas conveying channel communicated with the gas inlet channel and the gas exhaust channel, and the stirring paddle is made of a heat conduction material; according to the utility model, steam is input into the gas transmission channel, and the steam heating position in the stirring tank is continuously changed when the stirring paddle stirs, so that the activated carbon is uniformly heated, and the device is simple, efficient, safe and reliable.

A tank cover is arranged on the upper surface of an outer tank body, a feeding pipe is arranged on the lower surface of the tank cover, an inner tank body is further arranged on the lower surface of the tank cover, the inner tank body is coaxially arranged outside the feeding pipe, a first sieve plate is arranged in the inner tank body, and a second sieve plate is arranged in the inner tank body. A plurality of overflow grooves are formed in the side wall of the inner tank body and located above the first sieve plate, a second sieve plate is arranged on the periphery of the inner tank body, a first activated carbon layer is filled in the inner tank body and located below the first sieve plate, and a second activated carbon layer is arranged in the outer tank body and between the outer tank body and the inner tank body. The organic silicon surface active agent can be adsorbed and filtered twice through the two activated carbon layers, the adsorption and filtering effects on impurities in the organic silicon surface active agent are greatly improved, more space is saved through the structure, the sectional area of a flowing path is smaller, and therefore the utilization rate of activated carbon is higher.

The utility model provides a cooling device for processing a transmission part of an electric vehicle, which comprises a cooling box, one side of the cooling box is fixedly connected with a purification box, the inner wall of the purification box is fixedly connected with a rough filtration chute block, the inner part of the rough filtration chute block is slidably connected with a rough effect non-woven fabric plate, and the rough effect non-woven fabric plate is fixedly connected with the purification box. The cooling device comprises a purification box, the inner wall of the purification box is fixedly connected with a medium filtering sliding groove block, the interior of the medium filtering sliding groove block is slidably connected with an activated carbon fiber board, and the inner wall of the purification box is fixedly connected with a fine filtering sliding groove block. A multi-stage air purification system is formed by the purification box connected with the purification box, the coarse filtration sliding groove block, the coarse-effect non-woven fabric plate, the medium filtration sliding groove block, the activated carbon fiber plate, the fine filtration sliding groove block and the efficient filter paper plate, and steam containing harmful substances and formed by evaporation of high-temperature cooling liquid generated in the machining process can be effectively filtered.

The invention relates to a formaldehyde purification antibacterial composition containing salix mongolica activated carbon, preparation and application, and belongs to the technical field of environmental functional materials. The technical problem to be solved is that the existing formaldehyde adsorption material activated carbon has limited specific surface area and limited adsorption capacity. In the prior art, the adsorption material has a single function, does not have the ability to inhibit the growth of microorganisms (such as bacteria and molds), easily becomes a hotbed for microorganism breeding on the surface, possibly generates peculiar smell, even causes secondary pollution, and has high preparation cost. Active carbon based on salix psammophila is prepared through a gradient chelation pre-oxidation and phosphoric acid synchronous doping process, and then a plant essential oil microcapsule resistant dextrin compound is added to prepare the salix psammophila-containing formaldehyde purification antibacterial composition. The invention provides the composite material with efficient formaldehyde adsorption and long-acting antibacterial functions, and the composite material is relatively low in preparation cost and wide in application prospect.

This invention discloses a low-VOCs, low-odor environmentally friendly material for the production of sealing strips for passenger vehicles and its preparation method, belonging to the field of polymer materials technology. The technical solution includes the following raw materials in parts by weight: 100 parts PVC resin; 5 parts stabilizer; 40-60 parts plasticizer; 0.4-0.6 parts lubricant; 1.3-1.5 parts antioxidant; 0.3-0.4 parts ultraviolet absorber; 0.3-0.5 parts deodorizer A; 0.8-1.0 parts deodorizer B; 10-25 parts light active calcium carbonate; 1.0-1.2 parts pigment; deodorizer A is a complex of zinc amino acid, and deodorizer B is benzoic anhydride-intercalated modified aluminum-magnesium hydrotalcite. This invention can capture free, irritating small-molecule alcohols and convert them into esters with milder odors, effectively preventing alcohols from being converted into irritating ethers and ketones during processing, thus reducing the odor and VOCs of passenger vehicle sealing strips.

The invention belongs to the technical field of soil remediation, and relates to a method for remediating norfloxacin contaminated soil by using earthworm intestinal contents, which comprises the following steps: inducing earthworms to empty the intestinal contents on quartz sand by illumination, extracting by using a phosphate buffer solution, activating nutrient solution and treating by using a modifier to obtain high-activity modified earthworm intestinal contents, and granulating with activated carbon, organic acid and mineral materials according to a specific ratio, and embedding and curing to prepare the repairing agent. After the remediation agent is applied to the contaminated soil, efficient decomposition of norfloxacin and synchronous restoration of the ecological function of the soil are achieved through the degradation effect of earthworm intestinal microorganisms, the adsorption effect of activated carbon, the complex reaction of organic acid and physical regulation and control of mineral materials. The method creatively utilizes natural microbial communities in the intestinal tract of the earthworm, has the advantages of thorough degradation, environmental compatibility, low cost, simplicity and convenience in operation and the like, and effectively overcomes the problems of chemical residues, poor microbial adaptability, long repair period and the like in a traditional repair method.

The present disclosure relates to a method for improving the quality of glycosylated antibody drug conjugates (DAR distribution, stability, etc.) using activated carbon. Specifically, the present disclosure employs hydrophobic interaction chromatography (HIC) column, protein A chromatography, activated carbon stirring, and buffer exchange, alone or in series, to remove free glycosyltransferases. As a result, the purity of the glycosylated antibody drug conjugates is improved, and the degradation of the antibody drug conjugates is prevented. Ultimately, the drug substance (DS) of OBI-902 (anti-TROP2 antibody drug conjugate) and OBI-904 (anti-Nectin-4 antibody drug conjugate) is further determined.

The utility model relates to a movable active carbon adsorption device including mobile car body, adsorption jar body and cloth gas cone, adsorption jar body sets up at the top of mobile car body, and the detachable setting has active carbon core in adsorption jar body, cloth gas cone sets up at the bottom in adsorption jar body, and the vertex of cloth gas cone sets up upwards, and the one end of air inlet pipeline stretches into adsorption jar body and the pipe orifice is towards the vertex of cloth gas cone, and the exhaust gas of entering adsorption jar body first impacts cloth gas cone top, and then diffuses as uniform ascending airflow along the inclined conical surface, avoids the disorder turbulent flow phenomenon of gas, ensures that the exhaust gas penetrates the cross section of entire active carbon core in laminar flow state, improves the utilization of active carbon, delays the speed of local saturation, simultaneously, uniform cloth gas reduces the airflow resistance, makes adsorption jar body internal air pressure stable in the process of the mobile car body in the movement, strengthens the device operation reliability.