1437 results about "Active carbon" patented technology

The present invention pertains to the technical field of phase-change temperature-reducing materials, and in particular, relates to a phase-change temperature-reducing polyurethane composite material, and a preparation method and application thereof, comprising the following parts by mass of raw materials: 50-80 parts of polyurethane material A+polyurethane material B, 1-3 parts of flake graphite powder with a particle size of 850-1200 meshes, 0.8-1.8 parts of vermicular graphite with a particle size of 10-40 meshes, 10-30 parts of phase-change paraffin, 1-3 parts of activated carbon, 0.5-2 parts of catalyst, and 0.2-1 parts of co-catalyst. The polyurethane composite material made in the present invention is rapid in phase-change temperature reduction, high in heat absorption and dispersion, and free of problems of phase-change paraffin leakage, crystallization, and frosting on the surface thereof. At the same time, it also has softness and high elasticity, and can be widely applied to objects in contact with human bodies. A temperature difference is formed by reducing the temperature of the surface in contact with skin, which can bring a comfortable sense of coolness and a temperature-reducing effect to consumers.

The invention relates to a functional microorganism-containing organic-inorganic compound fertilizer and a production method thereof, and relates to the technical field of fertilizers, the functional microorganism-containing organic-inorganic compound fertilizer comprises an inorganic core layer, an organic coating layer and a functional microorganism outer layer, the functional microorganism outer layer comprises the following components in parts by mass: 10-15 parts of compound functional microorganisms, 5-10 parts of synergistic growth-promoting microorganisms, 2-3 parts of trehalose, 1-2 parts of mannitol, 10-15 parts of sodium alginate, 8-10 parts of chitosan, 2-4 parts of a yeast extract and 30-40 parts of a modified activated carbon carrier. The production method comprises the following steps: preparing an inorganic core layer, preheating the inorganic core layer, and spraying and coating an organic coating layer material to obtain a primary product with an organic coating layer; and coating the surface of the organic coating layer of the primary product with a functional microorganism outer layer material, drying at low temperature, and screening to obtain the organic-inorganic compound fertilizer containing the functional microorganisms. The fertilizer has the effect of improving the slow release effect of the fertilizer and the survival rate of microorganisms.

The application provides a cement-based zinc ion hybrid capacitor, a preparation method thereof and application of the capacitor in an energy storage device. The cement-based zinc ion hybrid capacitor comprises an active carbon positive electrode, a zinc foil negative electrode and a composite air-entraining mortar interlayer arranged between the two electrodes. The active carbon positive electrode is active carbon loaded on a carrier with good conductivity, and the carrier is any one of carbon-based materials such as carbon felt, carbon fiber and graphite plate or any one of foils, meshes and foams of metals such as stainless steel, copper, titanium and nickel and alloys thereof. The composite air-entraining mortar interlayer between the two electrodes is immersed in an electrolyte under negative pressure. The composite air-entraining mortar has interconnected pores, and ions are transmitted through the electrolyte in the pores and participate in electrode reactions. The application mainly provides a porous cement-based solid electrolyte based on a composite air-entraining technology and a structural electrochemical energy storage device, and the structural energy storage device can simultaneously have good energy storage characteristics and mechanical properties.

The invention discloses a preparation method of a graphene reinforced copper composite material, and belongs to the technical field of composite material preparation. According to the preparation method, high-activity carbon quantum dots are adopted and are dissolved in a solution, subjected to ultrasonic treatment and activated, iodine and copper powder are added at the same time, uniform stirring and freeze drying are conducted, a carbon source and nucleation sites are uniformly adsorbed to the surface of the copper powder of a complex microstructure, then the carbon source and the nucleation sites are catalyzed by iodine, and graphene grows in situ at low temperature; graphene / copper composite powder which is good in coating, uniform in structure and tight in combination is prepared, then the graphene reinforced copper composite material which is continuous in structure and strong in interface combination is prepared through sintering forming, the carrier and load transmission capacity of the composite material is improved by means of evenly-coated graphene with the large specific surface area, electricity, heat and force transmission is facilitated, and the composite material has the good application prospect. The conductivity of the composite material reaches up to 90-100.8% IACS, the tensile strength reaches 207-263 MPa, the thermal diffusion coefficient reaches 101.8-120.8 mm < 2 > / s, the comprehensive performance is superior to that of pure copper, and the method is simple in process and easy to produce.

The application relates to an organic-inorganic compound fertilizer containing functional microorganisms and a production method thereof, and relates to the technical field of fertilizers. The fertilizer comprises an inorganic core layer, an organic coating layer and a functional microorganism outer layer. The functional microorganism outer layer comprises the following components in mass fractions: 10-15 parts of compound functional microorganisms, 5-10 parts of synergistic growth-promoting microorganisms, 2-3 parts of trehalose, 1-2 parts of mannitol, 10-15 parts of sodium alginate, 8-10 parts of chitosan, 2-4 parts of yeast extract and 30-40 parts of modified active carbon carriers. The production method comprises the following steps: preparing the inorganic core layer, preheating the inorganic core layer, spraying the organic coating layer material to coat the surface, and obtaining a preliminary product with the organic coating layer; coating the functional microorganism outer layer material on the surface of the organic coating layer of the preliminary product, low-temperature drying and screening, and obtaining the organic-inorganic compound fertilizer containing the functional microorganisms. The application has the effects of improving the slow-release effect of the fertilizer and the survival rate of the microorganisms.

The invention provides a sulfur-tolerant shift pre-transformation protective agent as well as a preparation method and application thereof, and relates to the technical field of sulfur-tolerant shift. The magnesium aluminate spinel, the nickel aluminate spinel and the activated carbon are used as composite carriers, the cobalt is used as a main conversion active component, the detoxification carriers have good adsorption and removal effects on arsenic compounds and small-particle impurities, the arsenic capacity is large and is not influenced by the content of hydrogen sulfide, the conversion activity of the protective agent is moderate, the temperature rise of a bed layer is controllable, and the conditions of large temperature rise and overtemperature are avoided; the influence of a water-carrying working condition on the catalyst is greatly avoided, and the catalyst is suitable for a pre-shift furnace and a detoxification tank in a sulfur-tolerant shift process.

The invention relates to the technical field of radon concentration measurement, in particular to radon concentration detection equipment, a radon concentration detection method and a radon concentration detection device. The radon concentration detection equipment comprises a feeding rotary disc stock bin assembly, a mechanical arm grabbing assembly, a detection assembly, a control assembly and a power supply assembly. The control assembly is in communication connection with the feeding rotary disc stock bin assembly, the mechanical arm grabbing assembly and the detection assembly. The loading turntable stock bin assembly is used for placing an active carbon box to be tested; the control assembly is used for controlling the feeding rotary disc stock bin assembly to convey the activated carbon boxes to a target grabbing position, controlling the mechanical arm grabbing assembly to move to the target grabbing position to grab the activated carbon boxes in sequence and putting the activated carbon boxes into the detection assembly in sequence, and the detection assembly is used for obtaining the radon concentration in each activated carbon box. According to the technical scheme, the radon concentration of the activated carbon box can be automatically tested, then the radon concentration in a room such as a laboratory is determined, the detection experiment efficiency can be improved, and the cost can be reduced.

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 relates to the technical field of denitration, and discloses a preheating and control method, device and equipment for activated carbon in an adsorption tower bin. The method comprises the following steps: calculating first heat of activated carbon in a stock bin, second heat brought by flue gas entering the stock bin, third heat released by denitration reaction in an adsorption tower, and fourth heat brought by original flue gas entering a denitration area of the adsorption tower; calculating a first temperature when the active carbon in the stock bin enters the adsorption tower and a second temperature of the active carbon in the denitration area according to the four heat quantities; and the first temperature and the second temperature are judged, and the flow of the smoke entering the stock bin is controlled according to the judgment result. The flue gas preheats the activated carbon in the stock bin through the bypass flue, the purified flue gas is reasonably utilized for preheating, the opening degree of the bypass valve is regulated and controlled according to the first temperature and the second temperature so as to regulate the flow of the flue gas entering the stock bin, the temperature of the activated carbon entering an adsorption area is stabilized in a proper temperature interval of denitration reaction, the denitration effect and efficiency are improved, and the energy consumption is reduced. Meanwhile, the safety of the denitration and desulfurization system is ensured.

The invention discloses a method for separating and purifying gamma-aminobutyric acid from whole cells or enzymatic conversion liquid. The method comprises the following steps: removing thalli and large-particle impurities, denaturating, decolorizing and removing impurities, crystallizing for the first time, washing for the first time, crystallizing for the second time, washing for the second time and drying. According to the present invention, the thermal denaturation of the protein, the active carbon decoloration and the flocculation impurity removal are integrated, such that the solid-liquid separation frequency is reduced, the problems of difficult filtration and easy leakage of the powdered active carbon are solved, and the purity and the yield of the gamma-aminobutyric acid are significantly improved. In the whole separation and purification process, the pH value is not adjusted, the cost is saved, impurities are reduced, and the ion removal process is omitted. And collecting the primary crystallization mother liquor and washing liquor for secondary crystallization, so that the yield of the final product is greatly improved. According to the separation and purification method, the purity of the obtained gamma-aminobutyric acid is greater than 99%, the yield is greater than 92%, and the crystal light transmittance is greater than 99%. The method provided by the invention is simple, efficient and low in cost, and has a wide application prospect.

The present invention provides a real-time carbon emission calculation system and method for a coal-fired power plant, which collects the operation data of each unit of the coal-fired power plant and the carbon emission calculation guide data; according to the carbon emission calculation method, the carbon emissions of different activities of each unit of the power plant and the carbon emission intensity are calculated in real time; according to the real-time carbon emissions of each unit of the power plant, the hourly, daily, monthly and annual carbon emissions and carbon emission intensity are accumulated based on time, and the total carbon emissions and carbon emission intensity of the entire power plant are accumulated based on the units, and displayed. The present invention develops a real-time carbon emissions and carbon emission intensity calculation system and method, which tracks and calculates the carbon emissions of enterprises in real time according to national standards, and uses this data to provide effective data support for the purchase of carbon emission quotas and the production and operation of enterprises.

The preparation method of the CO2 thickening-downmixing-tracing nano carbon needle comprises the following steps: step 1, modifying a nitrogen-doped activated carbon quantum dot by adopting a silane coupling agent to obtain a modified activated carbon quantum dot; 2, mixing methyl silicone oil, a silane coupling agent and a thickening functional monomer to obtain a mixture, and activating; adding a catalyst and fully reacting to obtain a fluorine-containing siloxane polymer; 3, mixing the activated carbon quantum dots obtained in the step 1 and the fluorine-containing silane polymer solution obtained in the step 2, and fully reacting to obtain the CO2 thickening-downmixing-tracing nano carbon needle; according to the nano carbon needle, the viscosity of supercritical carbon dioxide is increased, the miscible phase pressure is reduced, meanwhile, in-situ emulsification tackifying can be carried out in high-water-content and high-permeability pores, and CO2 pressure driving-tracing-burying integration of an oil and gas field can be achieved, so that a win-win mode of green low-carbon development and economic benefits is constructed.

The invention discloses a composite bio-based suspension purification system based on a near-natural water ecology concept, and belongs to the technical field of water ecology diversity restoration. The system is composed of an emergent aquatic plant ecological design module, a bio-based suspension core, a microorganism cultivation bed, an intelligent underwater oxygenation and aeration module, an artificial ecological fish reef and a submerged plant planting module. Wherein the bio-based suspension core is of a four-layer gradient composite structure and comprises a polyester fiber filler layer, an active carbon fiber sponge layer and a palm fiber bio-base layer, and synergistic purification of physical adsorption, chemical degradation and biological metabolism is achieved. The intelligent aeration module dynamically regulates and controls the aeration intensity through multi-parameter sensor linkage and a fuzzy PID algorithm, and the oxygen transfer efficiency is larger than or equal to 35%. According to the invention, through coupling design of aperture gradient distribution (80-92% porosity) of the four-layer gradient bio-based suspension core and a dynamic response threshold value of a fuzzy PID algorithm, collaborative optimization of carrier structure parameters and control system parameters is realized for the first time. The innovative technology not only improves the stability and diversity of an ecological system, but also strengthens the natural purification capacity of a water body, and provides a new thought for water environment protection.

The invention relates to the technical field of sewage post-treatment, in particular to a wastewater treatment device for nitriding machining parts, which comprises a treatment device sleeve shell, an interval filtering assembly and a shunting assembly, one side of the treatment device sleeve shell is provided with an open window, and the center of the lower end in the treatment device sleeve shell is provided with a reference supporting cylinder; a single and large activated carbon treatment tank for wastewater treatment is arranged to be a wastewater treatment device with a plurality of wastewater treatment cylinders, when three of the wastewater treatment cylinders are used for wastewater treatment, the other wastewater treatment cylinder is matched with a positioning assembly to realize rapid rotary switching, and the wastewater treatment device is simple in structure, convenient to operate and high in practicability. And when activated carbon particles in the wastewater treatment cylinder need to be replaced, the active carbon particles can be conveniently filled through the movable control of the piston filter cylinder, the operation is worry-saving and convenient, and the wastewater treatment efficiency is improved in the continuous wastewater treatment process.

The invention belongs to the technical field of water treatment, and particularly relates to a method for regulating and controlling a nanoscale zero-valent iron shell structure to enhance the reaction activity of the nanoscale zero-valent iron shell structure. The carbon-doped nano zero-valent iron is of a core-shell structure; the carbon-doped nanoscale zero-valent iron comprises a nanoscale zero-valent iron core with carbon gradient doping and an iron carbide shell layer located on the surface of the nanoscale zero-valent iron core. By means of collision between grinding balls and material (Fe and C) particles, deformation and crushing of the ground material particles are achieved through friction force, shearing force, tension and the like, an oxidation shell layer of nanoscale zero-valent iron is broken, Fe < 0 > is exposed on the surface of the material and further doped with activated carbon to form an iron carbide shell layer to construct Fe-C double-active sites, the reaction activity of the material is improved, and the service life of the material is prolonged. The reducibility and electron transfer capability of the nZVI are effectively improved, meanwhile, after the nZVI is subjected to the action of mechanical force, the lattice spacing of the nZVI is increased, the material property is changed, and the removal efficiency of the nZVI to pollutants is further improved.

To provide a non-oxidation continuous regeneration cooling production line for powdered activated carbon.SOLUTION: There is disclosed a non-oxidation continuous regeneration cooling production line for powdered activated carbon, comprising a regeneration furnace 1, provided with a heating tube in the regeneration furnace and a cooling mechanism 4 at one end of the regeneration furnace, wherein a sealing tube is connected between the regeneration furnace and the regeneration furnace. At the bottoms of the regeneration furnace and the cooling mechanism, there is a base equipped with hydraulic cylinders for controlling the inclination angles of the regeneration furnace and the cooling mechanism, and a cooling control module is loaded on the cooling mechanism. Because the sealing tube is arranged between the regeneration furnace and the cooling mechanism, sealed flexible connection between the regeneration furnace and the cooling mechanism is realized, and it is ensured that the activated carbon in the heating tube is in a sealed state at a high temperature. Thus, oxygen in the external environment can be prevented from entering the heating tube, the carbon loss in the regeneration process of the active carbon is reduced, and the yield of the regenerated carbon powder is improved.SELECTED DRAWING: Figure 1

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 belongs to the technical field of fluorine chemical industry, and relates to preparation and application of a hydrodechlorination catalyst, a preparation method comprises the following steps: dipping a palladium source and a copper source on an activated carbon carrier, drying, and sequentially carrying out heating pretreatment in an inert atmosphere, reduction treatment in a hydrogen atmosphere and passivation treatment in an air atmosphere; in the obtained catalyst, the loading capacity of palladium on the activated carbon carrier is 0.5-0.1 wt%, and the loading capacity of copper on the activated carbon carrier is 5-0.1 wt%. Compared with the prior art, the preparation method has the advantages of low metal loading capacity, low reaction temperature, controllable product selectivity and the like, and the granular active carbon is adopted, so that the influence of active carbon extrusion molding and molding auxiliaries on preparation and performance of the catalyst can be avoided. Meanwhile, the catalyst can be used for the hydrodechlorination reaction of CFC-113, the problems of fast deactivation, poor stability and high use cost of the conventional catalyst can be solved, and an effective way is provided for converting fluorochloroalkane into fluorine-containing olefin.

The invention relates to the field of sewage treatment, and discloses a sewage treatment method based on desulfurization and denitrification, which comprises the following steps: S1, magnetic flocculation-electro-catalysis pretreatment: adding a polyaluminum chloride-magnetic powder composite flocculant into sewage through a magnetic flocculation reactor to form a magnetic floc, removing suspended matters through a permanent magnetic separation device, and then entering an electro-catalysis oxidation pond, carrying out electrolysis by taking titanium-based lead dioxide as an anode and active carbon fiber as a cathode; and S2, performing synchronous desulfurization and denitrification on the three-dimensional electrode fluidized bed, feeding pretreated effluent into a three-dimensional electrode fluidized bed reactor, filling activated carbon particles as a third electrode, and adding a composite flora of thiobacillus and denitrifying bacteria. The efficient removal of sulfides, total nitrogen, total phosphorus and chemical oxygen demand in the sewage is realized through a multi-stage synergistic process of magnetic flocculation-electrocatalysis pretreatment, synchronous desulfurization and denitrification of a three-dimensional electrode fluidized bed, deep denitrification and dephosphorization of a denitrification filter tank and catalytic ozonation-membrane separation combined deep treatment.

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 vinasse activated carbon and a preparation method thereof. The preparation method comprises the following steps: S1, drying and crushing vinasse, adding wine brewing wastewater, mixing, carrying out hydrothermal carbonization, filtering, washing and drying to obtain hydrothermal carbon; s2, adding an activating agent into the hydrothermal carbon in the S1 for dipping, and drying to obtain dipped hydrothermal carbon; s3, performing high-temperature activation on the soaked hydrothermal carbon in the step S2, cooling, washing and drying to obtain the hydrothermal carbon. The wine brewing wastewater is used for hydrothermal carbonization, the yield of activated carbon can be increased, the adsorption performance of the activated carbon can be improved, and the method is low in production cost, environmentally friendly, high in resource utilization rate and good in industrial application prospect.

The invention discloses a method for preparing raw material phosphoric acid for monopotassium phosphate by multi-stage synergistic purification of wet-process phosphoric acid, and relates to the technical field of wet-process phosphoric acid purification. The method specifically comprises the following steps: firstly, adding part of SiO2 into dilute phosphoric acid, and pumping the dilute phosphoric acid into a defluorination tower for stripping and defluorination; adding the rest SiO2, pumping into a flash chamber, and carrying out vacuum concentration and defluorination; pumping into a desulfurization reaction tank, adding phosphoric ore pulp according to a calcium-sulfur ratio, clarifying the slurry in a thickener after reaction, and filtering the upper overflow clear liquid to obtain desulfurized phosphoric acid; adding sodium sulfide, reacting at normal temperature, heating, continuously reacting, and carrying out solid-liquid separation to obtain dehydrophosphoric acid; and enabling the de-heavy phosphoric acid to sequentially pass through three activated carbon fiber filtering devices which are connected in series, so as to obtain the raw material phosphoric acid which can be directly used for producing the monopotassium phosphate after being purified. A gradient purification system is constructed through concentration defluorination, phosphoric ore pulp desulfurization, sodium sulfide heavy component removal and activated carbon fiber decoloration in a multi-stage process cooperation mode, and step-by-step efficient removal of fluorine, sulfur, heavy metal and pigment in wet-process phosphoric acid is achieved.

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 relates to the technical field of industrial tail gas treatment, in particular to an oxidized tail gas treatment device. Comprising a hydrogen peroxide oxidation tail gas pipeline, a cold box, a first-stage separator, a first tail gas heat exchanger, a turbine expansion generator set, a second-stage separator, a second tail gas heat exchanger, an oxidation tower middle cooler, an activated carbon fiber adsorption tower and a working solution / hydrogen peroxide separator, and the hydrogen peroxide oxidation tail gas pipeline is communicated with the first-stage separator through a cooling channel of the cold box. According to the utility model, the circulating water outlet of the cooler in the oxidation tower is used for heating, so that the energy is saved, the generating capacity of the turbine expansion generator set is increased by 60%, the temperature of the tail gas reaches 30 DEG C before entering the activated carbon fiber adsorption tower, the aromatic hydrocarbon adsorption efficiency is increased, the aromatic hydrocarbon content in the discharged tail gas is reduced, and the steam quantity required in the desorption work is reduced; pVA-based active carbon fibers are used for replacing viscose-based active carbon fibers, the surface area is increased, and the aromatic hydrocarbon adsorption effect is better.

The utility model discloses a pathological slide rack drying device which comprises a slide rack placing module, and a slide to be input with airflow and dried is accommodated in the slide rack placing module; the fan and the filtering module are arranged on one side of the slide rack placing module and are used for filtering output airflow; the utility model relates to the technical field of slide drying devices. The closed space of the drying section box body can be temporarily formed through the box body cover plate, and air input into the drying section box body from the primary filter can flow in the closed space formed by the drying section box body; and a low-temperature electric heating wire is matched to accelerate the volatilization of xylene on the glass slide placing rack so as to blend the xylene into the air in the drying section box body, finally, a switch of a fan is turned on to output the air with the xylene from an active carbon filter, and the air with the xylene is filtered by the active carbon filter to form clean air.

The invention discloses a 1, 4-bis (4-fluorobenzoyl) benzene production waste utilization process, which belongs to the technical field of 1, 4-bis (4-fluorobenzoyl) benzene production, and comprises the following steps: dissolving waste leftovers in a solvent, and adsorbing and removing pigments and solid particles in the leftovers by activated carbon; carrying out dehalogenation and hydrogenation on the pretreated leftovers in the presence of a hydrogenation catalyst and an alkaline substance to produce 1, 4-biphenyl acyl benzene; and carrying out separation and purification on the hydrogenation product in a solution crystallization manner to obtain 1, 4-biphenyl acyl benzene with the purity of more than or equal to 99.75%. The waste leftovers are used for producing the 1, 4-biphenyl acyl benzene, so that the utilization rate of the raw materials is increased, the discharge of hazardous wastes is reduced, and the method is green and environment-friendly.

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.

Sorbent for filtering a coolant in immersion cooling systems, such as those used to cool electronic components. Sorbent may comprise activated carbon sorbent materials that have a bulk oxygen content of about 1 wt. % to about 5 wt. %, a moisture level of at most about 1.5 wt. %, and a molasses number of at least about 150. Sorbents may be contained within an enclosure to convey coolant therethrough to remove conductive contaminants from the coolant.

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.