165 results about "Granular activated carbon" patented technology

The invention discloses a sulfur autotrophic denitrification filter material enhanced constructed wetland microbial fuel cell sewage treatment system and method, and the treatment system comprises a container main body, the container main body sequentially comprises a gravel water distribution layer, a granular activated carbon anode layer, a sulfur autotrophic denitrification filter material layer, a middle gravel layer, a granular activated carbon cathode layer and a wetland plant layer from bottom to top, anodes are embedded in the granular activated carbon anode layer, cathodes are embedded in the granular activated carbon cathode layer, and the wetland plant layer is arranged in the middle gravel layer. A lead penetrates through the granular activated carbon anode layer and the granular activated carbon cathode layer to connect the anode with the cathode, a water inlet is formed in the gravel water distribution layer, and a water outlet is formed in the wetland plant layer. The constructed wetland microbial fuel cell and the sulfur autotrophic denitrification technology are combined, the dual effects of pollutant removal and electric energy generation are achieved, a new thought is provided for combination of the constructed wetland microbial fuel cell and the sulfur autotrophic denitrification technology, and meanwhile, a new direction is provided for removal of river sewage.

The utility model relates to the technical field of welding devices, in particular to a welding device for a water conservancy construction pipeline, which comprises a base, an electric sliding rail, a support ring a, a hydraulic rod and a clamping plate, an electric sliding rail is connected to the upper surface of the base through a bolt, a supporting ring a is connected to a sliding seat of the electric sliding rail through a bolt, a hydraulic rod is connected to the inner wall of the supporting ring a in a penetrating mode, a clamping plate is connected to the movable end of the hydraulic rod through a bolt, and a welding mechanism is arranged above the portion, close to one side of the electric sliding rail, of the base. According to the welding device for the water conservancy construction pipeline, an electric push rod b is started to make a grinding roller abut against the outer side of the pipeline, then a servo motor is started, the welding position of the pipeline is ground, and the welding strength is improved; smoke generated by welding and scraps generated by polishing are sucked away by starting the Roots blower, dust particles are filtered out through the filter screen box, harmful substances are sucked out through the activated carbon net, and then smoke dust is sucked.

The invention discloses a double-filtration separation device and an engine oil filter comprising the same, and the double-filtration separation device comprises a separation ring, a filter element and a filter element, the separation cavity is coaxially formed in the separation ring in an annular form; the magnetic block and the granular activated carbon are positioned in the separation chamber; the inlet hole and the outlet hole are formed in the separation ring and are both communicated with the separation cavity; the filter screen is fixedly arranged at the outlet hole and is used for holding granular active carbon; wherein low-temperature engine oil containing impurities enters the separation cavity through the inlet hole and is discharged from the outlet hole after being subjected to double adsorption of the magnetic block and the granular activated carbon, and the discharged engine oil flows back through the bypass valve. The cover pole is fixedly arranged at the top of the shell; and the sealing ring is fixedly arranged on the cover pole. Engine oil directly impacts on the inner rings of the magnetic blocks and rotationally flows in the inner rings of the magnetic blocks, so that metal particles in the engine oil move towards the magnetic blocks, and the metal particles are magnetically adsorbed by the magnetic blocks more quickly in cooperation with magnetic adsorption of the magnetic blocks.

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 provides a conveying device for producing granular activated carbon for water treatment, which comprises a shell assembly, a cover plate arranged at the top of the shell assembly, heat dissipation components at least partially embedded at two sides of the shell assembly, a conveying driving piece embedded at the top of the shell assembly, and a conveying component connected with the conveying driving piece, the conveying assembly is driven by the conveying driving part to convey along a preset track, the preset track of the conveying assembly comprises that the opening of the conveying assembly faces upwards and the conveying assembly moves in parallel with the cover plate, so that redundant granular activated carbon in the conveying assembly is discharged, quantitative filling of the granular activated carbon is achieved, and the conveying assembly turns around the axial direction of the turning auxiliary part at the position of the turning auxiliary part. And the opening of the conveying assembly at the lower conveying groove faces the direction close to the feeding groove, so that the conveying assembly completes filling of the internal granular activated carbon in the moving process, the trouble of manual filling of operators is avoided, and the subsequent granular activated carbon packaging efficiency is improved.

The utility model discloses continuous biological activated carbon filtering equipment for removing microplastics in sewage, and relates to the technical field of microplastic removal and activated carbon. The continuous biological activated carbon filtering equipment comprises a filtering device, a lifting device is arranged at the upper end of the filtering device, the filtering device comprises a box body, and a water inlet and a water outlet are formed in the left end and the right end of the box body respectively. According to the continuous biological activated carbon filtering equipment for the micro-plastics in the sewage, the sewage is input through the water inlet, the water flow path is limited through the baffle, and the granular micro-plastics are adsorbed through the granular activated carbon I, the bentonite and the granular activated carbon II in sequence, so that the treatment capacity is improved; a sliding rod is pressed, the sliding rod drives a spring to be compressed, meanwhile, a sampling pipe is driven to extend into the water treated by the box body for sampling, and a clamping ring is taken down, so that the water in the water outlet is sucked by a water suction pump and flows back through a guide pipe for secondary adsorption, and therefore, the effects of saving space and use cost and improving sewage treatment capacity are achieved. The effect of facilitating sampling detection is achieved.

The utility model is suitable for the technical field of activated carbon adsorption boxes, and provides an activated carbon adsorption box which comprises an adsorption box body, the bottom plate is fixedly installed at the bottom ends of the multiple supporting rods, and the multiple supporting rods and the bottom plate are used for supporting an adsorption box body; the exhaust fan is mounted on one side of the adsorption box body and is communicated with the adsorption box body; the plurality of mounting openings are formed in the top of the adsorption box body and are used for mounting a plurality of activated carbon filter element mechanisms; the plurality of activated carbon filter element mechanisms are respectively assembled and mounted on the plurality of mounting openings; and the plurality of activated carbon filter element mechanisms are used for adsorbing and purifying air. According to the activated carbon adsorption box provided by the scheme, the activated carbon filter element can be conveniently disassembled and replaced, granular activated carbon in the activated carbon filter element can be conveniently replaced, meanwhile, the activated carbon adsorption box has a dust filtering function, and filtered dust can be conveniently scraped and collected.

According to the columnar granular activated carbon preparation process adopting the multifunctional belt type microwave activation furnace, activated carbon is prepared through a post-forming method, compatibility and stability of raw materials are optimized through a multi-stage heating mode, shape and size consistency of the activated carbon is ensured through granulation equipment, and the columnar granular activated carbon is prepared through a microwave radiation heating process. Under a static state without an activating agent, non-differentiated efficient activation of a semi-finished product is realized, the activation uniformity and quality uniformity of the activated carbon are ensured, and pollution-free continuous production is realized. The invention also provides biomass columnar granular active carbon which has high specific surface area, excellent adsorption performance, mechanical strength and durability after being activated by a multifunctional belt type microwave activation furnace, and has wide application prospects in the fields of air purification, solvent recovery, liquid decolorization, catalyst loading, organic gas protection, waste gas treatment, water purification industry and the like.

The invention relates to a ferromanganese bimetallic oxide-loaded granular active carbon material, a preparation method and application thereof, and belongs to the technical field of environmental functional materials and water treatment.The preparation method comprises the following steps: determining the saturated water absorption volume of granular active carbon per unit mass; the preparation method comprises the following steps: sequentially and completely dissolving manganese acetate tetrahydrate and iron nitrate nonahydrate in deionized water, then adding citric acid monohydrate, and fully stirring for reaction to obtain a manganese-iron-citric acid sol system; putting the dried granular activated carbon into a manganese-iron-citric acid sol system, uniformly stirring, and standing to obtain iron-manganese impregnated granular activated carbon; transferring the iron-manganese impregnated granular activated carbon into a drying oven for drying to obtain dried iron-manganese impregnated granular activated carbon; the dry iron-manganese impregnated granular active carbon is calcined under the oxygen-limited or oxygen-free condition, equivalent-volume impregnation, a normal-temperature sol-gel method and a high-temperature calcination technology are combined, no organic solvent or high-pressure equipment is needed, operation is safe, no waste liquid is generated, and large-scale production of materials is easy to achieve.

The utility model provides a kind of air purification drying device for bottle blowing, it is related to bottle blowing processing technical field, and it includes: box body;The box body is fixed on bottle blowing equipment, and there is an exhaust pipe welded on the right side of box body, and the exhaust pipe is connected with bottle blowing gas supply pipeline, and filter screen seat is inserted on the box body.The device adopts filter screen and filter box double filtration structure, gas is first intercepted large particle impurities by filter screen, and then passes through filter box filled with filter cotton and activated carbon.Filter cotton can further filter fine particles, and activated carbon can effectively remove odour, harmful gas and other gases by virtue of strong adsorption capacity, and the combination of the two greatly improves the depth and precision of air purification;The base block at the top end of the inner wall of box body is connected with cleaning brush by spring rod, and when pulling filter screen seat, cleaning brush can automatically clean the sundries on filter screen, and spring rod can ensure that cleaning brush is always in close contact with filter screen, even if wear, it can also automatically follow up, reduce manual cleaning frequency, reduce maintenance cost and workload.

The utility model provides an integrated nanofiltration water purifier, which belongs to the technical field of water treatment and comprises an ultrafiltration membrane filter, a front granular active carbon filter, a polypropylene melt-blowing filter, a nanofiltration high-pressure pump, a nanofiltration membrane component, a rear granular active carbon filter and a water tank which are sequentially communicated through pipelines, a first polypropylene folding filter is also arranged between the rear granular active carbon filter and the water tank; and an ultraviolet sterilizer and a constant-pressure water supply pump are arranged on the water supply pipeline between the water tank and the water supply pipe network. After municipal tap water is treated by the integrated nanofiltration water purifier provided by the utility model, the effluent quality can meet the requirements of Water Quality Standard for Purified Water for Drinking (CJ94-2005), and the taste of the effluent quality can be improved through the rear granular active carbon, so that the water is sweet and delicious, the water quality is improved, and the satisfaction degree of a user is improved.

The utility model relates to the technical field of water heater inner containers, and provides a filterable inner container for a water heater, which comprises an inner container main body, the top of the inner container main body is provided with a water receiving pipe, the periphery of the inner wall of the water receiving pipe is provided with fixing grooves, the bottom of the inner wall of each fixing groove is welded with an inserting rod, and a first filtering pipe is inserted into the water receiving pipe. One end of the bottom of the first filter pipe is located in the inner container body, and the periphery of the first filter pipe is connected to the inserting rods in a clamped mode. According to the filterable inner container for the water heater, water can be added into the inner container body through the water receiving pipe, when water flows into the inner container body, triple filtration can be conducted through the first filter pipe, the second filter pipe and the filter cartridge, a large number of impurities in the water can be filtered out through the filter element and granular activated carbon, and generation of scale in the inner container body can be reduced advantageously; the service life of the inner container can be prolonged, and the impact force of water flow can be reduced when water is filtered through the first elastic blocking rod and the second elastic blocking rod.

The present invention relates to a method for producing a catalyst system comprising a catalytically active component and a supported catalyst, and also to the catalyst system itself. Granular activated carbon is used as a support. The catalytically active component is a metal, such as palladium. The activated carbon has a total pore volume of 0.8 to 3.9 ml / g, and at least 50% of the total pore volume of the activated carbon is formed by pores having a pore diameter of at least 2 nm. The BET specific surface area is 1000 to 3000 m<supgt;2< / supgt> / g. Before impregnating the metal precursor, the starting activated carbon is subjected to surface oxidation. The present invention also relates to the use of the catalyst system according to the present invention, and also to protective materials, filters and filter materials produced using the catalyst system according to the present invention or comprising such a catalyst system.

The invention discloses a Yellow River raw water coagulation-sand filtration-ultrafiltration treatment system and method based on a composite filter material, and belongs to the technical field of water treatment. The device comprises a coagulation unit, a sand filtration unit and an ultrafiltration unit which are sequentially connected in the water flow direction. Wherein the sand filtration unit is filled with multiple layers of composite filter materials, and the composite filter materials sequentially comprise an aluminum ion modified quartz sand layer, an aluminum ion modified quartz sand layer and an aluminum ion modified quartz sand layer from top to bottom, the granular active carbon layer is used for deeply adsorbing and removing small molecular organic matters; and the manganese sand layer is used for catalytically removing iron and manganese ions and is used as a supporting layer for stabilizing the filter bed. The method comprises the following steps: carrying out coagulation treatment on Yellow River raw water, introducing the treated Yellow River raw water into the composite sand filtration unit, carrying out deep pretreatment, and filtering the pretreated Yellow River raw water through the ultrafiltration membrane. According to the method, through gradient filtration and function cooperation of the composite filter material, the synchronous removal efficiency of turbidity and UV254 can be remarkably improved, high-quality inlet water is provided for an ultrafiltration membrane, membrane pollution is effectively controlled, system operation energy consumption is reduced, and the method has the advantages of being low in resource consumption, little in environmental pollution, good in economic benefit and the like.

A scalable water purification system for large-scale dialysis applications comprises a first carbon block vessel (worker vessel) connected in series to a second carbon block vessel (polisher vessel). The system includes one or more drain ports, air purge ports, pressure sensors, and sampling ports for monitoring and maintenance. A metal frame with levelling casters provides mobility, while at least one bypass valve allows the worker vessel to be bypassed for performance testing. Additional features include a multi-cartridge filtration unit for further contaminant removal, a UV-filtration unit for limiting biological growth, and a chlorine monitor for measuring chlorine and chloramine levels at various stages of water processing. This innovative design enhances water purification efficiency, reduces water usage, and simplifies maintenance compared to traditional granular activated carbon (GAC) systems.

The invention relates to equipment and a process for treating fine chemical wastewater through granular active carbon countercurrent adsorption, and relates to the technical field of wastewater treatment. The equipment comprises a countercurrent adsorption tank, granular activated carbon is arranged in the countercurrent adsorption tank, a forward flow water inlet pipe and a countercurrent water inlet pipe are further arranged on the countercurrent adsorption tank, one end of the forward flow water inlet pipe and one end of the countercurrent water inlet pipe are both communicated with the countercurrent adsorption tank, and the other end of the countercurrent water inlet pipe is communicated with the countercurrent adsorption tank. The other end of the forward flow water inlet pipe is communicated with a chemical wastewater source with first concentration, the other end of the reverse flow water inlet pipe is communicated with a chemical wastewater source with second concentration, and the first concentration is smaller than the second concentration; valves are arranged on the forward flow water inlet pipe and the reverse flow water inlet pipe, and the valve on the reverse flow water inlet pipe is used for opening the reverse flow water inlet pipe after the granular activated carbon adsorbs the chemical wastewater with the first concentration. The device has the effect of improving the utilization rate of the granular active carbon in the adsorption tank.

The invention belongs to the technical field of activated carbon, and particularly relates to a preparation method of biomass-based activated carbon for a carbon tank. The preparation method comprises the following steps: (1) uniformly mixing 40-45 parts by weight of powdered activated carbon, 19-23 parts by weight of modified phenolic resin, 5-10 parts by weight of a binder and 55-60 parts by weight of water, and kneading to obtain activated carbon mud; (2) extruding the activated carbon mud into granular activated carbon mud, and drying to obtain dried granular activated carbon; (3) in a nitrogen atmosphere, heating the dried granular activated carbon to 250-260 DEG C, and keeping the temperature for 1-1.5 h; and heating to 500-540 DEG C, preserving heat for 9-12 hours, finally heating to 700-760 DEG C, and preserving heat for 5-7 hours to obtain the biomass-based activated carbon for the carbon tank. The biomass-based activated carbon for the carbon tank prepared by the invention simultaneously realizes high adsorption and low impedance, and is high in strength.

A granular activated carbon (GAC) reactivation waste product enhanced activated sludge system for removing PFAS from a flow of wastewater and / or landfill includes at least one bioreactor including biomass to receive the feed water and to promote growth of biological flocs, and an impregnation subsystem to receive a flow of biomass and a predetermined amount of GAC reactivation waste product and to blend the biomass with the GAC reactivation waste product to form GAC reactivation waste product-impregnated biological flocs. The impregnation subsystem outputs a flow of GAC reactivation waste product-impregnated biological flocs to the bioreactor such that the GAC reactivation waste product-impregnated biological flocs in the bioreactor adsorb to and remove the PFAS from the treated water, and the bioreactor outputs a flow of GAC reactivation waste product-impregnated biological flocs and treated water. The system also includes at least one secondary clarifier coupled to the bioreactor which separates the GAC reactivation waste product-impregnated biological flocs from the wastewater and / or landfill leachate and produces a flow the treated water.

The invention relates to the technical field of granular activated carbon production, in particular to a low-energy-consumption low-emission waste heat and waste gas recycling granular activated carbon production and preparation device which comprises a base, a granulation assembly and a drying assembly, the granulation assembly comprises an extrusion cylinder and a spiral feeding rod, and the extrusion cylinder is fixed to the base and provided with a feeding port and a discharging port; the spiral feeding rod is rotatably arranged in the extrusion cylinder; the drying assembly comprises a receiving and feeding part, a spiral discharging part and a circulating heating part, and the spiral discharging part is fixed to the spiral feeding rod and provided with a spiral discharging channel. The granulation assembly and the drying assembly are integrated on one device, the prepared granular activated carbon can be directly dried, the time for transferring materials is effectively saved, and the efficiency for preparing the granular activated carbon is improved; the integrity of the granular activated carbon structure is not easily damaged in the drying process, and the quality of the finished granular activated carbon product is improved.

The invention discloses a VOCs waste gas continuous treatment device and method based on secondary activated carbon adsorption in the field of air pollution treatment, and aims to solve the technical problems that an existing VOCs waste gas treatment process depends on a boiler, treatment is discontinuous, the investment cost is high, and adaptability is poor. According to the device, an original gas collection pipeline and a fan of an enterprise are reformed, and a first-stage granular activated carbon adsorption unit and a second-stage fine-particle-size activated carbon adsorption unit are connected in series to form a closed-loop treatment system of collection, graded adsorption, pressure-boosting discharge and maintenance and update; according to the treatment method, continuous deep purification of the VOCs waste gas with medium and low concentration is realized by controlling the retention time of the waste gas in the two-stage adsorption unit and the particle size gradient of the activated carbon. The investment is less than or equal to 10 thousand yuan, the treatment gas amount is 8000m / h, the NMHC emission concentration is less than or equal to 50mg / m, the secondary standard of the table 2 of Integrated Emission Standard of Air Pollutants (GB16297-1996) is met, the device can continuously and stably run for more than or equal to 6 months in 24 hours, and the device is adaptive to the waste gas treatment requirements of chemical devices such as acetic acid, methanol and the like.

The application discloses a kind of high-efficiency cleaning methods of fine mud-adhered granular activated carbon, and relates to the field of adsorption separation technology.The method comprises the following steps: immersing granular activated carbon in a first aqueous medium, alternately performing pressure swing treatment by reducing pressure and increasing pressure, and discharging the medium containing fine mud that falls off;then, the activated carbon is cleaned by pulse ultrasonic cleaning using a second aqueous medium, at least two different ultrasonic frequencies are used in the cleaning process, and the medium is synchronously circulated, extracted, separated from fine mud and returned;finally, the activated carbon is treated with a final cleaning solution containing tetrasodium glutamate diacetate and sodium gluconate, and then washed with water to obtain cleaned granular activated carbon.By the synergistic effect of pressure disturbance, multi-frequency pulse ultrasonic, circulating mud removal and chelation cleaning, fine mud adhered to the surface and pores of the activated carbon can be efficiently removed, and the adsorption performance can be restored.The process is efficient and has good cleaning effect.

The utility model discloses a sintering machine flue gas dioxin removal device, and relates to the technical field of sintering flue gas dioxin treatment. A flue gas inlet of a fixed bed activated carbon adsorption tower is connected with a tubular heat exchanger through a connecting pipeline, and an electric air mixing valve is mounted at the connecting pipeline; the adsorption tower is divided into upper, middle and lower parts; the lower end of the lower part is a gas inlet outer hopper, the upper part is fixedly provided with a filler inner hopper, the filler inner hopper is filled with granular activated carbon filler, the lower end of the filler inner hopper is provided with an activated carbon discharge port and penetrates out of the lower end of the gas inlet outer hopper, and a flue gas inlet is formed in one side below the filler inner hopper; the lower end of the middle part is directly communicated with the lower part, and the upper end is separated from the upper part through a uniform distributor; the flue gas outlet is formed in one side of the upper part of the middle part; the upper part of the adsorption tower is used for supplementing and adding filler downwards through the activated carbon feeding hole; the device is simple in structure, easy in filler replacement and flexible in arrangement, and is suitable for removing dioxin pollutants in the flue gas of the sintering machine in iron and steel enterprises.

The invention relates to the technical field of dry cleaning machines, in particular to a dry cleaning machine door opening air purification and regeneration system which comprises a negative pressure gas capturing device and a carbon adsorber, the gas capturing device comprises a negative pressure gas suction port, a negative pressure gas suction channel and a catalytic device, and the negative pressure gas suction port is formed in the circumferential direction of a door frame of a dry cleaning machine; the negative-pressure air suction channel is communicated with the negative-pressure air suction port and the catalytic device, the catalytic device is communicated with the carbon adsorber through an air pipeline, a steam heating pipe, an electric heating pipe, a heat pump and a cold pump are arranged in the catalytic device, and through multi-stage temperature regulation (condensation and heating), the treatment effect on gaseous tetrachloroethylene is remarkably improved; the stainless steel container is filled with granular activated carbon powder, has high specific surface area and good adsorption performance, and can effectively adsorb gaseous tetrachloroethylene, so that the concentration of the tetrachloroethylene in the barrel is reduced to 2g / m < 3 > or below.

This utility model discloses a centrifugal wastewater collection device for the production of sodium dichloroquinoline-8-quinoline carboxylate, belonging to the field of wastewater collection technology. It includes a centrifugal filtration device, a distillation tower, an oxidation tank, a membrane filtration system, an activated carbon adsorption box, and a recovery water tank arranged sequentially. The activated carbon adsorption box includes a box body with several symmetrically arranged support legs at the bottom. An outlet is located at the top of the box body, an inlet is located on the bottom side wall, and a wastewater outlet is located at the center of the bottom. The box body has a water distribution layer, a coarse-particle activated carbon layer, and a fine-particle activated carbon layer distributed sequentially from bottom to top. This centrifugal wastewater collection device for the production of sodium dichloroquinoline-8-quinoline carboxylate purifies the wastewater after centrifugation, allowing it to be reused as process water or cooling water, reducing the amount of fresh water required.

The utility model relates to the technical field of barreled water processing, and discloses an activated carbon filter for barreled water processing, which comprises a filter shell and a filter shell cover mounted at the upper end of the filter shell through a fastener, a filter element assembly is mounted in the filter shell, a sewage discharge plug is mounted at the lower end of the filter shell, and a filter element is mounted in the filter shell. A filter element cover is embedded in the upper end of the filter element assembly, the filter element assembly comprises a filter cylinder, the filter cylinder is sequentially divided into a lower space, a middle space and an upper space from bottom to top, the lower space is filled with large-particle activated carbon, the middle space is filled with medium-particle activated carbon, and the upper space is filled with small-particle activated carbon. The filter element cover, the filter element assembly and the small-mesh filter screen and the medium-mesh filter screen in the filter element assembly can be directly detached, so that small-particle activated carbon, medium-particle activated carbon and large-particle activated carbon can be conveniently replaced; and after three-stage filtration, the water is discharged, so that the filtering effect is effectively improved.

The invention discloses a method for preparing modified granular activated carbon from fibrous plant raw materials and activated carbon, which comprises the following steps: soaking light fibrous plant raw materials difficult to process in citric acid, shredding, adding a certain amount of sodium humate, and fully mixing with diammonium hydrogen phosphate or ammonium dihydrogen phosphate; the preparation method comprises the following steps: preparing heavy particles with the particle size of 8mm-10mm through a hot press molding process at the temperature of 130-190 DEG C by using a granulator, carbonizing at a certain heating speed and temperature, introducing a certain amount of CO2 / N2 or air / water vapor mixed gas, and finally carrying out gradient activation at 850-950 DEG C-1000 DEG C to prepare the high-performance heavy particle active carbon. The defect that a traditional fibrous plant raw material is easily entrained by airflow to enter a tail gas system in the rotary furnace carbonization and activation process due to low density is overcome, and the light fibrous raw material can stably produce activated carbon. Meanwhile, the heavy granular activated carbon is subjected to modification treatment to prepare the modified granular activated carbon.

The utility model relates to the technical field of novel granular carbon adsorption boxes, and discloses novel granular carbon adsorption box equipment which comprises an adsorption box body, a granular carbon drawer is installed at the lower end of the interior of the adsorption box body, an air uniformizing plate is arranged on the left side of the adsorption box body, and a drawer access door is installed at the front end of the adsorption box body. A maintenance door is arranged on the left side of the drawer maintenance door and is mounted on the adsorption box body through a closed hand wheel; according to the novel granular carbon adsorption box equipment disclosed by the utility model, a variable-diameter air equalizing structure is additionally arranged, the air outlet is more uniform, the air equalizing effect is better, an opposite-opening double-V-shaped flow guide structure is additionally arranged, waste gas flow can be better guided to a granular active carbon windward surface, the active carbon windward surface is increased, and the granular active carbon adsorption efficiency is improved.

The invention relates to the technical field of activated carbon regeneration, and discloses a medium-temperature regeneration method and system for powdered activated carbon, and the method comprises the following steps: preparing waste activated carbon; preparing porcelain balls; drying the waste activated carbon; the waste activated carbon is fed into a regeneration tower through the chain bucket machine, and ceramic balls are conveyed to the chain bucket machine while the waste activated carbon falls onto the chain bucket machine, so that the ceramic balls enter the waste activated carbon; the waste activated carbon and the porcelain balls sequentially pass through the preheating section, the heating section and the cooling section of the regeneration tower. The ceramic balls and the waste activated carbon are conveyed to the regeneration tower together through the chain bucket machine, and in the process, the ceramic balls collide with and are mixed with powdery or granular activated carbon through vibration, so that hardening of the powdery activated carbon can be effectively avoided, complete conveying of the activated carbon and normal proceeding of subsequent procedures are effectively guaranteed, and the production efficiency is improved. In addition, the heating temperature is only 450 DEG C, the loss of the activated carbon is extremely low, the strength is not reduced, and the use effect is extremely good.

The invention discloses a microwave regeneration device and regeneration method for waste granular active carbon, the microwave regeneration device comprises a shell, a plurality of microwave generators, a plurality of temperature sensors, a gas distributor, a stirrer and a controller, the plurality of microwave generators are annularly arranged on the shell, and the formed radiation surface is basically vertical to the running direction of the waste granular active carbon; the plurality of temperature sensors are uniformly arranged on the inner wall of the shell; the gas distributor is arranged around the waste granular activated carbon, gas nozzles are uniformly distributed on the gas distributor, and the gas nozzles are arranged towards the inner side; the microwave generator and the temperature sensor are both connected with the controller; and a plurality of layers of stirring blades are arranged on the stirrer.

The invention discloses a composite adsorbent, an adsorption column, a silane filtration system and a filtration method, and relates to the field of silane purification. The composite adsorbent includes 50 to 53 parts of granular activated carbon, 28 to 30 parts of UiO-66, 18 to 22 parts of cationic exchange resins, 5 to 15 parts of aluminum oxide, 1 to 10 parts of nano zinc oxide, and 1 to 10 parts of silane coupling agent modified molecular sieves. The composite adsorbent provided by the present invention realizes efficient purification of silane through the synergistic effect between the components, is suitable for various silane purification systems, and can flexibly adjust the adsorption parameters according to different working conditions, has a wide range of industrial application value, and overall reflects the significant advantages in adsorption performance, stability and applicability, and provides an efficient and reliable technical solution for the silane purification industry, with obvious technical advancement and practical value.