259 results about "Granular activated carbon" patented technology

The invention relates to the technical field of waste gas treatment, in particular to automatic temperature control type waste gas adsorption equipment for preparing an emulsifier, the automatic temperature control type waste gas adsorption equipment comprises a filter box, a gas inlet and a gas outlet, a plurality of filter screen frames are arranged in the filter box, and the filter screen frames are filled with granular activated carbon; a feeding pipe and a discharging pipe are respectively arranged at the top and the bottom of the filter screen frame; a collecting tank is arranged at the bottom of the filter box; a material distributing mechanism is arranged at the top of the filtering box; by arranging the collecting tank, the material distributing mechanism and the material lifting assembly, dynamic flowing of activated carbon in the filter screen frame is achieved, and when activated carbon in a local area reaches a saturated state, the activated carbon is moved to the collecting tank through the material discharging pipe and then lifted to the top of the filter box through the material lifting assembly; by means of the mode, local saturation is avoided, the overall adsorption efficiency is improved, and the service life of the activated carbon is prolonged.

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 provides a granular activated carbon desorption treatment device, which comprises an electric heating box, a connecting plate, a flexible rubber bag and a stirring mechanism, the stirring mechanism comprises a rotating motor, a rotating shaft, a stirring blade, a rotating rod, a raised head and a synchronizing mechanism, after activated carbon is placed in the electric heating box, the activated carbon can be desorbed in a high-temperature environment, and the desorption effect is good. In the high-temperature desorption process, the rotating motor can drive the stirring blades to rotate through the rotating shaft, the stirring blades can change the position of the activated carbon in the horizontal direction, and meanwhile, the rotating rod can synchronously move with the rotating shaft through the synchronizing mechanism; the raised heads arranged on the top surface can jack up different positions of the flexible rubber pocket in the rotating process, so that the activated carbon can be changed in position in the vertical direction, the activated carbon at different positions can be uniformly heated, and the desorption effect is improved.

The invention relates to a preparation method and application of pore channel hydrophobic modified activated carbon, the preparation method adopts organosilane as a modifier, granular activated carbon is modified into pore channel hydrophobic modified activated carbon by a soaking method, the preparation conditions are green, efficient and mild, and the pore channel hydrophobic modified activated carbon cannot be crosslinked to block pores in the high-temperature modification process; the internal developed pore structure of the pore channel hydrophobic modified activated carbon is subjected to sufficient hydrophobic modification, and the water absorption rate of the granular activated carbon is greatly reduced, so that the adsorption rate of organic pollutants in high-humidity waste gas is remarkably improved; the use efficiency of the granular activated carbon is obviously improved in the working condition of practical application; the porous hydrophobic modified activated carbon prepared by the preparation method is applied to high-humidity organic waste gas treatment.

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 belongs to the technical field of sewage treatment, and particularly relates to a low-ammonia-nitrogen wastewater treatment method based on an iron-loaded particle activated carbon coupled anaerobic fluidized bed membrane bioreactor, a reaction system and application. The low-ammonia-nitrogen wastewater treatment method comprises the following steps: in an anaerobic fluidized bed membrane bioreactor, adding iron-loaded granular active carbon, inoculating mixed sludge, introducing to-be-treated low-ammonia-nitrogen wastewater for denitrification treatment, forming feed liquid circulation by the low-ammonia-nitrogen wastewater under the action of a circulating pump in the denitrification process, and discharging the low-ammonia-nitrogen wastewater to the anaerobic fluidized bed membrane bioreactor. The iron-loaded granular active carbon and the mixed sludge in the reactor are in a fluidized state, and then carrying out membrane separation to obtain effluent; the mixed sludge at least comprises nitrosation-anaerobic ammonia oxidation sludge and iron anaerobic ammonia oxidation sludge. Aiming at low-ammonia-nitrogen wastewater treatment at normal temperature, the method provided by the invention enables the low-ammonia-nitrogen wastewater in a normal-temperature environment to realize a good denitrification treatment effect under the synergistic effect of the iron-loaded granular active carbon and the mixed sludge.

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 relates to the technical field of wastewater treatment, and discloses a device for recovering precious metal from refining wastewater, the device comprises a device box body, anode adsorption plates and cathode desorption plates are arranged in the device box body in a staggered manner, and cathode desorption plate conductive strips are arranged at the tops of the cathode desorption plates; according to the device, precious metal ions are adsorbed through activated carbon fibers, migration of the precious metal ions is promoted through an external electric field, the efficient adsorption and desorption process of the metal ions is achieved, the adsorption efficiency of the precious metal ions is improved, and the adsorption efficiency of the precious metal ions is improved. Precious metals such as gold, silver, copper, platinum and palladium can be effectively recovered, the specific surface area of the used activated carbon fibers is large, the adsorption capacity and the adsorption rate are far higher than those of traditional granular activated carbon, a large number of precious metal ions can be adsorbed within a short time through optimized adsorption materials and devices, and the recovery efficiency is greatly improved.

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.

Systems and methods for treating activated carbon used in treatment of water and wastewater containing PFAS are disclosed. A vapor phase granular activated carbon (GAC) column or an internal combustion engine may be fluidly connected downstream of a thermal oxidation process to polish a vapor phase effluent associated with reactivation.

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 belongs to the technical field of activated carbon production, and particularly relates to a particle forming device for granular activated carbon. The screw extruder is fixedly mounted at the top of the support, a feed port is formed in the top of the screw extruder, and an extrusion head is mounted at the right end of the screw extruder; the left end of the blanking sleeve is fixedly arranged on the extrusion head in a sleeving manner; the box body is fixedly mounted at the top of the discharging sleeve; the material cutting assembly comprises a motor, a rotating column, a sliding rod, a connecting rod and a cutter, the motor is fixedly installed at the top of the box body, and the bottom end of the rotating column is rotationally connected to the top of the discharging sleeve. And the granular activated carbon can be guided to be discharged into the collecting box through a discharging sleeve, so that the activated carbon is conveniently collected.

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 utility model discloses a Fenton oxidation reaction device which is characterized by comprising an iron-carbon reaction tank, a first Fenton oxidation tank and a second Fenton oxidation tank which are sequentially connected through a water pipe, iron-carbon filler is arranged in the iron-carbon reaction tank and filled with scrap iron and granular active carbon filler, and the first Fenton oxidation tank is connected with the second Fenton oxidation tank through a water pipe. The device has the advantages that ferrous sulfate is replaced by introducing the iron-carbon reaction tank, and the iron-carbon reaction tank is filled with articles which can be collected usually, so that the cost is lower than that of the ferrous sulfate; and the iron-carbon reaction tank can play roles in the following two aspects: 1, iron-carbon oxidation reaction is carried out on iron carbon and some substances in the wastewater to decompose part of organic matters, and 2, ferrous ions are generated after the reaction of sulfuric acid and iron and are provided for subsequent Fenton reaction, so that the wastewater purification cost of an enterprise is reduced on the whole, and the economic benefit of the enterprise is improved. And the purification discharge standard of the wastewater is improved.

The utility model discloses a pneumatic conveying blanking recycling pipeline for granular activated carbon. The pneumatic conveying blanking recycling pipeline comprises a discharging assembly and a blowing assisting assembly communicated with the discharging assembly. The discharging assembly comprises a main discharging pipeline, a first discharging opening, a second discharging opening, a protruding part and a connecting flange, wherein the first discharging opening and the second discharging opening are formed in the main discharging pipeline, the protruding part is arranged on the front section of the main discharging pipeline, and the connecting flange is installed on one side of the protruding part. The problem that a horizontal pipeline is difficult to unload is solved, low-breakage-rate unloading of granular activated carbon is achieved, whole-course pipelining, sealing, automation, dust-free, environment-friendly and intelligent effects are achieved, the problem that time and labor are wasted in traditional manual unloading is solved through development of the pneumatic conveying falling material recycling pipeline, unloading efficiency is improved, labor cost is reduced, and production efficiency is improved. And the economic burden of industrial enterprises is relieved, the working environment of workers is improved, and important social significance is achieved.

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 relates to a campus hot water purifier capable of setting water yield, and relates to the technical field of water treatment. Comprising a tap water inlet, a raw water tank, a PP cotton filter element, a granular activated carbon filter element, a compressed activated carbon filter element, a combined membrane device, an ultraviolet sterilization device, a three-way valve, a (cold water outlet), a heat exchange device, a heat preservation heating water tank, a hot water outlet electromagnetic valve and a hot water outlet which are sequentially connected. In addition, the device further comprises a water inlet electromagnetic valve, a water inlet pump, a high-pressure pump, a temperature sensor, a flow meter I, a flow meter II, a hot (cold) water outlet electromagnetic valve, a touch display screen and a PLC (programmable logic controller). Campus users swipe campus cards or scan codes to select required hot water or cold water and required water receiving amount, and the hot water purifier automatically discharges water and automatically cuts off water, so that water discharging automation is realized, water sources are saved, and the hot water purifier is safe and convenient.

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 invention provides a treatment method of household garbage leachate. The treatment method comprises the following steps: measuring index data of to-be-treated garbage leachate; carrying out preliminary filtration on the leachate; the sodium carbonate and sodium hydroxide solution and calcium and magnesium ions are added to achieve the hardness removal effect; adjusting the pH value of the filtrate to 4-6, adding a sodium hypochlorite solution, adjusting the pH value of the solution obtained after bentonite decoloration and sand-water separation to 7-8, and adding polyaluminum ferric chloride and cation PAM; carrying out electrolytic treatment; and adding granular active carbon. In the physicochemical treatment stage, the conductivity of the leachate is remarkably reduced, the water quality is softened, the chromaticity of the leachate and part of water quality indexes are reduced, after physicochemical treatment, a large number of chlorine-containing free radicals, hypochlorous acid and other strong oxidizing substances are generated on the surface of the anode by means of electrochemical oxidation, and the indexes such as COD, ammonia nitrogen and total nitrogen are further controlled; and finally adsorbing by using granular active carbon. The technological process is clear, easy to operate, economical and efficient.

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.

The invention discloses a stable activated carbon degreaser which comprises an oil removal tank, a tank cover, an air outlet pipe, an air inlet pipe and activated carbon, and further comprises an activated carbon pressing structure which comprises a lower pressing assembly arranged at the bottom in the oil removal tank, an upper pressing assembly arranged in the tank cover and an inclined discharging pipe arranged at the lower end of the outer side of the oil removal tank, and the oil removal tank is filled with the activated carbon; the inner top plate decontamination structure comprises a heating piece arranged in the upper pressing assembly, and the heating piece penetrates through the upper pressing assembly through an outer guide pipe to be communicated with an external circuit; the activated carbon is divided into large-particle activated carbon and small-particle activated carbon, the segmented arrangement structure comprises a containing tool arranged in the oil removal tank, the containing tool is divided into an upper part and a lower part through a breaker, the lower half part of the containing tool is filled with the large-particle activated carbon, and the lower half part of the containing tool is filled with the small-particle activated carbon; according to the present invention, the gas quality can be improved, and the efficient adsorption capacity and the long service life are provided.

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 discloses an acidification device for activated carbon preparation, and relates to the technical field of activated carbon preparation, the acidification device comprises a placing cylinder, the lower part in the placing cylinder is fixedly connected with a collecting cylinder for collecting impurities, and the collecting cylinder is detachably connected with an acidification cylinder for acidification reaction of activated carbon; and a turbine pump is mounted in the collecting barrel. Compared with a direct mechanical stirring mode, the method that the acidification cylinder rotates to discharge separated impurities and is matched with the turbine pump to promote acid liquor to circularly flow is adopted, granular activated carbon can be treated more mildly, the impurity separation efficiency is improved, the risk of damage to the activated carbon structure is reduced, efficient impurity removal and structure protection are both considered, and the service life of the activated carbon is prolonged. Under the condition of not directly stirring by external force, the liquidity between the acid liquor and the activated carbon particles is accelerated by utilizing the fluid dynamics principle, so that the acidification regeneration effect is ensured, the structural form of the activated carbon is maintained, and the long-term use performance and cyclic utilization of the activated carbon are facilitated.

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.