41results about How to "Have the ability to regenerate" patented technology

The invention discloses a method for preparing a Sudan red I molecular imprinted polymeric adsorbent and application thereof. The method has the main technical characteristics of : adding Sudan red I, 4-vinyl pyridine, azodiisobutyronitrile and ethylene glycol dimethacrylate into a reactor in a certain molar ratio; introducing argon to remove oxygen in a chloroform medium; reacting for 24h at the constant temperature of 60 DEG C to obtain a bulk polymer; grinding the bulk polymer into fine particles; carrying out Soxhlet extraction for 24h with mixed solution of acetic acid and methanol in a volume ratio of 1:9 to remove template Sudan red I molecules; washing off residual organic matter with the methanol; finally eluting the fine particles with water and the methanol; filtering the fine particles to remove superfine particles; and drying the fine particles in vacuum at the temperature of 60 DEG C. The obtained Sudan red I molecular imprinted polymeric adsorbent has the advantages of specific identification ability to Sudan red I, high selectivity, high adsorption rate, high deabsorption performance, high physicochemical stability, high mechanical stability, and regeneration capacity.

The invention discloses a preparation method of a loofah sponge surface lead ion imprinted absorbing material and the use of the loofah sponge surface lead ion imprinted absorbing material in metal ion absorption and belongs to natural high polymer material modification. In the method, the loofah sponge natural high polymer material is used as a support, and the surface of the material is modified with a lead ion imprinted polymer. The main technical characteristics of the method include: adding acylated loofah sponge, lead-dithizone complex, 4-vinylpyridine, ethylene dimethacrylate and azodiisobutyronitrile into a chloroform medium, removing oxygen by argon in a certain proportion; introducing argon to expel oxygen; reacting in a water bath at a constant temperature of 50 to 70 DEG C, filtering and washing; and performing Soxhlet extraction by using 0.10mol / L solution of HNO3 for 12 hours, removing template lead ions, washing, drying and obtaining the material. The material has specific lead ion identification capacity, high selectivity, high absorption speed and high desorption capacity, is widely available and biodegradable, can be prepared by a simple process and has regeneration capacity and the advantages of environmental friendliness and the like.

The invention relates to a method for absorbing heavy metal in solution through carboxylic nano-crystal cellulose magnetic particles. The method comprises the steps of preparing microcrystal cellulose into nano-crystal cellulose, then preparing nano-crystal cellulose magnetic particles through graft modification and finally wrapping the nano-crystal cellulose magnetic particles in microcapsules to obtain nano-crystal cellulose magnetic particle absorbing agent. The absorbing agent can be used for absorbing heavy metal ions in the solution. According to the method, the microcrystal cellulose is prepared into the nano-crystal cellulose, then nano-crystal cellulose magnetic particles are prepared through graft modification, and finally the nano-crystal cellulose magnetic particles are wrapped in the microcapsules to obtain the nano-crystal cellulose magnetic particle absorbing agent. The method has the characteristics of being wide in raw material and low in cost, and the prepared absorbing agent achieves environmental friendliness, is free of pollution, can be used for absorbing various kinds of heavy metal like plumbum, chromium and copper in sewage, is large in absorbing capacity and good in effect and also has regenerating capacity.

The invention discloses a preparation method of a xanthate macro-pore dextrangel adsorbent and an application thereof. The preparation method comprises the steps of 1) rapidly cooling dextrangel immersed by distilled water to obtain macro-pore dextrangel; 2) placing the macro-pore dextrangel into an NaOH solution with the concentration of 10-30% and reacting at a constant temperature in a range of 50-60 DEG C for 15-60 min to obtain alkalified macro-pore dextrangel; and 3) enabling the alkalified macro-pore dextrangel and carbon disulfide to react to obtain the xanthate macro-pore dextrangel adsorbent. The preparation method disclosed by the invention has the characteristics of simple preparation method, large specific surface area, great quantity of xanthate, and high adsorption capability of adsorbing heavy metal, and the dextrangel has the characteristics of light weight and low cost, good stability, degradability, environmental friendliness and the like; and the adsorbent disclosed by the invention is used for treating the heavy metal in wastewater and analyzing the separation and enriching effect of the heavy metal in chemistry.

The invention relates to the field of thermal energy and power engineering, in particular to a heat-pipe heat exchanger and a heat exchange method. The heat-pipe heat exchanger comprises a heat pipe housing, at least one radiator, at least one heat collector, a heat insulating layer and an exhaust liquid-filling port, wherein the heat pipe housing comprises a single inner space, a heat transfer medium is filled into the lower portion of the inner space, each radiator is filled with a radiating medium, the radiators are positioned on the lower portion of the inner space and immersed in the heat transfer medium, each heat collector is filled with a heat collection medium, the heat collectors are positioned on the upper portion of the inner space and above the liquid level of the heat transfer medium, the heat insulating layer warps the outer wall of the heat pipe housing, the exhaust liquid-filling port is reserved at the top of the heat pipe housing or on the upper portion of the lateral wall of the heat pipe housing, the heat transfer medium is filled into the heat pipe housing through the exhaust liquid-filling port, and gas in the heat pipe housing is exhausted through the exhaust liquid-filling port. The heat-pipe heat exchanger is simple in structure, convenient in maintenance and better in heat exchange effect.

The invention discloses a preparation method of glucan gel surface Sudan red molecularly-imprinted adsorption material, and the application of the glucan gel surface Sudan red molecularly-imprinted adsorption material in selective adsorption and separation of Sudan red molecules in food analysis. The method takes glucan gel as a supporter, and Sudan red molecularly-imprinted polymer is modified on the surface of the supporter. The preparation method is mainly and technically characterized by comprising the steps of: adding Sudan red, ethylene glycol dimethacrylate, azodiisobutyronitrile and sulfydryl glucan gel according to a certain proportion; in acetonitrile medium, removing oxygen by inert gas, carrying out reaction at the constant temperature, filtering and washing; carrying out Soxhlet extraction for 8-12h by 0.4-0.8mol / L of hydrochloric acid-ethanol solution to remove Sudan red template molecules; and finally, washing and drying to obtain the glucan gel surface Sudan red molecularly-imprinted adsorption material. The material has specific recognition capability on the Sudan red molecules, is high in selectivity, rapid in adsorption speed, good in desorption performance, biodegradable and simple in technology, has regeneration capacity and has the advantages of being environment-friendly and the like.

The invention provides a preparation method of a porous adsorbent for adsorbing heavy metals in marine protein enzymatic hydrolyzate. The method comprises the following steps: pretreating a woody plant as a raw material to obtain woody plant cellulose; performing acid and alkali treatment to obtain the woody plant cellulose treated by acid and alkali, and preserving in a direr for later use; performing enzymolysis for degrading; and finally, performing carboxylation modification to obtain the carboxylic woody plant cellulose adsorbent of a porous structure. The preparation method has the characteristics of simple process, convenience in operation, widely available materials and low cost, and the prepared porous adsorbent is green and pollution-free, has an effect of efficiently removing the heavy metal ions in marine protein enzymatic hydrolyzate, can be used for adsorbing various heavy metals in marine protein enzymatic hydrolyzate, such as lead, cadmium and copper, is high in adsorption capacity and good in effect, has the capability of regeneration and recycling, and can be repeatedly used.

The invention relates to a method for preparing a nanocrystalline cellulose magnetic particle adsorbent. The method comprises the steps of preparing nanocrystalline cellulose from microcrystalline cellulose, then, preparing nanocrystalline cellulose magnetic particles through grafting modification, and finally, encapsulating the nanocrystalline cellulose magnetic particles by microcapsules, thereby obtaining the nanocrystalline cellulose magnetic particle adsorbent. According to the method, the nanocrystalline cellulose magnetic particle adsorbent is prepared through preparing the nanocrystalline cellulose from the microcrystalline cellulose, then, preparing the nanocrystalline cellulose magnetic particles through grafting modification, and finally, encapsulating the nanocrystalline cellulose magnetic particles by the microcapsules. The method has the characteristics of extensive raw materials and low cost, and the prepared adsorbent is environment-friendly and pollution-free, can be used for adsorbing a variety of heavy metals such as lead, chromium and copper in sewage, is high in adsorption capacity and good in effect and has regeneration capacity.

The invention discloses a lignum aquilariae resinatum mask and a preparation method thereof. The lignum aquilariae resinatum mask is prepared from the following main components: water, propanediol, carbomer, sodium hyaluronate, xanthan gum, hydroxyethyl urea, a lignum aquilariae resinatum extract, an oat extract, beta-glucan, European verbena leaf and stem extracts, hydrolyzed collagen, triethanolamine and decoyl hydroximic acid. According to the lignum aquilariae resinatum mask disclosed by the invention, natural component extracts of the lignum aquilariae resinatum extract, a European verbena leaf extract and a European verbena stem extract are added, and the prepared mask is enabled to have a stronger moisturizing function through the synergistic effect of the three natural extracts, iscapable of enabling cells to expand, has the effects of whitening, brightening the skin color, tightening the skin, repairing damaged skin and delaying aging, and has regeneration capacity on the cells; the lignum aquilariae resinatum mask integrates the theory of traditional Chinese medicine and the theory of natural products-cosmetics, is good in stability and has no heavy metal ions and othertoxic substances.

The invention relates to a sewage filtering and taking device for a sewage source heat pump system. The sewage filtering and taking device comprises a sinking pump room (30), a water taking well (40), a trunk sewer (50), an outer filter cartridge (1), outer filtering holes (1-1) formed in the outer filter cartridge (1), a water suction pipe (2), inner filtering holes (2-1) formed in the water suction pipe (2), a boss (13), an anchor cone (14), a guide rod (3) and the like; the sewage filtering and taking device further comprising an outer filter cartridge lifting device, an outer filter cartridge decontamination device and an inner filter cartridge decontamination device, wherein the outer filter cartridge lifting device consists of a lifting rope (6), a lifting beam (7), a pulley (8), a winch (10) and a lifting button (11); the outer filter cartridge decontamination device consists of a sweeping ring (5), a sludge scraper (15) and a water cleaning ring (18); the inner filter cartridge decontamination device consists of four arc-shaped sludge scrapers (19) embedded on the inner wall of the outer filter cartridge (1). The sewage filtering and taking device can be directly soaked in a sewage culvert or a main canal, a drainage pool and a buffer pool are not needed to be built, river closure is not needed to be carried out on the sewage, and the sewage filtering and taking device can be installed only by punching on the top of the main canal. The sewage filtering and taking device is convenient to install and maintain, safe in construction and less in investment, is capable of avoiding the sewage source heat pump system being blocked, is stable in water taking, can prevent secondary pollution, and is reliable in filtering quality, rapid in sewage removal and long in service life.

The invention discloses a thermosensitive hydrogel adsorbent and a preparation method thereof. The preparation method of the thermosensitive hydrogel adsorbent comprises dissolving thermosensitive monomers, carboxyl-containing monomers, graphene, crosslinking agent and initiator into water, inletting inert gas to remove dissolved oxygen, adding in initiator accelerant, and performing sealed reaction at -25-60 DEG C to obtain hydrogel; unfreezing, slicing, soaking and vacuum-drying the obtained hydrogel to obtain the thermosensitive hydrogel adsorbent. The thermosensitive hydrogel adsorbent prepared through the method above can efficiently separate and recover rare earth metal ions in aqueous solution. The invention also discloses a method for selectively adsorbing, separating and recovering rare earth metal ions. The method comprises mixing the thermosensitive hydrogel adsorbent with solution containing the rare earth metal ions for selective adsorption and separation; contracting anddehydrating the post-adsorption thermosensitive hydrogel adsorbent at 40-70 DEG C; eluting the contracted thermosensitive hydrogel adsorbent to recover the rare earth metal ions.

The invention provides a preparation method for a nanocrystalline cellulose magnetic particle capable of adsorbing heavy metal ions. According to the invention, platane wood or willow is used as a raw material to prepare microcrystalline cellulose; then nanocrystalline cellulose is prepared; and finally, the nanocrystalline cellulose magnetic particles are prepared through graft modification. The preparation method has the characteristics of easy availability of raw materials and low cost; and the prepared adsorbent, i.e., the nanocrystalline cellulose magnetic particle, is green, environment friendly and free of pollution, can be used for adsorbing a plurality of heavy metals like lead, chromium and copper in seafood sauce and has great adsorption capacity, good effect and regeneration ability.

A process for preparing bricks from sea silt through curing, mixing it with anti-cracking material, sintered coal and desalting agent, stirring, shaping, drying and sintering.

The invention discloses a method for improving temporary culture and wintering survival rate of portunus trituberculatus and belongs to the field of aquaculture techniques. The method comprises the steps of selecting high-quality portunus trituberculatus to wash, removing attach force of rock dynamic limbs, disinfecting, performing temporary culture and wintering; the step of removing the attach force of rock dynamic limbs adopts the technical solution of achieving the same technical effect by removing the rock dynamic limbs. According to the method, the rock dynamic limbs of the portunus trituberculatus are removed, so that the portunus trituberculatus loses the capability of clamping and attacking, the fight and harm between the portunus trituberculatuses can be reduced; after removing the dynamic limbs, the temporary culture and wintering survival rate of portunus trituberculatus is greatly improved; the temporary culture and wintering density is improved by more than two times; the utilization rate of facilities is improved; the cost can be reduced; and the income can be increased.

The invention relates to a processing method and a system of rinsing waster water in a printed circuit board. The method carries out the solid-liquid separation of the rinsing waste water, filters the waste water to control the particles in the waste water not to be larger than 30 micron and then filters the waste water to set discharge standard through a SiC porous ceramic filter leaf. The system comprises a solid-liquid separating device, a preliminary filtering unit and a depth-type filtering unit. The preliminary filtering unit uses a filtering net or a high molecular film to be a filtering element; the depth-type filtering unit comprises a multilevel filtering unit that uses the SiC porous ceramic filter leaf as the filtering element. The set level of the filtering unit causes drained water after filtering to meet the set standard. The invention adopts the physical filter and adsorption instead of the chemical reaction, thus having remarkable absorption and filter effect of heavy metal ions without introducing other substances. With low cost, little energy consumption, simple operation, small occupied area and wide application scppe, the invention has the good application outlook and the remarkable social benefits.

The invention discloses preparation and application of sulfonitride heavy metal ion chelating polymer microspheres, relating to the technical field of preparation of functionalized polymer materials and treatment of waste water including heavy metal ions. The sulfonitride heavy metal ion chelating polymer microsphere is synthesized by suspension polymerization with 4-vinylpyridine and polyethylene glycol methacrylate as polymerizing monomers and thiodiglycol dimethacrylate as a cross-linking agent; the cross-linked polymer microsphere contains sulfur and nitrogen functional ligands to enhancethe chelating removal effect for the heavy metal ions, achieve the polymerization and the chelating agent functionalization by one-step method and effectively avoid the release of a chelating agent; and the cross-linked polymer microsphere has excellent mechanical intensity and can be used for filling columns or beds to remove the heavy metal ions. The preparation method is a high-efficient, simple and feasible process flow, is not easy to cause the secondary pollution, and has the advantages of simple structure of required equipment, convenience for operation, low production cost, and easiness in controlling conditions.

The invention relates to a method for preparing a nanocrystalline cellulose magnetic particle adsorbent. The method comprises the steps of preparing nanocrystalline cellulose from microcrystalline cellulose, then, preparing nanocrystalline cellulose magnetic particles through grafting modification, and finally, encapsulating the nanocrystalline cellulose magnetic particles by microcapsules, thereby obtaining the nanocrystalline cellulose magnetic particle adsorbent. According to the method, the nanocrystalline cellulose magnetic particle adsorbent is prepared through preparing the nanocrystalline cellulose from the microcrystalline cellulose, then, preparing the nanocrystalline cellulose magnetic particles through grafting modification, and finally, encapsulating the nanocrystalline cellulose magnetic particles by the microcapsules. The method has the characteristics of extensive raw materials and low cost, and the prepared adsorbent is environment-friendly and pollution-free, can be used for adsorbing a variety of heavy metals such as lead, chromium and copper in sewage, is high in adsorption capacity and good in effect and has regeneration capacity.

The invention discloses a method for efficiently obtaining chimera-free tetraploid cortex magnoliae officinalis plants and cells. The method comprises the following steps of preparing embryogenic cellinduction materials of which the pore diameter is 200-100[mu]m, treating the embryogenic cells of 200-100[mu]m with colchicine of different concentrations, enabling the treated embryogenic cells to grow and plants to regrow, identifying tetraploid cells and plants, and domesticating and transplanting cortex magnoliae officinalis tetraploid cell differentiation embryos, somatic embryo differentiation plants and tetraploid cortex magnoliae officinalis tissue culture seedlings. According to the method for efficiently obtaining chimera-free tetraploid cortex magnoliae officinalis plants and cells, the redoubling efficiency of cortex magnoliae officinalis diploid can be notably improved, a key technology difficult problem that in the polyploid breeding process, chimeras are easy to generate, is solved, the polyploid breeding efficiency is greatly improved, and large-scale application of a polyploid breeding technique to generate the chimera-free tetraploid cortex magnoliae officinalis plants and cells is possible to realize.

The invention discloses a method for improving temporary culture and wintering survival rate of portunus trituberculatus and belongs to the field of aquaculture techniques. The method comprises the steps of selecting high-quality portunus trituberculatus to wash, removing attach force of rock dynamic limbs, disinfecting, performing temporary culture and wintering; the step of removing the attach force of rock dynamic limbs adopts the technical solution of achieving the same technical effect by removing the rock dynamic limbs. According to the method, the rock dynamic limbs of the portunus trituberculatus are removed, so that the portunus trituberculatus loses the capability of clamping and attacking, the fight and harm between the portunus trituberculatuses can be reduced; after removing the dynamic limbs, the temporary culture and wintering survival rate of portunus trituberculatus is greatly improved; the temporary culture and wintering density is improved by more than two times; the utilization rate of facilities is improved; the cost can be reduced; and the income can be increased.

The invention relates to a method for adsorbing lead ions in a solution by nanocrystalline cellulose magnetic particles. The method comprises the steps of preparing nanocrystalline cellulose from microcrystalline cellulose, then, preparing nanocrystalline cellulose magnetic particles through grafting modification, finally, encapsulating the nanocrystalline cellulose magnetic particles by microcapsules so as to obtain a nanocrystalline cellulose magnetic particle adsorbent, and adsorbing the lead ions in the solution by using the adsorbent. The method has the characteristics of extensive raw materials and low cost, and the prepared adsorbent is environment-friendly and pollution-free, can be used for adsorbing a variety of heavy metals such as lead in sewage, is high in adsorption capacity and good in effect and has regeneration capacity.

The invention relates to the technical field of intelligence, in particular to a green packaging box which comprises a box bottom plate, the top of the box bottom plate is fixedly connected with a box body mechanism, the box body mechanism is provided with a box cavity, a protection plate is arranged in the box cavity in a sleeved mode, an embedding opening is formed in the top of the box body mechanism, and an insertion frame is arranged in the embedding opening in a sleeved mode. When the protection plate is placed in the box cavity, the movable triangular sleeve moves towards the interior of the movable cavity under the extrusion action of the edges, so that after the movable triangular sleeve completely enters the movable cavity, the bevel edge at the bottom of the trapezoidal column makes contact with the edges, and under the extrusion action, the bevel edge at the bottom of the trapezoidal column can extrude the movable cavity towards one side; in this way, the second elastic inserting strip and the first elastic inserting strip are recycled, then the top containing plate can quickly enter the box cavity, and when the top containing plate moves to the position of the bearing clamping groove, the second elastic inserting strip and the first elastic inserting strip can be clamped in the bearing clamping groove under the elastic effect.

The invention relates to a regenerative marine purification device which comprises two groups of adsorption regeneration devices, an air outlet box and a photocatalyst catalytic tank. Outlets of the two groups of adsorption regeneration devices are provided with air quality sensors and communicated with the air outlet box, the adsorption regeneration devices each include a fan and an adsorption regeneration column, the fan is communicated with an inlet of the adsorption regeneration column, a filter screen is disposed in the adsorption regeneration column, activated carbon is adopted for filling between the filter screen and an outlet of the adsorption regeneration column, and column cavities between the inlets of the adsorption regeneration columns of the two groups of adsorption regeneration devices and the filter screen are communicated through the photocatalyst catalytic tank. The regenerative marine purification device is simple in structure and convenient to use, and uninterrupted purification and purification quality can both be taken into account.

The invention provides a preparation method for a nanocrystalline cellulose magnetic particle capable of adsorbing heavy metal ions. According to the invention, platane wood or willow is used as a raw material to prepare microcrystalline cellulose; then nanocrystalline cellulose is prepared; and finally, the nanocrystalline cellulose magnetic particles are prepared through graft modification. The preparation method has the characteristics of easy availability of raw materials and low cost; and the prepared adsorbent, i.e., the nanocrystalline cellulose magnetic particle, is green, environment friendly and free of pollution, can be used for adsorbing a plurality of heavy metals like lead, chromium and copper in seafood sauce and has great adsorption capacity, good effect and regeneration ability.

The invention discloses a preparation method and an applied technology of hydrosulphonyl functionalized loofah, wherein the preparation method is characterized by comprising the following steps: adding thioglycolic acid, tetrahydrofuran, alkalized loofah and concentrated sulfuric acid into a triangular flask with a plug according to mass percentage, plugging, placing the triangular flask at the temperature of 40 DDEG C for 48 hours, then washing with deionized water, filtrating through suction until a filtrate is neutral, washing with a small amount of ethanol, and then putting into a baking oven with the temperature of 35 DEG C for drying to obtain the hydrosulphonyl functionalized loofah. The obtained hydrosulphonyl functionalized loofah has large adsorptive capacity for metallic ions, hydrosulphonyl characteristics, high adsorption efficiency, high adsorption speed, strong selectivity, good desorption performance, good physicochemical stability, excellent mechanical stability and regeneration capacity, can directly adsorb and elute various metallic ions in a water body, and can be used in a wider acid-base range.

The invention discloses a thermosensitive hydrogel adsorbent and a preparation method thereof. The preparation method of the thermosensitive hydrogel adsorbent comprises dissolving thermosensitive monomers, carboxyl-containing monomers, graphene, crosslinking agent and initiator into water, inletting inert gas to remove dissolved oxygen, adding in initiator accelerant, and performing sealed reaction at -25-60 DEG C to obtain hydrogel; unfreezing, slicing, soaking and vacuum-drying the obtained hydrogel to obtain the thermosensitive hydrogel adsorbent. The thermosensitive hydrogel adsorbent prepared through the method above can efficiently separate and recover rare earth metal ions in aqueous solution. The invention also discloses a method for selectively adsorbing, separating and recovering rare earth metal ions. The method comprises mixing the thermosensitive hydrogel adsorbent with solution containing the rare earth metal ions for selective adsorption and separation; contracting anddehydrating the post-adsorption thermosensitive hydrogel adsorbent at 40-70 DEG C; eluting the contracted thermosensitive hydrogel adsorbent to recover the rare earth metal ions.

The invention discloses a preparation method of a loofah sponge surface lead ion imprinted absorbing material and the use of the loofah sponge surface lead ion imprinted absorbing material in metal ion absorption and belongs to natural high polymer material modification. In the method, the loofah sponge natural high polymer material is used as a support, and the surface of the material is modified with a lead ion imprinted polymer. The main technical characteristics of the method include: adding acylated loofah sponge, lead-dithizone complex, 4-vinylpyridine, ethylene dimethacrylate and azodiisobutyronitrile into a chloroform medium, removing oxygen by argon in a certain proportion; introducing argon to expel oxygen; reacting in a water bath at a constant temperature of 50 to 70 DEG C, filtering and washing; and performing Soxhlet extraction by using 0.10mol / L solution of HNO3 for 12 hours, removing template lead ions, washing, drying and obtaining the material. The material has specific lead ion identification capacity, high selectivity, high absorption speed and high desorption capacity, is widely available and biodegradable, can be prepared by a simple process and has regeneration capacity and the advantages of environmental friendliness and the like.

The invention discloses a preparation method of a film adsorbing material. The preparation method mainly comprises the steps of crushing with a crusher, adding water, trichloromethane and gasoline to a crushed plastic sheet for cleaning, adding acid, filtering, dissolving, cleaning with clear water, drying, and pelleting to allow the plastic sheet to become a granular plastic raw material. The film adsorbing material prepared through the preparation method is high in selectively, high in adsorption rate, and simple in technology, has regeneration capacity, and reduces harm to an environment; and moreover, the preparation method of the film adsorbing material, provided by the utility model, meets the environmental requirements best.

The invention relates to a method for adsorbing lead ions in a solution by nanocrystalline cellulose magnetic particles. The method comprises the steps of preparing nanocrystalline cellulose from microcrystalline cellulose, then, preparing nanocrystalline cellulose magnetic particles through grafting modification, finally, encapsulating the nanocrystalline cellulose magnetic particles by microcapsules so as to obtain a nanocrystalline cellulose magnetic particle adsorbent, and adsorbing the lead ions in the solution by using the adsorbent. The method has the characteristics of extensive raw materials and low cost, and the prepared adsorbent is environment-friendly and pollution-free, can be used for adsorbing a variety of heavy metals such as lead in sewage, is high in adsorption capacity and good in effect and has regeneration capacity.