381results about How to "Increase added value" patented technology

The invention provides a method of producing prime city naphtha, lube base oil and pyroparaffine from Fischer-Tropsch processed wax. The invention includes: a) contacting the Fischer-Tropsch processed wax with the hydrogenated refined catalyst in a hydrogenation refining reaction zone 1, separating the product in the zone, and obtaining a distillate the final distilling point of which is lower than 380 DEG C to 550 DEG C and a distillate the initial distilling point of which is higher than 380 DEG C to 550 DEG C; b) contacting the distillate the final distilling point of which is lower than 380-550 DEG C to 550 DEG C with a hydrogenated isomerization catalyst in a wax hydrogenation conversion reaction zone, and preparing a wax conversion produced oil the pour point of which is lowered; c) contacting the wax conversion produced oil with the hydrogenated refined catalyst in a hydrogenation refining reaction zone II, and separating the product in a distillation zone 2, obtaining at least one kind of solvent oil and at least one kind of lube base oil; d) contacting the distillate the initial distilling point of which is higher than 380 DEG C to 550 DEG C with a hydrogenated refined catalyst in a hydrogenation refining reaction zone 3, thereby obtaining a wax which is hydrogenated and discolored.

A recovery of a secondary DB is executed by a log including a update difference of a primary DB, and a command is executed by adding the command to the log and analyzing the log by a secondary site. An operation command execution in the secondary site is applied to the DB having the consistency in the transaction at the same timing as a primary site or an intended timing, by transferring and executing the operation command via the log. In the case that the command is constituted by a snap shot generating instruction, a plurality of volumes of a mirror set forming a secondary storage apparatus are set to a pair state and the secondary DB is written in each of the volumes and synchronized, and the mirror set is set to a split state after the synchronization is finished, whereby a secondary DB is stored.

The invention relates to an efficient agricultural ecological cycle system with zero release and zero pollution. The system comprises a farmland production system, a pig raising system, a nursery stock and vegetable planting system and a special specie cultivation system, wherein the farmland production system comprises a plurality of lands for producing raw materials such as corns, barley, wheat and the like; the pig raising system comprises pig farms, normal-temperature anaerobic biogas digesters, intermediate-temperature tank type biogas digesters and heating boilers; the nursery stock and vegetable planting system comprises nursery stock gardens, vegetable and flower gardens, lotus root ponds and fruit tree forest lands; and the special specie cultivation system comprises fishponds and undergrowth cage-free farms. According to the agricultural ecological cycle system, the lands, the livestock farms, the fishponds, the fruit tree forest lands, the vegetable gardens and the like are combined organically, waste produced in each process is treated to be the raw material for a next process, so that the whole production process begins from the lands and returns to the lands finally, zero release and zero pollution are realized, and the environment is free of pollution.

The invention relates to a production method of a plant straw partical board containing an absorption purifying agent, comprising the following steps: preparing materials, drying basic materials, selecting glue, applying glue and wax, mixing materials, paving, prepressing, hot-pressing into boards and post-processing. The board comprises the following materials and weight proportion: 6 percent to 12 percent of urea-formaldehyde glue accounting for plant straw partical material by oven dry weight or 3 percent to 6 percent of isocyanate glue, 0 or 0.5 percent to 1.0 percent of paraffin melt, 0.5 percent to 10 percent of carbon and/or soil absorbing agent, and 0 or 0.2 percent to 0.5 percent of board surface of TiO2 purifying agent powder. The board has bonding strength of 0.4 to 0.45MPa, 7.2 percent to 7.8 percent of water-absorbing thickness expansion rate for 2 hours, density of 0.7 to 0.9g/cm, 14.5 to 15.8MPa of static bending strength and 0.50 to 0.68mg/m-h of purifying amount to formaldehyde. The board is used for indoor decoration, furniture backboards, side boards, bottom boards and wall boards of inner walls and the like. The production method has the advantages of wide material source, strong absorption and good effect for purifying air and the like.

The present invention relates to preparation and application of crust oligosaccharide and belongs to the field of deep chitin processing technology. Non-specific enzyme is used to raise the hydrolysis degree of chitosan and the separation and purification of hydrolytic product. The key point of the present invention is that the chitosan material is produced into crust oligosaccharide powder through acid dissolving, heating, enzymolysis and hydrolysis with compoiste, enzyme comprising polysaccharide hydrolase, proteinase and lipase, deactivating enzyme, filtering, ultrafiltering, ion exchange or nanometer filtering, vacuum concentration and drying. The product is used in producing various functional health foods with the functions of immunological regulation and blood fat regulation.

The invention relates to a bent member for bamboo furniture and a manufacturing method thereof. The method comprises the following steps of: selecting moso bamboo chips, cooking, stacking and binding, placing in a mold, performing microwave heating, pressurizing, drying and sizing, coating glue, matching blanks, aging, gluing, aging, and mechanically processing. The steps are simple, and the prepared bent member for the bamboo furniture inherits the good bending toughness and physical and mechanical performance characteristics of bamboo wood, has the characteristics of high toughness, slight deformation, stable size, and high rigidity, can be subjected to the processing modes, such as bending, sawing, planning, engraving and milling, surface decoration and the like, enriches the modeling of bamboo furniture, improves the additional value of the bamboo wood, meets the requirements of sustainable development, regeneration, or recycling, and environmental-friendliness, and has good economic, social and ecological benefit.

The invention discloses a process preparation method for an ethanol and an 2,3-butanediol 2, 3 from a woody fiber material, belonging to the biochemical technical field, which is characterized in that a hemicelluloses inside the wood fiber material is hydrolyzed into a pentose, which is used to produce the 2,3-butanediol, the cellulose is enzymolysed into a hexose, which is used to produce the ethanol, and two high value added products ethanol and 2,3-butanediol are simultaneously got, and the concentration of the ethanol and the 2,3-butanediol in the fermentation liquid is increased by the means of filling more raw material. The process preparation method for an ethanol and an 2,3-butanediol 2, 3 from a woody fiber material has the advantages of effectively increasing the raw material utilization ratio, getting simultaneously the high concentration ethanol and 2,3-butanediol, and lowering the production cost, and having good industrial prospect.

The invention relates to a technique for fermentation production of fruit vinegar basic solution and fruit vinegar beverage thereof by utilizing orange peel residue. The technique comprises the following steps of crushing raw materials, carrying out enzymolysis, regulating sugar degree, and carrying out alcohol fermentation and acetic fermentation, wherein the enzymolysis step is specifically as follows: adding composite enzyme with mass percentage of 0.01-0.1% to the crushed orange peel residue, and carrying out enzymolysis at 20-35 DEG C for 2-4h, and the composite enzyme consists of French raman pectinase and Hesibi cellulose based on the mass ratio of 5:1. Through the orange fruit vinegar basic solution and production technique of fruit vinegar beverage, disclosed by the invention, the production cost is low, the production efficiency is high, the transformation rate of the orange peel residue is high, about 6 tons of orange fruit vinegar basic solution can be produced by taking 1 ton of crushed orange peel residue as a raw material, and the content of acetic acid is as high as 4.88%; and simultaneously, the produced fruit vinegar beverage is a novel beverage integrating functions of nutrition, health protection, food therapy and the like, and the shelf life of the fruit vinegar beverage is as long as 12 months at normal temperature.

The invention discloses a technique for producing terphenyl, indane and aromatics solvent oil by cracking C9 fraction and hydrogenation, belonging to the technical field of oil refining. The technique comprises the following parts: (1) raw material pretreatment part; (2) hydrogenation part; (3) aromatics extraction part; and (4) product refining part. By adopting the technique, benzene, toluene, dimethyl benzene, the indane and the aromatics solvent oil can be obtained by co-production, the comprehensive utilization rate of the cracked C9 fraction can be improved, the additional production value is increased, resource waste is avoided, the cracked C9 fraction is changed into valuable from waste, and the economic benefit is improved.

The invention belongs to the technical field of UV curing polymer materials, and discloses a vegetable oil-based polyol type biodegradable UV-curing adhesive and a preparation method thereof. The method comprises the following steps: (1) adding a mixture of diisocyanate and a catalyst into a vegetable oil-based polyol and heating for reaction to obtain a vegetable oil-based PU prepolymer; (2) cooling the prepolymer of step (1) to 45 to 55 DEG C, adding (methyl) acrylate hydroxyalkyl ester, and a polymerization inhibitor for reaction to obtain a UV curing vegetable oil-based PUA prepolymer; (3) uniformly mixing the UV curing vegetable oil-based PUA prepolymer of the step (2), a free radical light initiator, a reactive diluent, and an additive to obtain the vegetable oil-based polyol type biodegradable UV curing adhesive. Not only is UV curing realized, but also excellent biodegradability is realized, thereby fundamentally solving the problem of environmental pollution caused by the difficult biodegradation of adhesive type polymer materials.

The invention relates to a method for producing low-melting-point renewable polyester for sheath-core polyester. The low-melting-point renewable polyester is prepared from the following raw materials through degradation and polycondensation: (a) renewable raw materials; (b) glycol; (c) one or more of zinc acetate, potassium acetate, manganese acetate, magnesium acetate, lead acetate, cobalt chloride, tetrabutyl titanate, tetraisopropyl titanate and dibutyltin dilaurate; (d) one or more of m-phthalic acid, adipic acid and sebacic acid; (e) one or more of neopentyl glycol, hexanediol, butanediol and polyethylene glycol; (f) catalysts, namely antimony trioxide and cobalt acetate; and (g) a stabilizer, namely trimethyl phosphate. The low-melting-point renewable polyester produced by the method can be applied to the preparation of sheath-core polyester staple fibers, so that the added value of polyester wastes in preparation of renewable polyester staple fibers is increased, and the prepared sheath-core renewable polyester staple fibers have the characteristics of stable quality and excellent quality. The method can be applied to the production of industries, such as non-woven fabrics, flocking and composite materials.

The invention discloses a cultivation method for fly maggots, and application of the fresh maggots and waste materials obtained through the cultivation method. According to the invention, the cultivation method breaks through the original utilization method for the solid organic matter in kitchen waste, the utilization effect of the solid organic matter is improved, the added value of the solid organic matter is increased, and the industrial chain of recycling economic is lengthened, and moreover, fly maggot feed, that is biological organic matter, is prepared from the solid organic matter extracted from the kitchen waste through fermentation, the amino-acid content in the solid organic matter is improved, and the palatability of the fly maggot is improved.

The invention discloses a process using catalyzing and oxidizing method on fume desulfurization and using catalyzing method on producing polyferric sulfate, a solvent containing ferric ion is used as the desulfurization absorption liquid, a sulfur dioxide in fume is absorbed and dissolved through the absorption liquid to convert into a sulfurous acid which can be oxidized into sulfuric acid by utilizing air base on the catalyzing and oxidizing effect of the ferric ion; when the concentration of the sulfuric acid in the desulfurization absorption liquid is between 3 percent and 10 percent, the desulfurization absorption liquid is introduced to the polymeric ferric sulfate synthesization system, simultaneously, ferrous sulfate and catalyzer are added, an oxidizing, hydrolyzing and polymerizing reaction occurs between ferrous sulfate, catalyzer and sulfuric acid of desulfurization absorption liquid, a desulfurization side product, polyferric sulfate is produced; so the invention can recycle the sulfur resource and get the high value-added desulfurization side product, the transportation fee is lower, the benefit from the desulfurization process is outstanding.

The invention provides a method collaboratively repairing soil heavy metal pollution by microorganisms, plants and biological carbon. The method specifically comprises: 1), adding a magnetotactic bacterium culture medium into heavy metal polluted soil, inoculating magnetotactic bacteria, and plowing; 2), irrigating the heavy metal polluted soil, and setting a magnetic field; 3), collecting the surface layer of the heavy metal polluted soil, and rinsing the collected heavy metal polluted soil with water; 4), planting grass family plants in the heavy metal polluted soil; 5), pulling out young ears; 6), removing the grass family plants; 7), after preparing a biological carbon mixture through processing the removed grass family plants, applying the biological carbon mixture into the heavy metal polluted soil in which the grass family plants are planted, uniformly mixing, and aging; and 8), cyclically repeating the above steps until the content of heavy metal in the soil reaches safety standards. The method is great in soil treatment effect, low in cost and high in practicability, and is safe and reliable.

The continuous biological diesel oil preparing process converts regenerable plant oil and grease into biological diesel oil under the sub-critical, critical and supercritical state of short-chain alcohol as acyl radical acceptor, and belongs to the field of biological oil synthesizing technology. The process includes heating the pipe preheater and pipe reactor to set temperature, pumping short-chain alcohol and plant oil and grease with high pressure pumps into the pipe preheater for mixing and the pipe reactor for reaction of 10-40 min, cooling and separating, and can produce biological diesel oil continuously. The reaction system has no impurity introduced, so that its side product coarse glycerin may be refined easily to obtain pure glycerin product. The present invention has the advantages of environment friendship, simple separation process, low cost, high efficiency, great output, stable product quality, etc.

The invention discloses a bast fiber fabric with a protective function and a preparation method thereof. The preparation method comprises the preparation steps of bast fiber pretreatment, oxidation treatment, chitosan acetic acid solution preparation, chitosan-modified oxidized bast fiber fabric preparation, chitosan-modified oxidized bast fiber fabric composite finishing through tea polyphenol and the like. According to the preparation method, bast fiber is selectively oxidized through periodic acid or periodate, a generated active group aldehyde group -CHO can generate an imidization reaction with chitosan containing -NH2, chemical bonding is generated between the aldehyde group and chitosan containing -NH2 under the condition that no cross-linking agent or other chemical additive is used, therefore, the tea polyphenol adsorption capacity of the fabric in the subsequent finishing process is enhanced, combination between tea polyphenol and the bast fiber is promoted, and the condition that other reagents are used in the tea polyphenol function finishing process is avoided. The bast fiber fabric has the good multifunctionality such as the antibacterial property, the wrinkle resistance and the ultraviolet resistance; the preparation technology of the bast fiber fabric is simple and convenient to operate, clean production is achieved in the preparation process, and the requirements of ecological textiles are met.

A Chinese chestnut and processing method thereof belongs to the food processing technical field. The invention prepares the nutritious, Chinese chestnut product with excellent color and flavor as well as great reconstitution property by following steps: adequately using the Chinese chestnut resource, improving additional value and storage rack period of the Chinese chestnut food, selecting fresh and high-quality Chinese chestnut as raw materials that are protected in color by sulfur free and EDTA free color-protecting solution and dried, then combining the Chinese chestnut powder and grain raw materials that are cured by squeezing and expanding technology. The method of the invention has advantages of simple technology, convenient operation, good repeatability and continuous production.

This invention discloses a method that produces high additional value color silk on the existing high speed stretch yarn machine. It adds the second feed roller, leading silk wheel, leading silk tube, leading silk machine, network nozzle, and soaking tube on the original machine. The first silk (POY) pass the feed roller, deforming box, cooling device, false twister, intermediate roller, then incorporated with the second silk (FDY) which through the second feed roller leading silk wheel, leading silk tube, then they go through the network nozzle, output silk roller, bunkering roller, and forming in the winding roller finally.

The invention discloses a method for preparing almond peptide from almond dregs, comprising the following steps of: drying, smashing and sieving the almond dregs; adding with deionized water; adjusting pH value; stirring, extracting, centrifuging and taking supernate under a certain temperature; adjusting pH value to be 1.4 with HCL; centrifuging; taking precipitation layer and washing with water;collecting the precipitation into an enzymolysis jar; adding with the deionized water according to solid-to-liquid ratio being 1:(10-15); stirring, mixing and heating to be 40-55 DEG C; adjusting pHvalue to be 5-8 with the HCL; enzymatically reacting by adding with prolease according to the mass ratio of the prolease to crude almond peptide being (1-2):100; adjusting pH value to be 5.5; heatingup to be 90 DEGE C for 20 min; blanching with enzyme and cooling to room temperature; centrifuging enzymatic hydrolyzate under 5000 r/min for 20 min and taking supernate; desalinating the almond protein enzymatic hydrolyzate with cation exchange resin and anion exchange resin; and ultra filtrating and separating to obtain almond peptide. the method has wide application value.

The invention relates to a method for preparing various carbon materials by using low-temperature carbonized coal tar pitch. Through utilizing the characteristic that the low-temperature carbonized coal tar pitch is low in quinoline insoluble substance content, the various carbon materials such as saturant pitch, agglomerant pitch or needle coke raw material pitch can be prepared via simple technological processing, and the added value of a product is improved. The technological method comprises a raw material pretreatment process and a polymerization reaction process. Compared with the prior art, the invention has the benefits as follows: firstly, the method is simple and practical, can easily realize industrialized production, provides a novel approach for the processing of the low-temperature carbonized coal tar pitch, and increases the added value of the low-temperature carbonized coal tar pitch prominently; secondly, through controlling polymerization reaction conditions, pitch products for different application are obtained, and the process is easy to operate, and strong in controllability; thirdly, the method is in conformity with the call of Chinese government on advocating high-efficient energy utilization, and can alleviate the condition of energy shortage.

The invention belongs to the field of resource recycling and utilizing, and particularly relates to a method for producing aluminum chloride, silicon chloride and ferric chloride by utilizing coal gangue. The method provided by the invention comprises the following steps of mixing a carbonaceous reducing agent with the theoretical additive amount of 1.2-1.5 times and coal gangue to prepare a mixture, crushing the mixture until the granularity is smaller than or equal to 160 meshes, putting the crushed mixture into a chlorination furnace, introducing chlorine into the furnace, introducing the obtained furnace gas into a dust remover for dust removal, condensing the gas to dust removal at 370-420 DEG C, 200-250 DEG C and 0-4 DEG C to sequentially obtain coarse AlCl3 liquid, FeCl3 liquid and SiCl4 liquid, and distilling the coarse AlCl3, FeCl3 and SiCl4 to obtain pure AlCl3, FeCl3 and SiCl4 products. According to the method, the comprehensive utilization of the coal gangue resources is realized, the additional value of products is improved, the technical scheme is simple and practicable and the method has extremely good popularization value.

A processing method of sweet potato sheet jelly, comprising the following steps of cleaning raw material sweet potatoes by water, and then continuously conveying the sweet potatoes to a crusher for crushing into sweet potato slurry with the particle size smaller than 3mm, weighing the sweet potato slurry, sweet potato graham flour or/and sweet potato starch in a weight ratio of the sweet potato slurry, the sweet potato graham flour or/and the sweet potato starch, which is 1: 0-100, adding water, mixing uniformly to prepare mixed slurry, wherein the water is added so that the water content in the mixed slurry is 48-65% by weight percentage, sending the mixed slurry to a spiral extrusion molding machine for curing and molding to form the sheet jelly, conveying the sheet jelly by a continuous conveyer, automatically cutting the sheet jelly according to a fixed length, and packing through an automatic packing machine or a vacuum packing machine so as to prepare the sheet jelly product. The invention uses mechanical continuous production and has a simple processing technology. The prepared sweet potato sheet jelly product maintains the nutrient components in the sweet potatoes and the active components capable of improving human immunity, and is excellent green health food.

The invention discloses a method for preparing an antifungal pectin oligosaccharide through citrus peel. The method includes the steps that raw material preprocessing pectin is extracted, and the pectin is hydrolyzed through an enzymic method, wherein the optimal conditions of pectin hydrolysis achieved through the enzymic method include that a pectin solution with the mass concentration being 1.0-1.1% is prepared from an acetic acid-sodium acetate buffering solution with the pH being 4.5, pectinase P21 is added, the adding amount of pectinase is 1.0-1.1U/mL, a stirring reaction is carried out for 20-50 min through water bath at the temperature of 40-50 DEG C, and then enzyme denaturalization is carried out for 5-15 min in boiling water bath. The pectin oligosaccharide prepared through the preparation method is mainly disaccharide and trisaccharide, and the yield is larger than 52%. The pectin oligosaccharide has an obvious antifungal effect and has a good inhibiting function on four common pathogenic fungi. The pectin oligosaccharide is prepared into oligosaccharide composite film liquid, is used for citrus preservation, prolongs citrus fruit storage time easily, and lays a foundation for further utilization of the pectin oligosaccharide. The additional value of citruses is improved, environment pollution can also be reduced, and the oligosaccharide is prepared from the citruses and is used for the citruses.

The invention relates to shaddock fruit tea prepared by finely processing shaddock fruit pulp and peel and a preparation method thereof, and belongs to the field of fruit tea prepared from natural plants, fruits, vegetables and the like. The special shaddock fruit tea is prepared by peeling, debitterizing, blending, homogenizing, degassing, filling, sealing, sterilizing, cooling the purchased local shaddock serving as a raw material and other processes. The tea has a simple preparation process and low cost by using the conventional devices, not only contains various amino acids, mineral insulin and various physiological activators, but also remains the special refreshing fragrance of the shaddock fruit pulp, adds the pureness and sweetness of the shaddock peel and is a natural fruit-vegetable drink which has the effects of eliminating phlegm and stopping cough and moistening the lung and fortifying the spleen, availability for medicament and food and delicious flavor.

The invention discloses a preparation technology of a light stabilizer UV5412. The light stabilizer is prepared by firstly preparing 4-amino-2, 2, 6, 6-tetramethyl-4-piperidine, and then, carrying out acylation synthesis, filtering and refining. The preparation technology is characterized in that 4-amino-2, 2, 6, 6-tetramethyl-4-piperidine and isophthaloyl dichloride are mixed and dropped at lower temperature of 30-35 degrees centigrade for acylation reaction. The preparation technology has the advantages that the light stabilizer UV5412 has better light stabilization effect on nylon products, and as a high-grade light stabilizer, the light stabilizer UB5412 has extremely high additional value; the quality of the light stabilizer is closely related to the ageing resistance of the nylon products; and in the technology disclosed by the invention, excellent high-grade UV5412 is provided without cost increase, and the purity of the light stabilizer is more than 98%.

The invention relates to a low temperature alloy and a preparation method and an application thereof. The low temperature alloy consists of three metals of tin, bismuth and indium in percentage by weight: 15-17% of tin, 32-34% of bismuth and the balance of indium. The preparation method thereof comprises the following steps: (1) fusing tin; (2) fusing bismuth; (3) fusing indium; (4) degasifying; and (5) casting. The low temperature alloy provided by the invention is a leadless environment-friendly material, and can replace the traditional tinlead alloy; the damages of environmental pollution and poisonous metals for people are avoided, and the characteristic that the alloy melting point is relatively low is ensured; the low temperature alloy can be widely applied to the production of temperature fuses; the added value of the product is improved; and the low temperature alloy has good social benefit.

The invention discloses a preparing method of a lignin-modified heavy metal passivator, which comprises the following steps: (1) dissolving a certain amount of lignin in water to prepare a solution and adjusting the solution to be acidic; (2)_sequentially adding ferrous chloride and hydrogen peroxide according to certain proportion, heating for reaction for a certain time and standing; (3) adjusting the solution to be alkali, then sequentially adding a certain amount of diethylenetriamine and formaldehyde, stirring uniformly, and heating for reaction for a certain time; (4) after the reaction, dropwise adding a HCL solution under the stirring state to separate out a product, standing and performing suction filtration to obtain the aminating modified lignin; (5) washing unreacted agents with water, and then drying and grinding the product to obtain the lignin-modified heavy metal passivator finished product. The method is simple in process, low in production cost, excellent in performance and wide in suitable range, and suitable for a passivation repair process of soil polluted by various heavy metal ions, and an adsorption and coagulation treatment process of waste water containing the heavy metal ions.

The invention relates to a method for gathering polyunsaturated fatty acid from trichosanthes seed oil. According to the method, the mixed fatty acid of the trichosanthes seed oil is taken as the raw material, and the polyunsaturated fatty acid (PUFA) of the mixed fatty acid is gathered and purified through a urea adduction method. The purification method sequentially comprises the following steps of preparing a urea-methanol solution, mixing the mixed fatty acid and the urea-methanol solution, adducting, leaching and separating, collecting filter liquor, extracting an organic phase, washing, drying, concentrating through decompression, and obtaining a PUFA product. The method is simple and reliable, is low in cost and has less environment contamination, and the solvent can be recycled. The rate of finished products can reach 40.92%, the purity of the finished products can reach 94.72%, and the finished products mainly comprise linoleic acid and linolenic acid. According to the method, high concentration PUFA can be obtained from the trichosanthes seed resource so as to produce products with high additional value and strong healthcare functions, and the method is beneficial to promoting comprehensive utilization and industrialization of trichosanthes.

The invention discloses a natural dye dyeing method of a bamboo fiber fabric. The method comprises a step of dyeing a pretreated bamboo fiber fabric by adopting a self-extracted natural turmeric dye under an appropriate condition, and a step of carrying out a reasonable color fixation, water washing and air drying technology. The method which adopts the natural dye to dye the bamboo fiber fabric has the advantages of no pollution to the environment, harmlessness to the human body, complementation with the natural, simple and elegant color style of the bamboo fiber fabric, increase of the ecology and environmental protection properties of the bamboo fiber fabric, substantial increase of the added values of bamboo fiber fabric products, satisfying of the demands of healthy clothing by people, and very strong practical values.

The invention discloses a method for producing a biomass charcoal dye adsorbent. The method comprises the following steps: pulverizing bamboo processing residues into 60-80-mesh bamboo powder, and conducting hydrothermal reaction on bamboo powder under the Lewis acid environment to prepare hydrothermal bamboo charcoal; activating the obtained hydrothermal bamboo charcoal with inorganic base so as to obtain an activated hydrothermal bamboo charcoal adsorbing material. The method is simple in process, low in raw material cost and large in adsorbing capacity. The prepared adsorbing material can be applied to adsorption treatment of cationic dye, and has an excellent treating effect. Not only is recycle of bamboo processing residue resource realized, but also the cheap and efficient novel adsorbent is obtained, and the development of environmental protection causes is promoted.