29results about How to "Improve decolorization efficiency" patented technology

The invention provides a process for preparing various nutritional ingredients from oats, and relates to the technical field of deep processing of oats. The process comprises the following steps: crushing and sieving oats to obtain oat bran; the method comprises the following steps: extracting oat bran through a supercritical extraction technology to obtain pretreated oat bran and an extract, and carrying out gradient membrane treatment and membrane ultrafiltration on the extract to obtain oat oil; extracting the pretreated oat bran through continuous sectional extraction equipment; after first-stage protein extraction, second-stage dextran extraction, third-stage immobilized enzymolysis and fourth-stage filler decoloration, the materials enter a system balance tank, and membrane separation and concentration are performed to obtain the oat beta-dextran. According to the invention, various nutrient substances such as oat beta-glucan, oat protein, oat oil and the like can be extracted at the same time, the defects in the prior art are overcome, the automation degree is high, and energy conservation and emission reduction are realized.

The invention discloses a method for preparing cellobiose and comprehensively utilizing a by-product of cellobiose. The method is characterized by specifically comprising the following steps: (1) dilution, (2) enzymolysis, (3) flocculation and carbon explosion, (4) decoloration, (5) continuous ion exchange, (6) evaporation and concentration, (7) simulated moving bed chromatographic separation, (8) concentration, (9) finished product preparation and (10) raffinate utilization. The method effectively solves the problems of low preparation purity and high production cost of cellobiose.

The invention belongs to the technical field of recycling of waste polyester-cotton blended textiles, and particularly relates to a method for separating, recycling and synchronously decolorizing colored waste polyester-cotton blended textiles. The combined synergistic effect of the decolorizing agent and the low-cost green good solvent organic acid is utilized, so that the decolorizing and separating processes of the cotton-polyester blended fabric are mutually promoted, and the decolorizing and separating efficiencies are synchronously improved. The unique solvent combination greatly improves the decolorization efficiency, selectively depolymerizes the cotton fibers and releases the polyester fibers, and realizes effective separation of two components in the polyester-cotton blended textile. By means of the technology, the possible problems in secondary utilization of recycled polyester are avoided, the weak acidity of the organic acid is utilized, the recycling rate of the cotton fibers is guaranteed to the maximum degree, more possibilities are provided for high-value utilization of the cotton fibers, recycling of waste polyester-cotton blended textiles is greatly promoted, and maximum utilization of resources is achieved.

The utility model provides a polyester fabric decoloring device, which relates to the technical field of polyester fabric decoloring and comprises a base, a decoloring barrel outer bin is mounted on the base, a stirring mechanism is rotatably mounted in the middle of the decoloring barrel outer bin, and a filtering mechanism is mounted on the outer wall surface of the decoloring barrel outer bin. Polyester cloth and decolorizing liquid are poured into the decolorizing barrel, the decolorizing liquid enters the outer bin of the decolorizing barrel through the water inlet hole of the decolorizing barrel, the driving motor rotates to drive the driving gear to rotate, and then the driven gear meshed with the driving gear rotates to drive the stirring shaft to rotate; the polyester fabric in the decolorizing barrel is stirred through the wedge-shaped stirring blades on the stirring shaft, meanwhile, the gear ring meshed with the driving gear rotates to drive the decolorizing barrel to rotate, water flow in the outer bin of the decolorizing barrel and the decolorizing barrel is disturbed, the polyester fabric does not completely rotate along with the water flow, and then the polyester fabric can be fully decolorized.

The utility model discloses a stirring device of a decolorizing tank, and relates to the technical field of stirring of decolorizing tanks. Comprising a fixed barrel, a discharging pipe is arranged on the outer side of the fixed barrel, and the discharging pipe is communicated with the fixed barrel; the fixed cover is arranged on the outer side of the fixed barrel and used for sealing the fixed barrel, one end of the fixed cover is open, the open end of the fixed cover is connected with the fixed barrel, at least one feeding pipe is arranged on the outer side of the fixed cover, and the feeding pipe is communicated with the fixed cover; the fixing piece is arranged on the outer side of the fixing cover and used for providing power for stirring; and the connecting assembly is arranged in the fixed cover. Through the arrangement of the connecting shaft, the fixing rod, the gear ring, the gear, the second rotating rod and the stirring paddle, the stirring range is prevented from being fixed due to the fact that the stirring paddle is arranged at the center of the fixing barrel through the matching of the connecting shaft, the fixing rod, the gear ring, the gear, the second rotating rod and the stirring paddle, meanwhile, the stirring time is shortened, and the decolorizing efficiency is improved.

The invention relates to decolorizing equipment for aminopropionic acid, and belongs to the technical field of decolorizing equipment for manufacturing aminopropionic acid. The decolorizing equipment for aminopropionic acid comprises a decolorizing tank, a liquid inlet pipe and a liquid outlet pipe are installed on one side of the decolorizing tank, a support and a contact reaction mechanism are fixedly installed at the bottom of the decolorizing tank, and the contact reaction mechanism comprises a rotating motor, a decolorizing assembly and an overturning assembly; when an aminopropionic acid raw material solution is decolored, through the decoloring assembly, separation can be carried out immediately after the solution is subjected to contact decoloring by activated carbon, so that the solution can be extracted after decoloring is completed, the time consumed by separation is shortened, and the activated carbon can be continuously replaced during decoloring, so that the overall decoloring efficiency is improved; when the storage cylinder rotates, the active carbon in the storage cylinder can be continuously overturned through the overturning assembly so as to ensure uniform utilization of the active carbon and avoid accumulation of the active carbon.

The utility model provides a sodium hydrosulfide solution decolorizing device, and belongs to the technical field of sodium hydrosulfide solution processing. Comprising a reaction kettle, a stirring shaft is rotatably connected in the reaction kettle, and two round pipes fixedly penetrate through a kettle cover of the reaction kettle. Through the arrangement of the annular box, the inner dispersion boxes and the outer dispersion boxes, a potassium hydrogen sulfite solution flows into the annular box after passing through the round pipe, flows to the positions of the inner dispersion boxes and the outer dispersion boxes, is primarily dispersed by the inner dispersion boxes and the outer dispersion boxes, and is discharged from the bottoms of the inner dispersion boxes and the outer dispersion boxes; the discharged potassium bisulfite solution flows to a splitter plate of the shunting assembly and is shunted again by the splitter plate, and the splitter plate slowly rotates along with the stirring shaft in the shunting process, so that the dispersing area of the potassium bisulfite solution is increased, the potassium bisulfite solution is dispersed and then mixed with the sodium hydrosulfide solution, the stirring time for mixing the potassium bisulfite solution and the sodium hydrosulfide solution is shortened, and the stirring efficiency is improved. The reaction rate of the two is increased, so that the decolorization efficiency of the sodium hydrosulfide solution is improved.

The utility model relates to a pyrrole quinolinone production technical field especially relates to a kind of recovery treatment system for pyrrole quinolinone salting-out mother liquor and crystallization mother liquor, including pyrrole quinolinone salting-out mother liquor conveying pipeline and pyrrole quinolinone crystallization mother liquor conveying pipeline, pyrrole quinolinone salting-out mother liquor conveying pipeline, first concentration kettle, first crystallization, first drying device, sodium chloride storage tank and series connection;Pyrrole quinolinone crystallization mother liquor conveying pipeline, second concentration kettle, dilution kettle, decoloring kettle, first resin column, first pH adjusting kettle, second resin column, second pH adjusting kettle, second crystallization kettle, second drying device, pyrrole quinolinone storage tank are connected in series in proper order.The above-mentioned recovery treatment system design is reasonable, can recycle and utilize sodium chloride in salting-out mother liquor and pyrrole quinolinone in crystallization mother liquor, avoids resource waste.

The invention discloses a lactobacillus plantarum mutant strain capable of tolerating and efficiently metabolizing azo pigment, the strain is named as lactobacillus plantarum E4103 in taxonomy, and is preserved in the China General Microbiological Culture Collection Center (CGMCC) with the preservation number of CGMCC No.31189. The strain is subjected to adaptive domestication in a continuous culture mode of continuously increasing the concentration of azopigment allura red, and is obtained through natural selection. The obtained strain can normally grow under the condition of the allura red with the concentration of 0.52 g / L, compared with an original strain, the decolorization rate of the allura red is increased by 10.66%, theoretical basis and guidance can be provided for follow-up development of azo dye decolorization strains, and application and popularization of the strain in the industrial field are promoted.

The utility model provides equipment for decoloring peanuts, which comprises a cylindrical reaction container and a filtering device, the reaction container and the filtering device are connected through a decoloring solution pipeline, and a pump is arranged on the decoloring solution pipeline; an included angle of 8-15 degrees is formed between the axis of the cylindrical reaction container and the horizontal plane; a feed port is formed in the high-position end of the reaction container, and a discharge port is formed in the low-position end of the reaction container; an ultraviolet lamp is mounted on the inner wall of the reaction container. According to the device for decoloring the peanuts, the soaking decoloring of the solvent and the ultraviolet irradiation are fused, and the decoloring efficiency is remarkably improved. Compared with a traditional process, the equipment provides an efficient and rapid decolorization process, is simple and convenient to operate and efficient, also gives consideration to environmental friendliness, and ensures that the whole process is non-toxic and residue-free due to the fact that the solution is recycled after being filtered.

The utility model belongs to the technical field of linseed oil production equipment, in particular to a linseed oil decolorizing and deodorizing device, which aims at the efficiency problem and adopts the following scheme that the linseed oil decolorizing and deodorizing device comprises a cylinder body, a first mounting groove is formed in the outer circular surface of the cylinder body; a decolorizing mechanism is slidably mounted on the inner surface of the mounting groove I; a feeding hole is formed in the upper surface of the cylinder body; the lower side of the outer circular surface of the cylinder body is fixedly connected with a connecting pipe; one end of the connecting pipe is fixedly connected with a vacuum deodorizer; fixing mechanisms are fixedly connected to the two sides of the outer circle face of the cylinder body. And through the arrangement of the decolorizing mechanism and the fixing mechanism, quick replacement of activated carbon is realized, and the replacement efficiency is improved, so that the decolorizing efficiency is improved.

The invention provides a carbonized resin decolorizing and refining method for mixed dibasic acid dimethyl ester, and belongs to the technical field of chemical separation and purification. According to the technical scheme, spherical carbonized resin formed by carbonizing styrene-divinyl benzene polymer resin is used as an adsorbent, and a colored crude product DBE is subjected to decoloration treatment through a fixed bed process. The carbonized resin has extremely high selective adsorption capacity and adsorption rate on colored impurities in DBE, the Pt-Co color number of the carbonized resin can be reduced from 50 or above to 10 or below, the decolorization rate exceeds 80%, and meanwhile the yield of the DBE product reaches 99% or above. And the resin saturated by adsorption is easy to regenerate and can be repeatedly used. The method is simple in process, efficient and environment-friendly, overcomes many defects of a traditional activated carbon decoloration method, and is particularly suitable for industrial refining production of DBE.

The invention discloses a decolorizing agent for wastewater treatment and a preparation method thereof, and belongs to the technical field of sewage treatment. The decolorizing agent for wastewater treatment is prepared from the following components in parts by mass: 40 to 60 parts of modified molecular sieve, 10 to 30 parts of polyaluminum chloride and 2 to 5 parts of anionic polyacrylamide, according to the decolorizing agent for wastewater treatment, the characteristics of inorganic and organic flocculants are integrated, the adsorption capacity of the decolorizing agent for wastewater treatment on wastewater pollutant components is improved by virtue of the synergistic effect of multiple flocculants, the components are matched with one another, industrial wastewater can be rapidly decolorized, the water treatment efficiency is improved, the cost is reduced, and the decolorizing agent is suitable for industrial wastewater treatment. By modifying the molecular sieve, the decolorizing effect of the decolorizing agent for wastewater treatment on wastewater is remarkably improved.

The utility model relates to the technical field of inositol production, in particular to a production system for preparing magnesium dihydrogen phosphate by utilizing inositol hydrolysis residues, which comprises a hydrolysis residue storage tank, a discharge port of the hydrolysis residue storage tank is communicated with a smashing device, a discharge port of the smashing device is communicated with a reaction kettle, and a discharge port of the reaction kettle is communicated with a filtering device. A liquid outlet of the filtering device is communicated with a first buffer kettle, a discharge port of the first buffer kettle is communicated with a decolorizing kettle, a decolorizing liquid outlet of the decolorizing kettle is communicated with a second buffer kettle, a discharge port of the second buffer kettle is communicated with a crystallization kettle, a crystal outlet of the crystallization kettle is communicated with a drying device, and a discharge port of the drying device is communicated with a product storage tank. According to the production system with the structure, continuous operation can be realized, phosphate in the inositol hydrolysis residues can be recycled, resource waste is avoided, and a high-yield, high-yield and high-purity monopotassium phosphate product can be obtained.

The utility model discloses a circuit board wastewater decolorizing device which comprises an adjusting tank, a support is fixedly connected to the bottom of the adjusting tank, a complex breaking tank is arranged on one side of the adjusting tank, another support is fixedly connected to the bottom of the complex breaking tank, and a separating mechanism for separating sediment and water is arranged in the adjusting tank and the complex breaking tank. And a mixing mechanism for mixing medicines and wastewater is arranged in the complex breaking tank. According to the device, CuS precipitates and FeS precipitates are collected and removed, the working efficiency of wastewater treatment is improved, the collected CuS precipitates and FeS precipitates can be subjected to subsequent purification treatment after being treated, the device is relatively environment-friendly and green, ferric salt added in the complex breaking process is generally solid or powdery, the ferric salt and wastewater are mixed, and the wastewater treatment efficiency is improved. The decoloring efficiency is improved.

The utility model relates to the technical field of mineral oil processing, and discloses a continuous decoloring device which comprises a fixed part used for containing and collecting mineral oil and a movable part used for decoloring the mineral oil, the fixed part comprises a mineral oil box, the interior of a cavity of the mineral oil box is in a hollow-out state, and the movable part is arranged in the cavity of the mineral oil box. A feeding port is formed in the top wall face of the mineral oil box, and the movable part comprises a material distribution box. Through the arrangement of a control device, the control device drives an electric telescopic rod to rotate through extension and retraction of the electric telescopic rod and driving of a first servo motor, so that a discharging rod can push a solid neutralizing agent which needs to be added into a mineral oil box cavity on the surfaces of a material distribution box and a material distribution plate into the mineral oil box cavity; in the actual application process, different solid neutralizers are conveniently added into the mineral oil, so that the purpose of continuously decolorizing the mineral oil is achieved, and meanwhile, harmful gas possibly generated in the neutralization process can be isolated and prevented from hurting a human body.

The invention relates to the technical field of silicon resin processing, in particular to vacuum drying and decolorizing equipment for silicon resin processing. The technical problems that when an existing drying and decolorizing device is used for drying and decolorizing, decolorizing is not sufficient, drying is not uniform and sufficient, and therefore the drying and decolorizing efficiency is low are solved. The vacuum drying and decoloring equipment for silicon resin processing comprises a base, an outer frame is fixedly connected to the base, and an air pump is fixedly connected to one side of the outer frame. A motor drives a stirring plate to stir silicon resin, the stirring plate drives a sliding rod to rotate while rotating, the sliding rod rotates along an annular groove of an isolating ring to enable a grinding plate to continuously grind the silicon resin, and the stirring plate reciprocates up and down to drive a piston so that a decolorizing agent can be intermittently pushed into an outer frame to be continuously mixed with the silicon resin; when the decolorizing agent is mixed with the silicon resin, pigment which cannot be removed in the silicon resin can be quickly precipitated, so that the silicon resin is more quickly and effectively decolorized, and the decolorizing efficiency of the silicon resin is improved.

The utility model provides a decoloring device for biodiesel, which comprises a kettle body, a kettle cover mounted at the upper end of the kettle body, a feed valve mounted at the top of the kettle cover and used for being connected with a feed pipe, three support legs mounted on the outer surface of the lower end of the kettle body in an annular equidistant manner, a vertical pipe mounted at the bottom of the kettle body, a discharge valve mounted at the lower end of the vertical pipe, and a discharge valve mounted at the lower end of the discharge valve. An inserting pipe is installed at the lower end of the discharging valve and penetrates through the upper cover, a filtering cavity is formed under the kettle body, a convex step used for lifting the filtering net cylinder is fixedly connected to the upper portion of the interior of the filtering cavity, the upper cover is inserted into the upper portion of the interior of the filtering net cylinder, and a biodiesel discharging opening is formed in the outer surface of the lower end of the filtering cavity. A stirring piece is installed in the kettle body, an exhaust piece used for exhausting air in a space formed by the kettle body and the kettle cover is installed on the outer surface of the vertical pipe, and the reaction kettle has the following beneficial effect that the efficiency of exhausting the air in the kettle body is improved.

The utility model relates to the technical field of glycerol production, in particular to a de-purification and de-coloring device for glycerol production, which comprises a de-coloring tower, the de-coloring tower comprises a top cover, an upper-layer tower and a lower-layer tower, the upper-layer tower and the lower-layer tower are separated by a bottom I of the upper-layer tower 3, the upper-layer tower further comprises a top, and the top cover is positioned above the top. A glycerin inlet is formed in one side of the upper-layer tower and penetrates through the top cover and the top, a first glycerin outlet is formed in the first bottom and penetrates through the first bottom to be communicated with the upper-layer tower and the lower-layer tower, a second glycerin outlet is formed in the bottom of the lower-layer tower, a stirring mechanism and a plurality of decolorizing layers are arranged in the tower, and a plurality of first-stage decolorizing pipes are arranged in the decolorizing layers side by side; the top of the upper-layer tower is provided with an opening through which the decolorizing layer can penetrate, the lower end of the lower bottom of the upper-layer tower is provided with a groove I matched with the decolorizing layer, and the groove I can accommodate the top end of the decolorizing layer in the lower-layer tower. The glycerol decolorizing device adopts a tubular decolorizing structure, so that the efficiency is high, the decolorizing tube is convenient to replace, and the glycerol decolorizing device is high in decolorizing efficiency and convenient to replace.

The invention discloses an efficient and stable decolorization process of a monosodium glutamate neutralization solution, and relates to the technical field of food processing. The process comprises the following steps: firstly, precisely adjusting a monosodium glutamate neutralization solution to 60-70 DEG C, then adding coconut shell activated carbon with a specific particle size according to 0.6-0.8% of the mass of the neutralization solution, stirring for 45-55 minutes at a constant temperature at 120-150r / min, and finally, realizing solid-liquid separation through precise filtration. Through the synergistic effect of closed-loop temperature control, precise feeding and optimized stirring, the high stability and high efficiency of the decolorizing process are ensured, the light transmittance of the neutralized liquid after decolorizing is stabilized at 86.5-87%, the chromaticity is smaller than or equal to 5, and the repeatability between batches is remarkably improved. In addition, the process can also comprise activated carbon regeneration and self-adaptive parameter adjustment functions based on online water quality analysis, the operation cost is greatly reduced while the decolorization effect is ensured, the adaptability to raw material fluctuation is enhanced, and the process is particularly suitable for industrial continuous production of high-quality monosodium glutamate.

The utility model relates to the glyphosate production and processing technical field discloses a kind of activated carbon continuous decoloring equipment, including: heating tank, heating tank is jar, and heating tank is connected with external power supply by electric wire;Mixed structure, mixed structure includes first mixing part and second mixing part, and first mixing part includes first servo motor fixedly installed on the outer wall of heating tank side, and the inside rotation of heating tank is equipped with first shaft, and the output shaft of first servo motor is fixedly connected with the one end of first shaft by coupling, and the outer wall of first shaft is fixedly installed with four groups of first stirring board;Second mixing part includes second shaft rotationally installed in the bottom of heating tank, and the bottom of heating tank is fixedly installed with second servo motor, reach the purpose of mixing and heating stirring to material, make activated carbon fully mixed reaction with glyphosate liquid, carry out decoloring treatment to glyphosate liquid, improve the utilization of activated carbon, improve the reaction efficiency of material.

An organic matter decolorizing device comprises a stirring kettle and an adsorption regeneration mechanism, the adsorption regeneration mechanism comprises at least two closed tank bodies, partition plates are arranged in the closed tank bodies in the height direction and divide the inner space of the closed tank bodies into a first cavity and a second cavity which are independent, and the upper ends of the first cavity and the second cavity are communicated; the bottom of one side of each closed tank body is provided with a feeding port, the bottom of the other side of each closed tank body is provided with a discharging port, the at least two closed tank bodies are connected in series, the other side of each closed tank body is provided with a steam / air inlet, one side of each closed tank body is provided with a steam / air outlet, and the top of each closed tank body is further provided with a hot nitrogen source inlet. The hot nitrogen source inlet corresponds to the top of the second cavity, and the outlet of the stirring kettle is connected with the feeding hole of the closed tank body positioned at the upstream, so that the organic matter decolorizing device is formed. The device is simple in structure, low in maintenance cost and capable of decoloring crude organic matters efficiently in an environment-friendly manner, and meets the actual requirements of enterprises.

The present invention relates to the technical field of activated carbon decolorization, and specifically to an activated carbon decolorization device, comprising a decolorization cylinder and a connecting pipe, wherein the decolorization cylinder and the connecting pipe are connected and a partition assembly is provided in the middle section of the connecting part, the partition assembly is provided with a connecting hole, both sides of the connecting pipe are provided with a transverse partition mechanism for transverse sliding, the end of the transverse partition mechanism is connected with a side sealing plate, the side sealing plate is provided with a sliding rod for transverse sliding, a plurality of sliding rods are connected with a card plate at one end, a plurality of sliding rods are connected with a slide plate at the other end, a chuck is provided with a threaded chuck in the middle of the slide plate, and a decolorization column is detachably connected between the chuck and the card plate. The present invention can improve the decolorization pressure of a single decolorization column by diverting decolorization, and at the same time, it can realize the rapid replacement of the saturated decolorization column on the other side without affecting the decolorization process of the other decolorization column, thereby realizing the replacement of a single decolorization column without stopping the decolorization operation of the decolorization cylinder, and does not affect the overall decolorization process, thereby improving the decolorization efficiency.

The invention provides reactive dye dyeing equipment capable of recycling dyeing wastewater, and relates to the field of reactive dye wastewater treatment. A liquid taking pipe is fixedly connected to the rear side of the bottom of the middle in the dyeing machine body, the rear end of the liquid taking pipe is inserted into the front side wall of the filter tank shell, the top of the filter tank shell is in threaded connection with a filter tank top cover, and a dyeing pump is fixedly installed at the bottom of a cavity in the rear side of the dyeing machine body; a dyeing wastewater treatment bin is fixedly installed in the middle of the left outer side wall of the dyeing machine body, and a bottom filtering and pumping groove is inserted in the middle of the bottom of the left side wall of the dyeing wastewater treatment bin. The two driving motors and the universal joint are matched to drive the mixing fan blades to rotate, so that the dye and hydrogen peroxide are fully mixed through the mixing fan blades, the oxidation reaction of the dye can be further improved, and the dyeing system of the dye is destroyed under the irradiation of the ultraviolet lamp at the bottom of the top plate, so that the decolorization rate is improved, and the color fastness is improved. And the problem of high difficulty in circular treatment and reutilization of the dyeing wastewater is solved.

The utility model discloses a decoloring device for xylooligosaccharide manufacturing, which comprises a blocking cylinder, a top cover is arranged at the top of the blocking cylinder, a feed port is arranged on the outer wall of the top cover in a penetrating manner, a feeding assembly is arranged at the top of the top cover, and the feeding assembly comprises a containing unit which is arranged above the top cover and is used for adding and storing decolored raw materials. The beneficial effects of the utility model are that: through setting the connection relation of the barrier cylinder, the top cover, the storage barrel and the scale mark, a user can put raw materials for decoloration into the storage barrel, observe the position of the raw materials in the storage barrel through the transparent plate, and grasp the input amount of the raw materials according to the scale mark, so that the accuracy of the input amount is further improved; and by adjusting the connecting block, the positioning block is moved, so that the feeding hole is convenient to open, a set amount of decolorizing raw materials are convenient to put into the blocking barrel, and the decolorizing device is convenient to use.

The utility model relates to the technical field of decolorizing kettles, in particular to a decolorizing kettle for preparing metal processing oil, which improves the decolorizing efficiency. Comprising a kettle body, a stirring shaft, an upper groove, a lower groove and a coiled pipe, a cavity is formed in the kettle body, the stirring shaft is longitudinally and rotatably arranged in the kettle body, the bottom end of the stirring shaft extends to the position below the kettle body, the top end of the stirring shaft extends to the position above the kettle body, the upper groove is formed in the top end of the stirring shaft, and the lower groove is formed in the bottom end of the stirring shaft; the stirring shaft is symmetrically provided with two groups of coiled pipes in the cavity, the input ends of the two groups of coiled pipes are respectively communicated with the upper groove, the output ends of the two groups of coiled pipes are respectively communicated with the lower groove, the driving assembly is arranged at the top end of the kettle body and is used for rotating the stirring shaft, the air supply assembly is arranged at the top end of the kettle body, and the stirring blade assembly is arranged on the stirring shaft. The output end of the air supply assembly rotationally communicates with the top end of the stirring shaft; multiple groups of stirring blade assemblies are arranged on the side wall of the cavity.

The invention relates to a method for decolorizing waste cotton-polyester blended fabric through low-temperature plasma synergistic chemical oxidation. Through the synergistic effect of low-temperature plasma and an acidic chemical oxidant (composed of inorganic acid, hydrogen peroxide, a penetrant and a hydrogen peroxide stabilizer), color development and auxochrome groups of dye on the waste polyester-cotton blended fabric are effectively destroyed, and efficient decolorization of the waste polyester-cotton blended fabric is achieved. According to the technical scheme, the decolorizing efficiency is improved, the original performance of polyester and cotton fibers can be reserved, the secondary utilization performance of the recycled waste polyester-cotton mixed textile fabric is guaranteed, and an effective means is provided for resource utilization of the waste polyester-cotton mixed textile fabric. Compared with a traditional chemical oxidation technology, the method has the advantages that the required acid amount and treatment time are remarkably reduced, the temperature required by the reaction is greatly reduced, the environmental protection performance is remarkably improved, the energy consumption is reduced, and an economic and green new way is provided for recycling the waste polyester-cotton mixed textiles.

The invention belongs to the technical field of textile decolorizing treatment, and particularly relates to a bi-component decolorizing agent for polyester textiles and a pretreatment method for polyester textile recycling, the bi-component decolorizing agent comprises a component I and a component II according to the mass ratio of 1: 2.2-3, the component I comprises a sodium hydroxide solution and sodium borohydride, and the component II comprises a sodium hydroxide solution and sodium borohydride. The component II comprises sodium pyrosulfite and sodium sulfite, sodium borohydride is used for reacting with sodium pyrosulfite and sodium sulfite in a strong alkaline environment to generate an intermediate product with strong reducibility to remove organic dye molecules on the textile, and the decolorizing agent can be suitable for decolorizing and recycling of the polyester textile.

The invention relates to the technical field of L-proline preparation, and in particular to a decolorization method for preparing high-concentration L-proline, comprising the following steps: S1, dissolving; S2, activated carbon treatment; S3, filtering; S4, deep adsorption; S5, recrystallization; a decolorization device involved in the above step S2, wherein the decolorization device comprises a filter box fixedly connected by a support frame and a stirring box rotatably connected to the filter box; wherein a square cover plate with a feed inlet is plugged into the upper end of the filter box, and a filtering mechanism is arranged inside the filter box; a high-concentration L-proline solution is subjected to preliminary multi-layer filtration and secondary stirring filtration by the arranged decolorization device, and the multiple filtration modes have a better and more obvious effect on the adsorption and decolorization of the L-proline solution, and multiple operations are not required, thereby reducing the number of processes.