30results about How to "Completely decolorized" patented technology

The invention discloses a decolorization method for middle stage water in papermaking. The decolorization method adopts secondary oxidation decolorization and flocculation decolorization process to realize the purpose of the invention. The method has remarkable decolorization effect, low overall operating cost, stable decolorization without yellowing, large processing capacity, low one-time investment, ingenious design idea, convenient operation and management, and convenient preparation of decolorizing agent, so that the method of the present invention not only has remarkable flocculation decolorization Efficacy, but also has a good disinfection effect, the system water can fully meet the requirements of irrigation.

A decoloring method for ammonium thiocyanate salt extracted from a coking desulfurization waste liquid comprises: at normal temperature and normal pressure, dissolving proper amount of ammonium thiocyanate salt extracted from the coking desulfurization waste liquid in proper amount of deionized water, adding corresponding mass of an AW decolorant, stirring and filtering, heating the filtrate, evaporating and crystallizing to obtain decolored ammonium thiocyanate salt. Compared with a physical adsorption method, the decoloring method has the advantages of through decoloring, no heating process and low energy consumption.

The invention provides a glycerine decolorization apparatus convenient to disassemble and assemble. A first decolorization drum is provided with a first chamber, a second decolorization drum is provided with a second chamber, two ends of a connecting drum are respectively detachably connected with the first decolorization drum and the second decolorization drum, a separation plate is arranged in the connection drum, a drum cover is installed at one end, which is away from the connection drum, of the first decolorization drum and seals the first chamber, a first active carbon filter element and a second active carbon filter element are arranged in the first chamber, first ends of the first active carbon filter element and the second active carbon filter element are respectively detachably connected with the drum cover, second ends of the first active carbon filter element and the second active carbon filter element are respectively detachably connected with the separation plate, a plurality of active carbon decolorization layers are arranged in the second chamber, and the plurality of active carbon decolorization layers are respectively detachably connected with the inner wall of the second decolorization drum. By adopting the glycerine decolorization apparatus, the glycerine can be thoroughly decolorized, the decolorization effect is good, and the first active carbon filter element, the second active carbon filter element and an active carbon filter layer can be replaced by dismounting various parts.

The invention discloses a method for degrading a synthetic dye through a compound system, which belongs to the field of wastewater processing. The method has the following processing steps of: (1) adding printing and dyeing wastewater into a reactor, wherein the chrominance of the printing and dyeing wastewater to be processed is equal to or lower than 50000 times of chrominance; (2) respectively and sequentially adding zero-valent iron, a white-rot fungus film and an acid-secreting bacterium film into the printing and dyeing wastewater; and (3) carrying out decoloring processing after adding the processing materials, reacting under natural conditions at the temperature of 20 to 40 DEG C and under a normal pressure, and stirring once at intervals of 5 to 7 hours until the decoloring rate and the chrominance are kept stable. Through the method, the advantages of individually processing the zero-valent iron and white-rot fungi are integrated, the advantages of higher decoloring rate and lower processing-fluid toxicity are represented, the acting strength of the zero-valent iron and the white-rot fungi can be enhanced through the introduction of acid-secreting bacteria, synthetic dye wastewater can be processed with high efficiency, the decoloring rate reaches more than 85 percent, and compared with a method for individually processing the white-rot fungi, the processing time is shortened by about 43 percent.

The invention discloses a preparation method of high quality blood cell protein peptide by using a two-step enzymolysis method, and the preparation method comprises adding an appropriate amount of sodium citrate in fresh pig blood for anticoagulation, using an industrial tubular centrifuge for high-speed centrifugal separation to obtain fresh red blood cells; adding an appropriate amount of water in the fresh red blood cells, regulating pH, adding an appropriate amount of acidic protease S1 for enzymolysis, centrifuging, and removing the centrifugal sedimentation part to obtain a first enzymolysis decolored solution; adding an appropriate amount of neutral protease S2 in the first enzymolysis decolored solution for enzymolysis, adding a very small amount of a harmless non-residual chemical decoloring agent into a secondary enzymatic hydrolysate, heating up to 55-60 DEG C and keeping warm for 3 h to obtain a secondary enzymolysis decolored solution; and performing spray drying of the secondary enzymolysis decolored solution after film falling or ultrafiltration concentration to obtain light yellow enzymolysis protein powder. The invention aims at providing the simple-process high-production-efficiency preparation method of the high quality blood cell protein peptide by using the two-step enzymolysis method.

The invention provides a stevioside saponin decolorizing resin and a preparation method thereof, including suspension polymerization, hydrolysis to prepare intermediate spheres, epoxy chlorohydrin to prepare epoxy spheres, amination, and its application in stevioside solution decolorization ;Introduce hydroxyl groups on the strong base group as the main decolorizing functional group to achieve better contact between the stevioside liquid and the resin surface, to ensure that the decolorizing group can react with the pigment more easily and remove it, so that the resin can decolorize completely , High yield, low sugar loss and good resin strength.

The invention discloses a detachable high-efficiency glycerinum decoloring device which comprises a first decoloring cylinder and a second decoloring cylinder, wherein the first decoloring cylinder and the second decoloring cylinder are respectively in detachable connection with a connecting cylinder; the first decoloring cylinder is internally partitioned into a first decoloring cavity, a second decoloring cavity and a third decoloring cavity by a first annular filtering net and a second annular filtering net; a first stirring device is arranged inside the first decoloring cavity; the second decoloring cavity is filled with a first activated carbon decoloring layer; the third decoloring cavity is filled with a second activated carbon decoloring layer; the second decoloring cylinder is internally partitioned into a fourth decoloring cavity, a fifth decoloring cavity and a sixth decoloring cavity by a third annular filtering net and a fourth annular filtering net; a second stirring device is arranged inside the fourth decoloring cavity; the fifth decoloring cavity is filled with a third activated carbon decoloring layer; the sixth decoloring cavity is filled with a fourth activated carbon decoloring layer. By adopting the detachable high-efficiency glycerinum decoloring device, glycerin can be thoroughly decolored, and activated carbon of the first activated carbon decoloring layer, the second activated carbon decoloring layer, the third activated carbon decoloring layer and the fourth activated carbon decoloring layer can be replaced by detaching different parts.

The invention provides a preparation method for a colorless organic water-soluble fertilizer. The preparation method comprises the following successive steps: adding sylvite into acidic organic material liquid so as to obtain colorless organic material liquid; then adding a urea solution and a trace element solution into the colorless organic material liquid and carrying out adequate chelating so as to obtain chelated liquid; and adding water into the chelated liquid and carrying out uniform stirring so as to obtain the colorless organic water-soluble fertilizer. According to the invention, the sylvite is used as an oxidizing agent, an activator and a macroelement raw material, and in virtue of oxidizability of the sylvite, the colorless organic material liquid is completely decolored and activated. With the preparation method in the invention, the colorless organic water-soluble fertilizer is prepared and activity of an organic material is improved.

The invention discloses a papermaking middle-stage wastewater treatment chemical. The papermaking middle-stage wastewater treatment chemical is characterized by being prepared from 80-90 parts of poly aluminum chloride, 10-20 parts of fly ash, 10-20 parts of kieselguhr, 6.5-13.5 parts of polyferric sulfate, 1-2 parts of sodium bicarbonate, 1.5-3 parts of citric acid, 0.5-1 part of polyethylene glycol, 1-60 parts of attapulgite and 1-2 parts of polyacrylamide. By means of the papermaking middle-stage wastewater treatment chemical, the problems that in the prior art, in the single using process, the chemical using quantity per ton of water is often large, the amount of generated mud is large, the treating efficiency is not high, the treating chemical cost per ton of water is high, and it cannot be guaranteed that the color degree meets the relevant national emission standards are solved.

A method for preparing natural ferulic acid from soapstock containing oryzanol, comprising the following steps: alkali-alcohol hot-melt filtration, acid precipitation separation, organic solvent decolorization at normal temperature, alkali-alcohol thermal reflux hydrolysis, cold analysis separation, acidification and cold storage Desalination, ultrafiltration membrane refining, alumina decolorization, solvent recovery, solid-liquid separation, drying, etc. to prepare natural ferulic acid. In the present invention, the content of oryzanol in the raw material is firstly increased to 50-70 wt%, and then hydrolyzed by hot-melting and refluxing with an alkali-alcohol solvent, and through the synergistic effect of purification and decolorization of oryzanol before hydrolysis and refining and decolorization of ferulic acid alcohol solution after hydrolysis, high-purity, pure White natural ferulic acid. The process of the present invention has the remarkable advantages of high yield, high purity, and complete decolorization; the reaction is milder than that of high-temperature concentrated alkali hydrolysis, the alkali concentration is lower, the dosage is less, and the conversion is complete; the production process is simple and the cost is low; The requirement of vanillin on the naturalness of raw materials has created obvious economic and social benefits.

The invention discloses a novel water treatment agent and a preparation method and application thereof. The water treatment agent consists of a water quality conditioning agent and a magnesium-iron composite decoloring flocculating agent; the water quality conditioning agent is prepared by the following formula which comprises the components in parts by weight: 50-90 parts of calcium oxide, 10-40 parts of aluminium potassium sulfate and 10-30 parts of magnesium sulfate heptahydrate; and the magnesium-iron composite decoloring flocculating agent is prepared by the following formula which comprises the components in parts by weight: 5-30 parts of ferrous sulphate, 60-90 parts of magnesium sulfate heptahydrate and 0.1-5 parts of flocculation increasing agent. The water treatment agent can be used for waste water treatment of industrial waste water, especially in the leather industry, the fur industry and the textile printing and dyeing industry with serious pollution. When being used for sewage treatment, the water treatment agent has little investment, fast effect, good treatment effect and no secondary pollution; and the water treatment agent has low cost, and the production method is simple and convenient and has no pollution.

The invention discloses a purification production process of glycerol. The process comprises the steps as follows: crude glycerol is sucked into a distillation still, direct steam is fed when the crude glycerol is heated to the temperature of 160+ / -5 DEG C, and theintake amount of the direct steam is controlled to the extent that system vacuum is not lower than 0.08-0.095 MPa; glycerol steam obtained during distillation sequentially passes through a first condenser, a second condenser, a third condenser and a fourth condenser for cooling condensation to obtain distilled glycerol; the weight of the distilled glycerol is M, the distilled glycerol is input into a decoloration tank and heated to the temperature of 90+ / -5 DEG C, then activated carbon is added, the weight of the activated carbon is M*(0.1%-0.5%), the distilled glycerol is fully stirred for 25-35 min, the temperature is kept for 0.5-1.5 h, the glycerol is obtained through filtration, and the filtration pressure is lower than 0.4 MPa. The purification production process of the glycerol is simple in process and thorough in purification process, and the obtained glycerol contains few impurities and is high in yield.

The invention belongs to the field of traditional Chinese medicines, and relates to glycopeptide extract from ganoderma spore powder, a method for extracting the glycopeptide extract and application thereof. The method sequentially includes steps of extracting the ganoderma spore powder by the aid of concentrated alcohol; extracting the ganoderma spore powder by the aid of diluted alcohol; combining concentrated-alcohol extract liquid and diluted-alcohol extract liquid with each other to obtain mixed extract liquid and degreasing the mixed extract liquid by the aid of diethyl ether; removing impurities from the mixed extract liquid and decolorizing the mixed extract liquid; purifying the mixed extract liquid by the aid of resin. The method preferably further includes steps of further treating ganoderma spore powder residues by the aid of aqueous extraction, alcohol precipitation and refining steps. The ganoderma spore powder residues remain after the ganoderma spore powder is extracted by the aid of the concentrated alcohol and the diluted alcohol. The glycopeptide extract is prepared by the aid of the method. The glycopeptide extract, the method and the application have the advantages that the method for extracting the glycopeptide extract from the ganoderma spore powder is easy and convenient to implement and low in cost and is environmentally friendly and safe, good extraction effects can be realized, structures of the glycopeptide extract can be prevented from being destroyed, solvents can be recycled, and industrial production can be facilitated; excellent effects can be realized by the glycopeptide extract when the glycopeptide extract is used for increasing leukocytes.