42results about How to "Short decolorization time" patented technology

The invention discloses a method for ultrasonic-assisted extraction of olive pomace oil. The method comprises the following steps: 1, preparing an olive pomace oil raw material; 2, adding n-hexane to the olive pomace oil raw material, and carrying out ultrasonic-assisted extraction to obtain crude olive pomace oil; 3, carrying out waterless washing long-mixing depickling treatment on the crude olive pomace oil to obtain depickled olive pomace oil; 4, dehydrating the depickled olive pomace oil to obtain dehydrated olive pomace oil; 5, respectively carrying out primary decoloring and secondary decoloring treatment on the dehydrated olive pomace oil to obtain double decolored olive pomace oil; and 6, deodorizing the double decolored olive pomace oil to obtain finished olive pomace oil. The method for ultrasonic-assisted extraction of olive pomace oil has the advantages of simple process, safety, environmental protection, high efficiency, fastness, good oil quality and high oil yield, and is suitable for small-lot production of the olive pomace oil.

The invention discloses a refining method of Idesia polycarpa edible oil, relating to the technical field of refining of Idesia polycarpa oil. The refining method comprises the steps of: 1) preparation of Idesia polycarparaw oil; 2) degumming treatment; 3) depickling treatment; 4) decoloring treatment; 5) debitterizing treatment; 6) deodorizing treatment; and 7) filtration to obtain the finished Idesia polycarpa oil. The refining method of the Idesia polycarpa edible oil has the advantages of safety, environment protection, high oil yield and impurity free, and improves the quality of the Idesia polycarpa oil.

The invention discloses a decolorizing resin for lactase. The decolorizing resin comprises styrene, divinylbenzene, gelatin, juncus roemerianus, methyl isobutyl carbinol, hydroxyethyl methylacrylate, triallyl cyanurate, N-phenylmaleimide, chitosan, vitamin C magnesium phosphate, benzoyl peroxide, polyvinyl alcohol, tributyl phosphate, salicylic acid, hydroxyethyl methyl cellulose and a pore-foaming agent. The invention also discloses a preparation method of the decolorizing resin. The preparation method comprises the following steps of: mixing gelatin, chitosan, hydroxyethyl methyl cellulose, polyvinyl alcohol and salicylic acid to prepare a liquid phase; mixing styrene, divinylbenzene, methyl isobutyl carbinol, hydroxyethyl methylacrylate, triallyl cyanurate, N-phenylmaleimide, benzoyl peroxide, tributyl phosphate and a pore-foaming agent to prepare an oil phase; mixing the juncus roemerianus fiber with vitamin C magnesium phosphate to prepare a solid phase; and mixing the three phases to prepare the polymer. The decolorizing resin is high in decoloration efficiency, short in time and small in lactase activity loss after decoloration.

The invention provides a de-coloring method of cotton. The de-coloring method comprises the specific steps: (1) loosening the cotton; stirring and scattering a pre-washing solution until the moisture of the cotton reaches 40 percent to 60 percent, wherein a pre-washing agent is prepared from 10 to 20 parts of 30 percent hydrochloric acid solution, 5 to 10 parts of 5 percent organic phosphonic acid solution, 5 to 10 parts of 8 percent sodium chloride solution and 50 to 80 parts of water; (2) washing with an enzyme: adding the pre-washed cotton into an enzyme washing agent, wherein the enzyme washing agent is prepared from 10 to 20 parts of mercerized proteinase, 10 to 20 parts of a non-ionic washing agent, 10 to 20 parts of a caustic soda flake and 80 to 100 parts of water; immersing at room temperature for 2 to 3 hours; (3) after washing with water, adding into an oxygen bleaching agent, wherein the oxygen bleaching agent is prepared from 3 to 5 parts of an oxygen bleaching stabilizer, 10 to 20 parts of hydrogen peroxide and 80 to 100 parts of water; (4) washing with the water for a plurality of times and drying. The de-coloring method of the cotton is short in period, high in efficiency and low in cost; the treated cotton has good whiteness, less weight loss, small strength loss and good hand feeling and is easy to spin and weave.

The invention discloses a production process for producing chitin and efficiently removing pigments. The production process comprises the following steps: cleaning, preparing a proper amount of shrimpshells or crab shells, soaking the shrimp shells or crab shells in clear water, brushing with a brush, pouring out water after brushing, and repeating the above steps; pickling and softening: soakingthe treated shrimp shells or crab shells in diluted hydrochloric acid according to a certain proportion for a period of time until no bubbles are generated; alkali washing and neutralizing: putting the treated shrimp shells or crab shells into a pot, putting a sodium hydroxide solution with a proper concentration into the pot, and then boiling; the production process has the beneficial effects that when the raw materials are subjected to oxidative decoloration, the raw materials and reagents are heated, so that the effect of shortening the decoloration time can be achieved, the production period of chitin is shortened, and the production efficiency of chitin is improved.

The invention discloses a method for producing natural tartaric acid from wine leftovers. The method comprises the following steps: adding crushed wine leftovers into pure water, adding sodium carbonate, stirring, neutralizing, and filtering to obtain a leftover filtrate; adding excessive calcium chloride into the leftover filtrate, filtering to obtain a primary precipitate, washing the primary precipitate with water, and drying to obtain a calcium tartrate precipitate; adding the calcium tartrate precipitate into a dilute sulfuric acid solution, uniformly stirring and mixing, filtering to obtain a secondary precipitate, washing the secondary precipitate with water, combining the filtered and washed solutions, adding a decolorizing agent for decolorizing, and filtering the decolorized solution; filtering to obtain filtrate; evaporating and crystallizing the filtrate to obtain primary tartaric acid; recrystallizing the primary tartaric acid, and drying to obtain natural tartaric acid; according to the method, the defects in the prior art are overcome, the process steps are few, the production process is simple, the raw material cost is low, and the purity of the produced natural tartaric acid is larger than 99.8%.

The invention discloses a Fenton-like catalyst Ag2MoO4/Ag2O material capable of rapidly degrading malachite green as well as a preparation method and application of the Fenton-like catalyst Ag2MoO4/Ag2O material. Disodium hydrogen phosphate, sodium molybdate and silver nitrate are used as raw materials, a novel Ag2MoO4/Ag2O Fenton-like catalyst is synthesized by utilizing a chemical precipitationmethod and cooperating with hydrothermal silver oxide self-doping, and the optimal pH of a synthesis reaction, the feeding ratio of the sodium molybdate to the silver nitrate and the conditions of thehydrothermal reaction are determined; the catalyst can be applied to efficient degradation of malachite green in a proper pH environment after being mixed with H2O2. Research finds that the decolorization rate of the Ag2MoO4/Ag2O-H2O2 heterogeneous Fenton-like composite system on the malachite green is as high as 99.7% within 6 min. The preparation method of the photocatalyst is simple and easy to operate, has the advantages of low toxicity, low price and the like, and has very high research value in the field of organic dye degradation.

The invention relates to a method for quickly identifying albumin and globulin products, which comprises the following steps: S1: punch measurement holes and control holes on an agarose gel plate, add 10 μl of product solution and bromophenol blue indicator to the measurement holes Add 1 drop of normal human serum or human plasma and 1 drop of bromophenol blue indicator solution to the control well; S2: Electrophoresis at a constant voltage of 100V for about 2 hours, and dig a 3-4mm wide depression between the measurement well and the control well Tank, add human serum antibody or human plasma antibody into the tank and spread it in a wet box; S3: fully soak the agarose gel plate with physiological sodium chloride solution, and stain it after soaking; Decolorize in the decolorization box with % ethanol, so that the background is decolorized and the precipitation line is clearly visible; S5: compare with the reference substance, and identify the protein type contained in the product solution. After using the method of the invention, the identification time for proteins is reduced from 4-5 days to 1-2 days, which greatly improves the efficiency of identification experiments.

The invention relates to a novel supported hydrochloric acid decolorizing agent as well as a preparation method and a decolorization process thereof. The decolorizing agent can be used for quite effectively removing the color of industrial hydrochloric acid; the decolorized industrial hydrochloric acid is colorless transparent liquid. A reagent is prepared from an ordered mesoporous material MCM-41 (the MCM-41 treated through trimethoxysilyl propylamine and trimethylchlorosilane), 2-p-bromomethyl bipyridine, sulfurous acid, ferrous chloride, magnesium sulfate, stannous chloride, diatomite, water and ethanol. The reagent capable of being used for decolorizing hydrochloric acid, which is provided by the invention, is simple in preparation process, short in production period and low in cost,is used for decolorizing the industrial hydrochloric acid, is short in decolorization time and good in decolorization effect, and does not decrease the content of the industrial hydrochloric acid, andthe decolorizing agent can be repeatedly recovered and utilized for multiple times.

A liniment for removing the fluorine spots from tooth includes two products. The liniment A is prepared from 7 Chinese-medicinal materials including dahurian angelica root, as arum herb, Chuan-xiong rhizome, fresh tangerine peel, etc through proportional mixing, immersing in 2-8 % solution of hydrochloric acid and filtering. The liniment B is prepared from pumice through grinding, immersing in solution of sodium fluoride, and filtering. Its advantages are high speed, no damage to tooth enamel, and 100% of cure rate.