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

The invention discloses a processing method of soybean oil. The method comprises the following steps: 1, preparing crude soybean oil; 2, adding phosphatidase C, and carrying out primary degumming treatment to obtain primary degummed soybean oil; 3, adding phosphatidase A1, and carrying out secondary degumming treatment to obtain secondary degummed soybean oil; 4, carrying out alkali refining depickling treatment to obtain depickled soybean oil; 5, adding waste white clay to the depickled soybean oil, carrying out pre-decoloring treatment to obtain pre-decolored soybean oil, adding attapulgite and active carbon to the pre-decolored soybean oil, and carrying out re-decoloring treatment to obtain re-decolored soybean oil; and 6, carrying out deodorizing treatment on the re-decolored soybean oil to obtain finished soybean oil. The processing method of the soybean oil has the advantages of safety, environmental protection, simple process, convenient operation, low cost and high refining rate, and is suitable for soybean oil processing industrial production.

The invention provided a low temperature decolouring method and a device for plant oil. Before oil enters a steam mill decolouring device, a pre-decolouring device with the combination of stripping and mechanical stirring is added, so as to improve the mixing uniformity of a decolorant and oil and minimize the decolouring time and steam amount; on the basis of guaranteeing the decolouring effect of the decolorant, low temperature decolouring is selected, thus effectively avoiding the catalysis effect of oil to the decolorant, minimizing oxidative decomposition and preventing the generation ofadverse substances.

The invention discloses a citrus greening disease rapid detection method. The method comprises the following steps: step a, polishing citrus leaves which have been subjected to a dark treatment to get rid of the wax layer on the leaf surfaces, soaking the leaves in a chlorophyll decoloring liquid until the leaves turn white; step b, color development detection: dropwise adding a starch color developing solution on the discolored leaves, and observing the color change of the leaves, if the leaves turn blue, the citrus leaves must be from a citrus tree affected by citrus greening disease, and if the leaves do not change color, the leaves are healthy. The method has the advantages of more convenient operation, shorter time, and more precise result, and can be operated by farmers themselves.

The invention discloses a soapnut saponin decoloring method which comprises the following steps: (1) weighing dried soapnut saponin powder, adding 0.6 times by mass of deionized water, and stirring ata room temperature to completely dissolve the soapnut saponin powder; (2) mixing composite metal hydride with acid sulfite in a mass ratio of (4:3)-(4:36) so as to obtain a composite decoloring agent; (3) adjusting the pH value of the soapnut saponin solution obtained in the step (1) to 4.5-4.6, adding the composite decoloring agent obtained in the step (2) according to a mass ratio of (100:1)-(100-5), and performing reduction decoloring for 30-80 minutes at 20-70 DEG C; (4) performing spray drying on the total soapnut saponin solution decolored in the step (3), thereby obtaining decolored saponin powder. The composite decoloring agent used in the method has a synergetic function, and the method is small in amount of the decoloring agent, good in decoloring effect, short in decoloring time, low in production cost, relatively small in environment influence caused by waste liquids and small in target product loss in the decoloring process, and has the advantages of high efficiency, timeshortening and environment protection.

The invention discloses a decolorizing treatment device for paulownia wood. The decolorizing treatment system is characterized in that a water-cycling system is formed by a soaking treatment pool, a sewage pool communicated with the soaking treatment pool and a purifying pool communicated with the sewage pool, wherein a heat exchanger communicated with a solar heater is arranged in the soaking treatment pool, and the soaking treatment pool is communicated with the purifying pool through a water feed pipe; the water feed pipe is connected with a pump body for pumping water in the purifying pool into the soaking treatment pool; the sewage pool is communicated with the purifying pool through a purifying pipe; the wall of the soaking treatment pool is an interlayer wall with a thermal insulation layer; and solar hot water is pumped to the heat exchanger through the pump body connected to a solar water pipe, and heat of the hot water is radiated to the soaking treatment pool through the heat exchanger. According to the decolorizing treatment system, solar heating is utilized, therefore, the decolorizing treatment system has the advantages of energy saving, environmental protection, fuel saving, simple structure and convenience for operation; the decolorizing time of the paulownia wood is short, soaking treatment can be finished in seven days or even a shorter period of time, the effect is good, and the working efficiency is high; and an ideal decolorizing effect can be guaranteed, and energy and emission can be reduced so as to avoid environmental pollution.

The invention discloses a processing method of corn oil. The processing method comprises the following steps of step 1, preparing crude corn oil; step 2, adding phospholipase C to degum for the firsttime, so as to obtain the primary degummed corn oil; step 3, adding phospholipase A1 to degum for the second time, so as to obtain the secondary degummed corn oil; step 4, performing base refining anddeacidifying on the secondary degummed corn oil, so as to obtain the deacidified corn oil; step 5, adding waste argil into the deacidified corn oil to pre-discolor, so as to obtain the pre-discoloredcorn oil; adding attapulgite and activated carbon into the pre-discolored corn oil to re-discolor, so as to obtain the re-discolored corn oil; step 6, deodorizing the re-discolored corn oil, so as toobtain the finished corn oil. The processing method of the corn oil has the advantages that the safe and environment-friendly effects are realized, the technology is simple, the operation is rapid, the cost is low, the refining rate is high, and the processing method is suitable for industrial production of corn oil.

The invention discloses a tea saponin bio-enzyme decoloring technology, and aims to solve the problems that: (1) in the prior art the decoloring process must be carried out in a strong alkaline condition, and the strong alkali will harm the operators and pollute the environment; (2) the loss of tea saponin is great and the recovery of the tea saponin is difficult because of the absorption effect. The technology comprises the following main steps: co-immobilization of laccase and glucose oxidase, preparation of a crude tea saponin solution, decoloring of crude tea saponin, and recovering of tea saponin. The technology has the advantages of mild reaction conditions, short decoloring time, and prominent decoloring effect. Moreover, the immobilized enzyme can be recycled and reutilized, the loss rate of tea saponin is low, the tea saponin powder with light color and luster can be recycled only through a spray drying technology, and the technology is simple.

The invention discloses a processing technology for rapeseed oil. As ultrasonic waves can be adopted to assist a phospholipase C degumming process to perform degumming processing on rapeseed crude oil, the water using amount of degumming can be greatly reduced, and the generated wastewater amount can be greatly reduced as well, so that the processing technology is green and environmentally friendly; and the degumming time can be shortened to 60 min, and the processing technology can accord with the moderate refining of oils and fats. The processing technology is safe, environmentally friendly,simple, convenient in operation, low in cost, high in refining rate and suitable for the industrial production of rapeseed oil processing.

The invention discloses a process for producing gallic acid by hydrolyzing a buffer solution, which is characterized by comprising the following steps: (1) pulverizing nutgalls; (2) adding an NaH2PO4solution into an enameled reaction kettle; (3) adding nutgall powder to evenly mix under a mixing condition; (4) slowly adding H2SO4 to obtain a pH value of 1-2; adding steam of 0.15MPA to raise the temperature to 120 DEG C; regulating and maintaining the pH value of 1-2 and the reaction time of 2-4 hours of the mixture; cooling and crystallizing after the reaction; filtering; dehydrating; decolorizing to filter; crystallizing; dehydrating; drying; and obtaining a finished product. The process for producing gallic acid by hydrolyzing a buffer solution can effectively solve the problems of incorrect control, easily excessive hydrolyzation, carbonization and other impurities when pure concentrated sulfuric acid is hydrolyzed, greatly reduce active carbon quantity of later procedures, decolorizing time, production period, excessive solid hydrolyzation and gallic acid loss caused by active carbon adsorption, increase the yield of the gallic acid and reduce the production cost.

The invention relates to a stripping technology for waste denim rags. The technology includes the following steps that desizing is performed firstly, sodium chlorite and a penetrating agent are added,glacial acetic acid is added to adjust the pH to be 4.0, the temperature is increased to range from 60 DEG C to 80 DEG C and is kept for 30-45 min, then stripping is performed, trisodium phosphate, sodium chlorite and a penetrating agent are added, an organic acid is added to adjust the pH to be 4.0, the rags are soaked at room temperature for 0.5 h, then the temperature is increased at the temperature increasing speed of 1 DEG C / min for 30 min, the temperature is directly increased to 95 DEG C and is kept for 60 min after constant-speed temperature increasing is completed, then bleaching isperformed, sodium hypochlorite is added, the pH is adjusted to range from 9 to 11, the rags are soaked at room temperature for 40-80 min, dechlorinating is performed finally, hydrogen peroxide is added, a circulating pump is started, the temperature is increased to range from 50 DEG C to 60 DEG C and is kept for 30-50 min, and the rags are cleaned with hot water at the temperature ranging from 80DEG C to 90 DEG C finally. The technology is low in cost and short in stripping time, consumes few materials and can meet industrial production requirements.

The invention provided a low temperature decolouring method and a device for plant oil. Before oil enters a steam mill decolouring device, a pre-decolouring device with the combination of stripping and mechanical stirring is added, so as to improve the mixing uniformity of a decolorant and oil and minimize the decolouring time and steam amount; on the basis of guaranteeing the decolouring effect of the decolorant, low temperature decolouring is selected, thus effectively avoiding the catalysis effect of oil to the decolorant, minimizing oxidative decomposition and preventing the generation of adverse substances.

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.

The invention discloses a strain of Trametes hirsuta X‑13 with high-efficiency decolorization of lignin, which belongs to the technical field of microbial engineering. After culturing for 11 days under the condition of ℃ and 180rpm, the decolorization rate of the bacteria to lignin can reach 52.43%. The decolorization effect of this strain on lignin-containing solution is better than that of most strains of the same species reported at home and abroad, and the decolorization time is shorter and the operation is simple. It is suitable for industrial treatment of lignin-containing waste liquid such as paper industry waste liquid .

The invention discloses a preparation method of a quick discoloring agent for dyeing and printing wastewater, wherein the quick discoloring agent is prepared through a hydrothermal process with a polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer as a template agent, sodium silicate as a raw material and a layered double hydroxide as a main component. The quick discoloring agent has large specific surface area, excellent discoloring capability and short discoloring time, and can completely remove majority of dyes within a short time.

The invention discloses a Fenton-like catalyst Ag for rapidly degrading malachite green 2 MoO 4 / Ag 2 O material, preparation method and application thereof. Using disodium hydrogen phosphate, sodium molybdate and silver nitrate as raw materials, using chemical precipitation method, synergistic hydrothermal method to synthesize a new type of Ag by self-doping silver oxide 2 MoO 4 / Ag 2 O-type Fenton catalyst, wherein the optimum pH of the synthesis reaction, the feeding ratio of sodium molybdate and silver nitrate, and the conditions of the hydrothermal reaction are determined; the catalyst is combined with H 2 O 2 After mixing, it can be applied to efficiently degrade malachite green in a suitable pH environment. The study found that Ag 2 MoO 4 / Ag 2 O‑H 2 O 2 The decolorization rate of malachite green by the heterogeneous Fenton-like composite system is as high as 99.7% within 6 minutes. The preparation method of the photocatalyst of the invention is simple, easy to operate, has the advantages of low toxicity, low price, etc., and has very high research value in the field of degrading organic dyes.

A method for decolorizing sapindus saponin, comprising the following steps: (1) weighing dried sapindus saponin powder, adding 0.6 times the quality of deionized water, stirring at room temperature to completely dissolve it; (2) by Metal complex hydrides and acidic sulfites are mixed in a mass ratio of 4:3 to 4:36 to prepare a composite decolorizer; (3) after adjusting the pH of the sapindus saponin solution in step (1) to 4.5-6.5 , add the compound decolorizing agent prepared in step (2), the addition amount is weighed according to the mass ratio of Sapindus sapinsin powder and compound decolorizing agent 100:1~100:5, and reduce and decolorize at a temperature of 20°C-70°C for 30 ‑80min; (4) Spray-dry the Sapindus Sapindus total saponins solution after decolorization in step (3) to obtain decolorized saponin powder. The composite decolorizing agent of the present invention has a synergistic effect, less decolorizing agent dosage, good decolorizing effect, short decolorizing time, low production cost, less impact of waste liquid on the environment, less target product loss in the decolorizing process, high efficiency, time saving, The advantages of environmental protection.

The invention discloses a preparation method of Yunzhi glycopeptide, which belongs to the category of biotechnology. The present invention not only extracts the extracellular glycopeptides in the fermentation broth by the method of water extraction and alcohol precipitation, but also processes the mycelia through the method of alkali extraction to obtain intracellular glycopeptide substances, and regenerates the mycelium residue after alkali extraction. Extraction with cold alkali and hot alkali in turn increases the yield of intracellular glycopeptides. The total yield of Yunzhi glycopeptides can reach more than 10.50g / L, and the sugar content in the obtained Yunzhi glycopeptides reaches more than 56.00%. The content reaches more than 35.80%. The invention has the advantages of advanced technology, simple process, high yield, low cost, high product purity, etc., and is beneficial to the improvement of production technology and industrialization level of versicolor glycopeptide in my country.

The invention discloses a decolorization treatment method of an apple dietary fiber, and belongs to the field of food processing technology. The decolorization treatment method comprises the following steps: 1) adding apple pomace into an alkaline solution, fully mixing evenly, and thus obtaining a mixed material liquid; 2) adding a polar alcohol solution into the mixed material liquid, stirring evenly, then at the temperature of 60-100 DEG C, introducing ozone, and carrying out decolorization treatment under an ultrasonic condition to obtain a decolorized mixed material liquid; and 3) adjusting the pH value of the decolorized mixed material liquid to neutral, then centrifuging, drying, crushing, sieving, and thus obtaining the decolorized apple dietary fiber. The decolorization treatment method can obtain the apple dietary fiber product having good color and luster and according with sensory requirements in the relatively short decolorization time, has the advantages of easy and simple operation and green environmental protection, and is suitable for industrialized enlargement production.

The invention belongs to the field of applied microbiology and the technical field of bioengineering, and particularly discloses trametes trogii laccase isozyme TtLac13. The amino acid sequence of the trametes trogii laccase isozyme TtLac13 is shown in SEQ ID NO:1. When the trametes trogii laccase isozyme TtLac13 is applied to biodegradation of triphenylmethane colored and toxic substances such as peacock green and crystal violet, time is short, decoloration efficiency is high, good industrial application prospects are achieved, and good economic benefits and good social benefits can be generated.

The invention discloses a tea saponin bio-enzyme decolorization process, and its purpose is to solve the existing problems in the prior art, which may cause harm to the operator and pollute the environment under strong alkali conditions, or cause tea soap decolorization due to adsorption. The problem of great loss of prime and difficult recovery. The invention includes co-immobilization of laccase and glucose oxidase, preparation of crude tea saponin solution, decolorization of crude tea saponin, recovery of tea saponin and the like. The invention has mild reaction conditions, short decolorization time and remarkable decolorization effect, and the immobilized enzyme can be recovered and reused, the loss rate of the tea saponin is low, and the tea saponin powder with low color can be recovered and obtained only by spray drying, and the process is simple.