75results about How to "Short degumming time" patented technology

The invention relates to a bacillus subtillis strain containing ramie degumming activity, preparation and application thereof, which uses a system taking the strain as the core for ramie degumming. The strain of the system has high reproductive rate, high yield of pectase and xylanase, short production period, strong contamination resistance and favorable heat-resistant quality. The system and thecultivating process are safe to operate, have no toxicity and pollution no environment. Compared with the prior art, the invention has simple technology, is suitable for large-scale industrial production and the like. When the system is used for ramie degumming, degumming time is short, the dispersion coefficient of ramie fiber can reach 100%, degumming ratio can reach above 90%, and the qualityof refined dry ramie can reach the standard of chemical degumming.

The invention relates to an alkaline pectinase preparation for cannabissalival degumming, wherein the components of the alkaline pectinase preparation comprise: an alkaline pectinase or an alkaline pectinase compound enzyme preparation, wherein the alkaline pectinase compound enzyme preparation is a mixture comprising an alkaline pectinase and one or a plurality of materials selected from pectinase, xylanase, mannanase, lipase and protease. According to the present invention, the alkaline pectinase preparation has characteristics of effective cannabissalival degumming and short degumming time, and the obtained fibers have characteristics of low gum residue, softness and less damage.

The invention relates to a simple degumming method of concentrated-fragrance colza oil. The degumming method comprises the following steps of: (1) pumping squeezed concentrated-fragrance colza crude oil with slag removed into a degumming tank, wherein the concentrated-fragrance colza crude oil does not need to be heated or cooled and just is operated at normal temperature; (2) adding a degumming absorption agent into the degumming tank; (3) stirring for 15-20min at room temperature; and (4) filtering and separating the absorption agent by using a plate frame filtering machine of which the filtering aperture is 5mu m, so as to obtain the refined concentrated-fragrance colza oil. The degumming absorption agent is prepared from montmorillonoid, silicate, modified bentonite and filter aids with different apertures which are mixed and stirred. According to the simple degumming method, the gum impurities such as phospholipids and protein in the concentrated-fragrance colza oil are absorbed by using the degumming absorption agent and then filtered and separated, thus degumming the concentrated-fragrance colza oil; and the conventional process that the concentrated-fragrance colza oil stands for a long time or is subjected to hydration degumming firstly and then dried and dehydrated is replaced, both the gum impurities can be simply and rapidly eliminated, and the concentrated fragrance of the oil is not lost, so that colza oil which is fragrant, pure in quality, nutritive and sanitary is obtained.

The invention discloses a fixing glue for cutting crystalline materials and a preparation method of the fixing glue. The fixing glue comprises a component A and a component B, wherein the component A comprises the following components by mass percent: 30-60 percent of bisphenol-A epoxy resin, 2-10 percent of o-crosel novolac epoxy resin, 20-50 percent of calcareous filler, 5-20 percent of hydroxyl acrylonitrile-butadiene rubber, 0.1-5 percent of coupling agent, 0.1-1 percent of antifoaming agent and 0.01-3 percent of toner; and the component B comprises the following components by mass percent: 30-60 percent of poly mercaptan resin, 2-10 percent of polyamide resin, 0.5-5 percent of activating agent, 0.5-1 percent of degumming slow release agent, 20-50 percent of calcareous filler and 0.5-1 percent of antifoaming agent. The components A and B are uniformly mixed by the mass ratio of 1:(0.5-1) so as to prepare the fixing glue for cutting the crystalline materials. The fixing glue is short in curing and degumming time and greatly improves the cutting efficiency of the crystalline materials.

The invention relates to a hemp degumming technology using a steam explosion with a low-temperature treatment and a device. The invention relatest to the hemp degumming technology, in particular to the steam explosion hemp degumming technology, comprising: firstly ramie is marinated for 15 hours in the temperature of 25 deg C; then the ramie which is already marinated by water is put into a groove which contains a solution of NaOH with a concentration of 18 percent to be processed alkali treatment; then the ramie is kept in high pressure; after being kept in high pressure the hemp fiber is processed a decompression steam explosion treatment with the low-temperature treatment. The hemp degumming technology of the invention has the advantages of that a low rate of incomplete glue, light fibre damage, no pollution, reducing cost of degumming, saving degumming time.

The invention discloses a hot water degumming device for a glass plate. The device comprises a degumming tank and a controller for controlling the degumming tank. The degumming tank includes a bracket, a tooling basket installed inside the bracket and a cover plate for sealing the tooling basket , the heating part of the heating device is arranged inside the tooling basket. The invention has the advantages of convenient operation, short degumming time and good degumming effect, the degumming temperature can be adjusted according to the process conditions and glue conditions, heat preservation can save electricity, and heating parts can be prevented from burning out, which is safe and reliable.

The invention relates to a bacillus subtillis strain containing ramie degumming activity, preparation and application thereof, which uses a system taking the strain as the core for ramie degumming. The strain of the system has high reproductive rate, high yield of pectase and xylanase, short production period, strong contamination resistance and favorable heat-resistant quality. The system and the cultivating process are safe to operate, have no toxicity and pollution no environment. Compared with the prior art, the invention has simple technology, is suitable for large-scale industrial production and the like. When the system is used for ramie degumming, degumming time is short, the dispersion coefficient of ramie fiber can reach 100%, degumming ratio can reach above 90%, and the qualityof refined dry ramie can reach the standard of chemical degumming.

The invention relates to a deep-eutectic solvent and microorganism combined degumming method for flax roving, and belongs to the technical field of biology. The deep-eutectic solvent and microorganism combined degumming method comprises the steps that the flax roving is added into an aqueous solution of a deep-eutectic solvent, heated and then taken out; the aqueous solution of the deep-eutectic solvent enables fibers in the flax roving to be dispersed, and hydrogen bonds between hemicelluloses and pectin molecules in the flax roving are damaged, so that removal of colloids in the flax roving is promoted; and the taken-out flax roving is washed to remove the residual aqueous solution of the deep-eutectic solvent on the surface, and then degumming microorganisms are inoculated for microbial degumming. According to the deep-eutectic solvent and microorganism combined degumming method for the flax roving, the aqueous solution of the deep-eutectic solvent is used for pretreating the flax roving, the aqueous solution of the deep-eutectic solvent can effectively disperse roving fibers and remove part of the colloid, and subsequent biological degumming is facilitated. The process does not need acid-base pretreatment, is environment-friendly and good in degumming effect, and has a good application prospect in flax roving degumming.

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 relates to a simple degumming method of concentrated-fragrance colza oil. The degumming method comprises the following steps of: (1) pumping squeezed concentrated-fragrance colza crude oil with slag removed into a degumming tank, wherein the concentrated-fragrance colza crude oil does not need to be heated or cooled and just is operated at normal temperature; (2) adding a degumming absorption agent into the degumming tank; (3) stirring for 15-20min at room temperature; and (4) filtering and separating the absorption agent by using a plate frame filtering machine of which the filtering aperture is 5mu m, so as to obtain the refined concentrated-fragrance colza oil. The degumming absorption agent is prepared from montmorillonoid, silicate, modified bentonite and filter aids with different apertures which are mixed and stirred. According to the simple degumming method, the gum impurities such as phospholipids and protein in the concentrated-fragrance colza oil are absorbed by using the degumming absorption agent and then filtered and separated, thus degumming the concentrated-fragrance colza oil; and the conventional process that the concentrated-fragrance colza oil stands for a long time or is subjected to hydration degumming firstly and then dried and dehydrated is replaced, both the gum impurities can be simply and rapidly eliminated, and the concentrated fragrance of the oil is not lost, so that colza oil which is fragrant, pure in quality, nutritive and sanitary is obtained.

The invention belongs to the technical field of silk processing, and particularly relates to a processing method of silk. The method comprises the following steps of (1) silk drying; (2) degumming: adding 1.0 to 2.0 mol / L of urea solution into a degumming groove; performing heating to 50 to 60 DEG C; starting ultrasonic waves; soaking the silk dried in the step (1) into water in the degumming groove; adding alkaline protease into the urea solution according to the proportion of 0.6 / 100 mL to 1.2g / 100 mL to be subjected to hydrolysis for 1h to 2h; then, adding lipase according to the proportionof 0.3 / 100 mL to 0.6g / 100 mL to be subjected to hydrolysis for 1h to 2h; preparing coarse degumming silk; (3) water washing; (4) washing: adding a functional detergent for washing for 50 to 60min; then, preparing the degumming silk after cleaning by clean water. The method has the advantages that the silk degumming efficiency is high; the degumming time is short; the color quality of raw silk isbetter; no pollution exists; green and environment-friendly effects are achieved.

The invention discloses an industrialized production method of pectase with high enzyme activity, which comprises the following steps: bacterial strain selecting and breeding, strain culturing, flask-shaking and fermenting as well as enzyme solution preparation. The industrialized production method is characterized in that the pectase, namely, bacillus cereus is obtained by the separation and thescreening of natural-collecting bacterial samples and strain mutagenesis under the cellular level, the laboratory number is MAPLE21, the conversation number is CCTCC NO: M209147, and the pectase has the following biological properties: bacilliform thallus, even dyeing, G<+>, facultative aerobe, spores forming without exposing out of the thallus, leveler two ends of the thallus and chain-like arrangement of a majority of spores. The invention has the advantages of high enzyme activity, low cost, short fermentation period, and the like; when the invention is used for bast fiber degumming, the degumming time (2-4h) is short and stable, the defective gum ratio is below 1.5 percent, the destruction to fiber strength is small, the fiber dispersion ratio is 100 percent, the finished product ratio is above 65 percent, and the generation amount of degumming waste water is reduced by more than 80 percent.

The invention provides a method for preparing garlic bolt leaf fibers. The method comprises the steps of compound acid pretreatment, low-temperature plasma treatment, microwave radiation and complex enzyme alternate treatment, water washing, soap washing, dewatering, shaking to be loose, oil feeding and drying. According to the method for preparing the garlic bolt leaf fibers, fiber degumming time can be shortened, attachments on the surfaces of the garlic bolt leaf fibers can be reduced, spinnability can be improved, and the garlic bolt leaf fibers prepared through the method for preparing the garlic bolt leaf fibers have high strength and elongation at break and large length.

The invention relates to a Eupenicillium javanicum DB4 strain as well as preparation and application thereof. The preparation method comprises the following steps of: (1) placing rotten seaweed in an enrichment culture medium, standing and culturing at room temperature, coating the enrichment culture medium on a separation culture medium, and standing and culturing at the temperature of 30 DEG C for 1-4 days to obtain wild flax bio-treated strain; (2) inoculating the strain obtained in the step (1) to a flax lignin nutrient culture medium and culturing at the temperature of 28 DEG C for 72 hours; and (3) selecting the strain with lignin degrading capability from the flax lignin nutrient culture medium. The obtained strain can be applied to the processes for preparing flax, hemp, jute or red ramie fibers for textile by peroxide degumming. The strain has the advantages of short growth period, low pollution probability, low treatment cost, mild reaction conditions, strong pollution resistance, good heat resistance, no environmental pollution, and good fiber quality after treatment; and the process is simple and is suitable for large-scale industrial production.