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21results about "Bacteriological retting" patented technology

Rain and dew degumming system

ActiveCN223592886UBacteriological rettingFungicidePlant fibre
The utility model relates to a rain and dew degumming system, which comprises a fungicide activating device, a fungicide diluting device, a spraying device, a temperature and humidity instrument and a control device, the fungicide activating device, the fungicide diluting device and the spraying device are sequentially connected, and the temperature and humidity instrument is arranged close to the spraying device; the control device is electrically connected with the microbial inoculum activating device, the microbial inoculum diluting device, the microbial inoculum spraying device and the temperature and humidity instrument respectively; by means of the system, manual intervention and intelligent control over rain and dew degumming can be achieved, uncertainty of the rain and dew degumming process caused by climate environment differences is reduced, and the purposes that the rain and dew degumming technological process is controllable and plant fibers are stable are achieved.
Owner:INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI

Bacillus inaquosimilis strain and application thereof in ramie degumming

The present application relates to a strain of Inhernia Bacillus and its application in ramie degumming, the strain is preserved in Guangdong Microbial Culture Collection Center on September 15, 2025, and the preservation number is GDMCC NO: 66966. When the strain is applied to ramie degumming, the degumming reaction can be carried out at a higher temperature, the degumming efficiency of ramie is effectively improved, the fiber is not damaged, the quality of the fiber is improved, and the strain has high application value in ramie degumming.
Owner:YICHUN UNIVERSITY

A bacterial strain of the genus brenneria and use thereof

This invention discloses a strain of *Bacillus spp.* from soil, which was deposited at the Guangdong Provincial Center for Microbial Culture Collection on September 15, 2025, with accession number GDMCC NO.66967. This strain exhibits good heat resistance, and the mannanase it produces maintains stable enzyme activity under high-temperature conditions. Compared to hydrolases under ordinary conditions, it has greater plasticity and is suitable for the production of products or by-products in multiple fields. In addition, this strain can also be applied to the degumming process of hemp fibers, demonstrating excellent degumming effects on hemp fibers.
Owner:INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI +1

A ramie bio-enzyme retting method

ActiveCN117822132BVegetable materialBacteriological rettingPectinasePulp and paper industry
The application discloses a ramie bio-enzyme steaming pile degumming method and belongs to the technical field of ramie fiber degumming process methods. The method comprises the following steps: immersing pressed ramie raw fibers into a broken wall pretreatment liquid, taking out the ramie raw fibers for steaming pile treatment, adding the ramie raw fibers into a pectinase degumming liquid after knocking and washing, taking out the ramie raw fibers for steaming pile treatment, then adding the ramie raw fibers into a chlorine-free bleaching liquid for bleaching, washing, oiling and drying. The method solves the problems of low utilization rate and high degumming cost caused by a large bath during treatment through steaming pile treatment. Compared with a traditional chemical degumming process, the method has a shorter time consumption, lower nitrogen and phosphorus content and COD value in waste liquid, and the obtained fine dry fibers are finer, softer and stronger, the surface fluff of spun ramie cloth is less, and the itching feeling after wearing is reduced.
Owner:JIANGNAN UNIV

Methods for making synthetic hair from plant fiber

The present disclosure provides methods for making synthetic hair compositions. The methods generally comprise providing a plant fiber, degumming the plant fiber, and dyeing the plant fiber. The present disclosure also provides methods of degumming banana fiber. The methods generally comprise providing banana fiber and soaking the banana fiber in a degumming solution comprising a base, magnesium sulfate, and hydrogen peroxide. The present disclosure further provides methods of dyeing banana fibers. The present disclosure further provides synthetic hair compositions comprising banana fibers made by the methods described herein.
Owner:REBUNDLE INC

Fibres

A method of producing fibres from potato haulm including the step of subjecting said haulm to enzymatic retting. The retting may use at least one pectinolytic enzyme. The enzyme may be selected from the groups comprising pectinase, cellulase, laccase and hemicellulose. The enzyme is preferably produced by a bacteria or a fungus. The method may further comprise a step of mechanically separating fibres after enzymatic retting. A step of chemical retting may also be included using chemicals such as hydrogen peroxide, sodium bicarbonate, tartarine, chitosan, potassium sulphate, glycerol, cysteine, magnesium sulphate, ethanol, calcium hydroxide, numerous acids and other chemicals. A pre-treatment step may also be included including dehydrating, heating, microwaving, boiled or steaming the potato. The potato haulm may be dehydrated following enzymatic retting. Also included are claims to the apparatus for performing the method, fibres obtained from potato haulm with a thickness of 30 micrometres or less and a material created using said fibres.
Owner:FIBE LTD

Efficient preparation method of linen fiber

The invention discloses an efficient preparation method of linen fiber, and relates to the technical field of textile raw material processing, the method comprises the following steps: carrying out bio-enzyme catalysis pretreatment on a first linen stem to obtain an enzymolysis linen stem; performing grading treatment on the enzymolysis hemp stems to obtain a high-grade hemp raw material, a conventional hemp raw material and short hemp leftovers; feeding the short hemp leftovers into a multi-stage counter-current extraction device for multi-stage counter-current extraction to obtain degummed short hemp; transferring the degummed short hemp into a biodegradation tank, and carrying out fermentation and purification treatment on the degummed short hemp by virtue of bacillus subtilis fermentation liquor, so as to obtain a purified short hemp material; carrying out short hemp fiber separation treatment on the purified short hemp material to obtain spinnable short fibers; the high-performance long hemp fiber is obtained by sequentially carrying out manual carding, sorting, liquid nitrogen modification, polyurethane coating treatment, heating curing and intelligent control curing treatment on the high-quality beaten hemp and the common beaten hemp respectively. By means of the method, efficient, low-damage, high-resource-value and environment-friendly flax fiber preparation can be achieved.
Owner:NINGXIA SHUNCHANG LINEN TEXTILE TECH CO LTD

Enzymatic biological degumming method of industrial hemp fiber

PendingCN121575490AFungiMicroorganism based processesCelluloseVeratryl alcohol
The invention discloses an enzymatic biological degumming method of industrial hemp fiber, and relates to the field of degumming of industrial hemp fiber, according to the enzymatic biological degumming method of industrial hemp fiber, MnP enzyme is produced by white rot fungi, veratryl alcohol is added as a mediator, and the MnP enzyme and the veratryl alcohol form an oxidation-reduction cycle; and colloid components such as lignin-hemicellulose compounds in the raw industrial hemp can be efficiently degraded. Compared with the prior art, the residual gum rate is greatly reduced to 1.2%-1.8% and is reduced by 60%-85% compared with a contrast, the degumming rate is larger than or equal to 98%, and the degumming effect is quite remarkable. Meanwhile, ultrasonic pretreatment destroys a wax coat on the surface of the fiber and promotes enzyme liquid permeation, and mild biological catalysis conditions are combined, so that damage to the fiber is reduced to the maximum extent. Due to the series of advantages, the degummed industrial hemp fibers are excellent in key indexes such as strength and whiteness, and completely meet the quality requirements of high-end textile products.
Owner:QIQIHAR UNIVERSITY

Novel blended antibacterial and anti-wrinkle school uniform fabric and preparation method thereof

ActiveCN121295420AWoven fabricsBacteriological rettingYarnPolymer science
The invention discloses a novel blended antibacterial anti-wrinkle school uniform fabric and a preparation method thereof, and is characterized in that the preparation method of the fabric comprises the following steps: S1, washing the surface of fresh first-class flax stalks with clear water, drying, and bundling; s2, retting with warm water; s3, the flax stems subjected to warm water retting are subjected to cleaning, drying, mechanical stem smashing, flax beating, carding, grading and cutting treatment, and flax fibers are collected; s4, linen fibers and fine staple cotton are blended, and blended yarn is obtained; and S5, weaving the blended yarns. The novel blended antibacterial and anti-wrinkle fabric obtained by the method can be used for manufacturing school uniform.
Owner:HUZHOU YUREN TEXTILE & GARMENT CO LTD

A degumming device for flax fibers used in textile production

The present invention provides a degumming device for flax fibers in textile production, which relates to the technical field of textile production. The degumming device for flax fibers in textile production includes a main body. One end of the main body is provided with a degumming tank. A sedimentation tank is arranged on one side of the degumming tank on the main body. A cleaning member is arranged on the sedimentation tank. A kneading mechanism is arranged in the middle of the cleaning member above the sedimentation tank. The kneading mechanism comprises two groups of support columns. The two groups of support columns are respectively installed on both sides of the sedimentation tank. The tops of the two groups of support columns are respectively fixedly installed with connecting platforms. A placing box is fixedly installed between the two connecting platforms. Guide rods II are fixedly installed on both sides of the bottom of the placing box away from the central position. A beating plate II is fixedly installed at the bottoms of the two guide rods II. The degumming device for flax fibers in textile production provided by the present invention has the advantages of convenient use, simple operation, convenient degumming of flax fibers, and the ability to clean the residual biological enzyme solution on the surface of flax fibers.
Owner:泗阳兄博纺织有限公司

Electrochemical and biological enzyme combined degumming method for industrial hemp fibers

PendingCN120625191ABacteriological rettingFibre treatment to obtain bast fibrePectinaseHemp fiber
The invention belongs to the technical field of biological degumming, and particularly relates to an electrochemical combined biological enzyme degumming method for industrial hemp fibers, which comprises the following steps: forming a good pre-wetting effect by using a penetrant, and then carrying out primary degumming by using a biological enzyme compound liquid, and finally, forming a biological enzyme-electrolysis composite degumming system by using an alkaline pectinase-sodium carbonate buffer solution, and carrying out electrolysis degumming to realize gradient degumming, thereby obtaining the industrial hemp fiber with good degumming. According to the method, the problem that the degumming effect of the industrial hemp fibers is common is solved, an electrochemical-biological enzyme composite enzyme removal system is formed by utilizing preliminary degumming of the composite biological enzyme and a biological enzyme matched electrolysis system, and the enzyme removal effect is greatly improved.
Owner:HUZHOU MEIXINDA BIOLOGICAL TECH

Acid-alkali synergistic biological enzyme assisted ramie green degumming method

The invention relates to the technical field of ramie fiber degumming processes, in particular to an acid-alkali synergistic biological enzyme assisted green degumming method for ramie, which is characterized in that a NaOH-H2SO4 synergistic treatment system is adopted, the acid leaching-alkali leaching two-step synergistic effect is adopted, a surfactant is added into a 1%-5% H2SO4 solution in the acid leaching stage, and the degumming time is 2-3 hours. According to the acid-alkali synergistic biological enzyme assisted ramie green degumming method, the colloid removal rate is larger than 90%, the alkali dosage is reduced by 20%-30%, the fiber breaking strength is improved by 20%-25%, the wettability is remarkably improved, the residual colloid rate is as low as 2% or below, and the degumming efficiency is improved. The production cost and the wastewater treatment cost are reduced, the method is suitable for an existing production line, and the high-end textile requirements can be met.
Owner:YANGTZE NORMAL UNIVERSITY

A blended antibacterial and wrinkle-resistant school uniform fabric and a preparation method thereof

ActiveCN121295420BWoven fabricsBacteriological rettingYarnPolymer science
The application discloses a blended antibacterial and anti-wrinkle school uniform fabric and a preparation method thereof, and has the characteristics that the fabric preparation comprises the following steps: S1, fresh first-class flax stalks are washed with clean water, dried and bundled; S2, the flax is retted with warm water; S3, the flax stalks after the warm water retting are washed, dried, mechanically crushed, beaten, combed, graded and cut to collect the flax fibers; S4, the flax fibers and fine cotton are blended to obtain blended yarn; and S5, the blended yarn is woven, and the blended antibacterial and anti-wrinkle fabric obtained by the method can be used for school uniform manufacturing.
Owner:HUZHOU YUREN TEXTILE & GARMENT CO LTD

Degumming system of hemp fibers and method thereof

ActiveCN116219555BEffective looseningAvoid the adverse effects of local degummingTextile disintegration and recoveryBacteriological rettingYarnProcess engineering
The application discloses a degumming processing system for hemp fibers, which comprises a wet opening machine, a feeding machine and a presser, wherein the wet opening machine comprises a feeding curtain, a stripping structure and a first conveying mechanism, the feeding curtain is arranged obliquely upward on one side of the stripping structure, and the other side of the stripping structure is connected with the first conveying mechanism; the feeding machine comprises a beating roller located on one side of the top of the first conveying mechanism, a horizontal flat curtain arranged directly below the beating roller and an oblique curtain arranged at one end of the flat curtain away from the first conveying mechanism, and the other end of the oblique curtain is obliquely leaned against the presser; the presser comprises a second conveying curtain horizontally connected with the end of the oblique curtain, a hemp collecting port located directly below the second conveying curtain, a yarn cage located below the hemp collecting port and a pressing rod located above the yarn cage, and the pressing rod is suitable for compacting the hemp fibers falling into the yarn cage. The application also provides a degumming process method for hemp fibers, which changes the traditional hemp knocking into twice cage loading, reduces wastewater discharge, improves production efficiency, reduces total production cost, and improves product quality.
Owner:WUHAN HEMP BIOLOGICAL TECH CO LTD

Apocynum venetum refined dry fiber and production process thereof

The invention provides an apocynum venetum refined dry fiber production process. The apocynum venetum refined dry fiber production process comprises the following steps: (1) decorticating, drying and softening: performing mechanical decorticating, drying and softening treatment and fluffing on apocynum venetum stalks; (2) performing biological degumming, and performing fiber beating treatment after degumming; (3) performing mild boiling-off and degumming on the white hemp, and performing milder refining treatment on the hibiscus cannabinus; (4) bleaching; (5) feeding oil; and (6) drying the apocynum venetum obtained in the step (5) to finally obtain the apocynum venetum refined dry fiber. According to the production process, strong acid (such as H2SO4), strong alkali (such as NaOH) and a strong oxidant (such as NaC10) are not used, two high-pressure and high-temperature boiling-off procedures are canceled, a manner of combining biological degumming and boiling-off degumming (or refining) treatment is adopted, chlorine overflow poison is avoided, strong acid and strong alkali burning accidents are avoided, the working environment is greatly improved, the labor intensity is reduced, and the production cost is reduced. And the natural excellent properties and health-care functions of the apocynum venetum fiber are retained to the greatest extent.
Owner:ZHUZHOU HETIANYUAN TECH DEV CO LTD

A method of treating a sunflower plant stems

A method of treating a sunflower plant stem is disclosed. The method comprises the steps of:selecting a sunflower plant, removing the flower head and leaves from the stem and preparing the stem for enzymatic treatment by slitting the stem lengthways, removing the inner core from the stem;a) treating the cut stem with a pectinase containing a first buffer solution, for 24 hours with shaking at a pH of 3.8-8.5, and at a temperature of from 20-60° C.;b) removing the stem and washing with water,c) placing the stems into a second buffer solution containing xylanase, at a pH of from 7.0-8.0 and at a temperature of from 37-50° C. for 24 hours with shaking;d) removing the stems and washing with watere) placing the stems into a third buffer solution containing feruloyl esterase, at a pH of 7.2-8.0 containing 0.01-0.05% feruloyl esterase, at a temperature of from 37-50° C. for up to 24 hours,f) removing the stems and washing with water,g) pressing the stems to remove unwanted plant matter.
Owner:REDGRAVE JESSICA

A natural fiber degumming tank system

PendingCN122257120ABacteriological rettingSolenoid valveWater trap
This invention belongs to the field of natural fiber processing technology and relates to a natural fiber degumming tank system. It includes a cylinder, a screen, a central perforated column, and a central water distribution pipe arranged sequentially from the outside to the inside. A central support pipe is welded to the cylinder, and the central support pipe has a reflux hole. A lower end cap is connected to the cylinder via a flange, and a heating pipe is arranged on the lower end cap. A flapper level gauge is installed on the cylinder, and a liquid inlet is installed on the cylinder with a solenoid valve at the inlet. The flapper level gauge is linked to the solenoid valve. A flat end cap is welded to the screen, and the screen is fixed to the top of the central support pipe by guide rings and positioning rings. The central perforated column is connected to the central water distribution pipe. The system also includes an external circulation pipeline, which enables the external reflux of the degumming liquid, suppressing turbulence and vortices at the inlet and outlet in traditional internal reflux systems, and reducing the risk of blockage by broken fiber fibers. In this invention, the central perforated column is connected to the central water distribution pipe via a trapezoidal internal thread short connector, forming an embedded structure, which facilitates easy installation and disassembly.
Owner:DONGHUA UNIV

Flax fiber degumming device for textile production

InactiveCN120366899ABacteriological rettingPolymer scienceEngineering
The invention discloses a linen fiber degumming device for textile production, which comprises a main box body, the middle part of the main box body is provided with two perforated plates which correspond to each other up and down, the left and right side walls of the perforated plates are fixed on the inner side walls of the left and right side plates of the main box body, a discharge cavity is formed between the two perforated plates, and an inner discharge shell is inserted in the discharge cavity; a top plate and a bottom plate of the inner discharging shell are perforated plate bodies, the top face of the top plate of the inner discharging shell is tightly attached to the bottom face of the perforated plate on the upper portion, and the bottom face of the bottom plate of the inner discharging shell is tightly attached to the top face of the perforated plate on the lower portion. An upper lifting plate capable of ascending and descending is arranged above the upper perforated plate, and a lower lifting plate capable of ascending and descending is arranged below the lower perforated plate; the device can move placed linen fiber raw materials and fill the middle of the linen fiber raw materials with liquid, so that repeated contact between the linen fiber raw materials and liquid containing biological enzyme is improved, and degumming uniformity and degumming efficiency are improved.
Owner:SHAOXING HENGXING LINEN TEXTILE TECH

Brevibacillus sp. Strain and application thereof

ActiveCN121320164ABacteriaHydrolasesBiotechnologyBrenneria
The invention discloses a brevibacillus sp. Strain, which is preserved in Guangdong Microbial Culture Collection Center on September 15, 2025, and has a preservation number of GDMCC NO.66967. The brevibacillus sp. Strain is preserved in the Guangdong Microbial Culture Collection Center on September 15, 2025. The strain is good in high-temperature resistance, the produced mannase is stable in enzyme activity under the high-temperature condition, and compared with hydrolase under the common condition, the mannase is higher in plasticity and suitable for production of products or by-products in multiple fields; in addition, the strain can also be applied to a hemp degumming process, and has an excellent degumming effect on hemp.
Owner:INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI +1