Clean and environment-friendly flax degumming method

A degumming method, a clean and environmentally friendly technology, applied in the direction of bast fiber, textile and papermaking, mechanical treatment, etc., can solve the problems of unrealized industrial production and high production cost, and achieve the effect of improving degumming efficiency

Inactive Publication Date: 2020-04-10
沈金标
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high production cost of finished enzyme preparations, enzymatic degumming has not yet achieved large-scale industrial production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A clean and environment-friendly flax degumming method is characterized in that: comprising the steps:

[0037] Step 1, pretreatment of flax raw stems

[0038] 1.1 Crushing the original flax stem, crushing the original flax stem, and then centrifuging the crushed flax original stem for 35 minutes;

[0039] 1.2. Lay the centrifuged flax raw stems on the wire mesh bed, spray water on the flax raw stems, let each flax raw stems hang water drops, spray water once every 65 minutes, and finish after spraying three times;

[0040] Step 2, soak in water bath

[0041] Soak the original stalk of flax in water for 2 hours, and the pH value of the water is 7.5;

[0042] Step 3, hemicellulase soaking

[0043] Soak the original flax stem in the hemicellulase solution for 3 hours;

[0044] Step 4, soak again in water bath

[0045] Soak the original flax stem in a water bath for 1 hour;

[0046] Step 5, retting and degumming with mixed enzyme solution

[0047] Soak flax raw stem...

Embodiment 2

[0060] A clean and environment-friendly flax degumming method is characterized in that: comprising the steps:

[0061] Step 1, pretreatment of flax raw stems

[0062] 1.1 Crushing the original flax stem, crushing the original flax stem, and then centrifuging the crushed flax original stem for 55 minutes;

[0063] 1.2. Lay the centrifuged flax raw stems on the wire mesh bed, spray water on the flax raw stems, let each flax raw stems hang water drops, spray water once every 85 minutes, and finish after spraying three times;

[0064] Step 2, soak in water bath

[0065]Soak the original flax stem in water for 3 hours, and the pH value of the water is 8.0;

[0066] Step 3, hemicellulase soaking

[0067] Soak the original flax stem in the hemicellulase solution for 5 hours;

[0068] Step 4, soak again in water bath

[0069] Soak the original flax stem in a water bath for 3 hours;

[0070] Step 5, retting and degumming with mixed enzyme solution

[0071] Soak the raw flax stem...

Embodiment 3

[0084] A clean and environment-friendly flax degumming method is characterized in that: comprising the steps:

[0085] Step 1, pretreatment of flax raw stems

[0086] 1.1 Crushing the original flax stem, crushing the original flax stem, and then centrifuging the crushed flax original stem for 40 minutes;

[0087] 1.2. Lay the centrifuged raw flax stems on the wire mesh bed, spray water on the flax raw stems, let each flax raw stems hang water drops, spray water once every 70 minutes, and finish after spraying three times;

[0088] Step 2, soak in water bath

[0089] Soak the original flax stem in water for 2.5 hours, and the pH value of the water is 7.6;

[0090] Step 3, hemicellulase soaking

[0091] Soak the original flax stem in the hemicellulase solution for 3.5 hours;

[0092] Step 4, soak again in water bath

[0093] Soak the original flax stem in a water bath for 1.5h;

[0094] Step 5, retting and degumming with mixed enzyme solution

[0095] Soak the raw flax st...

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PUM

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Abstract

The invention discloses a clean and environment-friendly flax degumming method. The method comprises the following steps of: 1, pretreating flax raw stems; 2, carrying out water bath soaking; 3, carrying out hemicellulase soaking; 4, carrying out water bath soaking again; and 5, carrying out mixed enzyme liquid retting and degumming. Generated wastewater is little, the smell is light, and the pollution to the surrounding environment is little.

Description

technical field [0001] The invention relates to flax production technology, in particular to a flax degumming technology. Background technique [0002] Flax fiber has the characteristics of strong tensile force, softness, good fineness, weak conductivity, fast water absorption and dispersion, and high expansion rate. It can be spun into high-count yarns and made into high-grade clothing materials. To obtain spinnable flax fiber, it must be degummed. Degumming refers to the destruction of the glue that connects the bast fiber bundles with the surrounding tissue, so that the flax fibers located in the phloem are separated from the xylem, and non-cellulose substances (such as: pectin, hemicellulose and lignin, etc.) Silky mature flax fibers. Degumming is a key link in flax processing, and the degumming effect directly affects the subsequent flax processing processes such as beating and combing. [0003] The current degumming methods mainly include warm water retting degummin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01B1/22D01C1/02
CPCD01B1/22D01C1/02
Inventor 沈金标
Owner 沈金标
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