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A method of using biological fermentation liquid in ramie degumming torture process

A ramie and degumming technology, applied in the field of microorganisms, can solve the problems of reducing the residual glue rate, high residual glue rate of fine-dried hemp, prolonging the processing time and high cost of processing strength, and achieving the effect of improving quality and reducing the residual glue rate

Active Publication Date: 2017-12-08
HUAZHONG UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: the lean hemp produced by the ramie degumming process of the prior art still has a higher residual glue rate, and the cost of prolonging the processing time and processing intensity is higher and has no effect on further reducing the residual glue rate. good question

Method used

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  • A method of using biological fermentation liquid in ramie degumming torture process
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  • A method of using biological fermentation liquid in ramie degumming torture process

Examples

Experimental program
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Effect test

Embodiment 1

[0015] Embodiment 1 bacterial liquid culture

[0016] Use Bacillus sp.HG-116 as the strain, go through the strain activation step and the expanded culture step to obtain bacterial solution A; use Bacillus sp.HG-247 as the strain, and go through the strain activation step and the expanded culture step respectively Obtain bacterial solution B;

[0017] Ⅰ. Preservation, activation and expansion of Bacillus sp.HG-116

[0018] Strain storage: Inoculate Bacillus sp.HG-116 strains into 250mL shake flasks filled with 80mL No. 1 medium according to the inoculum amount of 1%, and cultivate them at 36°C and 180r / min for 3 hours. The cultured bacterial solution was stored at -20°C with the glycerol seed preservation method to obtain the HG-116 strain tube;

[0019] Activation: Place the HG-116 strain tube at room temperature for 3 minutes until the bacterial solution melts, then inoculate 1.2% of the inoculum into a 1L shaker flask containing 250mL No. Cultivate under the condition for...

Embodiment 2

[0032] Example 2 Torture

[0033] Mix the bacteria solution A and the bacteria solution B in Example 1 according to a volume ratio of 1:1 to obtain a mixed bacteria solution, dilute the mixed bacteria solution with water 5 times to obtain a diluted mixed bacteria solution, and use the diluted mixed bacteria solution as a ramie degumming torture process torture fluid. The loading amount of degummed ramie is 5kg / m 2 , inject the torturing liquid to submerge the degummed ramie, and the flow rate of the torturing liquid is 0.05m 3 / min, the hammer hitting frequency is 30 times / min, and the hammer hitting pressure is 4×10 5 Continuously torturing the degummed ramie for 5 minutes at a temperature of 30°C. The torture solution was recycled twice, and a mixed bacterial solution with a volume fraction of 5% was added each time it was recycled. The experimental results of Example 2 are shown in Table 2 below.

[0034] The experimental result of table 2 embodiment 2

[0035]

Embodiment 3

[0036] Example 3 Torture

[0037] Mix the bacteria solution A and the bacteria solution B in Example 1 according to the volume ratio of 5:1 to obtain a mixed bacteria solution, dilute the mixed bacteria solution with water 50 times to obtain a diluted mixed bacteria solution, and use the diluted mixed bacteria solution as a ramie degumming process torture fluid. The loading amount of degummed ramie is 50kg / m 2 , inject the torturing liquid to submerge the degummed ramie, and the flow rate of the torturing liquid is 3m 3 / min, the hammer hitting frequency is 300 times / min, and the hammer hitting pressure is 5×10 4 Continuously torturing the degummed ramie for 25 minutes at Pa and a temperature of 45°C. The torture solution was recycled 5 times, and a mixed bacterial solution with a volume fraction of 0.05% was added each time it was recycled. The experimental results of Example 3 are shown in Table 3 below.

[0038] The experimental result of table 3 embodiment 3

[0039]...

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Abstract

The invention relates to a method for using a biological fermentation liquid in the degumming and torturing process of ramie, using Bacillus sp.HG‑116 (preservation number is CCTCC No: M 2014438) and Bacillus sp. CCTCC No: M 2014439) obtains the bacterial liquid through the strain activation step and the expanded culture step respectively, and dilutes the bacterial liquid as the torture liquid in the ramie degumming torture process. In the ramie degumming and torturing process of the present invention, the physical action of the mallet and the biochemical decomposition of microorganisms cooperate with each other, thereby significantly reducing the residual glue rate of ramie fibers, greatly improving the quality of dry hemp, and making it suitable for military, medical, aerospace and other special fields High-end requirements for fabric products.

Description

technical field [0001] The invention belongs to the technical field of microbes, and in particular relates to a method for using a biological fermentation broth in a ramie degumming and torturing process. Background technique [0002] Torture is a necessary process for degumming ramie to produce dry hemp in the industrial field. Its purpose is to remove the gum or glial degradation products that remain on the surface of ramie fiber after chemical or biological degumming. The traditional method is to use a rubber-covered mallet to continuously hit the bundled ramie fiber surface with a downward force, supplemented by a large amount of running water, so that the residual glue or glue degradation products covered on the fiber surface are taken away. However, the colloid or colloid degradation product that can be torn off by a wooden mallet has completely or most of the chemical bonds between it and the ramie fiber have been broken, and the physical action of the torturing will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01C1/00C12N1/20C12R1/07
Inventor 余龙江樊培杨玉珍金文闻胡祖德胡振华
Owner HUAZHONG UNIV OF SCI & TECH
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