A kind of method for extracting papermaking fibers from distiller's grains

A technology of distiller's grains and fibers, applied in papermaking, textile and papermaking, fiber raw material processing, etc., can solve the problems of high organic content, extraction of papermaking fibers, environmental pollution, etc., achieve high purity, reduce papermaking production costs, and reduce environmental pollution. The effect of pollution

Active Publication Date: 2021-10-22
GUIZHOU HUAQING KEWEI ENVIRONMENTAL ENERGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Distiller's grains usually contain high water content and high organic matter content. If they are directly discarded or improperly disposed of, they will easily cause environmental pollution.
At present, there is no relevant report on the method of extracting fiber for papermaking from distiller's grains

Method used

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  • A kind of method for extracting papermaking fibers from distiller's grains
  • A kind of method for extracting papermaking fibers from distiller's grains
  • A kind of method for extracting papermaking fibers from distiller's grains

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: Preparation of distiller's grain fiber extract for papermaking

[0033] The distiller's grains used in this example come from a large Maotai-flavor liquor production enterprise. Experimental steps reference figure 1 conduct. The specific implementation steps include:

[0034] 100kg of this sauce-flavored distiller's grains (50% solid content) is added to 500kg of water, fully stirred, and a 10-mesh sieve is selected to filter the distiller's grains to remove organic components such as protein, fat, and remaining starch in the distiller's grains. The upper layer of the sieve obtained 50 kg of wet (20% solid content) distiller's grain fiber primary extract. The material of this just extract mainly comprises compositions such as cellulose, hemicellulose, lignin; The lower floor filtrate after filtering is 550kg altogether, and through centrifugation, 170kg (solid content rate 23%) of large particle component is separated, obtains supernatant 380kg. Mix t...

Embodiment 2

[0036] The distiller's grains used in this example come from a large Luzhou-flavor liquor production enterprise. Experimental steps reference figure 1 conduct. The specific implementation steps include:

[0037]Add 100kg of this Luzhou-flavor distiller's grains (solid content 36%) to 500kg of water, fully stir, select a 10-mesh sieve to filter the distiller's grains, and remove organic components such as protein, fat, and remaining starch in the distiller's grains. The upper layer just obtains 100kg of wet (solid content 20%) distiller's grain fiber primary extract. The material of this initial extract mainly comprises compositions such as cellulose, hemicellulose, lignin; The lower floor filtrate after filtering is 500kg altogether, and through centrifugation, 70kg (solid content rate 23%) of large particle component is separated, obtains supernatant 430kg. Mix the 100kg wet distiller's grain fiber primary extract with the supernatant of the filtrate, grind it finely to 8...

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Abstract

The invention provides a method for extracting fiber for papermaking from distiller's grains. The method comprises the following steps: 1) extracting and preparing a primary distiller's grain fiber extract from distiller's grains; 2) performing modification treatment on the distiller's grain fiber primary extract to obtain paper-making fibers. The preparation process of the distiller's grain fiber primary extract is to mix the distiller's grain with water, and under the condition of sufficient stirring, select a 6‑20 mesh screen to filter the distiller's grain, the upper layer obtains the distiller's grain fiber primary extract; the lower layer filtrate is centrifuged to obtain the supernatant liquid. Then mix the initial extract of distiller's grain fiber with the supernatant, grind it finely, and add it to the reaction kettle, then add a dispersant and a deep eutectic solvent, and then heat and stir the reaction, and then sieve it with a filter press sieve, that is have to. Then the distiller's grains extract is mixed with conventional paper raw materials to form a papermaking slurry, and then sent to a paper machine to make composite paper. The invention not only provides new raw materials for the papermaking industry, but also has great practical value for the recycling of distiller's grain resources.

Description

technical field [0001] The invention belongs to the field of resource recycling, and in particular relates to a method for extracting paper-making fibers from distiller's grains. Background technique [0002] Distiller's grains are the residue after grain has been fermented and the alcohol distilled out. Distiller's grains usually contain high moisture content and high organic matter content. If they are directly discarded or improperly disposed of, they will easily cause environmental pollution. The composition of distiller's grains varies with the brewing process and raw material formula, and its main components include fiber, protein, fat, residual starch and other substances. Distiller's grain fiber is the fiber component contained in distiller's grains. Its source is mainly the remaining grain peel after grain brewing, or rice husks and other brewing fillers added during the brewing process. Its main components are cellulose, hemicellulose , lignin, etc. Therefore, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21C3/00D21D5/02D21H21/08
Inventor 杨顺禹果刘华
Owner GUIZHOU HUAQING KEWEI ENVIRONMENTAL ENERGY
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