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Papermaking method

A technology for pulp and peanut shells, applied in papermaking, textiles and papermaking, post-processing of cellulose pulp, etc., can solve the problems of inability to achieve a paperless life, increase in size, etc., to protect forest vegetation, reduce costs, promote The effect of fiber swelling

Inactive Publication Date: 2015-08-19
陈朝民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the progress of society and the civilized life of human beings are inseparable from paper, the contradiction between supply and demand of paper products is prominent. With the development of paperless life, there is a disparity between supply and demand of paper products. While the demand is constantly increasing, it is shutting down, stopping, merging, and turning, so the market gap is constantly increasing, which brings many problems to people's lives. Inconvenient, in order to alleviate these contradictions, it is imperative to find a new alternative papermaking raw material that can grow rapidly and avoid environmental pollution during processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Take 30 parts by weight of peanut shells, add 8 times its weight in distilled water, and use a conventional coarse mill to coarsely grind the peanut shells into fiber slurry A;

[0025] (2) Take 60 parts by weight of corn stalks and cut them into round slices with a thickness of 0.5 cm, add 10 times the weight of distilled water, and use a conventional coarse mill to coarsely grind the peanut shells into fiber slurry B;

[0026] (3) Mix the fiber slurry A and fiber slurry B, add 0.05% of their weight composite enzyme, adjust the pH to 4.5, raise the temperature to 45°C, enzymatically hydrolyze for 8 hours, the composite enzyme is pectinase, semi- Cellulase and ligninase, their mass ratio is 5:2:1;

[0027] (4) After the cellulose slurry obtained in step (3) is broken by a continuous hydraulic breaker for cleaning, it flows into a vibrating screen with an aperture of 1 mm for washing;

[0028] (5) Bleach the washed cellulose pulp, and squeeze the cellulose pulp to a water co...

Embodiment 2

[0032] (1) Take 35 parts by weight of peanut shells, add 12 times its weight in distilled water, and use a conventional coarse mill to coarsely grind the peanut shells into fiber slurry A;

[0033] (2) Take another 58 parts by weight of the corn stalk and cut it into a round slice with a thickness of 0.6cm, add 7 times its weight in distilled water, and use a conventional coarse mill to coarsely grind the peanut shell into fiber slurry B;

[0034] (3) Mix the fiber slurry A and fiber slurry B, add the composite enzyme of 0.06% of their weight, adjust the pH to 4.3, raise the temperature to 43°C, enzymatically hydrolyze for 6 hours, the composite enzyme is pectinase, semi Cellulase and ligninase, their mass ratio is 5:2:1;

[0035] (4) After the cellulose slurry obtained in step (3) is broken by a continuous hydraulic breaker for cleaning, it flows into a vibrating screen with an aperture of 2 mm for washing;

[0036] (5) Bleach the washed cellulose slurry, and squeeze the cellulose sl...

Embodiment 3

[0040] (1) Take 40 parts by weight of peanut shells, add 9 times its weight in distilled water, and coarsely grind the peanut shells into fiber slurry A using a conventional coarse grinder;

[0041] (2) Take another 55 parts by weight of corn stalks and cross-cut them into discs with a thickness of 0.7 cm, add 6 times its weight in distilled water, and use a conventional coarse mill to coarsely grind the peanut shells into fiber slurry B;

[0042] (3) Mix the fiber slurry A and fiber slurry B, add the composite enzyme of 0.07% of their weight, adjust the pH to 4.0, raise the temperature to 40°C, and enzymatically hydrolyze for 5 hours. The composite enzyme is pectinase, semi- Cellulase and ligninase, their mass ratio is 5:2:1;

[0043] (4) After the cellulose slurry obtained in step (3) is broken by a continuous hydraulic breaker for cleaning, it flows into a vibrating screen with an aperture of 2 mm for washing;

[0044] (5) Bleach the washed cellulose pulp, and use an extruder to sq...

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Abstract

The invention relates to the technical field of papermaking, in particular to a papermaking method which particularly includes the steps: respectively roughly grinding peanut shells and cornstalks; mixing pulp; performing enzymolysis by pectinase, hemicellulose and ligninase complex enzyme; washing the pulp by a vibrating screen; fermenting and centrifugally separating the pulp; adjusting beating degree; mixing the pulp according to a conventional process and meeting the pulp requirement for making various paper products. According to the papermaking method, stewing can be avoided, carbon consumption is decreased, discharged wastewater does not contain harmful substances, the peanut shells and the cornstalks with short growth period replace wood pulp produced paper, cost can be reduced, and various performances of the prepared paper are excellent.

Description

Technical field [0001] The invention relates to the technical field of papermaking, in particular to a papermaking method. Background technique [0002] At present, the bottleneck of the limited development of papermaking enterprises mainly comes from the following reasons. First, there is a shortage of resources. The growth process of each cubic of wood requires a long process of 10-15 years. The second is that excessive cutting of wood is used for paper making, which is not conducive to soil and water conservation. Natural disasters such as mudslides and sandstorms are common. Excessive felling of trees is closely related to the imbalance of soil and water conservation. [0003] Traditional papermaking processes mostly use strong alkali and strong acid cooking methods. The emission of "three wastes" will inevitably pollute the environment, which has attracted the attention of the government and relevant departments. Therefore, papermaking enterprises with imperfect environmental...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C5/00D21C9/00D21H11/12
CPCD21C5/005D21C9/00D21H11/12
Inventor 陈朝民
Owner 陈朝民
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