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Pulping and papermaking process through multiple-composition biological enzyme method

A biological enzyme method, pulping and papermaking technology, applied in the field of pulp manufacturing, can solve the problems of increased cost and difficulty in ensuring uniform temperature

Inactive Publication Date: 2012-02-08
王凤忠
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because lignin is an amorphous macromolecular structure, it has strong stability, and only a small amount of fungi can degrade lignin in microorganisms. For example, white rot fungi can only degrade some lignin, and high temperature and pressure are required, so it is difficult to ensure the temperature Uniform, resulting in increased costs

Method used

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Experimental program
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Embodiment Construction

[0011] The production process of paper pulp fermented by a variety of combined biological enzymes (white rot fungus, P. Reed, bamboo, and wood are used as raw materials to cut, that is, to cut grass. During the process of cutting grass, screening and stripping are carried out to remove leaves, skin, wax skin, and sand in the raw materials, remove 10% of impurities in raw materials, and reduce impurities entering the pulping process , reduce production water load; in the puffing process, add 30% pulping water to the puffing machine for the puffing process, and the temperature will reach 130-150 degrees Celsius. Tear along the fiber, keep the temperature of the raw material at 40-50 degrees Celsius, and the diameter of the fiber after puffing is 5-8 microns. In the fermentation process, after puffing, the combined biological enzyme preparation liquid is added to the raw materials and stirred. The raw materials are kept warm at 40-50 degrees Celsius and placed in a container unde...

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Abstract

The invention discloses a pulping and papermaking process through a multiple-composition biological enzyme method. The method is a biopulping method, which adopts a production process for preparing paper pulp through pulping and fermenting by using a multiple-composition biological enzyme method (phanerochaete, phanerochaete chrysosporium, xylanase, glucoamylase, yeast), adopts agricultural straws, rice and wheat straws, cotton stalks, rape stalks, reeds, bamboo, wood and the like as main raw materials, and comprises treatments of glass cutting, impurity removing, puffing, fermenting through multiple-composition biological enzyme, pulp washing, pulp selecting, defibrination and separation to form the pulp. According to the present invention, no black liquid is generated during the pulping process, the water from fermenting and pulping is recycled so as to achieve zero discharge of wastewater.

Description

technical field [0001] The invention relates to a process for making paper pulp, in particular to a production process for making paper pulp by fermenting multiple combined biological enzyme methods (white rot fungus, Pleurochaete chrysosporium, xylanase, glucoamylase, and yeast). Background technique [0002] my country is the country that first invented papermaking technology, and it is also a big country in the world for papermaking and paper consumption. However, the pulping and papermaking technology still uses the old-fashioned pulping production process. The main processes are alkaline pulping, ammonium pulping, and lime pulping. Pulping, sodium nitrate pulping and blasting pulping. These traditional pulping techniques use a large amount of chemical raw materials to extract lignin pulp in stalks, rice straw, reeds, and bamboo. During the cooking process, a large amount of chemical residues and reactants are produced, and a large amount of black liquor pollutants are g...

Claims

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Application Information

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IPC IPC(8): D21H17/20
Inventor 王凤忠
Owner 王凤忠
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