Pulping method applying biological enzyme
A biological enzyme and pulp blending technology, applied in the field of papermaking, can solve the problems of limited enzyme activity sites, low physical properties of paper, and high energy consumption, and achieve the effects of increasing permeability, facilitating fiber crushing, and reducing cohesion.
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Embodiment 1
[0018] A beating method using biological enzymes, comprising the following processing steps:
[0019] (1) Pulp preparation: softwood pulp and broadleaf pulp are mixed in a weight ratio of 6:4 to obtain mixed pulp;
[0020] (2) prepare beating biological enzymes: adopt modified biological enzymes, the modified biological enzymes are made up of the following raw materials in parts by weight: 40 parts of cellulase, 40 parts of hemicellulase, 10 parts of laccase, 50 parts of amino acid, 40 parts of L-phenylalanine methyl ester hydrochloride, 70 parts of 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride, 10 parts of activated carbon; The preparation method of the modified biological enzyme is: mix laccase with 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and L-phenylalanine methyl ester hydrochloride at room temperature Mix and react for 1 hour, then add histidine for mixing, add a pH regulator to make pH = 4.8, react at room temperature for 0.3 hours, then ...
Embodiment 2
[0024] A beating method using biological enzymes, comprising the following processing steps:
[0025] (1) pulp preparation: coniferous pulp and broadleaf pulp are mixed in a weight ratio of 6.5:3.5 to obtain mixed pulp;
[0026] (2) Preparation of beating biological enzymes: modified biological enzymes are used, and the modified biological enzymes are composed of the following raw materials in parts by weight: 43 parts of cellulase, 42 parts of hemicellulase, 13 parts of laccase, 62 parts of amino acid, 50 parts of L-phenylalanine methyl ester hydrochloride, 75 parts of 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride, 12 parts of activated carbon; The preparation method of the modified biological enzyme is: mix laccase with 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and L-phenylalanine methyl ester hydrochloride at room temperature Mix and react for 1.5 hours, then add histidine for mixing, add a pH regulator to make pH = 5.2, react at room temperat...
Embodiment 3
[0030] A beating method using biological enzymes, comprising the following processing steps:
[0031] (1) Pulp preparation: softwood pulp and broadleaf pulp are mixed in a weight ratio of 7:3 to obtain mixed pulp;
[0032] (2) Preparation of beating biological enzymes: modified biological enzymes are used, and the modified biological enzymes are composed of the following raw materials in parts by weight: 45 parts of cellulase, 45 parts of hemicellulase, 15 parts of laccase, 65 parts of amino acid, 55 parts of L-phenylalanine methyl ester hydrochloride, 80 parts of 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride, 15 parts of activated carbon; The preparation method of the modified biological enzyme is: mix laccase with 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and L-phenylalanine methyl ester hydrochloride at room temperature Mix and react for 2 hours, then add histidine for mixing, add a pH regulator to make pH = 6.0, react at room temperature for ...
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