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Environment-friendly wood pulp process
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Title:
Environment-friendly wood pulp process
Author:
CHENG BO
Subjects:
APPARATUS THEREFOR
;
IMPREGNATING OR COATING OF PAPER
;
METHODS OF PRODUCING PAPER THEREON
;
PAPER NOT OTHERWISE PROVIDED FOR
;
PAPER-MAKING
;
PAPER-MAKING MACHINES
;
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
;
PRODUCTION OF CELLULOSE
;
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
;
PULP COMPOSITIONS
;
REGENERATION OF PULPING LIQUORS
;
TEXTILES
;
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
;
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
Description:
The invention discloses an environment-friendly wood pulp process, and relates to the technical field of modification of papermaking-grade wood pulp. The process comprises the following steps of pulverization, hydrolysis, washing, beating and dissolving, sand removing, alkali immersion, squeezing and alkali removal, secondary washing, acid treatment and ternary washing; the step of hydrolysis involves that the pulverized papermaking-grade wood pulp is added into a steaming ball according to the mass ratio of absolutely-dry wood pulp to water of 1:(4-5), and then the temperature rises to 165-172 DEG C to perform heat preservation for 2-3 hours for hydrolysis. Compared with the prior art, the environment-friendly wood pulp process has the advantages that the immersion time of the pulp is prolonged, optimized auxiliary materials are added, and the prepared paper uses a small amount of wood pulp, has high strength and meets the environmental protection requirements. 本发明公开了种环保木浆工艺,本发明涉及造纸级木浆的改性技术领域,步骤如下:粉碎、水解、洗涤、打
Creation Date:
2019
Language:
Chinese;English
Source:
esp@cenet
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