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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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