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Low-whiteness and low-DCM extract bleached sulfate broadleaf wood pulp, preparation method thereof, wood pulp board and preparation method thereof

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Title:
Low-whiteness and low-DCM extract bleached sulfate broadleaf wood pulp, preparation method thereof, wood pulp board and preparation method thereof
Author: LI XIUJIN ; ZHANG YAN ; CHENG YONG ; WU GUANGJIAN ; YANG HENG ; WANG SHAOGUANG
Subjects: APPARATUS THEREFOR ; IMPREGNATING OR COATING OF PAPER ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; 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
Description: The invention provides a preparation method of low-whiteness and low-DCM extract bleached sulfate broadleaf wood pulp, which is characterized in that through process optimization and addition of special chemicals, on the basis that the content of DCM extract is less than or equal to 0.15%, a low-whiteness pulp production technology is combined, the use amount of bleaching chemicals is reduced, and the production cost is reduced. The acacia wood pulp/acacia and eucalyptus mixed pulp with low whiteness (the whiteness is 80-86%) and low DCM extract content (less than or equal to 0.15%) is obtained, high-quality acacia wood pulp is provided for customers of paper for daily use and can replace imported wood pulp products, and the added value of the products is improved, for example, the quality of finished paper is improved, the operation performance of a paper machine is improved, and the production cost is saved. The invention further provides the low-whiteness and low-DCM extract bleached sulfate hardwood pulp,
Creation Date: 2023
Language: Chinese;English
Source: esp@cenet

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Low-whiteness and low-DCM extract bleached sulfate broadleaf wood pulp, preparation method thereof, wood pulp board and preparation method thereof

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