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Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way

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Title:
Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way
Author: LIU AIBING ; YU WEIDONG ; XIE PENG ; XU FAXIANG ; JIE FAQUAN ; CHEN CHANGMING ; XUE QIN
Subjects: APPARATUS THEREFOR ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT ; FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; 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 ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
Description: The invention discloses a steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in a compound way. Compound paper pulp is steamed in a continuous steamer, wherein a continuous steaming pipe of the continuous steamer has three sections, one section connected with a pre-reaction storage bin is provided with steam pipes and a T-shaped pipe, and the other two sections are provided with steam pipes, and steam is introduced into the continuous steamer through the steam pipes; and alkali liquor is added into the continuous steaming pipe through the T-shaped pipe, and the alkali liquor is NaOH and is added in an amount which is 17 to 23 percent of absolute dry weight. According to the steaming process, the bleaching bamboo paper pulp and the bleaching wood paper pulp are used as raw materials, so that the cost for preparing the dissolving pulp is greatly reduced, and requirements on quality of the dissolving pulp for viscose fiber are met.
Creation Date: 2012
Language: Chinese;English
Source: esp@cenet

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Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way

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