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Cooking process for compound modification of bleached bamboo paper pulp and cotton paper pulp into dissolving pulp

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Title:
Cooking process for compound modification of bleached bamboo paper pulp and cotton paper pulp into dissolving pulp
Author: LIU AIBING ; YU WEIDONG ; WU LONG ; LI WENGUI ; XU FAXIANG ; JIE FAQUAN ; CHEN CHANGMING ; XUE QIN
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 discloses a cooking process for compound modification of bleached bamboo paper pulp and cotton paper pulp into dissolving pulp. The cotton paper pulp is conveyed by a conveyor into a cooker for cooking after a preparation procedure; and the compound paper pulp of the cooked cotton paper pulp and the prepared bleached bamboo paper pulp is conveyed into a continuous cooker for cooking, wherein the conditions of the cooking process are as follows: the liquor ratio is 1 : (2.0-4.0), the compression ratio is 1 : (2.0-3.0), the temperatures of introduced steam are 105 plug or minus 5 DEG C, 140 plug or minus 5 DEG C, and 145-170 DEG C respectively, and 17-23 percent (by bone dry weight) of NaOH is added into a continuous cooking tube through a T-shaped tube. According to the invention, as the bleached bamboo paper pulp and the cotton paper pulp are adopted as raw materials, the preparation cost of the dissolving pulp is reduced to a great extent, and meanwhile the quality requirements of the dissolvin
Creation Date: 2012
Language: Chinese;English
Source: esp@cenet

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Cooking process for compound modification of bleached bamboo paper pulp and cotton paper pulp into dissolving pulp

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