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日本落叶松硫酸盐浆漂白特性(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年03期
Page:
87-90
Column:
研究论文
publishdate:
2007-03-20

Article Info:/Info

Title:
A Study on Bleaching Properties of KP Pulp of Larix kaempferi
Article ID:
1000-2006(2007)03-0087-04
Author(s):
WANG Jun-hui12 ZHANG Shou-gong2 SHI Shu-lan3 HU Hui ren3 ZHANG Song zhi1 MA Jian-wei4 ZHANG Jian-hua4
1. Research Institute of Forestry CAF. Beijing 100091, China; 2. Key Laboratory of Tree Breeding and Cultivation State Forestry Adntinistration, Beijing 100091, China; 3. School of Material Science and Chemical Engineering Tianjin University of Science and Technology, Tianjin 300222, China; 4. Research Institute of Fores’try of Xiaolongshan, Tianshui 741090, China
Keywords:
Larix kaempferi Kraft pulp Bleaching
Classification number :
TS745
DOI:
10.3969/j.jssn.1000-2006.2007.03.018
Document Code:
A
Abstract:
Bleaching properties of KP pulp of Larix kaempJeri were investigated in order to understand physical properties of L. kaempJeri pulp. The results showed that the whiteness of bleaching pulp could reach 71% (ISO) after three stages bleaching of general CEH, where the most effective dosage of chlorine and NaOH was 8%, 2.5%, respectively. The whitenessof pulp could reach 81%(ISO) after the bleaching of CDEaD when the most effective dosage of chlorine was 9% and the reasonable dosage of NaOH on EH stage 2%. Both bleaching procedures could reach 82% (ISP) with the total effective dosage of chlorine 7.9%; after the bleaching of D/CE1D1E2D2 and DE1D, E2D2. The whiteness of pulp could reach 76.6%(ISO) from 27.3%(ISO) by a procedure of oxygen bleaching with enhanced H2O2 and bleaching with two stage H2O2 (OPQP1P2).

References

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Last Update: 2013-05-20