[1]王楚,翟华敏*,刘婧怡,等.耐热耐碱木聚糖酶对马尾松KP浆的助漂性能[J].南京林业大学学报(自然科学版),2010,34(03):031-34.[doi:10.3969/j.jssn.1000-2006.2010.03.007]
 WANG Chu,ZHAI Hua min*,LIU Jing yi,et al.Effect of thermostable and alkaline tolerant xylanase pretreatment on the bleaching properties of pine kraft pulp[J].Journal of Nanjing Forestry University(Natural Science Edition),2010,34(03):031-34.[doi:10.3969/j.jssn.1000-2006.2010.03.007]
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耐热耐碱木聚糖酶对马尾松KP浆的助漂性能
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
34
期数:
2010年03期
页码:
031-34
栏目:
研究论文
出版日期:
2010-06-29

文章信息/Info

Title:
Effect of thermostable and alkaline tolerant xylanase pretreatment on the bleaching properties of pine kraft pulp
作者:
王楚翟华敏*刘婧怡戴铠吴文娟
南京林业大学,江苏省制浆造纸科学与技术重点实验室,江苏南京210037
Author(s):
WANG Chu ZHAI Huamin* LIU Jingyi DAI Kai WU Wenjuan
Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China
关键词:
木聚糖酶ECF漂白KP浆马尾松
Keywords:
xylanase ECF bleaching kraft pulp Pinus massoniana
分类号:
Q556;TS245.9
DOI:
10.3969/j.jssn.1000-2006.2010.03.007
文献标志码:
A
摘要:
根据预处理前后纸浆黏度和卡伯值的变化,研究了耐热耐碱木聚糖酶X对马尾松硫酸盐浆预处理的选择性;通 过分析酶预处理对各漂段白度和终漂黏度的影响,揭示了该酶对D0E1D1E2D2漂白特性的影响。结果表明:耐热耐碱 木聚糖酶X预处理具有较高的助漂选择性,处理后纸浆的卡伯值和黏度变化不大;耐热耐碱木聚糖酶X的适应性较广 ,在pH 8.0~9.5、温度为75~80 ℃范围内都可以发挥其有效的助漂作用;在相同漂剂用量下,耐热耐碱木聚糖酶X预 处理可提高浆的终漂白度,而黏度略有下降,在达到相同白度(90 % ISO)时可减少D0段ClO2用量26 %~27 %。
Abstract:
The selectivity of thermostable and alkaline tolerant xylanase X on the pretreatment and pine kraft pulp bleaching was studied according to the change of pulp viscosity and kappa number before and after the pretreatment. The effect of the pretreatment on D0E1D1E2D2 bleaching properties was revealed by the changes of brightness of each bleaching stage and final viscosity. The results showed that the pretreatment had high selectivity without causing an obvious decrease of the pulp viscosity. The effective pretreatment conditions can be varied among pH 8.0—9.5 and 75—80 ℃. The final brightness of the bleached pulps pretreated with xylanase X was 1 % ISO higher than that of no pretreated one (90 % ISO brightness), but the viscosity lowed little under the same bleaching conditions or the ClO2 dosage in the D0 stage could be saved by 26 %—27 % to achieve the same brightness (90 % ISO) of the nopretreatment bleached pulp.

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备注/Memo

备注/Memo:
收稿日期:2009-09-21修回日期:2009-12-28基金项目:国家自然科学基金项目(30471360) 作者简介:王楚(1984—),硕士生。*翟华敏(通信作者),教授。Email: hzhai@njfu.edu.cn。引文格式:王楚, 翟华敏,刘婧怡,等. 耐热耐碱木聚糖酶对马尾松KP浆的助漂性能[J]. 南京林业大学学报:自然科学版,2010,34 (3):31-34.
更新日期/Last Update: 2010-06-29