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桑皮的微生物脱胶制浆(PDF)

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

Issue:
1990年02期
Page:
54-59
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
APPLICATION OF PECTINASE PRODUCTION STRAIN ON THE MACERATION OF PAPERMULBERRY
Article ID:
1000-2006(1990)02-0054-06
Author(s):
Xu Hui Wang Chuanhuai
Department of Chemical Processing of Forest Products
Keywords:
Mutation breeding Pectinase Maceration Pulping Papermulberry
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1990.02.009
Document Code:
A
Abstract:
A mutant strain P-15-1 was obtained from Aspergillus niger 3316 by treating with UV and N.M.. In comparation with the parent strain, its enzymatic activity was increased by 40%. The culture medium for producing pectinase consisted of 2%(NH4)2SO4, 2% wheat bran", 2% citrus peel power. The optimal culture conditions are as follows, initial pH4.0, temperature 30癈 and cultivation time 72h.An effective nutrient solution for biopulping has been selected. Papermul-berry was defiberated in 40h under the optimal culture condition, The pulps, handsheets and the waste liquor were analyzed and discussed.

References

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Last Update: 1900-01-01