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稻麦草蒸煮废液的酸沉淀性能(PDF)

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

Issue:
2003年03期
Page:
70-72
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Acid Precipitation of Rice and Wheat Straw Waste Liquor
Article ID:
1000-2006(2003)03-0070-03
Author(s):
YANG Yiqin
College of Chemical Engineering Nanjing Forestry University,Nanjing 210037,China
Keywords:
Wheat strawRice strawWaste liquorAcid precipitationAlkali lignin
Classification number :
TS749
DOI:
10.3969/j.jssn.1000-2006.2003.03.017
Document Code:
A
Abstract:
Acid precipitation properties of rice and wheat straw waste liquor under variety pH value(composition of precipitation and COD of waste liquor)were studied in this paper,the properties of lignin graded were analyzed.Results indicate that pH value is the main factor which affects the acid precipitate process.When pH is over 6,only a little precipitator can be obtained,and the main component is ash.So,highpurified lignin obtained has good applied properties by classification.This study can guide the process of acid precipitation and utilization of precipitated alkali lignin.

References

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Last Update: 1900-01-01