南京林业大学学报（自然科学版） ›› 2003, Vol. 27 ›› Issue (03): 70-72.doi: 10.3969/j.jssn.1000-2006.2003.03.017
• 研究论文 • 上一篇 下一篇
杨益琴
出版日期:
发布日期:
YANG Yiqin
Online:
Published:
摘要： <正>对稻、麦草蒸煮废液在不同pH下的酸沉淀特性(沉淀物的组成及清液的COD等)进行了研究,并对分级沉淀的木质素进行了应用性能分析。结果表明,pH是影响酸沉淀过程的主要因素,pH≥6时,仅有极少量的木质素被沉淀,沉淀物主要为灰分;采取分级沉淀的方法可以得到纯度较高、性能良好的木质素产品。
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,highpurified lignin obtained has good applied properties by classification.This study can guide the process of acid precipitation and utilization of precipitated alkali lignin.
中图分类号:
TS749
杨益琴. 稻麦草蒸煮废液的酸沉淀性能[J]. 南京林业大学学报（自然科学版）, 2003, 27(03): 70-72.
YANG Yiqin. Acid Precipitation of Rice and Wheat Straw Waste Liquor[J].Journal of Nanjing Forestry University (Natural Science Edition), 2003, 27(03): 70-72.DOI: 10.3969/j.jssn.1000-2006.2003.03.017.
/ 推荐
导出引用管理器 EndNote|Reference Manager|ProCite|BibTeX|RefWorks
链接本文: http://nldxb.njfu.edu.cn/CN/10.3969/j.jssn.1000-2006.2003.03.017
http://nldxb.njfu.edu.cn/CN/Y2003/V27/I03/70
