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Research on the Separation of Polyalcohol Component from the Crystalline Silicon Cutting Waste Liquid by Continuous Vacuum Distillation(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2014年02期
Page:
74-
Research Field:
Publishing date:

Info

Title:
Research on the Separation of Polyalcohol Component from the Crystalline Silicon Cutting Waste Liquid by Continuous Vacuum Distillation
Author(s):
Shen Yanbo; Xu Wei; Liu Zhenlei; Cui Qingshuai; Yang Guangyu; Li Xing; Lin Jun
School of Chemistry and Material Science,Nanjing Normal University,Nanjing 210023,China
Keywords:
polyalcohol; orthogonal experiment; continuous vacuum disstillation
PACS:
TQ013.1
DOI:
-
Abstract:
A process route is designed to separate and recycle the polyalcohol component from the crystalline silicon cutting waste liquid by continuous vacuum distillation with threecolumns in series.The effects of the stage numbers of distillation column,pressure,reflux ratio,and the number of feed stage on product purity are investigated with the orthogonal experiment,respectively.The obtained optimized results provide the fundamental guide for the theoretical study and industrialized application.

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Last Update: 2014-06-30