姜晓滨
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微孔膜界面响应法对结晶介稳区宽度的精确测定
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Indexed by:Journal Papers

Date of Publication:2019-05-28

Journal:膜科学与技术

Included Journals:PKU

Volume:39

Issue:4

Page Number:89-95,103

ISSN No.:1007-8924

Key Words:介稳区宽度;微孔膜界面响应;晶体成核;膜蒸馏结晶;跨膜通量

Abstract:在膜蒸馏-结晶过程的基础上,根据膜选择性脱除溶剂、膜孔区域成核导致通量骤减的原理,开发了一种以微孔膜界面响应结晶成核的新方法,精确测定高浓度、低透光溶液的结晶介稳区宽度.采用微孔膜界面响应法分别探究了氯化钠、硝酸钾和氯化铜几种二元水溶液体系的成核生长过程,并完成介稳区宽度测定.结果表明,微孔膜界面响应法的通量衰减转折点总是早于激光法的光强信号转折点,随温度的升高,跨膜通量升高,介稳区宽度增大;对于低透光率溶液体系,激光法的光强信号极低,无法测定,而微孔膜界面响应法则可以完成相应体系的成核响应和数据测定.

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Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions:化工学院副院长

Other Post:Vice director of Engineering Laboratory of Liaoning Province

Gender:Male

Alma Mater:Tianjin University

Degree:Doctoral Degree

School/Department:School of Chemical Engineering

Discipline:Chemical Engineering. Membrane Science and Technology. Water Science and Technology

Business Address:大连理工大学西部校区化工实验楼D405

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