He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:中空纤维膜法制备聚合氯化铝的研究

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Date of Publication:2007-03-30

Journal:化学工程

Included Journals:PKU、ISTIC、CSCD

Volume:35

Issue:3

Page Number:71-74

ISSN No.:1005-9954

Key Words:中空纤维膜;聚合氯化铝(PAC);絮凝剂;Alb质量分数

Abstract:无机高分子絮凝剂聚合氯化铝(PAC)中的Alb形态质量分数是衡量其絮凝活性的主要指标.如何有效地制备高Alb质量分数的PAC产品已成为研究的重点.文中基于中空纤维膜表面具有大量的微米级微孔这一特点,采用中空纤维膜反应器作为碱液分布器制备PAC,实现了碱液微量连续可控地加入到AlCl3溶液中,从而显著提高了产品中的Alb质量分数.实验优化了制备工艺:碱化度B为2.0,碱液(NaOH)浓度为0.2 mol/L,氯化铝浓度为0.5 mol/L.检测结果表明:膜法制备的聚合氯化铝Alb质量分数可达90.18%,远高于其他方法制备的产品,其对染料模拟废水的絮凝效果远好于工业化产品.

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