Effect of air to solid ratio in the clarification of yeast by colloidal gas aphrons

被引：0
|
作者：
Hashim, MA [1 ]
Sen Gupta, B [1 ]
Kumar, SV [1 ]
Lim, R [1 ]
Lim, SE [1 ]
Tan, CC [1 ]
机构：
[1] Univ Malaya, Inst Adv Studies, Kuala Lumpur 50603, Malaysia
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 1998年 / 71卷 / 04期
关键词：
colloidal gas aphrons; yeast; flotation; air to solid ratio;
D O I：
10.1002/(SICI)1097-4660(199804)71:4<335::AID-JCTB849>3.0.CO;2-H
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A study on the clarification of baker's yeast suspension by Colloidal Gas Aphrons (CGA) employing a cationic surfactant, benzyl-dimethyl-hexadecyl-ammonium chloride, is presented. The variables investigated were the CGA flowrate, air flowrate and the yeast concentration. A separation efficiency as high as 95% was achieved at the optimum conditions of air flowrate and feed concentration. The mechanism of particle-bubble attachment was identified and a simple model for the monolayer adsorption of yeast cells on the bubble surface derived. (C) 1998 SCI.
引用
收藏
页码：335 / 339
页数：5
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