DE-EMULSIFICATION OF OIL-IN-WATER EMULSIONS BY BACILLUS-SUBTILIS

被引：42

作者：

JANIYANI, KL ^{[1
]}

PUROHIT, HJ ^{[1
]}

SHANKER, R ^{[1
]}

KHANNA, P ^{[1
]}

机构：

[1] NATL ENVIRONM ENGN RES INST,DIV RES,NEHRU MARG,NAGPUR 440020,INDIA

来源：

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 1994年 / 10卷 / 04期

关键词：

ACETOIN; BACILLUS-SUBTILIS; CELL-FREE BROTH; DE-EMULSIFICATION; OIL-IN-WATER EMULSION; OILY SLUDGE; SECONDARY METABOLITE;

D O I：

10.1007/BF00144471

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：

Bacillus subtilis grown on glucose produced a de-emulsifier that broke down model oil-in-water emulsions. The de-emulsification increased with contact time and the recovery of oil was 98% with 0.6 mg de-emulsifier/ml emulsion. GLC and i.r. analysis of the molecule extracted from cell-free broth demonstrated that the de-emulsifier was acetoin. It may be better to use acetoin, a metabolite of glucose metabolism, to recover oil from oily sludges instead of microbial cells, because of its stability and de-emulsification activity.

引用

页码：452 / 456

页数：5

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