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De-Emulsification of complex petroleum emulsions by use of microbial biomass

✍ Scribed by Kosaric, N. ;Duvnjak, Z. ;Cairns, W. L.

Book ID
102189728
Publisher
American Institute of Chemical Engineers
Year
1987
Tongue
English
Weight
419 KB
Volume
6
Category
Article
ISSN
0278-4491

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✦ Synopsis

It has been demonstrated in this laboratory that spec+ organism are capable of breaking both olw and wlo petroleum derived emulsions. Specijic bacteria have been selected and have been tested on model (kerosenelwater) and on complex field emulsions obtained during enhanced oil recovery trials (wlo) and in tar sands extraction process (olw). municipal and refinery waste water treatment processes as the de-emulsijiying agents for treatment of these emulsions. The results indicate that either pure microbial cultures or microbial waste biomass can be used to efficiently break industrial emulsions. This approach is

a novel application and is a promising alternative to use of chemically synthesized industrial de-emulsifying agents.

More recent studies involve the use of microbial biomass (sludge) from

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Bacteria-induced de-emulsification of oi
Bacteria-induced de-emulsification of oil-in-water petroleum emulsions
✍ N. C. C. Gray; A. L. Stewart; W. L. Cairns; N. Kosaric πŸ“‚ Article πŸ“… 1984 πŸ› Springer Netherlands 🌐 English βš– 357 KB

Nocardia c~arae has been shown to be a potent biological de-emulsifier of model oil-in-water emulsions and petroleum water-in-oil field emulsions. N. amarae is reported here to de-emulsify petroleum oil-in-water field emulsions. Parameters affecting the growth and the de-emulsifying ability of this