✦ LIBER ✦

Degradation and mineralization of petroleum in sea water: Limitation by nitrogen and phosphorous

✍ Scribed by Ronald M. Atlas; Richard Bartha

Publisher: John Wiley and Sons
Year: 1972
Tongue: English
Weight: 469 KB
Volume: 14
Category: Article
ISSN: 0006-3592
DOI: 10.1002/bit.260140304

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✦ Synopsis

Biodegradation and mineralization of petroleum, added at 1% (v/v) to freshly collected sea water, were measured using gas-liquid chromatographic, residual weight, and COz-evolution techniques. Only 3% of the added petroleum was biodegraded and 1% was mineralized in unamended sea water after 18 days of incubation. Added individually, nitrate (10-2 M) or phosphate (3.5 X lo-' &I) supplements caused little improvement, but when added in combination, they increased petroleum biodegradation and mineralization to 70% and 42%, respectively. Attempts to clean up oil spills with the aid of microorganisms should take into consideration the nutritional deficiencies of sea water.

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