The improved cleanup of marine oil spills by stimulating biodegradation through the use of a slow-release fertilizer is reported. A paraffin-supported fertilizer containing MgNH4PO4 as active ingredient was developed and evaluated in laboratory and field experiments using quantitative infrared spectrometry and chromatographic techniques. The biodegradation of Sarir crude oil in the sea was considerably enhanced by paraffin-supported fertilizer. After 21 days 63% had disappeared as compared to 40% in the control area.
The gas chromatography-mass spectrometry technique was employed to characterize n-decane oxidation products of Corynebacterium strains 7E1C and 269 (SNAM Progetti collection) after 73 h of incubation at 35 C. Corynebacterium 7E1C accumulated consistent amounts of esters of long chain acids with long chain alcohols, mainly decyldecanoate as well as products with mono-and diterminal carboxylic functions. Corynebacterium 269 yielded 1decanol and 1-10 decanediol as principal oxidation products.
The gas chromatography-mass spectrometry technique was employed to characterize
n
-decane oxidation products of
Corynebacterium
strains 7E1C and 269 (SNAM Progetti collection) after 73 h of incubation at 35 C.
Corynebacterium
7E1C accumulated consistent amounts of esters of long chain acids with long chain alcohols, mainly decyldecanoate as well as products with mono- and diterminal carboxylic functions.
Corynebacterium
269 yielded 1-decanol and 1-10 decanediol as principal oxidation products.
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