IngentaConnect Organic-geochemical Differentiation of Petroleum-type Pollutants ...

Authors: Jovančićević, Branimir¹; Vrvić, Miroslav; Schwarzbauer, Jan; Wehner, Hermann; Scheeder, Georg; Vitorović, Dragomir

Source: Water, Air, and Soil Pollution, Volume 183, Numbers 1-4, July 2007 , pp. 225-238(14)

Publisher: Springer

Abstract:

A review is given in this paper of the up-to-date results observed in differentiation and transformation studies on petroleum-type pollutants in underground and surface waters. Water and particulate matter derived from the locality of Pančevo Petroleum Refinery, Serbia (River Danube alluvial formations). It was shown that distributions of n-alkanes, steranes and triterpanes, and δ¹³C_PDB values of n-alkanes may successfully be used for qualitatively differentiating the petroleum-type pollutants from native organic matter in recent sedimentary formations. In underground waters, a petroleum-type pollutant is exposed to microbiological degradation which is manifested through relatively fast degradation of n-alkanes. Following an almost complete degradation of crude oil n-alkanes in underground water, the biosynthesis of novel, even carbon-number C₁₆-C₃₀ n-alkanes may be observed. It is shown that the n-alkane distribution observed in a petroleum-type pollutant may depend on the intensity of its previous interaction with water. The fate of petroleum-type pollutants in environmental waters may be predicted through laboratory simulative microbiological degradation experiments by using microorganism consortiums similar to those observed under relevant natural conditions, as well as on corresponding nutrient base.

Keywords: n-Alkanes; Alluvial sediments; Biodegradation; Identification; δ13CPDB; Pančevo Petroleum Refinery; Petroleum pollutants; Steranes; Triterpanes

Document Type: Research article

DOI: 10.1007/s11270-007-9371-7

Affiliations: 1: Email: bjovanci@chem.bg.ac.yu

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Organic-geochemical Differentiation of Petroleum-type Pollutants and Study of Their Fate in Danube Alluvial Sediments and Corresponding Water (Pančevo Oil Refinery, Serbia)