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Mineralisation of target hydrocarbons in three contaminated soils from former refinery facilities

Towell, Marcie and Bellarby, Jessica and Paton, Graeme I. and Coulon, Frederic and Pollard, Simon J. T. and Semple, Kirk T. (2011) Mineralisation of target hydrocarbons in three contaminated soils from former refinery facilities. Environmental Pollution, 159 (2). pp. 515-523. ISSN 0269-7491

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This study investigated the microbial degradation of C-14-labelled hexadecane, octacosane, phenanthrene and pyrene and considered how degradation might be optimised in three genuinely hydrocarbon-contaminated soils from former petroleum refinery sites. Hydrocarbon mineralisation by the indigenous microbial community was monitored over 23 d. Hydrocarbon mineralisation enhancement by nutrient amendment (biostimulation), hydrocarbon degrader addition (bioaugmentation) and combined nutrient and degrader amendment, was also explored. The ability of indigenous soil microflora to mineralise C-14-target hydrocarbons was appreciable; >= 16% mineralised in all soils. Generally, addition of nutrients or degraders increased the rates and extents of mineralisation of C-14-hydrocarbons. However, the addition of nutrients and degraders in combination had a negative effect upon C-14-octacosane mineralisation and resulted in lower extents of mineralisation in the three soils. In general, the rates and extents of mineralisation will be dependent upon treatment type, nature of the contamination and adaptation of the ingenious microbial community.

Item Type: Journal Article
Journal or Publication Title: Environmental Pollution
Subjects: ?? ge ??
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 58441
Deposited By: ep_importer_pure
Deposited On: 19 Sep 2012 12:10
Refereed?: Yes
Published?: Published
Last Modified: 22 May 2018 03:44
Identification Number:

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