Determination of Important factors on Bioremediation of Crude Oil Contaminated Soils

Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICHEC05_061

تاریخ نمایه سازی: 7 بهمن 1386

Abstract:

Successful bioremediation of contaminated soils is often limited by physico-chemical and biological factors. The aim of this work is devoted to investigating the effect of 8 important factors on bioremediation of crude oil contaminated soil. These factors are time, salt, activated sludge, bacteria, compost, molasses, humidity and urea. We used a mixed culture with three sp. of isolated bacteria. Design of experiment was done according to Taguchi method. The effective percent was determined for each factor by the analysis of variance. The results showed bacteria is the most important factor where salt and compost have the lowest effective percent. The optimum values of factors were obtained and the maximum oil removal percent in optimum conditions was 68%, where the intrinsic bioremediation was about 12%.

Authors

Seyed Foad Aghamiri

Chemical Engineering Dept., University of Isfahan, Isfahan, Iran

Kasra Kabiri

Chemical Engineering Dept., University of Isfahan, Isfahan, Iran

Giti Emtiazi

Biological Science Dept., University of Isfahan, Isfahan, Iran

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