International Journal of Civil Engineering and Technology (IJCIET)

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Volume 5, Issue 9,September 2014, Pages 276-284, Page Count - 9

LONG TERM BIOREMEDIATION OF PETROLEUM CONTAMINATED SOIL UNDER VARYING MOISTURE CONTENT

B Santhaveerana Goud (1) Prathibha D (2) Mohammed Idris (3)

(1) Professor, Department of Civil Engineering, University Visvesvaraya College of Engineering (UVCE), Bengaluru, Karnataka, India.
(2) Research Scholar, Department of Civil Engineering, University Visvesvaraya College of Engineering (UVCE), Bengaluru, Karnataka, India.
(3) Post Graduate Student, Department of Civil Engineering, University Visvesvaraya College of Engineering (UVCE), Bengaluru, Karnataka, India.

Manuscript ID:- 00000-50882
Access Type : Open Access
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Cite this article:B Santhaveerana Goud,Prathibha D,Mohammed Idris,  Long Term Bioremediation Of Petroleum Contaminated Soil Under Varying Moisture Content, International Journal of Civil Engineering and Technology(IJCIET), 2014, 5(9), PP.276-284

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Abstract

Petroleum hydrocarbon spills cause contamination of soils, surface aquifers and groundwater supplies, thereby having a negative impact on the environment. Advances in science and technology have enabled us to apply the potential of biological diversity for pollution abatement which is termed as bioremediation. Bioremediation is an innovative technology for the treatment of wide variety of contaminants. The present study was hence focused on treating petroleum contaminated soils utilizing the potential of bioremediation. The study emphasizes on hydrocarbon degradation during the long term bioremediation of petroleum contaminated soil. Moisture content of the soil was considered for optimization, in order to evaluate its influence on the biodegradation process. Biodegradation of Total Petroleum Hydrocarbons (TPH) was examined for 28 bioreactors with varying moisture content (30% - 90% field capacity) and one reactor was taken as control bioreactor. The physico-chemical and biological characteristics of the soil were tested on a weekly basis for a period of 23 weeks to determine the TPH degradation rate. It was observed that at moisture content of 60% field capacity, maximum TPH removal of 78.21% was recorded and the degradation rate constants for rapid and slow phase of degradation were 0.0250 d-1 and 0.00267 d-1respectively. Since the first (rapid) stage of degradation was dominating, efforts to enhance biological activity should be directed towards the first phase of biodegradation.
Author Keywords
Long Term Bioremediation Total Petroleum Hydrocarbons Moisture Content.
Index Keywords
Petroleum hydrocarbon spills biological diversity control bioreactor.
Acknowledgement
We wish to thank the University Grants Commission, New Delhi-110 002 for funding this major research project.


ISSN Print: 0976-6308 ISSN Online: 0976-6316
Source Type: Journals Document Type: Journal Article
Publication Language: English DOI:
Abbreviated Journal Title: IJCIET Access Type: Open Access
Publisher Name: IAEME Publication Resource Licence: CC BY-NC
Major Subject:Physical Sciences Subject Area classification: Engineering and Technology
Subject area: Civil and Structural Engineering Source: SCOPEDATABASE