Bioremediation for a Soil Contaminated with Hydrocarbons

The objective of this study was to remediate through biopiles, 27,400 m super( 3) of soil contaminated with heavy fraction hydrocarbons (HFH) at a Maritime Terminal in southeastern Mexico. To clean the soil, two bioremediation stages were considered: batches of soil of 3,800 m super( 3) subjected to...

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Bibliographic Details
Published inJournal of petroleum & environmental biotechnology Vol. 6; no. 2; p. 1
Main Authors Iturbe, Rosario, Lopez, Jessica
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Aeration
Bacteria
Bioremediation
Contamination
Farming
Hydrocarbons
Land
Pretreatment
Soil (material)
Mexico
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Summary:The objective of this study was to remediate through biopiles, 27,400 m super( 3) of soil contaminated with heavy fraction hydrocarbons (HFH) at a Maritime Terminal in southeastern Mexico. To clean the soil, two bioremediation stages were considered: batches of soil of 3,800 m super( 3) subjected to land farming pretreatment, biopiles formation of 70 m length, 16 m width, and 2 m height. The parameters controlled during 8 months of bioremediation were: nutrients, water content, aeration, and temperature. Monitoring contemplated monthly sampling of each biopile, the analyzed parameters were the heavy fraction hydrocarbons, bacteria counting, and respirometry. Results revealed that HFH removal in biopiles reached 43.2% after pre-treatment (land farming), 68.7% at mid-treatment, and 77.7% at the end of treatment. The land farming pretreatment achieved a higher percentage of hydrocarbons removal, because aeration was very efficient at the start of treatment; therefore, enhancing aerobic biodegradation.
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ISSN:2157-7463
2157-7463
DOI:10.4172/2157-7463.1000208