A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments

This work studied the bioremediation of weathered crude oil (WCO) in coastal sediment samples using central composite face centered design (CCFD) under response surface methodology (RSM). Initial oil concentration, biomass, nitrogen and phosphorus concentrations were used as independent variables (f...

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Main Authors: Mohajeri, L., Aziz, H.A., Isa, M.H., Zahed, M.A.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.1428 /
Published: 2010
Subjects:
TD Environmental technology. Sanitary engineering
Online Access: http://eprints.utp.edu.my/1428/1/A_statistical_experiment_design_approach_for_optimizing_biodegradation_of_weathered_crude_oil_in_coastal_sediments.pdf
http://eprints.utp.edu.my/1428/
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spelling utp-eprints.14282017-03-20T01:59:56Z A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments Mohajeri, L. Aziz, H.A. Isa, M.H. Zahed, M.A. TD Environmental technology. Sanitary engineering This work studied the bioremediation of weathered crude oil (WCO) in coastal sediment samples using central composite face centered design (CCFD) under response surface methodology (RSM). Initial oil concentration, biomass, nitrogen and phosphorus concentrations were used as independent variables (factors) and oil removal as dependent variable (response) in a 60 days trial. A statistically significant model for WCO removal was obtained. The coefficient of determination (R2 = 0.9732) and probability value (P < 0.0001) demonstrated significance for the regression model. Numerical optimization based on desirability function were carried out for initial oil concentration of 2, 16 and 30 g per kg sediment and 83.13, 78.06 and 69.92 per cent removal were observed respectively, compare to 77.13, 74.17 and 69.87 per cent removal for un-optimized results. 2010-02 Article PeerReviewed application/pdf http://eprints.utp.edu.my/1428/1/A_statistical_experiment_design_approach_for_optimizing_biodegradation_of_weathered_crude_oil_in_coastal_sediments.pdf Mohajeri, L. and Aziz, H.A. and Isa, M.H. and Zahed, M.A. (2010) A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments. Bioresource Technology, 101 (3). pp. 893-900. http://eprints.utp.edu.my/1428/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
topic TD Environmental technology. Sanitary engineering
spellingShingle TD Environmental technology. Sanitary engineering
Mohajeri, L.
Aziz, H.A.
Isa, M.H.
Zahed, M.A.
A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
description This work studied the bioremediation of weathered crude oil (WCO) in coastal sediment samples using central composite face centered design (CCFD) under response surface methodology (RSM). Initial oil concentration, biomass, nitrogen and phosphorus concentrations were used as independent variables (factors) and oil removal as dependent variable (response) in a 60 days trial. A statistically significant model for WCO removal was obtained. The coefficient of determination (R2 = 0.9732) and probability value (P < 0.0001) demonstrated significance for the regression model. Numerical optimization based on desirability function were carried out for initial oil concentration of 2, 16 and 30 g per kg sediment and 83.13, 78.06 and 69.92 per cent removal were observed respectively, compare to 77.13, 74.17 and 69.87 per cent removal for un-optimized results.
format Article
author Mohajeri, L.
Aziz, H.A.
Isa, M.H.
Zahed, M.A.
author_sort Mohajeri, L.
title A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
title_short A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
title_full A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
title_fullStr A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
title_full_unstemmed A statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
title_sort statistical experiment design approach for optimizing biodegradation of weathered crude oil in coastal sediments
publishDate 2010
url http://eprints.utp.edu.my/1428/1/A_statistical_experiment_design_approach_for_optimizing_biodegradation_of_weathered_crude_oil_in_coastal_sediments.pdf
http://eprints.utp.edu.my/1428/
_version_ 1741196050807390208
score 11.62408

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