STATISTICAL ANALYSIS OF MAIN AND INTERACTION EFFECTS DURING THE REMOVAL OF BTEX MIXTURES IN BATCH CONDITIONS, USING WASTEWATER TREATMENT PLANT SLUDGE MICROBES

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RENE E.R.; JO M.S.; PARK H.S.; KIM S.H.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2007 | Volume:4 | Issue:2 (14) Page(s): 177-182

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Title

STATISTICAL ANALYSIS OF MAIN AND INTERACTION EFFECTS DURING THE REMOVAL OF BTEX MIXTURES IN BATCH CONDITIONS, USING WASTEWATER TREATMENT PLANT SLUDGE MICROBES

Author(s)

RENE E.R. | JO M.S. | PARK H.S. | KIM S.H. | Issue Writer Certificate

Keywords

BTEX MIXTURE

BIODEGRADATION

FRACTIONAL FACTORIAL DESIGN

REMOVAL EFFICIENCY

STATISTICAL ANALYSIS

Abstract

Biodegradation has proved to be a versatile technique to remediate benzene, toluene, ethyl benzene and xylene (BTEX) mixtures in contaminated soil and groundwater. In this study, a mixed microbial culture obtained from a wastewater treatment plant was used to degrade liquid phase BTEX, at initial concentrations varying between 15 to 75mg/l. Experiments were conducted according to the 2 k-1 FRACTIONAL FACTORIAL DESIGN to identify the main and interaction effects of parameters and their influence on BIODEGRADATION of individual BTEX compounds in mixtures. The removal efficiencies of these compounds varied between 2 to 90% depending on the concentration of other compounds and also on their interaction effects. A statistical interpretation of the results was done based on the Fishers variance ratio (F) and probability (P) values. Though all the main effects were found significant (P<0.05) at the 5% confidence level, the interactions between benzene and toluene and benzene and xylene concentrations were also found to be statistically significant and play a major role in affecting the total BTEX removal.

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APA: Copy

RENE, E.R., JO, M.S., PARK, H.S., & KIM, S.H.. (2007). STATISTICAL ANALYSIS OF MAIN AND INTERACTION EFFECTS DURING THE REMOVAL OF BTEX MIXTURES IN BATCH CONDITIONS, USING WASTEWATER TREATMENT PLANT SLUDGE MICROBES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 4(2 (14)), 177-182. SID. https://sid.ir/paper/285022/en

Vancouver: Copy

RENE E.R., JO M.S., PARK H.S., KIM S.H.. STATISTICAL ANALYSIS OF MAIN AND INTERACTION EFFECTS DURING THE REMOVAL OF BTEX MIXTURES IN BATCH CONDITIONS, USING WASTEWATER TREATMENT PLANT SLUDGE MICROBES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2007;4(2 (14)):177-182. Available from: https://sid.ir/paper/285022/en

IEEE: Copy

E.R. RENE, M.S. JO, H.S. PARK, and S.H. KIM, “STATISTICAL ANALYSIS OF MAIN AND INTERACTION EFFECTS DURING THE REMOVAL OF BTEX MIXTURES IN BATCH CONDITIONS, USING WASTEWATER TREATMENT PLANT SLUDGE MICROBES,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 4, no. 2 (14), pp. 177–182, 2007, [Online]. Available: https://sid.ir/paper/285022/en

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