Evaluation of Efficiency and Biodegradability of Lubricant Oil Treated by Sequencing Batch Reactor (SBR) - Volume 9 Number 8 (Aug. 2018) - IJESD
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    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
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The University of Queensland, Australia
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IJESD 2018 Vol.9(8): 204-207 ISSN: 2010-0264
doi: 10.18178/ijesd.2018.9.8.1101

Evaluation of Efficiency and Biodegradability of Lubricant Oil Treated by Sequencing Batch Reactor (SBR)

Boonchai Wichitsathian and Watcharapol Wonglertarak
Abstract—Oily wastewater is one of the most concerned pollution sources due to its consisting of toxic substances such as phenols, petroleum hydrocarbons, and polyaromatic hydrocarbons. Those substances are also inhibitory to plant and animal growth as well as mutagenic and carcinogenic to human being. Such kind of wastewater is mainly originated from crude oil production, oil refinery, petrochemical industry, lubricant and car washing. The purpose of this study was to investigate the effect of lubricant oil concentration normally used in a gas station on the performance of SBR. The experiment was performed by varying concentration of lubricant oil from 50 to500 mg/L in SBR with HRT 24 hrs. The results indicated that the effective removal of COD was in the range of 84-87%. The oil removal efficiency was found to be in the range of 51-82%. Considering, effluent of SBR system at HRT 24 hours with the Readily biodegradable, the value percentage increase of 62.00%, 57.79%, 60.54%, 54.53%, 41.79% and 36.03%, respectively, and Slowly biodegradable hydrolysis into Readily biodegradable was to increases.

Index Terms—Oily wastewater, COD fractionations, sequencing batch reactor (SBR).

The authors are with School of Environmental Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand (e-mail: boonchai@sut.ac.th, w_watcharapol@hotmail.com).

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Cite: Boonchai Wichitsathian and Watcharapol Wonglertarak, "Evaluation of Efficiency and Biodegradability of Lubricant Oil Treated by Sequencing Batch Reactor (SBR)," International Journal of Environmental Science and Development vol. 9, no. 8, pp. 204-207, 2018.

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