Reuse of Water in Typical Indian Oil Refinery

Basu, Shreejita; Chahar, Bhagu R.

doi:10.1061/9780784412947.276

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“…Petroleum refineries use large quantities of water for stripping steam, cooling, and desalting processes, and they generate large volumes of wastewater . Petroleum refinery wastewaters could contain a variety of biodegradable, inhibitory, and toxic organic and inorganic pollutants .…”

Section: Introductionmentioning

confidence: 99%

Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

2015

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The treatment of a petroleum refinery wastewater is studied using a bench scale UV/H 2 O 2 photoreactor in batch mode. The average initial total organic carbon (TOC) concentration is 42 mg/L. Moreover, the initial H 2 O 2 concentrations are 345, 690, and 1023 mg/L for initial H 2 O 2 /TOC molar ratios of 2.9, 5.8, and 8.6, respectively. The results reveal that the highest treatment efficiency of 78.38 % for the removal of TOC from the refinery wastewater using the bench scale UV/H 2 O 2 photoreactor occurs at the reaction time of 45 min and a pH of 5.0. A three-factor analysis of variance (ANOVA) is used to verify the statistical significance of the initial H 2 O 2 /TOC molar ratio, reaction time, and pH on the bench scale UV/H 2 O 2 photoreactor. Furthermore, the respirometry analysis shows that the pretreated refinery wastewater by the UV/H 2 O 2 process is inhibitory on activated sludge (AS) microorganisms. Thus, the UV/H 2 O 2 process is found to be currently not suitable as a pretreatment process for refinery wastewater treatment at these operational conditions.

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Section: Introductionmentioning

confidence: 99%

Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

2015

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Reuse of Water in Typical Indian Oil Refinery

Cited by 1 publication

References 2 publications

Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

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Reuse of Water in Typical Indian Oil Refinery

Cited by 1 publication

References 2 publications

Assessing the performance of uv/H2O2 as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

Assessing the performance of uv/H2O2 as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

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Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge

Assessing the performance of uv/H₂O₂ as a pretreatment process in TOC removal of an actual petroleum refinery wastewater and its inhibitory effects on activated sludge