期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 45, 期 6, 页码 1017-1026出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202100496
关键词
Refinery wastewater treatment; Rhodococcus opacus; Submerged tubular membrane bioreactors; Toxicity assessment; Tubular ceramic membranes
资金
- Department of Science and Technology, India [DST/TM/WTI/2K16/11 (G)]
This study utilized a novel submerged tubular ceramic membrane bioreactor (STMBR) with the bacterium Rhodococcus opacus for refinery wastewater treatment. The STMBR achieved a high COD removal efficiency and biomass growth under optimal conditions.
Refinery wastewater treatment was performed using a novel submerged tubular ceramic membrane bioreactor (STMBR) with the oleaginous hydrocarbonoclastic bacterium Rhodococcus opacus. A membrane-based flux study with the STMBR was carried out to assess the performance of the tubular ceramic membrane. Continuous experiments with the STMBR achieved a maximum chemical oxygen demand (COD) removal of 84 %, with an average flux of 0.4 x 10(-3) m(3)m(-2)s(-1). To further enhance the COD removal efficiency, two STMBR were operated under the optimum conditions. Complete COD removal along with 2.98 g L-1 biomass growth was achieved during two-stage STMBR operation. Furthermore, a toxicity assessment of the permeate water established its reuse potential.
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