Reuse Potential of Refinery Wastewater Treated Using a Two-Stage Submerged Membrane Bioreactor

被引:4
|
作者
Paul, Tanushree [1 ]
Janakiraman, Iyyappan [1 ]
Manikandan, N. Arul [3 ]
Pakshirajan, Kannan [1 ,2 ]
Pugazhenthi, Gopal [1 ,3 ]
Girisa, Sosmitha [2 ]
Kunnumakkara, Ajaikumar B. [2 ]
机构
[1] Indian Inst Technol Guwahati, Ctr Environm, Gauhati 781039, Assam, India
[2] Indian Inst Technol Guwahati, Dept Biosci & Bioengn, Gauhati 781039, Assam, India
[3] Indian Inst Technol Guwahati, Dept Chem Engn, Gauhati 781039, Assam, India
关键词
Refinery wastewater treatment; Rhodococcus opacus; Submerged tubular membrane bioreactors; Toxicity assessment; Tubular ceramic membranes; TUBULAR CERAMIC MEMBRANE; BIO-OIL PRODUCTION; BRINE SHRIMP; PERFORMANCE; MICROFILTRATION; ULTRAFILTRATION; CYTOTOXICITY; ELABORATION; EFFLUENTS; MECHANISM;
D O I
10.1002/ceat.202100496
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
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.
引用
收藏
页码:1017 / 1026
页数:10
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