Bioaugmented membrane bioreactor (MBR) with a GAC-packed zone for high rate textile wastewater treatment.
作者： Faisal Ibney Hai , Kazuo Yamamoto , Fumiyuki Nakajima , Kensuke Fukushi
DOI: 10.1016/J.WATRES.2011.01.013
关键词:
摘要: Abstract The long-term performance of a bioaugmented membrane bioreactor (MBR) containing GAC-packed anaerobic zone for treatment textile wastewater structurally different azo dyes was observed. A unique feeding strategy, consistent with the mode evolution separate waste streams in plants, adopted to make best use GAC-zone dye removal. Dye introduced through while rest colorless media simultaneously fed aerobic zone. Preliminary experiments confirmed importance coupling GAC-amended MBR and also evidenced efficacy strategy. Following this, robustness process under gradually increasing dye-loading tested. respective average concentrations (mg/L) sample from membrane-permeate dye-loadings 0.1 1 g/L.d were as follows: (3, 105), permeate (0, 5). TOC concentration aforementioned loadings 3 and 54 mg/L, respectively. Stable decoloration along significant removal during period over 7 months extremely high demonstrated superiority proposed hybrid process.
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