Plant Tissue Cult. & Biotech. 32(2): 115-125, 2022 (December)

General

Dye Decolorization and Organic Compounds Removal of Synthetic Textile Effluent (STE) by Anaerobic-aerobic Magnetic Activated Sludge (A₂-MAS) Reactor

Mihir Lal Saha¹, Masato Oda and Yasuzo Sakai^*

Department of Applied Chemistry, Graduate School of Engineering, Utsunomiya University, Utsunomiya-321-8585, Japan

Key words: A₂-MAS reactor, Anaerobic-aerobic, Textile effluent, OII, RBBR, Decolorization, Magnetic separation, Zero emission sludge

Abastract

The developed anaerobic-aerobic magnetic activated sludge (A₂-MAS) reactor was found to be suitable for the textile effluent management. An azo dye (Orange II) and an anthraquinone dye (Remazol brilliant blue R) were used in the synthetic effluent (STE) for dye decolorization. The A₂-MAS reactor consisted of an anaerobic tank (8.0 L) sequenced with an aerobic tank (4.0 L) for simultaneous dye decolorization and organic compounds removal. The anaerobic tank was operated at 35

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