Treatment of an industrial wastewater containing acrylic acid and formaldehyde in an anaerobic membrane bioreactor

Bhattacharyya, D and Allison, M J and Webb, J R and Zanatta, G M and Singh, K S and Grant, S R (2013) Treatment of an industrial wastewater containing acrylic acid and formaldehyde in an anaerobic membrane bioreactor. Journal of Hazardous, Toxic, and Radioactive Waste, 17 (1). pp. 74-79. ISSN 2153-5493

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Abstract

A simulated high-strength [chemical oxygen demand (COD) ~85; 000 mg=L] wastewater containing primarily acrylic acid, acetic acid, and formaldehyde was treated in an anaerobic membrane bioreactor. The reactor consisted of a 25 L complete-mix tank fitted with three Kubota flat-panel membrane cartridges. The reactor was operated at an organic loading rate of 3.4 kgCOD=m3-day. More than 99% removal of COD and formaldehyde was achieved. Acrylic acid concentration in the effluent stream was below the detection limit. This preliminary study, which lasted for 45 days, showed the potential of application of anaerobic membrane bioreactors in treatment of high-strength wastewaters containing toxic substances like acrylic acid and formaldehyde

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