High performance degradation of azo dye Acid Orange 7 and sulfanilic acid in a laboratory scale reactor after seeding with cultured bacterial strains

Water Research
Michael F CoughlinPaul L Bishop

Abstract

Bacterial strains 1CX and SAD4i--previously isolated from the mixed liquor of a municipal sewage treatment plant--are capable of degrading the azo dye Acid Orange 7 (AO7) and sulfanilic acid, respectively. A rotating drum bioreactor (RDBR), operating under continuous flow and nutrient conditions designed to simulate the effluent from a dye manufacturing plant, was seeded with strains 1CX and SAD4i, forming a biofilm capable of degrading AO7 and sulfanilic acid. In addition, an RDBR containing a pre-existing biofilm capable of degrading AO7, but not sulfanilic acid, was seeded with strain SAD4i alone. Strain SAD4i was incorporated into the existing biofilm and degraded the sulfanilic acid resulting from the degradation of AO7 by indigenous members of the biofilm. The ability to seed a bioreactor with bacterial strains capable of degrading azo dyes, and resulting by-products, in a mixed microbial community suggests that this process could have commercial applications.

References

Mar 10, 2000·Applied Microbiology and Biotechnology·C O'NeillS Wilcox
Jan 25, 2002·Chemosphere·Michael F CoughlinPaul L Bishop

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Citations

Apr 25, 2009·Journal of Industrial Microbiology & Biotechnology·Bella Devassy TonySunil Khanna
Feb 18, 2006·Biodegradation·Poonam SinghRamanathan Gurunath
Apr 7, 2004·Applied and Environmental Microbiology·Patrícia A RamalhoM Teresa Ramalho
Dec 7, 2013·Journal of Environmental Management·Weeranuch LangAtsuo Kimura
Mar 1, 2012·Chemosphere·Abdellatif El-GhenymyEnric Brillas
Sep 11, 2007·Journal of Hazardous Materials·Eltaief KhelifiMoktar Hamdi
Apr 26, 2006·Water Research·L C DaviesS Martins-Dias
Jan 3, 2006·Water Research·Igor PeternelHrvoje Kusic
May 10, 2005·Water Research·Frank P van der Zee, Santiago Villaverde
Jun 19, 2012·Bioresource Technology·Waheeba Ahmed Al-AmraniWan Saime Wan Ngah
Mar 24, 2006·Water Environment Research : a Research Publication of the Water Environment Federation·Jennie Perey SaxeDaniel K Cha
Apr 1, 2011·Water Environment Research : a Research Publication of the Water Environment Federation·Marco A Garzóón-ZúñgaGabriela E Moeller-Chávez

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