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Title: Application of aspergillus awamori grown on citrus peel supplemented growth medium for cyanide bioremediation
Authors: Doughari, James Hamuel 
Santos, Bruno Alexandre Quistorp 
Ntwampe, Seteno Karabo Obed 
Keywords: Cyanide;Aspergillus awamori;Bioremediation;Catalysis;Citrus peel
Issue Date: 2016
Publisher: Nigerian Journal of Microbiology
Source: Doughari, J.H., Santos, B.A.Q. & Ntwampe, S.K.O., 2016. Application of Aspergillus awamori grown on Citrus Peel supplemented growth medium for Cyanide Bioremediation. Nigerian Journal of Microbiology, 30(1): 3221-3224
Abstract: Solid waste and wastewater effluents emanating from many industries contain free cyanide. The environmental risk of this compound stems from its emission as component of the hydrocyanic gas, which is toxic. Cyanide and its complexes have been shown to have bioaccumulative properties which in turn result in ecological deterioration with both human and animal health implications. In this study, bioremediation of cyanide by A. awamoriisolates was carried using Citrus peel (CP) supplemented growth medium, refined pectin (RP) and Czapek Yeast Agar (CYA) with water as control in shake flask cultures (180 rpm) at 30 °C for 48 h. A. awamorifrom the various media demonstrated cyanide bioremediation potential with the CP medium showing considerably higher cyanide reduction. The presence of quantifiable NH3/NH+ in the media solutions during the biodegradation was indicative of cyanide reduction. Use of CP adjunct-grown A. awamorito bioremediate cyanide contaminated wastewaters is an alternative environmentally friendly catalytic process for cleaning up the environment and improving water quality.
Appears in Collections:BioERG - Journal articles (DHET subsidised)

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