Bioremoval of Heavy Metals from aNigerian Brewery Wastewater by Bacterial Application
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Creator Avemaria Obasi and Ogochukwu Agwu
Title Bioremoval of Heavy Metals from aNigerian Brewery Wastewater by Bacterial Application
Publisher Faculty of Agro-Industry
Publication Year 2560
Journal Title Food and Applied Bioscience
Journal Vol. 5
Journal No. 3
Page no. 165-175
Keyword heavy metal, bacteria, brewery wastewater
URL Website www.tci-thaijo.org/index.php/fabjournal
Website title www.tci-thaijo.org/index.php/fabjournal/article/view/86648
ISSN 2286-8615
Abstract The high demand for brewery products, as well as the technological advancement in this regard, has further accelerated the growth of these industries; and the waste generated is one of the major sources of industrial waste hazards. In this study, the effect of bacterial treatment on the heavy metal concentrations intreated and untreated wastewaters from a brewery industrylocated in Lagos, Nigeria was analysed.The two bacterial isolates Klebsiella pneumoniaeand Pseudomonas aeruginosawere selected after painstaking isolation and purification of numerous bacterial isolates from the wastewaters using standard methods.The bacteria isolates were used individually and in combination to assay heavy metal removal in the wastewater samplesduring 14 days culture.The organisms grew luxuriantly, and completely removed Copper and Lead while the concentration of Zinc, Manganese andIron reduced by between 57%and 97% for all the treatments. The study confirmed that bacteria can be applied in the removal of priority pollutants such as heavy metals from brewery wastewaters. It furtherdemonstrates that wastewater indigenous organisms can actually perform this remediation activity if given the opportunity. This will serve as a low-cost form of wastewater treatment strategy which will tremendously reduce the concentration of the toxic heavy metals introduced into the environment and prevent bio-accumulation of these pollutants.
Chiang Mai University

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