Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/3432
Title: Biodegradation of cyanide and subsequent nitrification-aerobic denitrification in cyanide containing watewater
Authors: Mekuto, Lukhanyo
Keywords: Industrial wastes -- Water pollution engineering;Bacterial pollution of water -- South Africa;Sewage -- Purification;Pollutants;Cyanide wastes;Cyanides;Biodegradation;Bioremediation;Bacillus;Nitrification;Wastewater treatment -- South Africa
Issue Date: 2014
Publisher: Cape Peninsula University of Technology
Abstract: Environmental legislation focusing on wastewater disposal in industries that utilise cyanide and/or cyanide-related compounds has become increasingly stringent worldwide, with many companies that utilise cyanide products required to abide by the Cyanide International Code associated with the approval of process certifications and management of industries which utilise cyanide. This code enforces the treatment or recycling of cyanide-contaminated wastewater. Industries such as those involved in mineral processing, photo finishing, metal plating, coal processing, synthetic fibre production, and extraction of precious metals, that is, gold and silver, contribute significantly to cyanide contamination in the environment through wastewater. As fresh water reserves throughout the world are low, cyanide contamination in water reserves threatens not only the economy, but also endangers the lives of living organisms that feed from these sources, including humans. In the mining industry, dilute cyanide solutions are utilised for the recovery of base (e.g. Cu, Zn, Ni, etc.) and precious metals (e.g. Au, Ag, etc.)......
URI: http://hdl.handle.net/11189/3432
Appears in Collections:Eng - Research Data
Bioresource Engineering Research Group (BioERG)
Prof. Seteno Karabo Ntwampe
BioERG - Research Data

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