Treatment technology for brewery wastewater in a water-scarce country: A review

Type: 
Review Article
Number of pages: 
8
DOI: 
http://dx.doi.org/10.17159/sajs.2016/20150069
Published: 
30 March 2016

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Abstract: 

Water is a scarce resource in many parts of the world; consequently the application of innovative strategies to treat wastewater for reuse is a priority. The brewery industry is one of the largest industrial users of water, but its effluent is characterised by high levels of organic contaminants which require remediation before reuse. Various conventional treatment methods such as anaerobic and aerobic systems, which are effective options because of their high removal efficiencies, are discussed in this study. Other methods such as membrane based technologies, carbon nanotubes, activated carbon, electrochemical methods, algal ponds and constructed wetlands are also analysed. Their efficiency as well as advantages and disadvantages are highlighted and evaluated. Combinations of various treatment processes to improve the quality of the final effluent are discussed.

Keywords: 

brewery effluent; anaerobic treatment; aerobic treatment; membrane technology; activated carbon
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