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NATSURV 5: Water and Wastewater Management in the Sorghum Brewing Industry - (EDITION 2)
Expanded Title:The traditional sorghum beer industry is a beverage industry, and water, sorghum, and energy are essential for its operation. This NATSURV outlines industrial operations, the degree to which resources are managed using a set of indicators per unit of production (e.g. specific water intake), best practices adopted or currently under implementation, and finally, provides recommendations that can improve resource utilisation. A key feature on the changes in this industry since the 1st edition (1989) is its decline, both in number of breweries and volume of beer produced per annum. The annual beer production has decreased about five-fold as the number of breweries and malting plants declined from 33 and 5 in 1989 to 4 and 1 in 2016, respectively. The average specific water intake and specific effluent volume per unit product have increased, possibly due to closure of bigger plants where the larger production volumes are accompanied by lower per unit water consumption due to the economies of scale. The COD, TDS and SS values for the wastewaters showed a reduction compared to 1989. Both the annual water usage and effluent generated (total volumes) have decreased. Overall, with the on-going process of improving the sorghum beer industry through modernization (e.g. automation of certain processes) and incorporation of best practices such as using cleaning-in-place (CIP), and adoption of stringent accounting systems for process resources, it is likely that the performance of water, energy and waste in this industry will improve considerably.
Date Published:01/01/2017
Document Type:Research Report
Document Subjects:Wastewater Management - Industrial, Wastewater Management - Sewers
Document Keywords:Pollution control
Document Format:Report
Document File Type:pdf
Research Report Type:Technical
WRC Report No:TT 692/16
ISBN No:978-1-4312-0857-9
Authors:Musee N
Project No:K5/2384
Originator:WRC
Organizations:University of Pretoria, Department of Plant Production and Soil Science
Document Size:695 KB
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