Sustainability of composting as an alternative waste management option for developing countries: A case study of the City of Tshwane (original) (raw)

Waste Management & Research, 2011

Abstract

Excessive MSW production is a growing management problem for cities in developing countries, such as South Africa. This study addresses these challenges with particular focus on the City of Tshwane. A major problem in Tshwane is that all the MSW generated in the city, including garden waste, is currently being landfilled. A waste stream analysis of Tshwane reveals the largest fraction of MSW is organic and biodegradable, and therefore suitable for compost production. The study proposes that Tshwane will have to address composting the biodegradable fraction of the MSW stream. This study attempts to understand the economics of composting practices in Tshwane, whether composting in Tshwane is financially viable. A comparative study, applying the dome aeration technology on a conventional static windrow, was conducted with the objective of investigating and proposing alternative improved composting technologies for green waste. Although the study focused on Tshwane, it can be argued that the findings could be implemented in any other South African municipality, and even implemented in other emerging countries.

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