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Waste Management & Research
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What's this?

Unlocking the resource potential of organic waste: a South African perspective

Harma A. Greben

CSIR - Natural Resources and the Environment, Pretoria, South Africa, hgreben{at}csir.co

Suzan H. H. Oelofse

CSIR - Natural Resources and the Environment, Pretoria, South Africa

In many countries, especially on the Asian continent, waste is considered a valuable renewable energy resource. At present 40% of waste generated in South Africa comprises organic material which, when digested supplies biogas. The biogas produced can either be used as it is, or it can be delivered as electricity using gas turbines. The electricity generated can be added to the national grid. In light of the increased demand for energy in South Africa, alternative sources of energy are required. When taking the examples of the Asian countries, where anaerobic digestion of waste is applied in rural areas to produce energy for cooking and lighting, it can be hypothesized that this technology could be transferred especially to the rural areas of South Africa. Small-scale anaerobic digestion is presently being implemented by a private company in Ivory Park, South Africa, illustrating that anaerobic digestion in South Africa may be a means of unlocking the energy potential of organic waste. This paper evaluates the requirements for an enabling governance environment to unlock the full potential of organic waste as renewable energy resource.

Key Words: Anaerobic digestion • biogas • renewable energy • organic waste

This version was published on October 1, 2009

Waste Management & Research, Vol. 27, No. 7, 676-684 (2009)
DOI: 10.1177/0734242X09103817
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