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Case Studies
August 2020
Dirty Material Recovery Facility

Dirty Material Recovery Facility

07 Aug, 2020 | View Counts (26)
According to the Knowledge Product (KP) studies commissioned by the Department of Environmental Affairs (DEA), a dirty material recycling facility (dMRF) involves segregating valuable materials from a mixed ‘dirty’ waste stream rather than separating the components of a segregated ‘clean’ waste stream. A dMRF may accept mixed solid waste, mixed commercial waste or construction and demolition waste. Target materials for a dMRF will usually include aluminium and steel, and ...
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Clean Material Recovery Facility

Clean Material Recovery Facility

07 Aug, 2020 | View Counts (22)
According to the Knowledge Product (KP) studies commissioned by the Department of Environmental Affairs (DEA), a clean material recovery facility (cMRF) is suitable for the processing of dry, mixed recyclables that have been segregated from the general waste stream. The recyclables can be sourced from a number of suitable collections, namely a domestic household recycling collection, a commercial dry recycling collection or recycling collected by authorities at transfer sites /civic amenity site...
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Anaerobic Digestion

Anaerobic Digestion

07 Aug, 2020 | View Counts (40)
According to the Knowledge Product (KP) studies commissioned by the Department of Environmental Affairs (DEA), anaerobic digestion (AD) of organic waste is the biological degradation of biodegradable wastes by anaerobic microbes under controlled conditions in the absence of oxygen. This produces gas that is mainly composed of methane (CH4) and carbon dioxide (CO2), otherwise known as biogas. Use was made of the manual provided by GreenCape and approved by the Western Cape Department of Economic ...
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