INTERWASTE PTY LTD

Looking to the future: Innovative solutions for managing wastes with high energy content

South Africa is rapidly running out of landfill airspace, and the granting of new licenses specifically for the landfilling of waste remains a challenge. The South African Department of Environmental Affairs (DEA) has acknowledged that certain waste types can be recovered and reused through the notion of converting waste to energy. This has led to the formulation of regulations to divert waste from landfill by prohibiting or restricting certain waste types from landfill disposal. Included in these wastes are liquids and waste with significant calorific value. These landfill restrictions have been in effect from 2013 and have become more stringent with each passing year, where from August 2019, all liquids will be banned from landfill. In addition, the disposal to landfill of hazardous waste with calorific values greater than 25MJ/kg has been prohibited since August 2017. These restrictions mean that managers and generators of waste will be obligated to find alternative and innovative approaches to dispose of these waste types.

1 Introduction

On 23.08.2013, DEA promulgated regulations for the management of general and hazardous waste. These regulations comprise of a number of prohibitions and restrictions on the disposal of waste to landfill which would take effect in a progressive manner over time. For example, waste with calorific values greater than 25 MJ/kg has been banned from landfill since August 2017. This will be followed by the ban of waste with calorific values greater than 20 MJ/kg which will take effect on 23.08.2019. The entire ban process is expected to be completed in 2025 with the prohibition of waste...

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