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Caterers Project


Under the banner of Technology Deployment for Sustainable Urban Development (TD4SUD), this is a project with the focus on informal caterers in townships who burn wood treated with Copper, Chromium and Arsenic (CCA) for cooking purposes. This cooking tends to happen in densely populated area, such as transport interchanges making the exposure risk high and prevalent. The aims are primarily to quantify the CCA emissions and then to deploy and implement an integrative technology which would reduce the emissions. To date, surveys and preliminary testing have proposed super-efficient woodstoves as the technology of choice. Testing has been done on a selection of them and roll-out of the technology is planned for December 2010. Students and Staff Involved

Students and Staff Involved

Linus Naik, Rissa Niyobuhungiro, Gasen Naidoo

Project Partners

The project consortium consists of a multitude of research groups from UCT, namely the Environmental and Process Systems Engineering Research Group, the Centre for Transport the Environmental Policy Research Unit, the Centre for Environmental and Occupational Health, The Energy Research Center and is driven by the students chapter of Engineers without Borders (UCT) with input from Jakupa architects & urban planners and the City of Cape Town.

Main Lessons Learnt

So far, we can ascertain that the main use of treated wood is not for braai'ing, but rather for the cooking of boiled foods. the essential things to capture are 1. the fire 2. the treated wood 3. the smoke 4. the informality of the situation

Follow Up Work

EwB will have decided on which efficient stove is best suited for the purpose and have a campaign roll-out in late 2010. A literature review about the toxicity of smoke from CCA treated wood is being completed and tests are currently underway on the levels of CCA in treated wood.