Clean, green and slimy – that’s energy on the bubble for SA

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Clean, green and slimy – that’s energy on the bubble for SA

New Institute for Water and Wastewater Technology has all the 'toys' to tackle SA's water security crisis

Lwandile Bhengu

The Institute for Water and Wastewater Technology, at the Durban University of Technology, is taking clean, green energy to the next level by turning algae used in wastewater treatment into biodiesel.

“We are growing certain types of algae in wastewater and what it does is clean the wastewater and at the same time the algae produces oil which we convert into biodiesel,” said the institute’s director, Prof Faizel Bux.

The research, which is in partnership with the Japan International Cooperation Agency and four other universities in Japan, has been in the pipeline for nearly 10 years. It has passed the lab stages and is now in the next stage as a 300,000-litre pond at a wastewater treatment plant...

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