Putting waste to work - biogas to energy
The City of Johannesburg's water management company, Johannesburg Water (JW), has proven the business case for alternative energy solutions with the commissioning of a second municipal wastewater biogas-to-energy plant in Diepsloot. At the plant, more than 405ML of sewage is treated per day and it has been in full operation since August 2012.
JW since commissioned a second biogas-to-energy project at its Driefontein waste water treatment works (WWTW) with operations expected to commence in October 2016.
Biogas-to-energy technology has the potential to reduce a WWTW’s reliance on conventional energy, but for some municipal plants, opportunities may be secondary to water treatment challenges, including sludge quality and plant management.
Read the full article on www.earthworksmagazine.co.za.