4 ms·
No need to experiment, this is already done commercially on a massive scale. "Stockholm Vatten's sewage treatment works produce 4.1 million m³ of biogas annual
by fastbeef 7y ago
No need to experiment, this is already done commercially on a massive scale.
"Stockholm Vatten's sewage treatment works produce 4.1 million m³ of biogas annually, but have the capacity to double this amount." [1]
[1] http://www.stockholmvattenochavfall.se/en/water-and-wastewater/wastewater/waste-products/ http://www.stockholmvattenochavfall.se/en/water-and-wastewat...