Low Emission Biogas Also Produces Fertilizer

Low Emission Biogas Also Produces Fertilizer

A Canadian chemical engineer has devised a product that transforms the waste generated by biogas production into fertilizer. Andrew White says his SulfaCHAR system eliminates chemical waste from the biogas process, while increasing renewable gas plants’ profitability...
The CleanTech Burn

The CleanTech Burn

Someday soon, the world may be powered by landfill waste and animal manure. No, seriously. According to the U.S. Department of Energy, landfill waste accounts for the third largest source of methane. But biogas isn’t without its complications. A chemical known as...