Biogas: It’s not a waste of energy.
Tags: alternative energy, biogas, Ghana, landfill gas, methane, waste management
While some cities are staring to get savvy with organic waste management in municipal composting programs, rarely do you see an integrated approach to sewage or other…less desirable…animal byproducts that creates energy. Biogas is a time-tested technology for the anaerobic processing organic waste to create two very valuable byproducts: methane gas (energy) and nutrient rich sludge (fertilizer). The energy can be piped and used in stoves, heating systems, refrigerators – basically anything that runs from gas (including machines like generators that produce electricity).
Some clever communities, like Bern, Germany, are even compressing the gas and using it as fuel for buses. Although Vancouver’s Olympic Village does deserve credit for passively extracting heat from sewages for … Continue Reading

