Cogeneration is nothing new to the clean-water industry, but in southern California, the Orange County Sanitation District has taken it one step farther, hosting a trigeneration demonstration project: a facility that turns biogas it into hydrogen, electricity and heat.With the cooperation of the National Fuel Cell Research Center at the University of California Irvine, the $8 million research project at the 103 mgd Fountain Valley Wastewater Treatment Plant began in September 2010, testing the use of a fuel cell to tap the energy potential of biogas.The National Fuel Cell Research Center collaborated with technology developers Air Products and FuelCell Energy
