One source of energy that has been around for a long time is the methane gas generated by the wastewater treatment process. Twenty years ago some WWTP’s explored the idea of cogeneration to offset their high energy costs. At the time, the cost of converting the methane gas to energy was more expensive than buying it off the grid. Now that has all changed.
As the United States moves toward energy independence, it has been exciting to see the many new sources of energy that are available to this country. On the renewable energy side of the equation, there are hundreds of projects in the wind, solar, hydro, geothermal, tidal, and biofuels sectors. Many of these are good sources of renewable energy, although currently some are either not practical or readily available.
One source of energy that has been around for a long time is the methane gas generated by the wastewater treatment process. Twenty years ago some WWTP’s explored the idea of cogeneration to offset their high energy costs. At the time, the cost of converting the methane gas to energy was more expensive than buying it off the grid. Now that has all changed.
Private and public wastewater treatment and landfill facilities have jumped on board this cogeneration movement in order to…
View original post 265 more words