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In a push to produce more of its own ene

In a push to produce more of its own energy, a wastewater treatment plant in Gresham, Ore., is turning to an unlikely source to generate power: the gray-white grease-filled wastewater that flows out of restaurants and other places where food is prepared.

Gresham’s plant, which serves about 120,000 people in three cities east of Portland, has been making use of the digesters’ gas byproduct since 1990. That generates all of the heat for the plant’s buildings and about half of the electricity that the facility needs each year, said Alan Johnston, a senior engineer for the city of Gresham who oversees the treatment plant.

In January 2010, the city installed an array of solar panels that currently supply about 450,000 kilowatts hours annually, or about 8 percent of the power that the plant needs each year, he said.

Now the Gresham plant is ready to feed greasy wastewater brought in from restaurants all over the Pacific Northwest by three hauling companies to its digesters, Mr. Johnston said. He expects that adding the energy-rich restaurant wastewater to the mix — a common culprit for backed-up sewers — will increase the amount of gas that the digesters release by 40 percent.


About MatchaGT by ShelleRae

Welcome! I am ShelleRae and I am very excited you are here. I joined the Smoothie Essentials team about 5 years ago now. Always health conscious and into prevention versus medication it seemed natural when the opportunity came up to take on the creation of this blog and the Smoothie Essentials blog as well. As mother to three and surrogate to many more I've practiced much of what I write on sometimes with great success and other times with a bit less. My friends and family are my test kitchen and my facts are most often from WebMD - they seem to have a fairly accurate and conservative approach. MatchaGT – the super premium Matcha Green Tea Introducing Matcha GT, the super premium Matcha Green Tea. Matcha GT is nature’s natural source of energy and antioxidants. Used for centuries in Japanese tea ceremonies, Matcha provides a powerful pick-me-up plus antioxidants and other health benefits to keep the body, mind and spirit in perfect balance. While many forms of green tea are strained or brewed, Matcha GT uses the whole tea leaf providing the full benefits and bold taste of whole green tea powder. My inspiration comes from others who also are striving to live a better life through lifestyle changes. More information is available at or by emailing Benefits: Natural Caffeine – longer lasting energy Antioxidants – to fight cancer causing free radicals Chlorophyll – powerful blood cleanse Coffee concepts and juice bars across North America including Starbucks, Jamba Juice, Coffee Bean & Tea Leaf, Smoothie King, and Booster Juice have recently started selling Matcha Green Tea smoothies, frappes, and lattes, promoting the great taste and health benefits of green tea.

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