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Turning Trash Into Fuel
September 16, 2009

Plastic soda bottles, Big Gulp cups and empty sour cream containers get fed into the top of the three-story machine. About 10 minutes later, out the other side comes a light-brown synthetic oil that can be converted into fuel for a truck or a jet airplane.

Written by Mike Musgrove, The Washington Post

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Envion is demonstrating its plastics-to-oil technology at the waste center in Montgomery County. (Photos By Katherine Frey -- The Washington Post)

Plastic soda bottles, Big Gulp cups and empty sour cream containers get fed into the top of the three-story machine. About 10 minutes later, out the other side comes a light-brown synthetic oil that can be converted into fuel for a truck or a jet airplane.

The Envion Oil Generator, scheduled for an official unveiling at Montgomery County's Solid Waste Transfer Station on Wednesday, represents a local company's decade-long effort to fight rising fuel costs and help protect the environment. As part of a pilot program, the company recently assembled the first of its fuel-producing generators at the Derwood waste facility.

"We're creating immediate answers to today's environmental concerns," said Michael Han, the firm's chairman and chief executive, as he showed off the generator on Tuesday. "This is an answer to environmentalists who don't want a landfill in their back yard."

The District company's technology works by melting plastic in an oxygen-free environment to separate the hydrocarbons destined for the oil barrel from the additives used to make that Big Gulp cup. The additives are rendered into a nonhazardous ash byproduct, the company says. While other firms have developed ways to convert waste plastic into oil, Han said, Envion uses a "far-infrared ray" technology that yields more fuel than competitors' processes.

Environmental experts didn't immediately know what to make of the company's claims. A research director with the environmental organization Greenpeace said that he hadn't heard of this particular technology but that his instinct was to remain skeptical.

"There are so many schemes like this," said Kert Davies, citing plans he's heard that would make sustainable fuel out of everything ranging from turkey carcasses to carbon dioxide. "I get calls every other day from someone who has some invention that magically makes the world whole."

Envion said its new generator can consume any type of plastic and convert it into synthetic oil; depending on the type of plastic, one ton can be converted into three to six barrels of fuel. Envion said it costs about $10 to convert the plastic waste into a barrel's worth of synthetic oil; currently, crude oil sells for close to $70 a barrel.

 

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