On Jan. 5, Metro selected Waste Management, the nation’s largest garbage company, to build a facility that will work in tandem with the Portland Bureau of Environmental Services, which operates the city’s sewage treatment plant.
Waste Management, based in Houston, has developed a technology that uses food scraps to boost the energy created by converting municipal sewage into biogas.
Waste Management will do pre-processing of the food scraps by turning it into a bio-slurry, at the former Wastech facility at 701 N. Hunt St., just east of Interstate 5 and north of Columbia Blvd., said Ken Ray, Metro’s spokesman for solid waste matters. That slurry will then get trucked to the city’s Columbia Boulevard Wastewaster Treatment Plant at 5001 N. Columbia Blvd.
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