The Denver City Zoo has pushed ahead with development of a $3.3 million City Park plant to convert elephant dung and other waste to power, the Denver Post reported. Crews have installed hoppers, shredders, pallet-making machines, and the gasifier, which measures six feet in height. Waste processing would be accomplished in the gasification chamber at temperatures of about 1,470 degrees. The facility is designed to cut reliance on coal-fired electricity by using waste to light building, melt snow, and warm a pool. The Colorado Department of Public Health and Environment has granted a construction permit which sets limits for plant air emission covering particulate, sulfur dioxide, dioxins, cadmium, and carbon monoxide. Once tested the facility would receive a full permit.
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