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Does plasma waste disposal even really work?

This from Wikipedia: It is unclear that these [waste disposal fired by plasma arcs] plants actually work. There is a history of dishonesty regarding plasma arc technology, specifically in proposals in Sierra Vista, SV and Cochise County, AZ.

Dioxin emissions are possible from plasma arcs when chlorine is present.

In 2004, the city of Honolulu considered a plasma arc/torch proposal for processing municipal solid waste. The city's Department of Environmental Services evaluated the plasma process and found that using plasma arc/torch technology would significantly boost waste disposal costs without offering any environmental advantages to justify the cost.

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