Importance

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Abstract

A system is disclosed in which municipal mixed solid waste is delivered to a processing facility where it is compacted before being placed into a reactor. The compaction apparatus serves to remove most of the air and some of the water from the waste as well as to seal the reactor against air infiltration. A transfer apparatus, in response to a signal relating to the height of waste in the reactor, sequentially deposits blocks of compacted waste in the top of the reactor when the height is low. The reactor has a pivotally and extensively mounted plasma arc torch as a heat source which is effective to pyrolyze organic waste components to generate desired by-product gases. Air and steam are added in controlled quantities to improve the operational efficiency and the by-product gas composition. The residual materials which do not pyrolyze are melted and cooled into a substantially inert vitrified mass.

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First Claim