EP causes the complete breakdown of feedstock materials through the application of high-temperature steam in an indirectly heated rotary kiln. Municipal Solid Waste is one of many complex carbon-based feedstocks that EP can use (also sewage sludge, wood and paper waste, agricultural waste and various industrial materials, containing carbon).
The main by-product of the EP is vitrified inert gravel, free of carbon char, ideal for use in asphalt and cement manufacturing. Small quantities of relatively harmless contaminants in the syngas stream are efficiently scrubbed using conventional technologies. Once cleaned, the syngas is available for energy and commodity production.