METHOD FOR PROCESSING SOLID DOMESTIC AND INDUSTRIAL WASTE Russian patent published in 1998 - IPC

FIELD: waste processing technology. SUBSTANCE: this relates to overall processing of solid domestic and industrial waste. According to method, waste is prepared, charged into shaft furnace, fuel and air are supplied to furnace, and discharged from furnace are producer gas, liquid slag, and liquid metal. Processing of waste is carried out with additional introduction into furnace of limestone, low-grade solid fuel, and fusing agents. Prior to thermal treatment in furnace, waste is compacted, cut, and then charged into furnace layer by layer with aforesaid components. Created in furnace top is excess pressure of gas. Processing results in producing commercial products such as combustible gas, cast iron, and slag of preset composition which can be used for making high-quality construction materials. No rejects are left. EFFECT: high efficiency. 5 cl, 1 dwg