The process and system of the invention converts carbonaceous feedstock such as coal, hydrocarbon oil, natural gas, petroleum coke, oil shale, carbonaceous-containing waste oil, carbonaceous-containing medical waste, carbonaceous-containing military waste, carbonaceous-containing industrial waste, carbonaceous-containing...http://www.google.ca/patents/US7220502?utm_source=gb-gplus-sharePatent US7220502 - Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions
