Abstract: A method of improving the output and efficiency of a pulverized coal plant by integration with a gas turbine and a Heat Recovery Steam Generator. Specifically, embodiments of the invention provide improvements in the performance of an existing coal steam turbine electricity generating plant by the addition of coal gasifiers, a gas turbine and a heat recovery steam generator.

Abstract: A method of improving the output and efficiency of a pulverized coal plant by integration with an integrated gasification combined cycle plant. Specifically, embodiments of the invention provide improvements in the performance of an existing coal steam turbine electrical generating plant by the addition of coal gasifiers, a gas turbine and a heat recovery steam generator.

Abstract: A method of improving the output and efficiency of a pulverized coal plant by integration with an Integrated Gasification Combined Cycle (IGCC) plant.

Abstract: A method of using an apparatus for producing electric power or mechanical drive in which fuel gas produced in a gasifier using air as an oxidant is supplied to the gasifier by extraction from the exit of the air compressor of a gas turbine.

Abstract: A method of using an apparatus for producing electric power or mechanical drive in which fuel gas produced in a gasifier using air as an oxidant is supplied to the gasifier by extraction from the exit of the air compressor of a gas turbine.

Abstract: A fuel preparation apparatus in which coal or coal and other carbon containing material is converted to an environmentally acceptable fuel gas by the reaction with air and steam at a pressure of from 20 to 90 pounds per square inch absolute suitable for providing fuel to a gas turbine, or a stoker type or other boiler having a coal delivery system, a coal crusher, coal storage bins, lock hoppers, a gasifier vessel of two stages, liquid and solid separator vessels, heat and steam recovery vessels, equipment to control the flow of steam and air to the gasifier so as to maintain fuel quality, and a gas clean up plant that will remove environmentally unacceptable components of the gas such as hydrogen sulphide and other sulphur containing compounds and tars and light oils.