A system for increasing efficiency of an integrated gasification combined cycle system comprising: an air separation unit for producing a nitrogen gas product stream and an oxygen gas product stream; a gasifier for producing a syngas stream in the gasifier...

The gas and steam turbine plant comprises a gas turbine (1), and a fuel system (8) upstreams a combustion chamber (3) of the gas turbine. The fuel system has a gasification unit (10) for fossil fuel. A flushing line (42) is provided, which is joined betwee...

A combined cycle powerplant system comprises a gasturbine (20), comprising a compressor (28), a combustion chamber and a turbine section. The system further comprises a variable speed booster (208), which receives air from the compressor (28) of the gas tu...