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Supercritical water gasification (SCWG) is a promising technology for clean and efficient coal utilization. The exergy analyses on the processes with integrated SCWG of coal and syngas separation are conducted for clear understanding about the exergy distributions in the processes. The energy level of the heat provided for the gasifier is upgraded to the energy level of the syngas, which is driven...
A systematic method (ECAEL) is proposed for defining additional allocation equations and calculating the exergy cost of flows in thermal system. This method is based on the concept of the energy level, in which the continuous cost change within each component is considered. Thermoeconomic analysis using this method is carried out on a combined cooling, heating and power (CCHP) system, which consists...
In this paper, a novel combined cycle with synthetic utilization of coal and natural gas is proposed, in which the burning of coal provides thermal energy to the methane/steam reforming reaction. The syngas fuel, generated by the reforming reaction, is directly provided to the gas turbine as fuel. The reforming process with coal firing has been investigated based on the concept of energy level, and...
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