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This paper investigates the characteristics of the cryogenic rectification column as part of an ASU in IGCC plant. The mathematic model of the low pressure column and the condenser-reboiler is developed. Then, the static characteristics, such as the concentrations of nitrogen, oxygen and argon, the temperature and pressure in column are discussed. Starting from the steady-state, dynamic simulations...
The technology of Integrated Gasification Combined Cycle (IGCC) power plant is one of the most promising energy producing and coal utilization methods. It offers the opportunity to use fossil energy sources as well as satisfy the strict environmental constraints. A typical IGCC power plant mainly consists of an air separation unit, the gasification system, the gas clean-up process, and the combined-cycle...
This paper proposes a gasifier following-based coordinated control strategy for the IGCC power plant. The gasifier and the combined-cycle model are integrated to form the IGCC power plant model and a load and pressure controller is designed to reduce pressure variations with load changes. Simulation results show the good load-tracking property and satisfactory control performance of the proposed controller.
The technology of integrated gasification combined cycle (IGCC) is one of the most promising power producing and coal utilization types. A typical IGCC power plant mainly consists of an air separation unit, gasification system, and the combined-cycle unit. This paper closely investigates the upper part of the rectification column, which is the core of the air separation unit. The first principles...
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