Abstract

The basic heat exchangers networks of big gasification plants with fossil fuel gasification are considered. The main logistical factors that influence process flowsheets configurations of gasification plants are underlined such as natural quality and components content of fuel to be gasified, range of target products, environmental legislation and demands including regulations for greenhouse gases emission, location relatively to big industrial sites, possibilities of wastes conversion into saleable products. The essential ways of the efficiency enhancement of heat exchangers networks are formulated for integrated gasification plants of combined cycle. The existing systems of syngas absorption cleaning in big gasification plants are discussed. The ways of energy saving retrofit of such systems are defined. The use of plate heat exchangers is considered as perspective for heat transfer components of gases removal systems.

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