2011•Technology & Development of Chemical IndustryRequires access

Technology Analysis of Entrained-bed Coal Gasification

GU Zheng-quan

Abstract

Entrained-bed coal gasification was the key technology of high efficiency and clean utilization of coal in China.Its basic characteristic and main affecting factors were briefly introduced.Representative entrained-bed coal gasification technologies,such as Shell of dry pulverized-coal gasification,Texaco of coal water slurry gasification,GSP gasification technology,multi-nozzle opposing coal-water slurry gasification and pulverized coal gasification of Hangtian Gasifier were focused,and their advantages and existed problems were also discussed.

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Key concepts: Wood gas generator, Coal, Coal gasification, Pulverized coal-fired boiler, Slurry, Waste management, Coal water, Coal slurry