Method for producing gas using energy recovering coal feeding st

Details Method for producing gas using energy recovering coal feeding st Method for producing gas using energy recovering coal feeding st

1991-05-15

1992-09-01

Kratz, Peter

Gas: heating and illuminating

Processes

Coal

48206, 48DIG4, 406120, C10J 346

Patent

active

051435217

ABSTRACT:
A method for gasifying coal is disclosed. Coal is fed to the gasifier using lockhoppers which are in fluid communication with each other. Energy is recovered during depressurization steps by passing gas through a pressure recovery device such as a turbo-expander.

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