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1 Prace Instytutu Nafty i Gazu

1 2009

1 Dudnyk O.

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Hydrogen generation from Ukrainian coals

100%

Dudnyk O.

2009

tom nr 162

63-68

Synthesis gas and hydrogen are obtained from Ukrainian bituminous and brown coals at Fuel Cell Test to Tender Installation [1]. Facility for solid fuel conversion included steam generator, steam gasifier, synthesis gas cooler, shift reactor and reactor for CO2 absorption. Two research cycles - steam conversion of coal volatile and steam gasification of the obtained char - were carried out for determination of optimal conditions for conversion of each coal. The main purpose of the research was hydrogen generation from volatile and char, and also removal of CO2 from synthesis gas by lime directly in gasifier. The synthesis gas obtained as a result of char steam gasification with the use of lime is comparable by content with the synthesis gas obtained as a result of natural gas steam reforming. More than 50% of carbon was removed from the system of conversion of coal into hydrogen directly in gasifier.