Two-stage gas washing method applying sulfide precipitation and alkaline absorption

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United States of America Patent

PATENT NO 9272239
APP PUB NO 20130053456A1
SERIAL NO

13601670

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Disclosed is a method relating to hydrocarbon production by gasification of carbonaceous material, for example, a two-stage gas washing method as a part of gas refining. Disclosed is a method for hydrogen sulfide and carbon dioxide removal from synthesis gas produced by gasification. Disclosed is a use of a combination of two chemical wash approaches. The process can be utilized as a part of biomass to liquid (BTL) process.

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NESTE OYJKEILARANTA 21 ESPOO 02150

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aittamaa, Juhani Helsinki, FI 12 88
Eilos, Isto Porvoo, FI 16 112
Keskinen, Kari I Helsinki, FI 3 40
Koskinen, Jukka Espoo, FI 43 393
Tiitta, Marja Porvoo, FI 30 150
Vuori, Heli Espoo, FI 3 8
Wahlström, Jan Porvoo, FI 8 19

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