To provide gas purifying equipment and a process improving the removing efficiency of S components by eliminating the influence of tar components, a gasification system using it, and a gasification/power generation system.
The equipment is equipped with the gas cooling apparatus 12 that lowers the gas temperature of the high temperature gas 11 containing at least sulfur (S) components and tar components; the tar removing aid feeder 15 that supplies the tar removing aid 14 to the cooled gas 13 lowered in the temperature by the above gas cooling apparatus 12; the first dust collecting apparatus 16 that is furnished with a filtration membrane for collecting dusts in the gas after the tar removal and has a piled layer of the tar removing aid 14 formed on the surface of the filtration membrane; the gas heating apparatus 17 that is arranged downstream side of the first dust collecting 16 and heats the gas that has passed the first dust collecting apparatus 16; the desulfurizing agent feeder 19 that supplies the powdery desulfurizing agent 18 to the gas after the heating; and the second dust collecting apparatus 20 that is furnished with a filtration membrane for collecting the dust in the above gas and has a piled layer of the desulfurizing agent 18 formed on the surface of the filtration membrane.
COPYRIGHT: (C)2007,JPO&INPIT
HOSHI YONOSUKE
SUZUKI TAKUMI
TERASAWA YOSHINORI
MASUDA TOMOTSUGU
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