PURIFICATION DEVICE AND PURIFICATION METHOD OF RAW MATERIAL GAS

摘要

PROBLEM TO BE SOLVED: To provide a purification device and a purification method of a raw material gas achieving reduction of loads such as cost and work in a process and simplification of a system.SOLUTION: A first HS removal device 2 of removing HS from a raw material gas containing at least hydrocarbon, HS and a sulfur compound other than HS, a sulfur compound conversion device 3 of conversing the sulfur compound other than HS to HS and a second HS removal device 4 of removing the converted HS are equipped.SELECTED DRAWING: Figure 1