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| Analysis of Desulphurization and Related Issues in SNG Project |
| TIAN Xiu-shan, ZHANG Hong-wei |
| Zhejiang Energy Group Research and Development Corporation Ltd., Hangzhou 310003, China |
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Abstract The sulfide in raw gas from gasifier is one of the key factors that cause pollution and corrosion. Several approaches of desulphurization were introduced. The desulphurization principles and critical problems in SNG (synthetic natural gas)transformation unit, rectisol unit and methanation unit were analyzed emphatically. Finally, the equipment corrosion mechanism caused by gas compositions was analyzed, and the measures to reduce and eliminate the corrosion were also proposed.
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