| 摘要 |
<p>Process for the abatement of carbonyl sulphide, carbon disulphide, metal carbonyl compounds, hydrogen sulphide and hydrogen cyanide, ammonia and arsenic and chlorine compounds from a feed gas comprising the steps of contacting the gas in succession with a first purification agent comprising activated carbon,
with a second purification agent comprising alumina, with a third purification agent comprising zinc oxide, with a fourth purification agent comprising a zeolitic material and a fifth purification agent comprising zinc oxide and copper oxide.</p> |
