发明名称 |
Protective bed containing lead compounds placed in front of a catalyst bed containing copper for preventing contamination of the catalyst bed with chlorine and sulfur contaminants |
摘要 |
A combination comprising a bed of a particulate copper-containing catalyst and, a guard bed of a particulate composition containing a) lead and/or at least one lead compound that reacts with hydrogen chloride and b) a support therefor. The lead compound is preferably lead nitrate. The combination is of particular utility for the low temperature shift reaction wherein carbon monoxide is reacted with steam to produce hydrogen and carbon dioxide. |
申请公布号 |
CZ20020808(A3) |
申请公布日期 |
2002.07.17 |
申请号 |
CZ20020000808 |
申请日期 |
2000.08.11 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
WATSON MICHAEL JOHN |
分类号 |
B01J33/00;B01J20/02;B01J21/12;B01J23/14;B01J23/80;B01J23/86;B01J35/00;C01B3/16;C07C29/153;C07C29/154 |
主分类号 |
B01J33/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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