发明名称 |
OLEFIN PURIFICATION BY ADSORPTION OF ACETYLENICS AND REGENERATION OF ADSORBENT |
摘要 |
Processes using heterogeneous adsorbents are disclosed for purification of olefins such as are typically produced by thermal cracking of suitable hydrocarbon feedstocks, by passing a steam of olefin having from 2 to about 8 carbon atoms, containing acetylenic impurities having the same or similar carbon content, and optionally saturated hydrocarbon gases, through a particulate bed of adsorbent comprising predominantly a support material having high surface area on which is dispersed at least one metallic element. Adsorption is carried out in an essentially dihydrogen-free atmosphere within the bed, selective and reversible adsorption and/or complexing of the contained acetylenic contaminants with the adsorbent, and thereby obtain purified effluent which contains less than a predetermined level of the acetylenic impurities. Selective and reversible adsorption and/or complexing of the contained acetylenic impurities with the adsorbent is continued until levels of acetylenic impurities in the effluent stream increase to a predetermined level. Thereafter the resulting bed of adsorbent is regenerated in the presence of a reducing gas containing dihydrogen to effect release of the contained acetylenic impurities from the adsorbent. |
申请公布号 |
WO9840450(A1) |
申请公布日期 |
1998.09.17 |
申请号 |
WO1998US03860 |
申请日期 |
1998.02.26 |
申请人 |
AMOCO CORPORATION |
发明人 |
KAMINSKY, MARK, P.;PEI, SHIYOU;WILSAK, RICHARD, A.;WHITTAKER, ROBERT, C. |
分类号 |
B01D53/02;B01J20/02;B01J20/08;B01J20/32;B01J20/34;C07C7/12;C07C7/152;C07C11/02;C10G25/00;C10G25/03;C10G70/04 |
主分类号 |
B01D53/02 |
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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