发明名称 |
AGGLOMERATED ZEOLITE ADSORBENTS, METHOD FOR OBTAINING THEM AND USE FOR ADSORBING PARAXYLENE FROM AROMATIC C8 CUT FRACTIONS |
摘要 |
The present invention relates to agglomerated zeolite adsorbents based on faujasite with an Si/Al ratio such that 1<=Si/Al<=1.15, at least 70% exchanged with barium and optionally with potassium, and on a binder, preferably a zeolitizable binder.They are obtained by agglomerating zeolite powder with a binder, followed by exchange of the zeolite ions for barium ions and activation of the adsorbents thus exchanged.These adsorbents are particularly suitable for the adsorption of the para-xylene contained in aromatic C8 hydrocarbon fractions in the liquid phase, in processes of simulated fluid-bed type. |
申请公布号 |
PT1011858(E) |
申请公布日期 |
2011.04.04 |
申请号 |
PT19980942751T |
申请日期 |
1998.08.18 |
申请人 |
CECA S.A.;INSTITUT FRANCAIS DU PETROLE |
发明人 |
DOMINIQUE PLEE;ALAIN METHIVIER |
分类号 |
B01J20/18;C07C7/13;C07C15/08 |
主分类号 |
B01J20/18 |
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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