Invention Grant
- Patent Title: Zeolitic adsorbents with large external surface area, process for preparing them and uses thereof
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Application No.: US14917457Application Date: 2014-09-05
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Publication No.: US09914109B2Publication Date: 2018-03-13
- Inventor: Catherine Laroche , Philibert Leflaive , Ludivine Bouvier , Serge Nicolas , Cecile Lutz , Marie-Laurence Labede
- Applicant: CECA S.A. , IFP Energies Nouvelles
- Applicant Address: FR Rueil-Malmaison FR Colombes
- Assignee: IFP ENERGIES NOUVELLES,ARKEMA FRANCE
- Current Assignee: IFP ENERGIES NOUVELLES,ARKEMA FRANCE
- Current Assignee Address: FR Rueil-Malmaison FR Colombes
- Agency: RatnerPrestia
- Priority: FR1358662 20130909; FR1358715 20130910
- International Application: PCT/EP2014/068993 WO 20140905
- International Announcement: WO2015/032923 WO 20150312
- Main IPC: B01J20/12
- IPC: B01J20/12 ; B01J20/18 ; B01J20/28 ; B01J20/30 ; C07C29/76 ; C07C37/82 ; C07C7/13 ; C07C201/16 ; C07C209/86 ; B01D53/02 ; B01D53/08

Abstract:
The present invention relates to zeolitic adsorbents based on agglomerated crystals of FAU zeolite comprising barium and/or potassium, with large external surface area, combining optimum properties in terms of selectivity and mechanical strength.These adsorbents find applications in the separation of cuts of C8-aromatic isomers and notably of xylenes, in the separation of isomers of substituted toluene such as nitrotoluene, diethyltoluene, toluenediamine, in the separation of cresols, and polyhydric alcohols, such as sugars.
Public/Granted literature
- US20160207025A1 ZEOLITIC ADSORBENTS WITH LARGE EXTERNAL SURFACE AREA, PROCESS FOR PREPARING THEM AND USES THEREOF Public/Granted day:2016-07-21
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