How to improve the selectivity of zeolitic catalysts in c8 aromatic cut isomerization;Comment améliorer la sélectivité des catalyseurs zéolithiques en isomérisation de la coupe c8 aromatique

Oil and Gas Science and Technology

Volumn 64, Issue 6, 2009, Pages 731-744

  Guillon, E ^a   Lacombe, S ^a   Sozinho, T ^a   Magnoux, P ^b   Gnep, S ^b   Moreau, P ^b   Guisnet, M ^b  

^a IFP ENERGIES NOUVELLES   (France)

^b UNIVERSITÉ DE POITIERS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ACIDIC ALUMINA; ACIDIC SITES; BIFUNCTIONAL MECHANISMS; CHLORINATED ALUMINA; DEALKYLATION; DISPROPORTIONATIONS; ETHYLBENZENE CONVERSION; FERRIERITE; METALLIC PHASIS; MORDENITES; OPTIMISATIONS; ORGANIC TEMPLATES; PARAFFIN CRACKING; RING OPENING; SECONDARY-SIDE; STABILISATION; ZEOLITIC CATALYSTS; ZEOLITIC PHASE; ZEOLITIC STRUCTURE;

AROMATIC HYDROCARBONS; CATALYSIS; CATALYTIC CRACKING; ELECTRON TRANSITIONS; ETHYLBENZENE; ISOMERIZATION; ISOMERS; PARAFFIN WAXES; PARAFFINS; PLATINUM; SULFUR COMPOUNDS; XYLENE; ZEOLITES;

CATALYST SELECTIVITY;

ACIDITY; ALUMINUM OXIDE; AROMATIC HYDROCARBON; CATALYSIS; CATALYST; ZEOLITE;

EID: 71849115780     PISSN: 12944475     EISSN: None     Source Type: Journal    
DOI: 10.2516/ogst/2009030     Document Type: Article

References (44)

1. Alario F., Barraqué M., Marcilly C. (1997) Traitement des essences aromatiques pour la pétrochimie, Techniques de l'Ingénieur, J5920-1-J5920-12.
2. Alario F., Guisnet M. (2002) Paraxylene manufacturing: cat-alytic reactions and processes, Catalytic Sci. Series 3, 189-207.
3. Ash G., Barth K., Hotier G., Mank L., Renard P. (1994) Eluxyl -A New Paraxylene Separation Process, Revue de l'Institut Français du Pétrole 49, 5, 541-549.
4. Kurup A.S., Hidajat K., Ray A.K. (2005) Optimal operation of an industrial-scale Parex process for the recovery of p-xylene from a mixture of C-8 aromatics, Ind. Eng. Chem. Res. 44, 15, 5703-5714.
5. Corma A., Sastre E. (1991) Evidence for the presence of a bimolecular pathway in the isomerization of xylene on some large-pore zeolites, J. Catal. 129, 177-185.
6. Guisnet M. (1998) Procédés sélectifs et propres de production d'alkylaromatiques sur zéolithes, Actual. Chimique 9-15.
7. Morin S., Gnep N.S., Guisnet M. (1996) A simple method for determining the relative significance of the unimolecular and bimolecular pathways of xylene isomerization over HY zeolites, J. Catal. 159, 296-304.
8. Gnep N.S., Guisnet M. (1977) Isomérisation de l'éthylbenzène sur platine supporté par alumine fluorée: I. Influence des fonctions acide et métallique sur l'activité et la sélectivité, B. Soc. Chimique France 5-6, 429-434.
9. Weisz P.B. (1962) Polyfunctional heterogeneous catalysis, Adv. Catal. 13, 137-190.
10. Ransley D.L. (1990) Xylenes and ethylbenzene, Encyclopedia Chem. Technol. 24, 709-744.
11. John H.H., Neubauer H.D., Birke P. (1999) Zeolite containing catalysts for the conversion of C8-aromatics, Catal. Today 49, 211-220.
12. Marcilly C. (2006) Conversion of simple aromatic feedstocks, in Acido-basic Catalysis, Editions Technip, Paris.
13. Dupraz C., Alario F., Renard C. (1999) DGMK Conference, Erlangen Oct. 13-15.
14. Rault J., Dupraz C., Montécot F. (2004) Alternative routes to paraxylene production, PTQ, Spring.
15. Palmer P., Marr G. (2005) Innovation delivered: new catalysts and adsorbents for increased p-xylene production, Proceedings of International Petrochemical Technology Conference.
16. Martens J.A., Perez-Pariente J., Sastre E., Corma A., Jacobs P.A. (1988) Isomerization and disproportionation of m-xylene; selec-tivities induced by the void structure of the zeolitic framework, Appl. Catal. 45, 85-101.
17. Silva J.M., Ribeiro M.F., Ribeiro F.R., Benazzi E., Guisnet M. (1995) Transformation of An Ethylbenzene-O-Xylene Mixture on HMOR and Pt-HMOR Catalysts - Comparison with ZSM-5 Catalysts, Appl. Catal. A-Gen. 125, 1, 15-27.
18. Jones C.W., Zones S.I., Davis M.E. (1999) m-xylene reactions over zeolites with undimensional pore system, Appl. Catal. A-Gen. 181, 289-303.
19. Demuth T., Raybaud P., Lacombe S., Toulhoat H. (2004) Effects of zeolite pore sizes on the mechanism and selectivity of xylene disproportionation - a DFT study, J. Catal. 222, 2, 323-337.
20. Moreau F., Bernard S., Gnep N.S., Lacombe S., Merlen E., Guisnet M. (2001) Ethylbenzene isomerization on bifunctional platinum alumina-mordenite catalysts 1. Influence of the mor-denite Si/Al ratio, J. Catal. 202, 2, 402-412.
21. Moreau F., Gnep N.S., Lacombe S., Merlen E., Guisnet M. (2002) Ethylbenzene transformation on bifunctional Pt/Al2O3-NaHMOR catalysts Influence of Na exchange on their activity and selectivity in ethylbenzene isomerization, Appl. Catal. A-Gen. 230, 1-2, 253-262.
22. Moreau F., Ayrault P., Gnep N.S., Lacombe S., Merlen E., Guisnet M. (2002) Influence of Na exchange on the acidic and catalytic properties of an HMOR zeolite, Micropor. Mesopor. Mat. 51, 3, 211-221.
23. Merlen E., Lacombe S., Alario F. (2000) A study of catalytic performances in isomerization of the C8 aromatic cut for differ-ent zeolite structures, Proceedings of the Industrial Applications of Zeolites, Brugge, Belgium, 2000.
24. Casci J.L., Lowe B.M., Whittam T.V. (1981) Eur. Pat. 0 042 226.
25. Briscoe N.A., Johnson D.W., Shannon M.D., Kokotailo G.T., McCusker L.B. (1988) The framework topology of zeolite EU-1, Zeolites 8, 74-76.
26. Souverijns W., Rombouts L., Martens J.A., Jacobs P.A. (1995) Molecular shape selectivity of EUO zeolites, Micropor. Mat. 4, 123-130.
27. Moreau F. (2001) Isomérisation de l'éthylbenzène sur catalyseurs bifonctionnels zéolithiques. Rôle des fonctions acides et hydrogénantes, PhD Thesis, Université de Poitiers (LACCO).
28. Guisnet M. (2002) "Coke" molecules trapped in the micropores of zeolites as active species in hydrocarbon transformations, J. Mol. Catal. A-Chem. 182, 1, 367-382.
29. Moreau F., Moreau P., Gnep N.S., Magnoux P., Lacombe S., Guisnet M. (2006) Ethylbenzene isomerization over bifunctional platinum alumina-EUO catalysts: Location of the active sites, Micropor. Mesopor. Mat. 90, 1-3, 327-338.
30. Moreau P. (2005) Isomérisation de l'Ethylbenzène sur cataly-seurs bifonctionnels Pt/Zéolithe à taille de pores intermédiaire, Université de poitiers (LACCO).
31. Cerqueira H.S., Ayrault P., Datka J., Magnoux P., Guisnet M. (2000) m-Xylene Transformation over a USHY Zeolite at 523 and 723 K: Influence of Coke Deposits on Activity, Acidity, and Porosity, J. Catal. 196, 1, 149-157.
32. Guisnet M., Magnoux P. (1989) Coking and deactivation of zeolites. Influence of the pore structure, Appl. Catal. 54, 1-27.
33. Martens J.A., Vanbutsele G., Jacobs P.A., Denayer J., Ocakoglu R., Baron G., Arroyo J.A.M., Thybaut J., Marin G.B. (2001) Evidences for pore mouth and key-lock catalysis in hydroiso-merization of long n-alkanes over 10-ring tubular pore bifunctional zeolites, Catal. Today 65, 2-4, 111-116.
34. Claude M.C., Vanbutsele G., Martens J.A. (2001) Dimethyl branching of long n-alkanes in the range from decane to tetra-cosane on Pt/H-ZSM-22 bifunctional catalyst, J. Catal. 203, 1, 213-231.
35. Guisnet M., Andy P., Boucheffa Y., Gnep N.S., Travers C., Benazzi E. (1998) Selective isomerization of n-butenes into isobutene over aged H-ferrierite catalyst: nature of the active species, Catal. Lett. 50, 3-4, 159-164.
36. Andy P., Gnep N.S., Guisnet M., Benazzi E., Travers C. (1998) Skeletal isomerization of n-butenes - II. Composition, mode of formation, and influence of coke deposits on the reaction mecha-nism, J. Catal. 173, 2, 322-332.
37. Moreau P., Gnep N.S., Magnoux P., Guillon E., Lacombe S., Guisnet M. (2008) Zeolites and Related Materials: Trends, Targets and Challenges, Proceedings of the 4th International FEZA Conference, Paris.
38. Rubin M.K. (1985) Eur. Pat. 0 159 845.
39. Sumitani K., Sakai T., Yamasaki Y., Onodera T. (1982) Eur. Pat. EP 51318.
40. Gault F.G. (1981) Skeletal isomerization of hydrocarbons, Adv. Catal. 30, 28-48.
41. Brandenberger S.G., Callender W.L., Meerbott W.K. (1976) Mechanisms of Methylcyclopentane Ring opening over Pt-Alumina Catalysts, J. Catal. 42, 282-287.
42. Donnis B.B. (1976) Platinum/alumina catalysts in reforming of methylcyclopentane, Ind. Eng. Chem. Product Res. Dev. 15, 4, 254-258.
43. Smith R.L., Naro P.A., Silvestri A.J. (1971) Reactions Paths for Decyclization of Methylcyclopentane over Pt/Al2O3 Catalysts, J. Catal. 20, 359-366.
44. Sozinho T. (2010) Étude mécanistique et cinétique des réactions de craquage dans des conditions de l'isomérisationde la coupe C8 aromatique sur catalyseurs bifonctionnels, PhD Thesis, Université de Poitiers.