WOx-CeO2 and WOx-Nb2O5 catalysts deactivation during hexane isomerization

AIChE Journal

Volumn 54, Issue 5, 2008, Pages 1303-1312

  Mamede, A S ^a   Payen, E ^a   Granger, P ^a   Florea, M ^b   Parvulescu V I ^b  

^a UNIV LILLE   (France)

^b UNIVERSITY OF BUCHAREST   (Romania)

Author keywords

Catalysis; Catalyst deactivation; Degradation; In situ Raman investigation; WOx CeO2 and WOx Nb2O5 catalysts

Indexed keywords

CATALYSIS; CATALYST DEACTIVATION; COPRECIPITATION; DEGRADATION;

AMMONIUM NIOBIUM OXALATE; IN-SITU RAMAN INVESTIGATION;

TUNGSTEN COMPOUNDS;

CATALYSIS; CATALYST DEACTIVATION; COPRECIPITATION; DEGRADATION; TUNGSTEN COMPOUNDS;

EID: 43749124381     PISSN: 00011541     EISSN: None     Source Type: Journal    
DOI: 10.1002/aic.11468     Document Type: Article

References (28)

1. Rostrup-Nielsen JR. Industrial relevance of coking. Catal Today. 1997;37:225-232.
2. Marin GB, Beeckman JW, Froment GF. Rigorous kinetic models for catalyst deactivation by coke deposition: application to butene dehydrogenation. J Catal. 1986;97:416-426.
3. Beeckman JW, Froment GF. Catalyst deactivation by active site coverage and pore blockage. Ind Eng Chem Fundam. 1979;18:245-256.
4. Beeckman JW, Froment GF. Deactivation of catalysts by coke formation in the presence of internal diffusional limitation. Ind Eng Chem Fundam. 1982;27:243-250.
5. Beeckman JW, Froment GF. Catalyst deactivation by site coverage and pore blockage. Chem Eng Sci. 1980;35:805-809.
6. Naccache C. Deactivation of Acid Catalysts in Deactivation and Poisoning of Catalysts. New York: Marcel Dekker, 1985:185-203.
7. Matsushitaa K, Hauserb A, Marafic A, Koidea R, Stanislaus A. Initial coke deposition on hydrotreating catalysts. Part 1. Changes in coke properties as a function of time on stream. Fuel. 2004;83:1031-1038.
8. Quennl CA, Fung SC. Coke characterization by temperature programmed techniques. Catal Today. 1997;37:277-283.
9. Benitez VM, Querini CA, Figoli NS. Characterization of WOx/Al2O3 and MoOx/Al2O3 catalysts and their activity and deactivation during skeletal isomerization of 1-butene. Appl Catal A. 2003; 252:427-436.
10. Snape CE, McGhee BJ, Martin SC, Andresen JM. Structural characterisation of catalytic coke by solid-state 13C-NMR spectroscopy. Catal Today. 1997;37:285-293.
11. Martin N, Viniegra M, Lima E, Espinosa G. Coke characterization on Pt/Al2O3-β-zeolite reforming catalysts. Ind Eng Chem Res. 2004; 43:1206-1210.
12. Wood J, Gladden LF. Effect of coke deposition upon pore structure and self-diffusion in deactivated industrial hydroprocessing catalysts. Appl Catal A. 2003;249:241-253.
13. Martens JA, Souverijns W, Verrelst W, Parton R, Groment GF, Jacobs PA. Selective isomerization of hydrocarbon chains on external surfaces of zeolite crystals. Angew Chem. 1995;34:2528-2530.
14. Iglesia E, Barton DG, Soled SL, Miseo S, Baumgartner JE, Gates WE, Fuentes GA, Meitzner GD. Selective isomerization of alkanes on supported tungsten oxide acids. Stud Surf Sci Catal. 1996;101:533-542.
15. 0 ≤ -16.04. J Chem Soc Chem Commun. 1980; 851-852.
16. Pârvulescu VI, Coman S, Pârvulescu V, Poncelet G. TG and DTA investigation of ZrO2.SO42-catalysts exposed to hexane, methylcyclopentane, and cyclohexane. Catal Lett. 1998;52:231-238.
17. Pârvulescu V, Coman S, Pârvulescu VI, Grange P, Poncelet G. Reaction of hexane, cyclohexane, and methylcyclopentane over gallium-, indium-, and thallium-promoted sulfated zirconia catalysts. J Catal. 1998;180:66-84.
18. Keogh RA, Sparks DE, Davis BH. Deactivation of Pt/ZrO2/SO4 catalyst. Stud Surf Sci Catal. 1994;88:647-654.
19. 2- in the presence of hydrogen. J Catal. 1991;131:199-203.
20. 2: activity and stability during n-hexane isomerization. J Catal. 1997;169:389-393.
21. Zhang Z, Lerner B, Lei GD, Sachtler WMH. Hydrocarbon-induced agglomeration of Pd particles in Pd/HZSM-5. J Catal. 1993;140: 481-496.
22. 2 catalysts and their reactivity in isomerization of hexane. J Catal. 2004;223:1-12.
23. 2 catalysts for steam reforming of dimethyl ether. Appl Catal A. 2006;301:66-74.
24. 3 bitumen hydroprocesing catalyst. Ind Eng Chem Res. 1996;35:3940-3950.
25. Chua YT, Stair PC. An ultraviolet Raman spectroscopic study of coke formation in methanol to hydrocarbons conversion over zeolite H-MFI. J Catal. 2003;213:39-46.
26. Gao X, Wachs IE, Wong MS, Ying JY. Structural and reactivity properties of Nb-MCM-41: comparison with that of highly dispersed Nb2O5/SiO2 catalysts. J Catal. 2001;203:18-24.
27. Kim DS, Ostromecki M, Wachs, IE. Surface structures of supported tungsten oxide catalysts under dehydrated conditions. J Mol Catal A. 1996;106:93-102.
28. Coman S, Parvulescu V, Grange P, Parvulescu VI. Transformation of C6 hydrocarbons over sulfated zirconia catalysts. Appl Catal A. 1999;176:45-62.