Ir/Pt-HZSM5 for n-pentane isomerization: Effect of Si/Al ratio and reaction optimization by response surface methodology

Chemical Engineering Journal

Volumn 217, Issue , 2013, Pages 300-309

  Setiabudi, H D ^a   Jalil, A A ^a   Triwahyono, S ^a   Kamarudin, N H N ^a   Jusoh, R ^a  

^a UNIVERSITI TEKNOLOGI MALAYSIA   (Malaysia)

Author keywords

Ir Pt HZSM5; N Pentane isomerization; Response surface methodology (RSM); Si Al ratio; Strong acid sites

Indexed keywords

AXIAL POINTS; CENTRAL COMPOSITE DESIGNS; CRYSTALLINITIES; FTIR; ISOPENTANE; LEWIS ACID SITE; N-PENTANE; OPERATING CONDITION; OPTIMUM CONDITIONS; PARETO CHARTS; REACTION OPTIMIZATION; REACTION TEMPERATURE; RESPONSE SURFACE METHODOLOGY; SI/AL RATIO; STRONG ACIDS; TREATMENT TEMPERATURE; TREATMENT TIME; XRD;

ISOMERIZATION; ISOMERS; OPTIMIZATION; SURFACE PROPERTIES;

PARAFFINS;

EID: 84871811267     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cej.2012.12.011     Document Type: Article

References (45)

1. Triwahyono S., Yamada T., Hattori H. Effects of Na addition, pyridine preadsorption, and water preadsorption on the hydrogen adsorption property of Pt/SO42-ZrO2. Catal. Lett. 2003, 85:109-115.
2. 2 through Pt sites. J. Nat. Gas Chem. 2007, 16:252-257.
3. Volkova C.G., Reshetnikov S.I., Shkuratova L.N., Budneva A.A., Paukshtis E.A. N-Hexane skeletal isomerization over sulfated zirconia catalysts with different Lewis acidity. Chem. Eng. J. 2007, 134:106-110.
4. Corma A., Kumar D. Possibilities of mesoporous materials in catalysis. Stud. Surf. Sci. Catal. 1998, 117:201-222.
5. N Kamarudin N.H., Jalil A.A., Triwahyono S., Mukti R.R., Aziz M.A.A., Setiabudi H.D., Muhid M.N.M., Hamdan H. Interaction of Zn2+ with extraframe work aluminum in HBEA zeolite and its role in enhancing n-pentane isomerization. Appl. Catal. A: Gen. 2012, 431-432:104-112.
6. Aziz M.A.A., N Kamarudin N.H., Setiabudi H.D., Hamdan H., Jalil A.A., Triwahyono S. Negative effect of Ni on PtHY in n-pentane isomerization evidenced by IR and ESR studies. J. Nat. Gas Chem. 2012, 21:29-36.
7. Weitkamp J., Jacobs P.A., Martens J.A. Isomerization and hydrocracking of C9 through C16 n-alkanes on Pt/HZSM-5 zeolite. Appl. Catal. 1983, 8:123-141.
8. Triwahyono S., Jalil A.A., Musthofa M. Generation of protonic acid sites from pentane on the surfaces of Pt/SO42-ZrO2 and Zn/H-ZSM5 evidenced by IR study of adsorbed pyridine. Appl. Catal. A: Gen. 2010, 372:90-93.
9. Yeung K.L., Wolf E.E. A scanning tunnelling microscopy study of the platinum catalysts particles supported on graphite. J. Vac. Sci. Technol., B 1991, 9:798-803.
10. Yeung K.L., Wolf E.E. Scanning tunnelling microscopy studies of size and morphology of Pt/graphite catalysts. J. Catal. 1992, 135:13-26.
11. J.H. Sinfelt, US Patent 3,953,368, 1976.
12. Dees M.J., Ponec V. On the influence of sulfur on the platinum/iridium bimetallic catalysts in n-hexane/hydrogen reactions. J. Catal. 1989, 115:347-355.
13. Yang O.B., Woo S.I. Characterization and catalytic properties of Pt-Ir small bimetallic cluster in NaY. New Frontiers in Catalysis - Proceeding of the 10th International Congress on Catalysis 1993, vol. 75:671-680. Elsevier, Amsterdam.
14. Aboul-Gheit A.K., Awadallah A.E., Aboul-Gheit N.A.K., Solyman E.S.A., Abdel-Aaty M.A. Effect of hydrochlorination and hydrofluorination of Pt/H-ZSM-5 and Pt-Ir/H-ZSM-5 catalysts for n-hexane hydroconversion. Appl. Catal. A: Gen. 2008, 334:304-310.
15. Setiabudi H.D., Jalil A.A., Triwahyono S., Kamarudin N.H.N., Mukti R.R. IR study of iridium bonded to perturbed silanol groups of Pt-HZSM5 for n-pentane isomerization. Appl. Catal. A: Gen. 2012, 417-418:190-199.
16. Setiabudi H.D., Jalil A.A., Triwahyono S. Ir/Pt-HZSM5 for n-pentane isomerization: effect of iridium loading on the properties and catalytic activity. J. Catal. 2012, 294:128-135.
17. Triwahyono S., Abdullah Z., Jalil A.A. The effect of sulfate ion on the isomerization of n-butane to isobutane. J. Nat. Gas Chem. 2006, 15:247-252.
18. Setiabudi H.D., Triwahyono S., Jalil A.A., Kamarudin N.H.N., Aziz M.A.A. Effect of iridium loading on HZSM-5 for isomerization of n-heptane. J. Nat. Gas Chem. 2011, 20:477-482.
19. Montgomery D.C. Design and analysis of experiments 1996, John Wiley & Sons, New York. fourth ed.
20. Treacy M.M.J., Higgins J.B. Collection of Simulated XRD Powder Patterns for Zeolites 2001, Elsevier, Amsterdam. fourth ed.
21. Abraham A., Lee S.H., Shin C.H., Hong S.B., Prins R., van Bokhoven J.A. Influence of framewok silicon to aluminium ratio on aluminium coordination and distribution in zeolite Beta investigated by 27Al MAS and 27Al MQ MAS NMR. Phys. Chem. Chem. Phys. 2004, 6:3031-3036.
22. 3 ratios. J. Porous Mater. 2008, 15:213-220.
23. Reddy K.M., Song C. Synthesis of mesoporous molecular sieves: influence of aluminium source on Al incorporation in MCM-41. Catal. Lett. 1996, 36:103-109.
24. Morterra C., Cerrato G., Meligrana G. Revisiting the use of 2,6-dimethylpyridine adsorption as a probe for the acidic properties of metal oxides. Langmuir 2001, 17:7053-7060.
25. Haag W.O., Lago R.M., Weisz P.B. The active site of acidic aluminosilicate catalysts. Nature 1984, 309:589-591.
26. 2. Ind. Eng. Chem. Fundam. 1986, 25:53-58.
27. Shirazi L., Jamshidi E., Ghasemi M.R. The effect of Si/Al ratio of ZSM-5 zeolite on its morphology, acidity and crystal size. Cryst. Res. Technol. 2008, 43(12):1300-1306.
28. Choudhary V.R., Mantri K., Sivadinarayana C. Influence of zeolite factors affecting zeolitic acidity on the propane aromatization activity and selectivity of Ga/H-ZSM-5. Microporous Mesoporous Mater. 2000, 37:1-8.
29. De Lucas A., Ramos M.J., Dorado F., Sánchez P., Valverde J.L. Influence of the Si/Al ratio in the hydroisomerization of n-octane over platinum and palladium beta zeolite-based catalysts with or without binder. Appl. Catal. A: Gen. 2005, 289:205-213.
30. Zhang W., Smirniotis P.G. Effect of zeolite structure and acidity on the product selectivity and reaction mechanism for n-octane hydroisomerization and hydrocracking. J. Catal. 1999, 182:400-416.
31. Guisnet M., Fouche V., Belloum M., Bournonville J.P., Travers C. Isomerization of n-hexane on platinum dealuminated mordenite catalysts I. Influence of the silicon-to-aluminum ratio of the zeolites. Appl. Catal. 1991, 71:283-293.
32. Chatterjee S., Kumar A., Basu S., Dutta S. Application of response surface methodology for methylene blue dye removal from aqueous solution using low cost adsorbent. Chem. Eng. J. 2012, 181-182:289-299.
33. Kumar R., Pal P. Response surface-optimized Fenton's pre-treatment for chemical precipitation of struvite and recycling of water through downstream nanofiltration. Chem. Eng. J. 2012, 210:33-44.
34. Haaland P.D. Experimental Design in Biotechnology 1989, Marcel Dekker Inc., New York.
35. Yoshioka C.M.N., Jordão M.H., Zanchet D., Garetto T.F., Cardoso D. A new activation process of bimetallic catalysts and application to the n-hexane isomerization. Appl. Catal. A: Gen. 2009, 355:20-26.
36. Kuchar P.J., Bricker J.C., Reno M.E., Haizman R.S. Paraffin isomerization innovations. Fuel Proc. Technol. 1993, 35:183-200.
37. T. Hosoi, T. Shimadzu, S. Ito, S. Baba, H. Takaoka, T. Imai and N. Yokoyama, Characterization and C5/C6 isomerization activity of solid superacid (Pt/SO42-/ZrO2), in: Prep. Symp. Div. Petro. Chem. Am. Chem. Soc., Los Angeles, 1988, pp. 562-567.
38. Hattori H., Shishido T. Molecular hydrogen-originated protonic acid sites as active site on solid acid catalyst. Catal. Surv. Jpn. 1997, 1:205-213.
39. Fujimoto K., Maeda K., Aimoto K. Hydroisomerization of n-pentane over hybrid catalysts containing a supported hydrogenation catalyst. Appl. Catal. A: Gen. 1992, 91:81-86.
40. Triwahyono S., Jalil A.A., Mukti R.R., Musthofa M., Razali N.A.M., Aziz M.A.A. Hydrogen spillover behaviour of Zn/HZSM-5 showing catalytically active protonic acid sites in the isomerization of n-pentane. Appl. Catal. A: Gen. 2011, 407:91-99.
41. Karge H.G. Coke formation on zeolites. Introduction to Zeolite Science and Practice 2001, 707-746. Elsevier, Amsterdam. H. van Bekkum, E.M. Flanigen, P.A. Jacobs, J.C. Jansen (Eds.).
42. Yang S., Kondo J.N., Domen K. Formation of stable alkenylcarbenium ions in high yield by adsorption of 1-methylcyclopentane on zeolite Y at low temperature. Chem. Commun. 2001, 2008-2009.
43. Kondo J.N., Yang S., Zhu Q., Inagaki S., Domen K. In situ infrared study of n-heptane isomerization over Pt/H-beta zeolites. J. Catal. 2007, 248:53-59.
44. De Lucas A., Canizares R., Durán A., Carrero A. Coke formation, location, nature and regeneration on dealuminated HZSM-5 type zeolites. Appl. Catal. A: Gen. 1997, 156:299-317.
45. Renzini M.S., Lerici L.C., Sedran U., Pierella L.B. Stability of ZSM-11 and BETA zeolites during the catalytic cracking of low-density polyethylene. J. Anal. Appl. Pyrol. 2011, 92:450-455.