Catalyst Deactivation 1994 (eBook)

Front Cover 1
Catalyst Deactivation 1994, Volume 88 4
Copyright Page 5
Contents 6
Preface 14
Part I: Review Articles (Plenary Lectures) 16
Chapter 1. Sintering kinetics of supported metals : perspectives from a generalized power law approach 16
Chapter 2. Catalyst deactivation in the oxidation of volatile organic compounds by some metal oxides 34
Chapter 3. Sintering and catalytic implications. A surface thermodynamics approach 48
Chapter 4. Fundamental description of deactivation and regeneration of acid zeolites 68
Chapter 5. Scanning probe microscopy studies of the activation and deactivation of Pd thin film catalysts 84
Chapter 6. Catalyst deactivation in HDM of heavy deasphalted oils 100
Chapter 7. A recycle electrobalance reactor for the study of catalyst deactivation by coke formation 112
Chapter 8. Solid-state reactions in catalysts during ageing : beneficial role of spillover 128
Chapter 9. FCC catalyst deactivation: a review and directions for further research 144
Chapter 10. Coke versus metal deactivation of residue hydrodemetallization catalysts 160
Chapter 11. Coke deposition in triclcle-bed reactors during heavy oil processing — Catalytic and physical effects 170
Part II: Oral Presentations Coking 182
Chapter 12. Problem of coke formation on Ni/ZrO2 catalysts during the carbon dioxide reforming of methane 182
Chapter 13. Deactivation profiles related to mechanism pecularities of coke formation inside catalyst pores 190
Chapter 14. Ageing of Ga/H-MFI(Si,Al) propane aromatisation catalysts 198
Chapter 15. Influence of sulfur on the interaction of iron with carbon monoxide 206
Chapter 16. Formation of coke on hydrotreating catalysts and its effect of activity 214
Chapter 17. CO2 reforming of methane to syngas : deactivation behavior of nickel aluminate spinel catalysts 222
Chapter 18. A study of the deactivation and regeneration behaviour and related catalytic properties of modified zeolite catalysts 230
Chapter 19. The dealumination process of acid attack and coking behaviour in ultrastable Y zeolites 238
Chapter 20. The use of the H2-D2 equilibration reaction as a probe reaction to study the deactivation on Pt/Al2O3 and Pt-Sn/Al2O3 catalysts during propane dehydrogenation 248
Chapter 21. Deactivation and coking of HZSMS catalysts during alkylation reactions 256
Chapter 22. The activity decay of cracking catalysts: chemical and structural deactivation by coke 264
Chapter 23. Experimental methods for the determination of coke formation and deactivation kinetics of heterogeneous catalysts 272
Chapter 24. Use of 129-Xe NMR and HRADS techniques to study coking and decoking of HY zeolites 280
Chapter 25. Accelerated tests of catalyst coking: what do they tell us? 288
Chapter 26. Deactivation of Ni-catalysts and its prevention by mechanically mixing an oxide for the formation reaction of CO+H2 from CO2+CH4 296
Chapter 27. Regeneration of coked Pt-Re/AI2O3 catalyst by burning with oxygen and ozone 304
Chapter 28. An isotope labelling study of the deactivation of a Pt/alumina catalyst used for propane dehydrogenation 312
Chapter 29. In situ coking kinetics obtained from a new flow through microbalance and reaction kinetics monitored by GC 320
Chapter 30. Characterisation of the carbonaceous deposit formed during the selective hyrogenation of propyne over palladiumzirconia 328
Chapter 31. Deactivation of heterogeneous catalysts for hydrocarbon conversion 334
Chapter 32. Coking and activity of a reforming catalyst in near-critical and dense supercritical reaction mixtures 342
Part III: Poisoning 350
Chapter 33. Catalyst deactivation in hydrodemetallisation of model compound vanadyl-tetraphenylporphyrin 350
Chapter 34. Modification by sulfur of automotive exhaust catalysts: effects of the preparation procedure of the catalysts 358
Chapter 35. Fischer-Tropsch precipitated iron catalysts: deactivation studies 366
Chapter 36. Regeneration of heavily poisoned reformer catalyst. A case study 374
Chapter 37. Effect of alloying on the sulfur resistance of bimetallic Pt-based catalysts 384
Chapter 38. A fundamental study of the deactivation of FCC catalysts : a comparison of quinoline and phenanthrene as catalysts poisons 392
Chapter 39. Platinum-catalyzed oxidation of alcohols in aqueous solutions. The role of Bi-promotion in suppression of catalyst deactivation 400
Part IV: Solid State Transformations 408
Chapter 40. Deactivation effects in the synthesis of methyl ethyl ketone by selective oxidation over solid Wacker-type catalysts 408
Chapter 41. The changes of morphologic structure of Mo-Ni/AI2O3 hydrodenitrogenation catalyst during its commercial use 416
Chapter 42. Deterioration mechanism of Cu/ZSM-5 as a catalyst of selective reduction of NOx by hydrocarbons from the exhaust of stationary natural gas-fuelled engine 424
Chapter 43. In-situ electron microscopy studies of the palladium/alumina-oxygen system 432
Chapter 44. Interfacial reactions of transition metal oxides on aluminium oxide studied by high-energy ion beam analysis techniques 440
Chapter 45. The mechanism of deactivation of supported Wacker catalysts in the oxidation of 1-butene 448
Chapter 46. Deactivation of copper ion exchanged mordenite catalysts by SO2 for NO reduction with NH3 : role of copper 456
Chapter 47. Deactivation of steam reforming catalysts for molten carbonate fuel cell applications 464
Chapter 48. Deactivation of a sulfided NiMo/.-Al2O3 during the hydrodeoxygenation of bio-oils: influence of a high water pressure 474
Part V: Miscellaneous 482
Chapter 49. Deactivation of carbon-supported platinum catalysts during oxidations in aqueous media 482
Chapter 50. Deactivation of V2O5/TiO2 catalysts in the oxidation of o-xylene to phthalic anhydride 490
Chapter 51. Deactivation during the hydrogenation of 2-methylglutaronitrile to ß-picoline 498
Chapter 52. The behavior of titania-supported iron oxide catalysts in butene dehydrogenation 506
Chapter 53. Sulphur poisoning of nickel catalysts in catalytic hot gas cleaning conditions of biomass gasification 514
Part VI: Poster Presentations Coking 522
Chapter 54. Coke formation during catalytic dehydrogenation 522
Chapter 55. Deactivation and reactivation of Ru/SiO2 catalyst 528
Chapter 56. Propane dehydrogenation over supported platinum catalysts: the influence of tin on the coking properties 534
Chapter 57. Monte Carlo simulation of effects of pore entrance deactivation on reaction performance 540
Chapter 58. Effect of preparation method and support on the deactivation of nickel catalysts by carbon deposition 546
Chapter 59. Induction period of coking in the steam reforming of hydrocarbons 552
Chapter 60. Kinetic models of catalyst deactivation in paraffin transformations 558
Chapter 61. Method to verify the hydrotreating catalysts life for medium petroleum cuts 564
Chapter 62. Influence of the catalyst pretreatment on the relative rates of the main and coking reactions during acetylene hydrogenation on a NiO/NiAl2O4 catalyst 570
Chapter 63. Deactivation studies on Ni,H-ZSM-5 containing catalysts 576
Chapter 64. Acidity deterioration arid coke deposition in a HZSM5 zeolite in the MTG process 582
Chapter 65. Coke formation during the hydrotreating of biomass pyrolysis oils : influence of guaiacol type compounds 588
Chapter 66. Deactivation in hydrogenolysis catalysts : the effect of SnOx on Pt 594
Chapter 67. TG-DSC, UV-VlS-IR studies on catalysts deactivated in alkylation of isobutane with 1-butene 600
Chapter 68. Effect of thermal deactivation of vanadium - titanium catalyst on o-xylene oxidation process yielding phthalic anhydride 606
Part VII: Poisoning 612
Chapter 69. Deactivation of the palladium catalyst in the hydrogenation of 2-ethyl- 5,6,7,8-tetrahydroanthraquinone 612
Chapter 70. Effects of surface modifiers in the liquid-phase hydrogenation of olefins over silica-supported Pt, Pd and Rh catalysts. II. Thiophene and CS2 618
Chapter 71. Effect of nitric acid on the isotopic exchange reaction between H2 and HDO(v) over a hydrophobic platinum catalyst 624
Chapter 72. Analysis of deactivation of a water gas shift catalyst CoMoK/AI2O3 in an ammonia plant 632
Chapter 73. Impurity poisoning of Ni-catalyst pellets 638
Chapter 74. Deactivation of platinum catalysts by lead 644
Chapter 75. Kinetics of the catalyst deactivation in the recovery of active anthraquinones 650
Chapter 76. Effect of SO2 on Pd-V catalyst activity for NOx reduction by ammonia 656
Chapter 77. Deactivation of Pt/ZrO2/SO4 catalyst 662
Part VIII: Solid State Transformations 666
Chapter 78. Hydrodesulfurization of thiophene on supported phosphormolybdenum heteropolyacid : study of deactivation 666
Chapter 79. Deactivation of copper-based catalysts in alcohol dehydrogenation 672
Chapter 80. Deactivation and reactivation of boron phosphate catalysts 678
Chapter 81. The role of acid sites by deactivation of industrial alumina claus catalyst and their protection 684
Author Index 688
Studies in Surface Science and Catalysis (Other Volumes in the Series) 694