International Tables for Crystallography (2019). Vol. H, ch. 7.11, pp. 843-854
https://doi.org/10.1107/97809553602060000985

Chapter 7.11. Powder diffraction in the petroleum and petrochemical industries

Contents

  • 7.11. Powder diffraction in the petroleum and petrochemical industries  (pp. 843-854) | html | pdf | chapter contents |
    • 7.11.1. Introduction  (p. 843) | html | pdf |
    • 7.11.2. Exploration and production  (pp. 843-844) | html | pdf |
      • 7.11.2.1. Rock properties  (p. 843) | html | pdf |
      • 7.11.2.2. Clay mineralogy and the Reynolds Cup  (pp. 843-844) | html | pdf |
      • 7.11.2.3. Gas hydrates  (p. 844) | html | pdf |
      • 7.11.2.4. Corrosion deposits  (p. 844) | html | pdf |
    • 7.11.3. Refining and petrochemicals  (pp. 844-852) | html | pdf |
      • 7.11.3.1. Corrosion deposits  (pp. 844-846) | html | pdf |
        • 7.11.3.1.1. [Al(H2O)6][Al(H2O)5(SO4)](H3O)2(SO4)5  (pp. 844-845) | html | pdf |
        • 7.11.3.1.2. (NH4)Fe(CO3)(OH)2  (p. 845) | html | pdf |
        • 7.11.3.1.3. (NH4)Fe2S3  (pp. 845-846) | html | pdf |
      • 7.11.3.2. Catalysts  (pp. 846-852) | html | pdf |
        • 7.11.3.2.1. Quantitative analysis of zeolite catalysts  (pp. 846-847) | html | pdf |
        • 7.11.3.2.2. Extraframework sites in Na-FAU  (pp. 847-849) | html | pdf |
        • 7.11.3.2.3. Xenon in Na-FAU  (pp. 849-850) | html | pdf |
        • 7.11.3.2.4. CO2 in Na-FAU  (p. 850) | html | pdf |
        • 7.11.3.2.5. Framework compositions  (p. 850) | html | pdf |
        • 7.11.3.2.6. (VO)2P2O7  (pp. 850-851) | html | pdf |
        • 7.11.3.2.7. Vent-gas oxidation catalyst  (pp. 851-852) | html | pdf |
    • 7.11.4. In situ studies  (pp. 852-853) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 7.11.1. X-ray powder patterns of an alkylation-unit pump-seal deposit, both as received (green) and after removing the amorphous organic fraction by washing with acetone (red)  (p. 844) | html | pdf |
      • Fig. 7.11.2. Comparison of the powder patterns of the isostructural compounds Al4H2(SO4)7·24H2O (red) and `(H3O)2Cr4(SO4)7(H2O)22' (grey) = Cr4H2(SO4)7·24H2O  (p. 845) | html | pdf |
      • Fig. 7.11.3. Rietveld refinement of (NH4)Fe(CO3)(OH)2 based on the `NH4-dawsonite' model  (p. 845) | html | pdf |
      • Fig. 7.11.4. Powder pattern of a refinery isomerization-unit pump-screen deposit  (p. 846) | html | pdf |
      • Fig. 7.11.5. Rietveld refinement of the refinery isomerization-unit pump-screen deposit  (p. 846) | html | pdf |
      • Fig. 7.11.6. Profile fit of the 501/051/151/303/133 peaks (the five strongest peaks) to determine their integrated areas in ASTM method D5758–01 for the determination of the crystallinity of MFI molecular sieves  (p. 846) | html | pdf |
      • Fig. 7.11.7. Patterns of Na-FAU measured under ambient conditions (red) and dehydrated both at 623 K (brown) and 298 K (green)  (p. 847) | html | pdf |
      • Fig. 7.11.8. Rietveld refinement of hydrated Na-FAU under ambient conditions  (p. 847) | html | pdf |
      • Fig. 7.11.9. Rietveld refinement of dehydrated Na-FAU at 298 K in vacuum  (p. 848) | html | pdf |
      • Fig. 7.11.10. Rietveld refinement of dehydrated Na-FAU at 623 K in vacuum  (p. 848) | html | pdf |
      • Fig. 7.11.11. Positions of the sodium cations in dehydrated Na-FAU at 298 K  (p. 849) | html | pdf |
      • Fig. 7.11.12. Positions of the sodium cations in dehydrated Na-FAU at 573 K  (p. 849) | html | pdf |
      • Fig. 7.11.13. Extraframework xenon (and sodium) sites in Na-FAU at 20 K  (p. 849) | html | pdf |
      • Fig. 7.11.14. Unit-cell volume versus heteroatom concentration for B-MFI and Al-MFI molecular sieves (Meyers et al  (p. 850) | html | pdf |
      • Fig. 7.11.15. Phase concentrations during the calcination of a VO(HPO4)(H2O)0.5 precursor to form VO2P2O7  (p. 850) | html | pdf |
      • Fig. 7.11.16. Powder patterns (as 2θ values and peak heights) of two morphologies of VO(HPO4)(H2O)0.5  (p. 851) | html | pdf |
      • Fig. 7.11.17. Rietveld refinement of `Modified Phase A', VO(HPO4)(H2O)0.5  (p. 851) | html | pdf |
      • Fig. 7.11.18. Powder patterns of a fresh (red) and used (green) vent-gas oxidation catalyst  (p. 851) | html | pdf |
      • Fig. 7.11.19. Crystal structure of KTiOPO4 at 474 K (a) and 1174 K (b) (below the phase transition) and at 1324 K (c) (above the phase transition)  (p. 852) | html | pdf |
    • Tables
      • Table 7.11.1. Crystal structure of Na-FAU LZ-Y52  (p. 848) | html | pdf |
      • Table 7.11.2. Extraframework sites in Xe/Na-FAU at 20 K  (p. 849) | html | pdf |
      • Table 7.11.3. GSAS profile coefficients for fresh (VO)2P2O7 catalyst and a catalyst that has been used for three years  (p. 850) | html | pdf |
      • Table 7.11.4. Crystallite sizes for fresh and used vent-gas oxidation catalysts   (p. 851) | html | pdf |