Methods for producing crystalline microporous solids with the HEU topology and compositions derived from the same
This disclosure relates to new crystalline microporous solids (including silicate- and aluminosilicate-based solids), the compositions comprising 8 and 10 membered inorganic rings, particularly those having HEU topologies having a range of Si:Al ratios, methods of preparing these and known crystalline microporous solids using certain quaternized imidazolium cation structuring agents.
1. A calcined crystalline microporous solid having an HEU framework topology comprising (a) silicon oxide and (b) an oxide of aluminum, boron, gallium, hafnium, iron, tin, titanium, indium, vanadium, zirconium, or combination thereof, wherein the atomic ratio of (a) silicon to (b) aluminum, boron, gallium, hafnium, iron, tin, titanium, indium, vanadium, zirconium, or combination thereof is in a range of from about 7.3 to about 20.
2. The calcined crystalline microporous solid of claim 1 , where the crystalline microporous solid is an aluminosilicate having an atomic ratio of Si:Al in a range of from about 7.3 to about 20.
3. The calcined crystalline microporous solid of claim 2 , wherein the atomic ratio of Si:Al is in a range of from about 7.3 to about 12.3.
4. The calcined crystalline microporous solid of claim 2 , which exhibits an powder X-ray diffraction pattern with at least five of the characteristic peaks at 10.02±0.15° 2-theta, 11.28±0.15° 2-theta, 13.12±0.15° 2-theta, 13.42±0.15° 2-theta, 17.38±0.15° 2-theta, 22.51±0.15° 2-theta, 22.76±0.15° 2-theta, 26.44±0.15° 2-theta, 28.29±0.15° 2-theta, or 30.35±0.15° 2-theta.
5. The calcined crystalline microporous solid of claim 2 , which exhibits a powder X-ray diffraction (XRD) pattern with at least five of the characteristic peaks at 10.02±0.15° 2-theta, 11.28±0.15° 2-theta, 13.12±0.15° 2-theta, 22.51±0.15° 2-theta, and 22.76±0.15° 2-theta.
6. The calcined crystalline microporous solid of claim 2 , which exhibits an powder X-ray diffraction pattern with at least five of the characteristic peaks at 9.64±0.15° 2-theta, 9.95±0.15° 2-theta, 11.22±0.15° 2-theta, 13.09±0.15° 2-theta, 17.35±0.15° 2-theta, 22.46±0.15° 2-theta, 22.72±0.15° 2-theta, 26.28±0.15° 2-theta, 30.25±0.15° 2-theta, or 32.05±0.15° 2-theta.
7. The calcined crystalline microporous solid of claim 2 , which exhibits an powder X-ray diffraction pattern with at least six characteristic peaks at 9.95±0.15° 2-theta, 11.22±0.15° 2-theta, 13.09±0.15° 2-theta, 17.35±0.15° 2-theta, 22.46±0.15° 2-theta, and 22.72±0.15° 2-theta.
8. The calcined crystalline microporous solid of claim 2 , which exhibits a 27 Al MAS NMR spectrum reflecting a material containing predominantly tetrahedral aluminum.
9. The calcined crystalline microporous solid of claim 2 that is predominantly in the hydrogen form.
10. The calcined crystalline microporous solid of claim 2 , containing at least one type of transition metal or transition metal oxide within its pores.
11. The calcined crystalline microporous solid of claim 10 , wherein the at least one type of transition metal or transition metal oxide comprises scandium, yttrium, titanium, zirconium, vanadium, manganese, chromium, molybdenum, tungsten, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or a mixture thereof.
12. The calcined crystalline microporous solid of claim 2 , containing at least one cation of a Group 1, Group 2, or Group 8 metal.
13. The calcined crystalline microporous solid of claim 12 , wherein the Group 1, Group 2, or Group 8 metal is a rare earth metal, Mn, Ca, Mg, Zn, Cd, Pt, Pd, Ni, Co, Ti, Al, Sn, Fe, or a mixture thereof.
14. The calcined crystalline microporous solid of claim 1 having an HEU framework topology which exhibits an XRD pattern having at least five of the characteristic peaks at 9.64°±0.15° 2-theta; 9.95°±0.15° 2-theta; 11.22°±0.15° 2-theta; 13.09°±0.15° 2-theta; 17.35°±0.15° 2-theta; 22.46°±0.15° 2-theta; 22.72°±0.15° 2-theta; 26.28°±0.15° 2-theta; 30.25°±0.15° 2-theta; and 32.05°±0.15° 2-theta.
15. The calcined crystalline microporous solid of claim 14 having an HEU framework topology which exhibits an XRD pattern in which the at least five major peaks include those at 9.95°±0.15° 2-theta; 11.22°±0.15° 2-theta; 22.46°±0.15° 2-theta; and 22.72°±0.15° 2-theta.
16. The calcined crystalline microporous solid of claim 1 , wherein the atomic ratio of (a) silicon to (b) aluminum, boron, gallium, hafnium, iron, tin, titanium, indium, vanadium, zirconium, or combination thereof is in a range of from about 7.3 to about 12.3.
17. The calcined crystalline microporous solid of claim 1 , which exhibits a powder X-ray diffraction (XRD) pattern with at least five of the characteristic peaks at 10.02±0.15° 2-theta, 11.28±0.15° 2-theta, 13.12±0.15° 2-theta, 13.42±0.15° 2-theta, 17.38±0.15° 2-theta, 22.51±0.15° 2-theta, 22.76±0.15° 2-theta, 26.44±0.15° 2-theta, 28.29±0.15° 2-theta, or 30.35±0.15° 2-theta.
18. The calcined crystalline microporous solid of claim 17 , which exhibits a powder X-ray diffraction (XRD) pattern in which the at least five characteristic peaks include those at 10.02±0.15° 2-theta, 11.28±0.15° 2-theta, 22.51±0.15° 2-theta, and 22.76±0.15° 2-theta.
19. The calcined crystalline microporous solid of claim 1 , which exhibits an powder X-ray diffraction pattern with at least seven of the characteristic peaks at 9.64±0.15° 2-theta, 9.95±0.15° 2-theta, 11.22±0.15° 2-theta, 13.09±0.15° 2-theta, 17.35±0.15° 2-theta, 22.46±0.15° 2-theta, 22.72±0.15° 2-theta, 26.28±0.15° 2-theta, 30.25±0.15° 2-theta, or 32.05±0.15° 2-theta.
20. The calcined crystalline microporous solid of claim 1 , which exhibits an powder X-ray diffraction pattern with at least six characteristic peaks at 9.95±0.15° 2-theta, 11.22±0.15° 2-theta, 13.09±0.15° 2-theta, 17.35±0.15° 2-theta, 22.46±0.15° 2-theta, and 22.72±0.15° 2-theta.
21. The calcined crystalline microporous solid of claim 1 that is predominantly in the hydrogen form.
22. The calcined crystalline microporous solid of claim 1 , containing at least one type of transition metal or transition metal oxide within its pores.
23. The calcined crystalline microporous solid of claim 22 , wherein the at least one type of transition metal or transition metal oxide comprises scandium, yttrium, titanium, zirconium, vanadium, manganese, chromium, molybdenum, tungsten, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or a mixture thereof.
24. The calcined crystalline microporous solid of claim 1 , containing at least one cation of a Group 1, Group 2, or Group 8 metal.
25. The calcined crystalline microporous solid of claim 24 , wherein the Group 1, Group 2, or Group 8 metal is a rare earth metal, Mn, Ca, Mg, Zn, Cd, Pt, Pd, Ni, Co, Ti, Al, Sn, Fe, or a mixture thereof.
26. A process using a crystalline microporous solid of claim 1 , the process comprising carbonylating DME with CO at low temperatures, reducing NOx with methane, cracking, dehydrogenating, converting paraffins to aromatics, MTO, isomerizing xylenes, disproportionating toluene, alkylating aromatic hydrocarbons, oligomerizing alkenes, aminating lower alcohols, separating and sorbing lower alkanes, hydrocracking a hydrocarbon, dewaxing a hydrocarbon feedstock, isomerizing an olefin, producing a higher molecular weight hydrocarbon from lower molecular weight hydrocarbon, reforming a hydrocarbon, converting a lower alcohol or other oxygenated hydrocarbon to produce an olefin products, reducing the content of an oxide of nitrogen contained in a gas stream in the presence of oxygen, or separating nitrogen from a nitrogen-containing gas mixture by contacting the respective feedstock with the crystalline microporous solid of claim 1 under conditions sufficient to affect the named transformation.