SCM-10 molecular sieve, process for producing same and use thereof

Patent metadata

Field	Value
Publication number	US-10399068-B2
Application number	US-201615347094-A
Country	US
Kind code	B2
Filing date	Nov 9, 2016
Priority date	Nov 9, 2015
Publication date	Sep 3, 2019
Grant date	Sep 3, 2019

Abstract

The present invention relates to an SCM-10 molecular sieve, a process for producing same and use thereof. The molecular sieve has an empirical chemical composition as illustrated by the formula “the first oxide·the second oxide”, wherein the ratio by molar of the first oxide to the second oxide is less than 40, the first oxide is at least one selected from the group consisting of silica and germanium dioxide, the second oxide is at least one selected from the group consisting of alumina, boron oxide, iron oxide, gallium oxide, titanium oxide, rare earth oxides, indium oxide and vanadium oxide. The molecular sieve has specific XRD pattern and can be used as an adsorbent or a catalyst for converting an organic compound.

First claim

We claim:

1. An SCM-10 molecular sieve, having an empirical chemical composition of “first oxide second oxide”, wherein a ratio by molar of the first oxide to the second oxide is less than 40, the first oxide is at least one compound selected from the group consisting of silica and germanium dioxide, the second oxide is at least one selected from the group consisting of alumina, boron oxide, iron oxide, gallium oxide, titanium oxide, rare earth oxides, indium oxide, and vanadium oxide, and the SCM-10 molecular sieve in a calcined form has an X ray diffraction pattern as substantially illustrated in the following table,

2θ (°) (a)
d-spacing (Å) (b)
Relative intensity (I/I 0 × 100)

6.50
13.59
w-s

7.98
11.07
s-vs

9.36
9.45
m

11.27
7.85
w-m

20.02
4.43
s

22.65
3.92
vs

24.13
3.69
vs

26.45
3.37
w-m

27.92
3.19
w-m

35.95
2.50
m

(a) ±0.3°,

(b) changed with 2θ.

2. The SCM-10 molecular sieve according to claim 1 , wherein the X-ray diffraction pattern further includes X-ray diffraction peaks as substantially illustrated in the following table,

2θ (°) (a)
d-spacing (Å) (b)
Relative intensity (I/I 0 × 100)

14.12
6.27
w

16.12
5.49
w

18.82
4.71
w

37.52
2.40
w

(a) ±0.3°,

(b) changed with 2θ.

3. The SCM-10 molecular sieve of claim 1 , wherein the ratio by molar of the first oxide to the second oxide is 3 or more and less than 40.

4. The SCM-10 molecular sieve of claim 1 , wherein the ratio by molar of the first oxide to the second oxide is in the range of from 5 to 30.

5. An SCM-10 molecular sieve composition, comprising the SCM-10 molecular sieve according to claim 1 and a binder.

6. A method for converting an organic compound, comprising contacting the organic compound with a catalyst comprising the SCM-10 molecular sieve composition according to claim 5 .

7. The method according to claim 6 , wherein the catalyst is at least one selected from the group consisting of an alkane isomerization catalyst, a catalyst for the alkylation between olefins and aromatics, an olefin isomerization catalyst, a naphtha cracking catalyst, a catalyst for the alkylation between alcohols and aromatics, an olefin hydration catalyst, and an aromatic disproportionation catalyst.

8. The method for separating a component from a mixture, comprising contacting the mixture with an adsorbent comprising the SCM-10 molecular sieve composition according to claim 5 .

9. A method for converting an organic compound, comprising contacting the organic compound with a catalyst comprising the SCM-10 molecular sieve according to claim 1 .

10. The method according to claim 9 , wherein the catalyst is at least one selected from the group consisting of an alkane isomerization catalyst, a catalyst for the alkylation between olefins and aromatics, an olefin isomerization catalyst, a naphtha cracking catalyst, a catalyst for the alkylation between alcohols and aromatics, an olefin hydration catalyst, and an aromatic disproportionation catalyst.

11. The method for separating a component from a mixture, comprising contacting the mixture with an adsorbent comprising the SCM-10 molecular sieve according to claim 1 .

12. A process for producing the SCM-10 molecular sieve of claim 1 , comprising a step of crystallizing a mixture comprising a first oxide source for the first oxide, a second oxide source for the second oxide, an organic template and water to obtain the molecular sieve, and optionally, a step of calcining the obtained molecular sieve, wherein the organic template is selected from a compound represented by the following formula (A), a quaternary ammonium salt thereof and a quaternary ammonium hydroxide thereof.

13. The process according to claim 12 , wherein the mixture does not contain an alkaline source.

14. The process according to claim 12 , wherein the mixture does not contain a fluorine source.

15. The process according to claim 12 , wherein the mixture has a pH=6-14.

16. The process according to claim 12 , wherein the first oxide source is at least one selected from the group consisting of a silicon source and a germanium source, the second oxide source is at least one selected from the group consisting of an aluminum source, a boron source, an iron source, a gallium source, a titanium source, a rare earth source, an indium source and, a vanadium source, the ratio by molar between the first oxide source (calculated as the first oxide), the second oxide source (calculated as the second oxide), the organic template and water is 1:(0.025-1/3):(0.01-1.0):(4-50), with the proviso that the ratio by molar of the first oxide source (calculated as the first oxide) to the second oxide source (calculated as the second oxide) is less than 40.

17. The process of claim 12 , wherein the organic template is 4-dimethylamino pyridine,

wherein R 1 and R 2 is identical to or different from each other, each independently representi

Assignees

• China Petroleum & Chem Corp
• Shanghai Res Inst Petrochemical Tech Sinopec
• Sinopec Res Inst Petroleum

Inventors

• Yang Weimin
• Wang Zhendong
• Sun Hongmin
• Zhang Bin
• Luo Yi

Classifications

• C01B39/48 Primary

  using at least one organic template directing agent · CPC title

• C01B39/06

  Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements {, i.e. by direct or secondary synthesis} · CPC title

• B01J29/047 Primary

  Germanosilicates; Aluminogermanosilicates (B01J29/005 takes precedence) · CPC title

• B01J29/86 Primary

  Borosilicates; Aluminoborosilicates {(B01J29/005 takes precedence)} · CPC title

• C07C2/66

  Catalytic processes · CPC title