Molecular sieve SSZ-107, its synthesis and use

Patent metadata

Field	Value
Publication number	US-9981853-B2
Application number	US-201715643553-A
Country	US
Kind code	B2
Filing date	Jul 7, 2017
Priority date	Oct 5, 2016
Publication date	May 29, 2018
Grant date	May 29, 2018

Abstract

This disclosure is directed to a novel crystalline molecular sieve designated as SSZ-107, its synthesis using 1,1-diethylpyrrolidinium cations as a structure directing agent, and its use as an adsorbent and/or a catalyst.

First claim

The invention claimed is:

1. A molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including the peaks listed in the following Table:

2-Theta
d-Spacing, nm
Relative Intensity
Peak Broadening

 7.58 ± 0.20
1.166
W
B

 9.59 ± 0.20
0.922
M
B

12.93 ± 0.20
0.684
M
Sh

14.09 ± 0.20
0.628
W
B

16.16 ± 0.20
0.548
W
B

17.78 ± 0.20
0.498
M
Sh

20.03 ± 0.20
0.443
W
B

20.74 ± 0.20
0.428
VS
B

22.04 ± 0.20
0.403
W
Sh

22.51 ± 0.20
0.395
W
Sh

23.26 ± 0.20
0.382
W
B

25.18 ± 0.20
0.353
W
B

26.05 ± 0.20
0.342
M
Sh

27.89 ± 0.20
0.320
W
B

30.30 ± 0.20
0.295
M
B

30.82 ± 0.20
0.290
S
B

31.47 ± 0.20
0.284
W
B.

2. The molecular sieve of claim 1 , and having a composition comprising the molar relationship:

SiO 2 /Al 2 O 3
5 to 25

Q/SiO 2
>0 to 0.1

M/SiO 2
>0 to 0.1

wherein Q comprises 1,1-diethylpyrrolidinium cations and M is a Group 1 or Group 2 metal.

3. The molecular sieve of claim 1 , and having a composition comprising the molar relationship:

SiO 2 /Al 2 O 3
5 to 15

Q/SiO 2
>0 to 0.1

M/SiO 2
>0 to 0.1

wherein Q comprises 1,1-diethylpyrrolidinium cations and M is a Group 1 or Group 2 metal.

4. A method of synthesizing the molecular sieve of claim 1 , the method comprising:
(a) preparing a reaction mixture comprising:
(1) a source of silicon oxide;
(2) a source of aluminum oxide;
(3) a source of a Group 1 or Group 2 metal (M);
(4) a structure directing agent (Q) comprising 1,1-diethylpyrrolidinium cations;
(5) hydroxide ions; and
(6) water; and

(b) subjecting the reaction mixture to crystallization conditions sufficient to form crystals of the molecular sieve.

5. The method of claim 4 , wherein the reaction mixture has a composition, in terms of mole ratios, as follows:

SiO 2 /Al 2 O 3
5 to 100

M/SiO 2
0.05 to 1.00

Q/SiO 2
0.05 to 0.50

OH/SiO 2
0.10 to 1.00

H 2 O/SiO 2
10 to 100.

6. The method of claim 4 , wherein the reaction mixture has a composition, in terms of mole ratios, as follows:

SiO 2 /Al 2 O 3
15 to 80

M/SiO 2
0.10 to 0.50

Q/SiO 2
0.10 to 0.35

OH/SiO 2
0.20 to 0.60

H 2 O/SiO 2
10 to 40.

7. The method of claim 4 , wherein the crystallization conditions include a temperature of from 100° C. to 200° C.

8. A molecular sieve having, in its calcined form, an X-ray diffraction pattern including the peaks listed in the following Table:

Assignees

• Chevron Usa Inc

Inventors

• Xie Dan
• Chen Cong-Yan

Classifications

• B01D53/9418

  for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas · CPC title

• B01D53/28

  Selection of materials for use as drying agents · CPC title

• B01D53/02

  by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)} · CPC title

• B01D2253/116

  Molecular sieves other than zeolites · CPC title

• B01J29/72

  containing iron group metals, noble metals or copper · CPC title