Molecular sieve boron SSZ-113
Provided is a novel synthetic crystalline borongermanosilicate molecular sieve material, designated boron SSZ-113. The boron SSZ-113 can be synthesized using 1,3 bis(2,3-dimethyl-1H-imidazolium) propane dications as a structure directing agent. The boron SSZ-113 may be used in organic compound conversion reactions and/or sorptive processes, and in particular, in reforming reactions.
1 . A method of synthesizing a molecular sieve having in its as-synthesized form, a powder X-ray diffraction pattern including the following peaks:
2-Theta (a)
d-Spacing, nm
Relative Intensity (b)
7.87
1.123
W
8.84
1.000
S
9.63
0.918
M
15.81
0.560
VS
16.85
0.526
VS
18.20
0.487
M
20.92
0.424
S
23.40
0.380
VS
23.78
0.374
VS
24.71
0.360
W
26.12
0.341
S
27.47
0.324
W
and with the molecular sieve comprising boron and germanium comprising:
(a) providing a reaction mixture comprising:
(1) a source of silicon oxide;
(2) a source of germanium;
(3) a source of boron that comprises boric acid;
(4) 1,3 bis(2,3-dimethyl-1H-imidazolium) propane dications (Q);
(5) a source of fluoride ions; and
(6) water; and
(b) subjecting the reaction mixture to crystallization conditions sufficient to form crystals of the molecular sieve.
2 . The method of claim 1 , wherein the reaction mixture has a composition, in terms of molar ratios, as follows:
TO 2 /B 2 O 3
≥10
Q/TO 2
0.05 to 0.50
F/TO 2
0.10 to 1.00
H 2 O/TO 2 + B 2 O 3
3 to 8
wherein T is a tetravalent element comprising silicon and germanium.
3 . The method of claim 1 , wherein the reaction mixture has a composition, in terms of molar ratios, as follows:
TO 2 /B 2 O 3
15 to 20
Q/TO 2
0.05 to 0.50
F/TO 2
0.15 to 0.50
H 2 O/TO 2 + B 2 O 3
4 to 6
wherein T is a tetravalent element comprising silicon and germanium.
4 . The method of claim 1 , wherein the source of silicon oxide comprises a zeolite Y having a SiO 2 /Al 2 O 3 ratio of at least 250.
5 . The method of claim 1 , wherein the crystallization conditions include a temperature of from 125° C. to 200° C.