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1. (US20160001273) Processes using molecular sieve SSZ-98
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Claims

1. In a process for separating gases using a membrane containing a molecular sieve, the improvement comprising using as the molecular sieve an ERI framework type molecular sieve having a SiO 2/Al 2O 3 mole ratio of from 15 to 50, and having, in its calcined form, an X-ray diffraction substantially as shown in the following Table:
[TABLE-US-00008]
 
2-Theta d-spacing (nm) Relative Intensity
 
 7.76 ± 0.20 1.138 VS
 9.78 ± 0.20 0.904 W
11.79 ± 0.20 0.750 W
13.45 ± 0.20 0.658 VS
14.07 ± 0.20 0.629 W
15.51 ± 0.20 0.571 W
16.61 ± 0.20 0.533 W
19.50 ± 0.20 0.455 W
20.54 ± 0.20 0.432 S
21.39 ± 0.20 0.415 W
23.37 ± 0.20 0.380 M
23.73 ± 0.20 0.375 S
24.92 ± 0.20 0.357 W
 
and wherein the molecular sieve has either a rod-like crystal morphology or a plate crystal morphology.
2. A process for the production of light olefins from a feedstock comprising an oxygenate or mixture of oxygenates, the process comprising reacting the feedstock at effective conditions over a catalyst comprising an ERI framework type molecular sieve having a SiO 2/Al 2O 3 mole ratio of from 15 to 50, and having, in its calcined form, an X-ray diffraction pattern substantially as shown in the following Table:
[TABLE-US-00009]
 
2-Theta d-spacing (nm) Relative Intensity
 
 7.76 ± 0.20 1.138 VS
 9.78 ± 0.20 0.904 W
11.79 ± 0.20 0.750 W
13.45 ± 0.20 0.658 VS
14.07 ± 0.20 0.629 W
15.51 ± 0.20 0.571 W
16.61 ± 0.20 0.533 W
19.50 ± 0.20 0.455 W
20.54 ± 0.20 0.432 S
21.39 ± 0.20 0.415 W
23.37 ± 0.20 0.380 M
23.73 ± 0.20 0.375 S
24.92 ± 0.20 0.357 W
 
and wherein the molecular sieve has either a rod-like crystal morphology or a plate crystal morphology.
3. The process of claim 2, wherein the light olefins are ethylene, propylene, butylene, or mixtures thereof.
4. The process of claim 2, wherein the oxygenate is methanol, dimethyl ether, or a mixture thereof.
5. A process for producing methylamine or dimethylamine comprising reacting methanol, dimethyl ether, or a mixture thereof, and ammonia in the gaseous phase in the presence of a catalyst comprising an ERI framework type molecular sieve having a SiO 2/Al 2O 3 mole ratio of from 15 to 50, and having, in its calcined form, an X-ray diffraction pattern substantially as shown in the following Table:
[TABLE-US-00010]
 
2-Theta d-spacing (nm) Relative Intensity
 
 7.76 ± 0.20 1.138 VS
 9.78 ± 0.20 0.904 W
11.79 ± 0.20 0.750 W
13.45 ± 0.20 0.658 VS
14.07 ± 0.20 0.629 W
15.51 ± 0.20 0.571 W
16.61 ± 0.20 0.533 W
19.50 ± 0.20 0.455 W
20.54 ± 0.20 0.432 S
21.39 ± 0.20 0.415 W
23.37 ± 0.20 0.380 M
23.73 ± 0.20 0.375 S
24.92 ± 0.20 0.357 W
 
and wherein the molecular sieve has either a rod-like crystal morphology or a plate crystal morphology.
6. A process for the reduction of oxides of nitrogen contained in a gas stream wherein the process comprises contacting the gas stream with an ERI framework type molecular sieve having a SiO 2/Al 2O 3 mole ratio of from 15 to 50, and having, in its calcined form, an X-ray diffraction pattern substantially as shown in the following Table:
[TABLE-US-00011]
 
2-Theta d-spacing (nm) Relative Intensity
 
 7.76 ± 0.20 1.138 VS
 9.78 ± 0.20 0.904 W
11.79 ± 0.20 0.750 W
13.45 ± 0.20 0.658 VS
14.07 ± 0.20 0.629 W
15.51 ± 0.20 0.571 W
16.61 ± 0.20 0.533 W
19.50 ± 0.20 0.455 W
20.54 ± 0.20 0.432 S
21.39 ± 0.20 0.415 W
23.37 ± 0.20 0.380 M
23.73 ± 0.20 0.375 S
24.92 ± 0.20 0.357 W
 
and wherein the molecular sieve has either a rod-like crystal morphology or a plate crystal morphology.
7. The process of claim 6, wherein the molecular sieve contains a metal or metal ions capable of catalyzing the reduction of the oxides of nitrogen.
8. The process of claim 7, wherein the metal is lanthanum, chromium, manganese, iron, cobalt, rhodium, nickel, palladium, platinum, copper, zinc, or mixtures thereof.
9. The process of claim 6, wherein the gas stream is the exhaust stream of an internal combustion engine.
10. A process for treating a cold-start engine exhaust gas stream containing hydrocarbons and other pollutants consisting of flowing the engine exhaust gas stream over a molecular sieve bed which preferentially adsorbs the hydrocarbons over water to provide a first exhaust stream, and flowing the first exhaust gas stream over a catalyst to convert any residual hydrocarbons and other pollutants contained in the first exhaust gas stream to innocuous products and provide a treated exhaust stream and discharging the treated exhaust stream into the atmosphere, the molecular sieve bed comprising an ERI framework type molecular sieve having a SiO 2/Al 2O 3 mole ratio of from 15 to 50, and having, in its calcined form, an X-ray diffraction pattern substantially as shown in the following Table:
[TABLE-US-00012]
 
2-Theta d-spacing (nm) Relative Intensity
 
 7.76 ± 0.20 1.138 VS
 9.78 ± 0.20 0.904 W
11.79 ± 0.20 0.750 W
13.45 ± 0.20 0.658 VS
14.07 ± 0.20 0.629 W
15.51 ± 0.20 0.571 W
16.61 ± 0.20 0.533 W
19.50 ± 0.20 0.455 W
20.54 ± 0.20 0.432 S
21.39 ± 0.20 0.415 W
23.37 ± 0.20 0.380 M
23.73 ± 0.20 0.375 S
24.92 ± 0.20 0.357 W
 
and wherein the molecular sieve has either a rod-like crystal morphology or a plate crystal morphology.
11. The process of claim 10, wherein the engine is an internal combustion engine.
12. The process of claim 11, wherein the internal combustion engine is an automobile engine.
13. The process of claim 10, wherein the engine is fueled by a hydrocarbon fuel.
14. The process of claim 10, wherein the molecular sieve has deposited on it a metal selected from the group consisting of ruthenium, rhodium, palladium, platinum, and mixtures thereof.
15. The process of claim 14, wherein the metal is palladium, platinum, or a mixture thereof.