Claims
- 1. A process for purifying a gaseous mixture comprising:
- (i) a primary component selected from one or more members of the group consisting of hydrogen selenide and hydrogen telluride, and
- (ii) impurities selected from one or more members of the group consisting of moisture and oxidants, to remove said impurities therefrom, said process comprising:
- contacting the mixture with a scavenger including a support having associated therewith an active scavenging component selected from one or more members of the group consisting of:
- (a) R.sub.3-x AlH.sub.x, wherein x is 0 or 1, and R is an alkyl hydrocarbon radical containing from 1 to 12 carbon atoms; and
- (b) an aluminum chalconide of the corresponding primary component of the gaseous mixture.
- 2. A process according to claim 1, wherein the primary component of the gaseous mixture is hydrogen selenide, and the active scavenging compound is aluminum selenide.
- 3. A process according to claim 1, wherein the primary component of the gaseous mixture is hydrogen telluride, and the active scavenging component aluminum telluride.
- 4. A process according to claim 1, wherein said impurities comprise water.
- 5. A process according to claim 1, wherein said support is selected from the group consisting of: aluminosilicates; alumina; silica; carbon; and macroreticulate polymers.
- 6. A process according to claim 1, wherein said support is alumina.
- 7. A process according to claim 1, wherein said support is a macroreticulate polymer.
- 8. A process according to claim 1, wherein the active scavenging component precursor associated with the support is R.sub.3-x AlH.sub.x, and wherein said precursor is converted to its corresponding aluminum chalconide by reaction with the primary component of the gaseous mixture to be purified.
- 9. A process according to claim 1, wherein said support has a surface area in the range from about 50 to about 1,000 square meters per gram of support.
Parent Case Info
This is a division of U.S. application Ser. No. 80,478 filed July 31, 1987 now U.S. Pat. No. 4,797,227.
US Referenced Citations (4)
Divisions (1)
|
Number |
Date |
Country |
Parent |
80478 |
Jul 1987 |
|