IT1063551B - Paraffin dehydrogenation to olefins - using catalyst contg. gallium, indium and/or thallium, added to platinum and alkali metal on alumina - Google Patents
Paraffin dehydrogenation to olefins - using catalyst contg. gallium, indium and/or thallium, added to platinum and alkali metal on aluminaInfo
- Publication number
- IT1063551B IT1063551B IT2452976A IT2452976A IT1063551B IT 1063551 B IT1063551 B IT 1063551B IT 2452976 A IT2452976 A IT 2452976A IT 2452976 A IT2452976 A IT 2452976A IT 1063551 B IT1063551 B IT 1063551B
- Authority
- IT
- Italy
- Prior art keywords
- olefins
- press
- alkali metal
- added
- atmos
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Dehydrogenation of 5-20 C paraffin hydrocarbons to the corresp. olefins takes place by contacting the paraffins with a catalyst contg. an active Al2O3 support, 0.2-1wt. % applied Pt, followed by 0.2-2wt. % applied alkali metal, and, in addn., 0.2-1wt. % Ga, In and/or Tl. Contact takes place in H2, at 440-550 degrees C under press. from 1 atmos. to 5 atmos. over-press. Mol. ratio H2/paraffins is 1:1 to 15:1. Vol. velocity of charged initial hydrocarbons is 1-50 hr.-1, w.r.t. liquid raw material. Olefins obtd. are useful raw materials for synthetic of rubber, detergents and surfactants. The added Ga, In and/or Tl act as promoters. Yield of olefins is increased e.g. by 10% at higher press. and 1.5-2x at atmos. press. Process selectivity to olefins reaches 93% at conversion 16-16.5%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2452976A IT1063551B (en) | 1976-06-21 | 1976-06-21 | Paraffin dehydrogenation to olefins - using catalyst contg. gallium, indium and/or thallium, added to platinum and alkali metal on alumina |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2452976A IT1063551B (en) | 1976-06-21 | 1976-06-21 | Paraffin dehydrogenation to olefins - using catalyst contg. gallium, indium and/or thallium, added to platinum and alkali metal on alumina |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1063551B true IT1063551B (en) | 1985-02-11 |
Family
ID=11213871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2452976A IT1063551B (en) | 1976-06-21 | 1976-06-21 | Paraffin dehydrogenation to olefins - using catalyst contg. gallium, indium and/or thallium, added to platinum and alkali metal on alumina |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1063551B (en) |
-
1976
- 1976-06-21 IT IT2452976A patent/IT1063551B/en active
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