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 alumina

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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
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IT
Italy
Prior art keywords
olefins
press
alkali metal
added
atmos
Prior art date
Application number
IT2452976A
Other languages
Italian (it)
Original Assignee
Kogan Samson Birisivich
Bursian Natalia Robertovna
Pantusov Boris Vladimirovich
Moroz Alexei Mikhailovich
Orlov Dmitry Sergeevich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kogan Samson Birisivich, Bursian Natalia Robertovna, Pantusov Boris Vladimirovich, Moroz Alexei Mikhailovich, Orlov Dmitry Sergeevich filed Critical Kogan Samson Birisivich
Priority to IT2452976A priority Critical patent/IT1063551B/en
Application granted granted Critical
Publication of IT1063551B publication Critical patent/IT1063551B/en

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  • 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%.
IT2452976A 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 IT1063551B (en)

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

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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)

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