Hydrodechlorination of dichlorodifluoromethane on carbon-supported Group VIII noble metal catalysts
Activated carbon‐supported Group VIII noble metals formed CF2Cl2 oligomerization products under hydrodechlorination conditions. All the catalysts underwent deactivation during first 15–20 h on stream at 250°C independent of the H2 partial pressure, with steady‐state activity following the order: Pt...
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| Veröffentlicht in: | Catalysis letters 1999-09, Vol.61 (3-4), p.161-166 |
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| creator | KULKARNI, P. P DESHMUKH, S. S KOVALCHUK, V. I D'ITRI, J. L |
| description | Activated carbon‐supported Group VIII noble metals formed CF2Cl2 oligomerization products under hydrodechlorination conditions. All the catalysts underwent deactivation during first 15–20 h on stream at 250°C independent of the H2 partial pressure, with steady‐state activity following the order: Pt > Pd ≫ Ir > Ru ≈Os ≈ Rh. The Pd/C catalyst exhibited high selectivity toward C2–C3 hydrocarbons (∼75% at CF2Cl2/H2 = 1). For the other catalysts except Pt, CF2=CF2 and CH2=CF2 were the main C2+ products. |
| doi_str_mv | 10.1023/A:1019005813080 |
| format | Article |
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P ; DESHMUKH, S. S ; KOVALCHUK, V. I ; D'ITRI, J. L</creator><creatorcontrib>KULKARNI, P. P ; DESHMUKH, S. S ; KOVALCHUK, V. I ; D'ITRI, J. L</creatorcontrib><description>Activated carbon‐supported Group VIII noble metals formed CF2Cl2 oligomerization products under hydrodechlorination conditions. All the catalysts underwent deactivation during first 15–20 h on stream at 250°C independent of the H2 partial pressure, with steady‐state activity following the order: Pt > Pd ≫ Ir > Ru ≈Os ≈ Rh. The Pd/C catalyst exhibited high selectivity toward C2–C3 hydrocarbons (∼75% at CF2Cl2/H2 = 1). For the other catalysts except Pt, CF2=CF2 and CH2=CF2 were the main C2+ products.</description><identifier>ISSN: 1011-372X</identifier><identifier>EISSN: 1572-879X</identifier><identifier>DOI: 10.1023/A:1019005813080</identifier><language>eng</language><publisher>Dordrecht: Springer</publisher><subject>Activated carbon ; Catalysis ; Catalysts ; Catalytic reactions ; Chemistry ; Deactivation ; Dichlorodifluoromethane ; Exact sciences and technology ; General and physical chemistry ; Hydrodechlorination ; Iridium ; Noble metals ; Oligomerization ; Palladium ; Partial pressure ; Platinum ; Selectivity ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Catalysis letters, 1999-09, Vol.61 (3-4), p.161-166</ispartof><rights>1999 INIST-CNRS</rights><rights>Catalysis Letters is a copyright of Springer, (1999). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c256t-ad7300283665063ebff32e0ffe1825b6cb5d15ae3aaf68393101b9d9322983d03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1957509$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KULKARNI, P. P</creatorcontrib><creatorcontrib>DESHMUKH, S. S</creatorcontrib><creatorcontrib>KOVALCHUK, V. I</creatorcontrib><creatorcontrib>D'ITRI, J. L</creatorcontrib><title>Hydrodechlorination of dichlorodifluoromethane on carbon-supported Group VIII noble metal catalysts</title><title>Catalysis letters</title><description>Activated carbon‐supported Group VIII noble metals formed CF2Cl2 oligomerization products under hydrodechlorination conditions. All the catalysts underwent deactivation during first 15–20 h on stream at 250°C independent of the H2 partial pressure, with steady‐state activity following the order: Pt > Pd ≫ Ir > Ru ≈Os ≈ Rh. The Pd/C catalyst exhibited high selectivity toward C2–C3 hydrocarbons (∼75% at CF2Cl2/H2 = 1). For the other catalysts except Pt, CF2=CF2 and CH2=CF2 were the main C2+ products.</description><subject>Activated carbon</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic reactions</subject><subject>Chemistry</subject><subject>Deactivation</subject><subject>Dichlorodifluoromethane</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hydrodechlorination</subject><subject>Iridium</subject><subject>Noble metals</subject><subject>Oligomerization</subject><subject>Palladium</subject><subject>Partial pressure</subject><subject>Platinum</subject><subject>Selectivity</subject><subject>Theory of reactions, general kinetics. Catalysis. 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| ispartof | Catalysis letters, 1999-09, Vol.61 (3-4), p.161-166 |
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| subjects | Activated carbon Catalysis Catalysts Catalytic reactions Chemistry Deactivation Dichlorodifluoromethane Exact sciences and technology General and physical chemistry Hydrodechlorination Iridium Noble metals Oligomerization Palladium Partial pressure Platinum Selectivity Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Hydrodechlorination of dichlorodifluoromethane on carbon-supported Group VIII noble metal catalysts |
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