A Review of Molybdenum Catalysts for Synthesis Gas Conversion to Alcohols: Catalysts, Mechanisms and Kinetics
Recent literature on synthesis gas conversion to higher alcohols over Mo-based catalysts is reviewed. Density functional theory calculations show that Mo-CO adsorption is weakened by C, P, or S ligands and this facilitates CO dissociation, either directly on Mo 2 C, or by H-assisted dissociation on...
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| Veröffentlicht in: | Catalysis reviews. Science and engineering 2012-01, Vol.54 (1), p.41-132 |
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| creator | Zaman, Sharif Smith, Kevin J. |
| description | Recent literature on synthesis gas conversion to higher alcohols over Mo-based catalysts is reviewed. Density functional theory calculations show that Mo-CO adsorption is weakened by C, P, or S ligands and this facilitates CO dissociation, either directly on Mo
2
C, or by H-assisted dissociation on MoS
2
, Mo
2
C, and MoP. Consequently, Mo-based catalysts have high hydrocarbon selectivity unless they are promoted with alkali metals and/or Group VIII metals. Promoted MoS
2
and MoP have alcohol selectivities of ∼80 C atom % (CO
2
-free basis) at typical operating conditions (5-8 MPa, H
2
/CO = 2-1, 537-603 K), whereas on promoted Mo
2
C, alcohol selectivities are ∼60%. The kinetics of the synthesis gas conversion reactions over Mo-based catalysts have mostly been described by empirical power law models and the alcohol and hydrocarbon product distributions are consistent with a CO insertion mechanism for chain growth. |
| doi_str_mv | 10.1080/01614940.2012.627224 |
| format | Article |
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2
C, or by H-assisted dissociation on MoS
2
, Mo
2
C, and MoP. Consequently, Mo-based catalysts have high hydrocarbon selectivity unless they are promoted with alkali metals and/or Group VIII metals. Promoted MoS
2
and MoP have alcohol selectivities of ∼80 C atom % (CO
2
-free basis) at typical operating conditions (5-8 MPa, H
2
/CO = 2-1, 537-603 K), whereas on promoted Mo
2
C, alcohol selectivities are ∼60%. The kinetics of the synthesis gas conversion reactions over Mo-based catalysts have mostly been described by empirical power law models and the alcohol and hydrocarbon product distributions are consistent with a CO insertion mechanism for chain growth.</description><identifier>ISSN: 0161-4940</identifier><identifier>EISSN: 1520-5703</identifier><identifier>DOI: 10.1080/01614940.2012.627224</identifier><identifier>CODEN: CRSEC9</identifier><language>eng</language><publisher>Colchester: Taylor & Francis Group</publisher><subject>Alcohols ; Carbon dioxide ; Catalysis ; Catalysts ; Chemistry ; CO adsorption ; CO dissociation ; Conversion ; DFT ; Exact sciences and technology ; General and physical chemistry ; Molecules ; Molybdenum ; Molybdenum disulfide ; promoters ; Reaction kinetics ; Selectivity ; Surface physical chemistry ; Synthesis gas ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Catalysis reviews. Science and engineering, 2012-01, Vol.54 (1), p.41-132</ispartof><rights>Copyright Taylor & Francis Group, LLC 2012</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Taylor & Francis Ltd. 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c500t-79ec92037654eff0c649db943d000496419ce6679d5d63029c321af504644c2f3</citedby><cites>FETCH-LOGICAL-c500t-79ec92037654eff0c649db943d000496419ce6679d5d63029c321af504644c2f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/01614940.2012.627224$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/01614940.2012.627224$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,4024,27923,27924,27925,59647,60436</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25433428$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Zaman, Sharif</creatorcontrib><creatorcontrib>Smith, Kevin J.</creatorcontrib><title>A Review of Molybdenum Catalysts for Synthesis Gas Conversion to Alcohols: Catalysts, Mechanisms and Kinetics</title><title>Catalysis reviews. Science and engineering</title><description>Recent literature on synthesis gas conversion to higher alcohols over Mo-based catalysts is reviewed. Density functional theory calculations show that Mo-CO adsorption is weakened by C, P, or S ligands and this facilitates CO dissociation, either directly on Mo
2
C, or by H-assisted dissociation on MoS
2
, Mo
2
C, and MoP. Consequently, Mo-based catalysts have high hydrocarbon selectivity unless they are promoted with alkali metals and/or Group VIII metals. Promoted MoS
2
and MoP have alcohol selectivities of ∼80 C atom % (CO
2
-free basis) at typical operating conditions (5-8 MPa, H
2
/CO = 2-1, 537-603 K), whereas on promoted Mo
2
C, alcohol selectivities are ∼60%. The kinetics of the synthesis gas conversion reactions over Mo-based catalysts have mostly been described by empirical power law models and the alcohol and hydrocarbon product distributions are consistent with a CO insertion mechanism for chain growth.</description><subject>Alcohols</subject><subject>Carbon dioxide</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Chemistry</subject><subject>CO adsorption</subject><subject>CO dissociation</subject><subject>Conversion</subject><subject>DFT</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Molecules</subject><subject>Molybdenum</subject><subject>Molybdenum disulfide</subject><subject>promoters</subject><subject>Reaction kinetics</subject><subject>Selectivity</subject><subject>Surface physical chemistry</subject><subject>Synthesis gas</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><issn>0161-4940</issn><issn>1520-5703</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kU1r3DAQhkVpoduk_6AHUSj0EG9GH5atXsqyNB8kodCPs1FkiVWQpVTjTfC_r80mLfTQ01ye951hHkLeMVgzaOEUmGJSS1hzYHyteMO5fEFWrOZQ1Q2Il2S1INXCvCZvEO8AQAqlV2TY0G_uIbhHmj29yXG67V3aD3RrRhMnHJH6XOj3KY07hwHpuUG6zenBFQw50THTTbR5lyN--ps5oTfO7kwKOCA1qadXIbkxWDwmr7yJ6N4-zSPy8-zLj-1Fdf31_HK7ua5sDTBWjXZWcxCNqqXzHqySur_VUvTL3VpJpq1TqtF93SsBXFvBmfE1SCWl5V4ckY-H3vuSf-0djt0Q0LoYTXJ5jx0DzttWccZn9P0_6F3elzRf12nWNk2rdDND8gDZkhGL8919CYMp09zULQq6ZwXdoqA7KJhjH566DVoTfTHJBvyT5bUUQvJ25j4fuJDmbw_mMZfYd6OZYi7PIfHfTb8BFWyYZA</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Zaman, Sharif</creator><creator>Smith, Kevin J.</creator><general>Taylor & Francis Group</general><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20120101</creationdate><title>A Review of Molybdenum Catalysts for Synthesis Gas Conversion to Alcohols: Catalysts, Mechanisms and Kinetics</title><author>Zaman, Sharif ; Smith, Kevin J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c500t-79ec92037654eff0c649db943d000496419ce6679d5d63029c321af504644c2f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Alcohols</topic><topic>Carbon dioxide</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Chemistry</topic><topic>CO adsorption</topic><topic>CO dissociation</topic><topic>Conversion</topic><topic>DFT</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Molecules</topic><topic>Molybdenum</topic><topic>Molybdenum disulfide</topic><topic>promoters</topic><topic>Reaction kinetics</topic><topic>Selectivity</topic><topic>Surface physical chemistry</topic><topic>Synthesis gas</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zaman, Sharif</creatorcontrib><creatorcontrib>Smith, Kevin J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Catalysis reviews. Science and engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zaman, Sharif</au><au>Smith, Kevin J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Review of Molybdenum Catalysts for Synthesis Gas Conversion to Alcohols: Catalysts, Mechanisms and Kinetics</atitle><jtitle>Catalysis reviews. Science and engineering</jtitle><date>2012-01-01</date><risdate>2012</risdate><volume>54</volume><issue>1</issue><spage>41</spage><epage>132</epage><pages>41-132</pages><issn>0161-4940</issn><eissn>1520-5703</eissn><coden>CRSEC9</coden><abstract>Recent literature on synthesis gas conversion to higher alcohols over Mo-based catalysts is reviewed. Density functional theory calculations show that Mo-CO adsorption is weakened by C, P, or S ligands and this facilitates CO dissociation, either directly on Mo
2
C, or by H-assisted dissociation on MoS
2
, Mo
2
C, and MoP. Consequently, Mo-based catalysts have high hydrocarbon selectivity unless they are promoted with alkali metals and/or Group VIII metals. Promoted MoS
2
and MoP have alcohol selectivities of ∼80 C atom % (CO
2
-free basis) at typical operating conditions (5-8 MPa, H
2
/CO = 2-1, 537-603 K), whereas on promoted Mo
2
C, alcohol selectivities are ∼60%. The kinetics of the synthesis gas conversion reactions over Mo-based catalysts have mostly been described by empirical power law models and the alcohol and hydrocarbon product distributions are consistent with a CO insertion mechanism for chain growth.</abstract><cop>Colchester</cop><pub>Taylor & Francis Group</pub><doi>10.1080/01614940.2012.627224</doi><tpages>92</tpages></addata></record> |
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| subjects | Alcohols Carbon dioxide Catalysis Catalysts Chemistry CO adsorption CO dissociation Conversion DFT Exact sciences and technology General and physical chemistry Molecules Molybdenum Molybdenum disulfide promoters Reaction kinetics Selectivity Surface physical chemistry Synthesis gas Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | A Review of Molybdenum Catalysts for Synthesis Gas Conversion to Alcohols: Catalysts, Mechanisms and Kinetics |
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