Direct conversion of glycerol to n -propanol over a tandem catalytic dehydration–hydrogenation system
The direct dehydration–hydrogenation of glycerol to n -propanol over a tandem catalytic system containing HZSM-5 (Si/Al ∼13) and supported Ni catalysts was studied under atmospheric H 2 . Complete glycerol conversion to acrolein and propionaldehyde (>82% selectivity) was optimized for dehydration...
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| Veröffentlicht in: | Catalysis science & technology 2022-08, Vol.12 (16), p.5053-5066 |
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| container_title | Catalysis science & technology |
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| creator | Solos, Thanasak Methiritthikul, Napanot Homla-or, Chanakran Duangchan, Preedawan Choojun, Kittisak Sooknoi, Tawan |
| description | The direct dehydration–hydrogenation of glycerol to
n
-propanol over a tandem catalytic system containing HZSM-5 (Si/Al ∼13) and supported Ni catalysts was studied under atmospheric H
2
. Complete glycerol conversion to acrolein and propionaldehyde (>82% selectivity) was optimized for dehydration in the first bed (HZSM-5) at 300 °C. Ni/MgO, Ni/SiO
2
, Ni/Mg–Al-LDH, Ni/TiO
2
, and Ni/Al
2
O
3
(20 wt% Ni loading) were used as hydrogenation catalysts in the second bed at 175 °C. Without the interference of glycerol from the first bed, the acrolein and propionaldehyde produced were hydrogenated to
n
-propanol (∼90% selectivity). Nevertheless, propanoic acid was observed as a minor product from water reduction by propionaldehyde. The cause of deactivation was investigated for the second beds (Ni/SiO
2
), where the formation of high MW products was evidenced. While the catalysts can be simply regenerated by calcining in air at 450 °C, HZSM-5¦20Ni/Al
2
O
3
with high Ni dispersion provides a higher stability and
n
-propanol yield (>73%) compared to other tandem catalysts. |
| doi_str_mv | 10.1039/D2CY00671E |
| format | Article |
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n
-propanol over a tandem catalytic system containing HZSM-5 (Si/Al ∼13) and supported Ni catalysts was studied under atmospheric H
2
. Complete glycerol conversion to acrolein and propionaldehyde (>82% selectivity) was optimized for dehydration in the first bed (HZSM-5) at 300 °C. Ni/MgO, Ni/SiO
2
, Ni/Mg–Al-LDH, Ni/TiO
2
, and Ni/Al
2
O
3
(20 wt% Ni loading) were used as hydrogenation catalysts in the second bed at 175 °C. Without the interference of glycerol from the first bed, the acrolein and propionaldehyde produced were hydrogenated to
n
-propanol (∼90% selectivity). Nevertheless, propanoic acid was observed as a minor product from water reduction by propionaldehyde. The cause of deactivation was investigated for the second beds (Ni/SiO
2
), where the formation of high MW products was evidenced. While the catalysts can be simply regenerated by calcining in air at 450 °C, HZSM-5¦20Ni/Al
2
O
3
with high Ni dispersion provides a higher stability and
n
-propanol yield (>73%) compared to other tandem catalysts.</description><identifier>ISSN: 2044-4753</identifier><identifier>EISSN: 2044-4761</identifier><identifier>DOI: 10.1039/D2CY00671E</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Aluminum oxide ; Catalysts ; Catalytic converters ; Dehydration ; Direct conversion ; Glycerol ; Hydrogenation ; Magnesium ; Nickel ; Propionic acid ; Selectivity ; Silicon dioxide ; Titanium dioxide</subject><ispartof>Catalysis science & technology, 2022-08, Vol.12 (16), p.5053-5066</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c189t-769031f7f3619da58dae305d830877291ff7e7119b7844c0bca41279177e05b73</citedby><cites>FETCH-LOGICAL-c189t-769031f7f3619da58dae305d830877291ff7e7119b7844c0bca41279177e05b73</cites><orcidid>0000-0002-3874-0384</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Solos, Thanasak</creatorcontrib><creatorcontrib>Methiritthikul, Napanot</creatorcontrib><creatorcontrib>Homla-or, Chanakran</creatorcontrib><creatorcontrib>Duangchan, Preedawan</creatorcontrib><creatorcontrib>Choojun, Kittisak</creatorcontrib><creatorcontrib>Sooknoi, Tawan</creatorcontrib><title>Direct conversion of glycerol to n -propanol over a tandem catalytic dehydration–hydrogenation system</title><title>Catalysis science & technology</title><description>The direct dehydration–hydrogenation of glycerol to
n
-propanol over a tandem catalytic system containing HZSM-5 (Si/Al ∼13) and supported Ni catalysts was studied under atmospheric H
2
. Complete glycerol conversion to acrolein and propionaldehyde (>82% selectivity) was optimized for dehydration in the first bed (HZSM-5) at 300 °C. Ni/MgO, Ni/SiO
2
, Ni/Mg–Al-LDH, Ni/TiO
2
, and Ni/Al
2
O
3
(20 wt% Ni loading) were used as hydrogenation catalysts in the second bed at 175 °C. Without the interference of glycerol from the first bed, the acrolein and propionaldehyde produced were hydrogenated to
n
-propanol (∼90% selectivity). Nevertheless, propanoic acid was observed as a minor product from water reduction by propionaldehyde. The cause of deactivation was investigated for the second beds (Ni/SiO
2
), where the formation of high MW products was evidenced. While the catalysts can be simply regenerated by calcining in air at 450 °C, HZSM-5¦20Ni/Al
2
O
3
with high Ni dispersion provides a higher stability and
n
-propanol yield (>73%) compared to other tandem catalysts.</description><subject>Aluminum oxide</subject><subject>Catalysts</subject><subject>Catalytic converters</subject><subject>Dehydration</subject><subject>Direct conversion</subject><subject>Glycerol</subject><subject>Hydrogenation</subject><subject>Magnesium</subject><subject>Nickel</subject><subject>Propionic acid</subject><subject>Selectivity</subject><subject>Silicon dioxide</subject><subject>Titanium dioxide</subject><issn>2044-4753</issn><issn>2044-4761</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpFkM1KAzEUhYMoWGo3PkHAnTCam2Qmk6W09QcKbnThakgzSZ0yTWqSCrPzHXxDn8TUit7NPQe--8NB6BzIFRAmr2d0-kJIJWB-hEaUcF5wUcHxny7ZKZrEuCa5uARS0xFazbpgdMLau3cTYucd9hav-kGb4HucPHa42Aa_VS5bnxmscFKuNRusVVL9kDqNW_M6tEGlPP718bnXfmXcj8dxiMlsztCJVX00k98-Rs-386fpfbF4vHuY3iwKDbVMhagkYWCFZRXIVpV1qwwjZVszUgtBJVgrjACQS1FzrslSKw5USBDCkHIp2BhdHPbmn992JqZm7XfB5ZMNFYRyyYGxTF0eKB18jMHYZhu6jQpDA6TZZ9n8Z8m-AfOwZ20</recordid><startdate>20220816</startdate><enddate>20220816</enddate><creator>Solos, Thanasak</creator><creator>Methiritthikul, Napanot</creator><creator>Homla-or, Chanakran</creator><creator>Duangchan, Preedawan</creator><creator>Choojun, Kittisak</creator><creator>Sooknoi, Tawan</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-3874-0384</orcidid></search><sort><creationdate>20220816</creationdate><title>Direct conversion of glycerol to n -propanol over a tandem catalytic dehydration–hydrogenation system</title><author>Solos, Thanasak ; Methiritthikul, Napanot ; Homla-or, Chanakran ; Duangchan, Preedawan ; Choojun, Kittisak ; Sooknoi, Tawan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c189t-769031f7f3619da58dae305d830877291ff7e7119b7844c0bca41279177e05b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Aluminum oxide</topic><topic>Catalysts</topic><topic>Catalytic converters</topic><topic>Dehydration</topic><topic>Direct conversion</topic><topic>Glycerol</topic><topic>Hydrogenation</topic><topic>Magnesium</topic><topic>Nickel</topic><topic>Propionic acid</topic><topic>Selectivity</topic><topic>Silicon dioxide</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Solos, Thanasak</creatorcontrib><creatorcontrib>Methiritthikul, Napanot</creatorcontrib><creatorcontrib>Homla-or, Chanakran</creatorcontrib><creatorcontrib>Duangchan, Preedawan</creatorcontrib><creatorcontrib>Choojun, Kittisak</creatorcontrib><creatorcontrib>Sooknoi, Tawan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Catalysis science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Solos, Thanasak</au><au>Methiritthikul, Napanot</au><au>Homla-or, Chanakran</au><au>Duangchan, Preedawan</au><au>Choojun, Kittisak</au><au>Sooknoi, Tawan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Direct conversion of glycerol to n -propanol over a tandem catalytic dehydration–hydrogenation system</atitle><jtitle>Catalysis science & technology</jtitle><date>2022-08-16</date><risdate>2022</risdate><volume>12</volume><issue>16</issue><spage>5053</spage><epage>5066</epage><pages>5053-5066</pages><issn>2044-4753</issn><eissn>2044-4761</eissn><abstract>The direct dehydration–hydrogenation of glycerol to
n
-propanol over a tandem catalytic system containing HZSM-5 (Si/Al ∼13) and supported Ni catalysts was studied under atmospheric H
2
. Complete glycerol conversion to acrolein and propionaldehyde (>82% selectivity) was optimized for dehydration in the first bed (HZSM-5) at 300 °C. Ni/MgO, Ni/SiO
2
, Ni/Mg–Al-LDH, Ni/TiO
2
, and Ni/Al
2
O
3
(20 wt% Ni loading) were used as hydrogenation catalysts in the second bed at 175 °C. Without the interference of glycerol from the first bed, the acrolein and propionaldehyde produced were hydrogenated to
n
-propanol (∼90% selectivity). Nevertheless, propanoic acid was observed as a minor product from water reduction by propionaldehyde. The cause of deactivation was investigated for the second beds (Ni/SiO
2
), where the formation of high MW products was evidenced. While the catalysts can be simply regenerated by calcining in air at 450 °C, HZSM-5¦20Ni/Al
2
O
3
with high Ni dispersion provides a higher stability and
n
-propanol yield (>73%) compared to other tandem catalysts.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/D2CY00671E</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-3874-0384</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2044-4753 |
| ispartof | Catalysis science & technology, 2022-08, Vol.12 (16), p.5053-5066 |
| issn | 2044-4753 2044-4761 |
| language | eng |
| recordid | cdi_proquest_journals_2702494133 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Aluminum oxide Catalysts Catalytic converters Dehydration Direct conversion Glycerol Hydrogenation Magnesium Nickel Propionic acid Selectivity Silicon dioxide Titanium dioxide |
| title | Direct conversion of glycerol to n -propanol over a tandem catalytic dehydration–hydrogenation system |
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