The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content
The work presents the results of studies on α-pinene oxidation over the TS-1 catalysts with different Ti content (in wt%): TS-1_1 (9.92), TS-1_2 (5.42), TS-1_3 (3.39) and TS-1_4 (3.08). No solvent was used in the oxidation studies, and molecular oxygen was used as the oxidizing agent. The effect of...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-12-01
|
| Series: | Materials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1944/14/24/7799 |
| _version_ | 1797502682065272832 |
|---|---|
| author | Agnieszka Wróblewska Jadwiga Grzeszczak Piotr Miądlicki Karolina Kiełbasa Marcin Kujbida Adrianna Kamińska Beata Michalkiewicz |
| author_facet | Agnieszka Wróblewska Jadwiga Grzeszczak Piotr Miądlicki Karolina Kiełbasa Marcin Kujbida Adrianna Kamińska Beata Michalkiewicz |
| author_sort | Agnieszka Wróblewska |
| collection | DOAJ |
| description | The work presents the results of studies on α-pinene oxidation over the TS-1 catalysts with different Ti content (in wt%): TS-1_1 (9.92), TS-1_2 (5.42), TS-1_3 (3.39) and TS-1_4 (3.08). No solvent was used in the oxidation studies, and molecular oxygen was used as the oxidizing agent. The effect of titanium content in the TS-1 catalyst, temperature, reaction time and amount of the catalyst in the reaction mixture on the conversion of α-pinene and the selectivities of appropriate products was investigated. It was found that it is most advantageous to carry out the process of α-pinene oxidation in the presence of the TS-1 catalyst with the titanium content of 5.42 wt% (TS-1_2), at the temperature of 85 °C, for 6 h and with the catalyst TS-1 content in the reaction mixture of 1 wt%. Under these conditions the conversion of α-pinene amounted to 34 mol%, and the selectivities of main products of α-pinene oxidation process were: α-pinene oxide (29 mol%), verbenol (15 mol%) and verbenone (12 mol%). In smaller quantities also campholenic aldehyde, trans-pinocarveol, myrtenal, myrtenol, L-carveol, carvone and 1,2-pinanediol were also formed. These products are of great practical importance in food, cosmetics, perfumery and medicine industries. Kinetic studies were also performed for the studied process. |
| first_indexed | 2024-03-10T03:39:31Z |
| format | Article |
| id | doaj.art-e3df21540c884f049a44f20eac1c30bb |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T03:39:31Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-e3df21540c884f049a44f20eac1c30bb2023-11-23T09:23:19ZengMDPI AGMaterials1996-19442021-12-011424779910.3390/ma14247799The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst ContentAgnieszka Wróblewska0Jadwiga Grzeszczak1Piotr Miądlicki2Karolina Kiełbasa3Marcin Kujbida4Adrianna Kamińska5Beata Michalkiewicz6Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandDepartment of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave, 42, 71-065 Szczecin, PolandThe work presents the results of studies on α-pinene oxidation over the TS-1 catalysts with different Ti content (in wt%): TS-1_1 (9.92), TS-1_2 (5.42), TS-1_3 (3.39) and TS-1_4 (3.08). No solvent was used in the oxidation studies, and molecular oxygen was used as the oxidizing agent. The effect of titanium content in the TS-1 catalyst, temperature, reaction time and amount of the catalyst in the reaction mixture on the conversion of α-pinene and the selectivities of appropriate products was investigated. It was found that it is most advantageous to carry out the process of α-pinene oxidation in the presence of the TS-1 catalyst with the titanium content of 5.42 wt% (TS-1_2), at the temperature of 85 °C, for 6 h and with the catalyst TS-1 content in the reaction mixture of 1 wt%. Under these conditions the conversion of α-pinene amounted to 34 mol%, and the selectivities of main products of α-pinene oxidation process were: α-pinene oxide (29 mol%), verbenol (15 mol%) and verbenone (12 mol%). In smaller quantities also campholenic aldehyde, trans-pinocarveol, myrtenal, myrtenol, L-carveol, carvone and 1,2-pinanediol were also formed. These products are of great practical importance in food, cosmetics, perfumery and medicine industries. Kinetic studies were also performed for the studied process.https://www.mdpi.com/1996-1944/14/24/7799TS-1 catalystoxidationα-pineneα-pinene oxideverbenolverbenone |
| spellingShingle | Agnieszka Wróblewska Jadwiga Grzeszczak Piotr Miądlicki Karolina Kiełbasa Marcin Kujbida Adrianna Kamińska Beata Michalkiewicz The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content Materials TS-1 catalyst oxidation α-pinene α-pinene oxide verbenol verbenone |
| title | The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content |
| title_full | The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content |
| title_fullStr | The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content |
| title_full_unstemmed | The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content |
| title_short | The Studies on α-Pinene Oxidation over the TS-1. The Influence of the Temperature, Reaction Time, Titanium and Catalyst Content |
| title_sort | studies on α pinene oxidation over the ts 1 the influence of the temperature reaction time titanium and catalyst content |
| topic | TS-1 catalyst oxidation α-pinene α-pinene oxide verbenol verbenone |
| url | https://www.mdpi.com/1996-1944/14/24/7799 |
| work_keys_str_mv | AT agnieszkawroblewska thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT jadwigagrzeszczak thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT piotrmiadlicki thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT karolinakiełbasa thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT marcinkujbida thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT adriannakaminska thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT beatamichalkiewicz thestudiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT agnieszkawroblewska studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT jadwigagrzeszczak studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT piotrmiadlicki studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT karolinakiełbasa studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT marcinkujbida studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT adriannakaminska studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent AT beatamichalkiewicz studiesonapineneoxidationoverthets1theinfluenceofthetemperaturereactiontimetitaniumandcatalystcontent |