Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt
In this paper, we present the conditions for modifying the natural clinoptilolite zeolite and giving it catalytic properties by embedding in its structure active centers in the form of metals, such as iron, copper, and cobalt. Clinoptilolite as a catalyst matrix was subjected to ammonium exchange (M...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-11-01
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| Series: | Catalysis Communications |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1566736722001145 |
| _version_ | 1811238915300917248 |
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| author | Natalia Sobuś Magdalena Król Marcin Piotrowski Barbara Michorczyk Izabela Czekaj Kamil Kornaus Anita Trenczek-Zając Sebastian Komarek |
| author_facet | Natalia Sobuś Magdalena Król Marcin Piotrowski Barbara Michorczyk Izabela Czekaj Kamil Kornaus Anita Trenczek-Zając Sebastian Komarek |
| author_sort | Natalia Sobuś |
| collection | DOAJ |
| description | In this paper, we present the conditions for modifying the natural clinoptilolite zeolite and giving it catalytic properties by embedding in its structure active centers in the form of metals, such as iron, copper, and cobalt. Clinoptilolite as a catalyst matrix was subjected to ammonium exchange (Me-H-CLI) and hierarchization with hydrochloric acid (Me-da-CLI). Clinoptilolite was also used without modification of its structure (Me-0-CLI). The obtained zeolite catalysts were characterized by means of XRD, BET, DRS UV-VIS and FT-IR analyzes as well as Raman spectroscopy. Zeolite catalysts were used for the conversion of dihydroxyacetone (DHA) based biomass. The catalytic process was carried out by the one-pot method. On the basis of the analysis with the use of high-performance liquid chromatography (HPLC), the reaction products were determined together with their selectivity, yield and also conversion of raw material. During the conversion of DHA, the following organic acids were obtained: lactic acid (LAC), formic acid (FA), pyruvic acid (PAC), acetic acid (AD), and levulinic acid (LA). The highest lactic acid yield (66.2%) was achieved with Co-0-CLI, formic acid (93.6%) with Cu-H-CLI and 87.4% acetic acid with Fe-da-CLI. |
| first_indexed | 2024-04-12T12:50:39Z |
| format | Article |
| id | doaj.art-7b8005cae68340d79a5eaf445fe094ab |
| institution | Directory Open Access Journal |
| issn | 1873-3905 |
| language | English |
| last_indexed | 2024-04-12T12:50:39Z |
| publishDate | 2022-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Catalysis Communications |
| spelling | doaj.art-7b8005cae68340d79a5eaf445fe094ab2022-12-22T03:32:29ZengElsevierCatalysis Communications1873-39052022-11-01171106509Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobaltNatalia Sobuś0Magdalena Król1Marcin Piotrowski2Barbara Michorczyk3Izabela Czekaj4Kamil Kornaus5Anita Trenczek-Zając6Sebastian Komarek7Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland; Corresponding author.Faculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, PolandFaculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Kraków, PolandFaculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Kraków, PolandFaculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Kraków, PolandFaculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, PolandFaculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, PolandFaculty of Materials Science and Ceramic, AGH University of Science and Technology, 30 Mickiewicza Av., 30-059 Krakow, PolandIn this paper, we present the conditions for modifying the natural clinoptilolite zeolite and giving it catalytic properties by embedding in its structure active centers in the form of metals, such as iron, copper, and cobalt. Clinoptilolite as a catalyst matrix was subjected to ammonium exchange (Me-H-CLI) and hierarchization with hydrochloric acid (Me-da-CLI). Clinoptilolite was also used without modification of its structure (Me-0-CLI). The obtained zeolite catalysts were characterized by means of XRD, BET, DRS UV-VIS and FT-IR analyzes as well as Raman spectroscopy. Zeolite catalysts were used for the conversion of dihydroxyacetone (DHA) based biomass. The catalytic process was carried out by the one-pot method. On the basis of the analysis with the use of high-performance liquid chromatography (HPLC), the reaction products were determined together with their selectivity, yield and also conversion of raw material. During the conversion of DHA, the following organic acids were obtained: lactic acid (LAC), formic acid (FA), pyruvic acid (PAC), acetic acid (AD), and levulinic acid (LA). The highest lactic acid yield (66.2%) was achieved with Co-0-CLI, formic acid (93.6%) with Cu-H-CLI and 87.4% acetic acid with Fe-da-CLI.http://www.sciencedirect.com/science/article/pii/S1566736722001145ClinoptiloliteMesoporosityHierarchizationCatalysisCarboxylic acids |
| spellingShingle | Natalia Sobuś Magdalena Król Marcin Piotrowski Barbara Michorczyk Izabela Czekaj Kamil Kornaus Anita Trenczek-Zając Sebastian Komarek Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt Catalysis Communications Clinoptilolite Mesoporosity Hierarchization Catalysis Carboxylic acids |
| title | Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt |
| title_full | Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt |
| title_fullStr | Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt |
| title_full_unstemmed | Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt |
| title_short | Conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron, copper, and cobalt |
| title_sort | conversion of dihydroxyacetone to carboxylic acids on pretreated clinoptilolite modified with iron copper and cobalt |
| topic | Clinoptilolite Mesoporosity Hierarchization Catalysis Carboxylic acids |
| url | http://www.sciencedirect.com/science/article/pii/S1566736722001145 |
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