Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide
Carbon; Catalysts; Coal; Hydrogen peroxide; Impregnation; Peroxides; Pyrolysis; Styrene; Sulfonation; Titanium dioxide; High selectivity; High surface area; Large pore volume; Loaded coals; Oxidation of styrene; Pyrolysis temperature; Short durations; Styrene oxidation; Oxidation
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Walter de Gruyter GmbH
2023
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my.uniten.dspace-234782023-05-29T14:40:52Z Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide Nurhadi M. Chandren S. Yuan L.S. Ho C.S. Indra Mahlia T.M. Nur H. 56272885600 35728193100 57391331700 36634410500 56997615100 6602169746 Carbon; Catalysts; Coal; Hydrogen peroxide; Impregnation; Peroxides; Pyrolysis; Styrene; Sulfonation; Titanium dioxide; High selectivity; High surface area; Large pore volume; Loaded coals; Oxidation of styrene; Pyrolysis temperature; Short durations; Styrene oxidation; Oxidation Titania-loaded coal char catalyst was successfully prepared. The preparation steps involved pyrolysis of low rank coal at different temperatures and durations, sulfonation, impregnation of titanium(IV) isopropoxide, and then heating at 110�C. It is found that the coal chars' surfaces were rough after sulfonation and impregnation, while large pore volume, high surface area and carbon composition were observed at low pyrolysis temperature for short duration. These properties contributed to high selectivity towards benzaldehyde (> 90%) at 600�C (0.5-2 h)) in styrene oxidation using aqueous hydrogen peroxide as the oxidant. � 2017 by De Gruyter 2017. Final 2023-05-29T06:40:51Z 2023-05-29T06:40:51Z 2017 Article 10.1515/ijcre-2016-0088 2-s2.0-85011990258 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85011990258&doi=10.1515%2fijcre-2016-0088&partnerID=40&md5=44711171eb798436d30bb1b306ecf905 https://irepository.uniten.edu.my/handle/123456789/23478 15 1 45 55 Walter de Gruyter GmbH Scopus |
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Carbon; Catalysts; Coal; Hydrogen peroxide; Impregnation; Peroxides; Pyrolysis; Styrene; Sulfonation; Titanium dioxide; High selectivity; High surface area; Large pore volume; Loaded coals; Oxidation of styrene; Pyrolysis temperature; Short durations; Styrene oxidation; Oxidation |
| author2 |
56272885600 |
| author_facet |
56272885600 Nurhadi M. Chandren S. Yuan L.S. Ho C.S. Indra Mahlia T.M. Nur H. |
| format |
Article |
| author |
Nurhadi M. Chandren S. Yuan L.S. Ho C.S. Indra Mahlia T.M. Nur H. |
| spellingShingle |
Nurhadi M. Chandren S. Yuan L.S. Ho C.S. Indra Mahlia T.M. Nur H. Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| author_sort |
Nurhadi M. |
| title |
Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| title_short |
Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| title_full |
Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| title_fullStr |
Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| title_full_unstemmed |
Titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| title_sort |
titania-loaded coal char as catalyst in oxidation of styrene with aqueous hydrogen peroxide |
| publisher |
Walter de Gruyter GmbH |
| publishDate |
2023 |
| _version_ |
1806426023951073280 |
| score |
13.214268 |