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Catalytic activity of MnTUD-1 for liquid phase oxidation of ethylbenzene with tert-butyl hydroperoxide |
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| Authors: | Gaffar Imran Muthusamy Poomalai Pachamuthu Rajamanickam Maheswari Anand Ramanathan S J Sardhar Basha |
| Affiliation: | 1. Department of Chemistry, Anna University, Chennai, Tamil Nadu, 600026, India 2. Center for Environmentally Beneficial Catalysis (CEBC), The University of Kansas, Lawrence, KS, 66047, USA 3. Department of Chemistry, Anna University of Technology Madurai, Ramanathapuram Campus, Ramanathapuram, Tamil Nadu, India |
| Abstract: | Manganese was incorporated into silica matrix of TUD-1 using tetraethylene glycol (TEG) as the template. Three samples with Si/Mn ratio of 115, 44 and 18 were prepared and characterized by various techniques. MnTUD-1 is shown to be mesoporous with tetrahedrally coordinated Mn when Si/Mn?=?115; and nano-particles of manganese oxides are visible at higher loading of manganese (Si/Mn?=?44 and 18). The catalytic activity of MnTUD-1 was explored in the liquid-phase oxidation of ethylbenzene with tert-butylhydroperoxide (TBHP) as oxidant. Influence of various reaction parameters such as time, Si/Mn ratio, oxidant and solvent were studied. Finally the catalytic activity also compared with well-known microporous and mesoporous catalysts like MnAlPO-5, Mn containing MCM-41, MCM-48 and SBA-15. |
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