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- Lee, Jae Sung
- Eco-friendly Catalysis & Energy Lab.
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Thermal and chemical stability of titanium-substituted MCM-41
- Alternative Title
- Thermal and chemical stability of titanium-substituted MCM-41
- Author(s)
- Rhee, Chang Houn, Lee, Jae Sung
- Issued Date
- 1996-08
- Citation
- CATALYSIS LETTERS, v.40, no.3-4, pp.261 - 264
- Abstract
- The thermal and chemical stability of a titanium-substituted MCM41 (TiMCM-41) with Si/Ti mole ratio of 39 and pore diameter of 2.4 nm was studied with the small-angle X-ray diffraction and X-ray absorption near-edge structure techniques. The TiMCM-41 was stable in helium flow below 1273 K and under gas-phase reaction conditions of ethanol dehydrogenation (ethanol/O-2 = 1 mol/mol, 373-723 K). Under liquid-phase reaction conditions of phenol hydroxylation (phenol/35% H2O2/acetone in moles = 3 : 1 :7, 333 K), however, it lost the MCM-41 structure and titanium was leached out of the silicalite framework
- Publisher
- SPRINGER
- ISSN
- 1011-372X
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