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Surface properties of ZSM-5 modified by phosphorus |
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| Authors: | B Viswanathan Alex C Pulikottil |
| Affiliation: | (1) Department of Chemistry, Indian Institute of Technology, 600036 Madras, India |
| Abstract: | Phosphorus modification of ZSM-5 leads to extra framework P5+ and probably incorporation of +3 valence state of P in the framework. The resulting system has increased Brønsted acidity. Theoretical calculations also favour the postulate that phosphorus in +3 valence state can be incorporated into the lattice. |
| Keywords: | ZSM-5 pyridine adsorption X |
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