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Some observations of HZSM-5 zeolite dehydroxylation |
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| Authors: | T Romotowski J Komorek R J Grzechowiak and J Grzechowiak |
| Abstract: | The dehydroxylation of 3610 cm–1 OH groups in HZSM-5 zeolite and in two Ni and Mo modified catalysts containing the same zeolite has been studied at 673 K. The presence of water vapor is a necessary condition of dehydroxylation, the extent of which depends on the number and duration of breaks consisting in cooling to room temperature and reheating to 673 K with evacuation.             OH     HZSM-5,   Ni Mo-    ,   3610 cm–1, 673  .    ,    673 . |
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