In the study of heteroatom zeolite, Fe incorporated has displayed special properties,such as increasing selectivity of aromatics and alkenes, slow deactivation, and good antipoisoning ability. For the secondarily synt...In the study of heteroatom zeolite, Fe incorporated has displayed special properties,such as increasing selectivity of aromatics and alkenes, slow deactivation, and good antipoisoning ability. For the secondarily synthesized zeolite containing Fe, it has been an interesting subject to study the iron states and to distinguish the iron on the framework sites fom that on the nonframework sites. This note studies the secondarily展开更多
文摘In the study of heteroatom zeolite, Fe incorporated has displayed special properties,such as increasing selectivity of aromatics and alkenes, slow deactivation, and good antipoisoning ability. For the secondarily synthesized zeolite containing Fe, it has been an interesting subject to study the iron states and to distinguish the iron on the framework sites fom that on the nonframework sites. This note studies the secondarily