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Theoretical investigations on the location and structure of lanthanum species in lanthanum-modified ZSM-5 zeolites were carried out. The mechanism of change in the acid properties of the ZSM-5 zeolite after addition of lanthanum cations, and the influence of lanthanum species on the hydrothermal stability of the ZSM-5 zeolite were also studied. Based on optimized cluster models and thermodynamic analyses...
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