Synthesis of SAPO-41 and SAPO-44 and their performance as acidic catalysts in the conversion of methanol to hydrocarbons
作者： Jiesheng Chen , John M. Thomas
DOI: 10.1007/BF00764086
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摘要: Crystalline samples of medium-pore SAPO-41 and small-pore SAPO-44 have been prepared by respective use diethylamine cyclohexylamine as templates. They were characterized using X-ray powder diffraction, DTA-TGA diffuse reflectance infra-red Fourier transform (DRIFT) spectroscopy. has larger void volume stronger framework acidity than SAPO-41. Whereas the products methanol conversion on are dominated dimethylether, main ethene propene. Nevertheless, is less active SAPO-34 (which possesses a similar structure to SAPO-44) suffers deactivation in about an hour at 450°C.
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