Synthesis of SAPO-11 and MgAPO-11 Molecular Sieves in Water-Butanol Biphase Media

Abstract

Abstract: SAPO-11 and MgAPO-11 molecular sieves were synthesized in water-butanol biphase media. The water-butanol biphase media favored the incorporation of Si into SAPO-11 and the formation of more acid sites. Therefore, the Pt catalyst supported on the SAPO-11 synthesized in the biphase medium exhibited much higher catalytic activity for the hydroisomerization of n-dodecane than that supported on the SAPO-11 synthesized in an aqueous medium. In contrast, the water-butanol biphase media were unfavorable for the Mg substitution into the framework, and thus the acid sites and the catalytic activity of Pt/MgAPO-11 decreased.

Key words: SAPO-11, MgAPO-11, water-butanol biphase medium, platinum, n-dodecane, hydroisomerization

YANG Xiaomei;XU Zhusheng;MA Huaijun;XU Yunpeng;TIAN Zhijian;LIN Liwu. Synthesis of SAPO-11 and MgAPO-11 Molecular Sieves in Water-Butanol Biphase Media[J]. Chinese Journal of Catalysis, 2007, 28(3): 187-189.

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Synthesis of SAPO-11 and MgAPO-11 Molecular Sieves in Water-Butanol Biphase Media

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