Melting-assisted solvent-free synthesis of hierarchical SAPO-34 with enhanced methanol to olefins (MTO) performance†,Catalysis Science & Technology

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Melting-assisted solvent-free synthesis of hierarchical SAPO-34 with enhanced methanol to olefins (MTO) performance†
Catalysis Science & Technology ( IF 4.4 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1039/c7cy02283b
Ziyu Liu _{1,

2,

3,

4,

5} , Shu Ren _{1,

2,

3,

4,

5} , Xing Yu _{1,

2,

3,

4,

5} , Xinqing Chen _{1,

2,

3,

4,

5} , Gang Wang _{1,

2,

3,

4,

5} , Xian Wu _{1,

2,

3,

4,

5} , Gan Yu _{1,

2,

3,

4,

5} , Minghuang Qiu _{1,

2,

3,

4,

5} , Chengguang Yang _{1,

2,

3,

4,

5} , Yuhan Sun _{1,

2,

3,

4,

5}

Affiliation

SAPO-34 zeolite with a butterfly patterned hierarchical pore system and high relative crystallinity was synthesized by a melting-assisted solvent-free route. Oxalic acid in the solid state was used as the etching agent through a facile thermal treatment of the parent SAPO-34. The resultant zeolite exhibited complete methanol conversion, high C₂⁼–C₄⁼ selectivity (>91%) and a long lifetime in the MTO process.

中文翻译：

熔融辅助的无溶剂合成等级SAPO-34，具有增强的甲醇制烯烃（MTO）性能†

通过熔融辅助无溶剂法合成了蝶形分级孔隙系统且相对结晶度较高的SAPO-34沸石。通过对母体SAPO-34进行便捷的热处理，将固态草酸用作蚀刻剂。所得沸石显示出完全的甲醇转化率，高的C ₂⁼ –C ₄⁼选择性（> 91％），并且在MTO工艺中具有较长的使用寿命。

更新日期：2018-01-02

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