Direct synthesis of the organic and Ge free Al containing BOG zeolite (ITQ-47) and its application for transformation of biomass derived molecules

被引：22

作者：

Huang, Qintong ^{[1
,2
]}

Chen, Ningyue ^{[1
]}

Liu, Lichen ^{[2
]}

Arias, Karen S. ^{[2
]}

Iborra, Sara ^{[2
]}

Yi, Xianfeng ^{[3
]}

Ma, Chao ^{[4
]}

Liang, Weichi ^{[1
]}

Zheng, Anmin ^{[3
]}

Zhang, Chuanqi ^{[1
]}

Hu, Jibo ^{[1
]}

Cai, Zilin ^{[1
]}

Liu, Yi ^{[5
]}

Jiang, Jiuxing ^{[1
]}

Corma, Avelino ^{[2
,6
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem, MOE Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Peoples R China

[2] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Ave Naranjos S-N, Valencia 46022, Spain

[3] Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Natl Ctr Magnet Resonance Wuhan, Wuhan Inst Phys & Math,Innovat Acad Precis Measur, Wuhan 430071, Peoples R China

[4] Dalian Univ Technol, Zhang Dayu Sch Chem, Dalian 116024, Liaoning, Peoples R China

[5] ZhongShan AKDM Biol Technol Co Ltd, Zhongshan 528400, Peoples R China

[6] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Henan, Peoples R China

来源：

CHEMICAL SCIENCE | 2020年 / 11卷 / 44期

基金：

中国国家自然科学基金;

关键词：

SEED-ASSISTED SYNTHESIS; AGENT-FREE SYNTHESIS; OSDA-FREE SYNTHESIS; LARGE-PORE ZEOLITE; MTW-TYPE ZEOLITE; ORGANOTEMPLATE-FREE; BOROSILICATE ZEOLITE; HYDROTHERMAL SYNTHESIS; CRYSTAL-STRUCTURE; RAPID SYNTHESIS;

D O I：

10.1039/d0sc04044d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Aluminosilicate boggsite (Si/Al-BOG) has been hydrothermally synthesized without adding organic structure-directing agents (OSDAs) in the synthesis gel using the borosilicogermanium ITQ-47 (Si/B-ITQ-47) zeolite as seeds. The introduction of the costly and environmentally less benign phosphazene organic structure-directing agent is not required to grow the zeolite. Physicochemical characterization experiments show that Si/Al-BOG has good crystallinity, high surface area, tetrahedral Al3+ species, and acid sites. In order to test the catalytic performance of the zeolite, the synthesis of l,l-lactide from l-lactic acid was performed. Si/Al-BOG exhibits 88.2% conversion of l-lactic acid and 83.8% l,l-lactide selectivity, which are better than those of other zeolites studied up to now.

引用

页码：12103 / 12108

页数：6

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