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

Qintong Huang; Ningyue Chen; Lichen Liu; Karen S. Arias; Sara Iborra; Xianfeng Yi; Chao Ma; Weichi Liang; Anmin Zheng; Chuanqi Zhang; Jibo Hu; Zilin Cai; Yi Liu; Jiuxing Jiang; Avelino Corma

doi:10.1039/D0SC04044D

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

Qintong Huang,^ab Ningyue Chen,^a Lichen Liu,^b Karen S. Arias,^b Sara Iborra,

^b Xianfeng Yi,^c Chao Ma,^d Weichi Liang,^a Anmin Zheng,

^c Chuanqi Zhang,^a Jibo Hu,^a Zilin Cai,^a Yi Liu,^e Jiuxing Jiang

*^a and Avelino Corma

*^bf

Author affiliations

* Corresponding authors

^a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
E-mail: jiangjiux@mail.sysu.edu.cn

^b Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
E-mail: acorma@itq.upv.es

^c State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, P. R. China

^d Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian 116024, Liaoning, China

^e ZhongShan AKDM Biological Technology Co., Ltd., Zhongshan, P. R. China

^f School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China

Abstract

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.

Chemical Science

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

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

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