Catalytic self-etherification of 5-hydroxymethylfurfural to 5,5′(oxy-bis(methylene))bis-2-furfural over zeolite catalysts: effect of pore structure and acidity

Pilan Zhang; Jie Yang; Hualei Hu; Danxin Hu; Jiang Gan; Yexin Zhang; Chunlin Chen; Xiaoqiang Li; Lei Wang; Jian Zhang

doi:10.1039/D0CY00733A

Catalytic self-etherification of 5-hydroxymethylfurfural to 5,5′(oxy-bis(methylene))bis-2-furfural over zeolite catalysts: effect of pore structure and acidity†

Pilan Zhang,‡^ab Jie Yang,‡^a Hualei Hu,

*^a Danxin Hu,^a Jiang Gan,^ac Yexin Zhang,

^ac Chunlin Chen,

^ac Xiaoqiang Li,^d Lei Wang*^ace and Jian Zhang*^ac

Author affiliations

* Corresponding authors

^a Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Ningbo 315201, China
E-mail: huhualei@nimte.ac.cn, wanglei@nimte.ac.cn, jzhang@nimte.ac.cn

^b Nano Science and Technology Institute, University of Science and Technology of China, 166 Renai Road, Suzhou 215123, China

^c University of Chinese Academy of Sciences, Beijing 100049, China

^d School of Environment and Materials Engineering, Yantai University, 32 Qingquan Road, Yantai 264005, China

^e Zhejiang Sugar Energy Technology Co., Ltd., 1818 Zhongguan West Road, Ningbo 315201, China

Abstract

The self-etherification of 5-hydroxymethylfurfural (HMF) to 5,5′(oxy-bis(methylene))bis-2-furfural (OBMF) was investigated on ZSM-5, MCM-22, beta and hierarchical micro–mesoporous ZSM-5 (HMZ) catalysts. The hierarchically structured zeolites exhibited a superior intrinsic activity and good resistance to carbonaceous deposit; the latter could be ascribed to the lower mass transfer barrier in the mesopores of the HMZ catalysts. The structure–activity correlation showed that the catalytic activity mainly originated from one or several specific Brønsted acid sites, providing key clues to design efficient zeolite catalysts for producing OBMF.

Catalysis Science & Technology

Catalytic self-etherification of 5-hydroxymethylfurfural to 5,5′(oxy-bis(methylene))bis-2-furfural over zeolite catalysts: effect of pore structure and acidity†

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Catalytic self-etherification of 5-hydroxymethylfurfural to 5,5′(oxy-bis(methylene))bis-2-furfural over zeolite catalysts: effect of pore structure and acidity

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