University of Oulu

Putrakumar, B.; Seelam, P.K.; Srinivasarao, G.; Rajan, K.; Rajesh, R.; Rao, K.R.; Liang, T. High Performance and Sustainable Copper-Modified Hydroxyapatite Catalysts for Catalytic Transfer Hydrogenation of Furfural. Catalysts 2020, 10, 1045.

High performance and sustainable copper-modified hydroxyapatite catalysts for catalytic transfer hydrogenation of furfural

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Author: Putrakumar, Balla1; Seelam, Prem Kumar2; Srinivasarao, Ginjupalli3;
Organizations: 1College of Rare Earths (CoRE), Jiangxi University of Science and Technology, Ganzhou 341000, China
2Environmental and Chemical Engineering Research Unit, Faculty of Technology, University of Oulu, P.O. Box 4300, 90014 Oulu, Finland
3Department of Basic Science and Humanities, Swarnandhra College of Engineering and Technology, Narasapur 534280, India
4Department of Chemistry, Pondicherry University, Puducherry 605014, India
5Crystal Growth & Nano Research Centre, Department of Physics, Government College (Autonomous), Rajahmundry, Andhra Pradesh 533105, India
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 3.7 MB)
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Language: English
Published: Multidisciplinary Digital Publishing Institute, 2020
Publish Date: 2020-11-20


Designing and developing non-noble metal-based heterogeneous catalysts have a substantial importance in biomass conversion. Meerwein-Ponndorf-Verley (MPV) reaction is a significant pathway for eco-friendly catalytic transfer hydrogenation (CTH) of biomass derived furfural into furfuryl alcohol. In this work, a series of copper-supported hydroxyapatite (HAp) catalysts with different copper loadings (2–20 wt.%) were prepared by a facile impregnation method and tested in the reduction of furfural to furfuryl alcohol using 2-propanol as a hydrogen donor. The structural and chemical properties of the synthesised catalysts were analysed by using various techniques (XRD, N₂ sorption, SEM, TEM, UV-DRS, ICP, FTIR, TPR, TPD-CO₂ and N₂O titration). The effect of copper loading was found to be significant on the total performance of the catalysts. The results demonstrate that 5CuHAp catalyst possess highly dispersed copper particles and high basicity compared to all other catalysts. Overall, 5CuHAp exhibited highest conversion (96%) and selectivity (100%) at 140 °C at 4 h time on stream. The optimised reaction conditions were also determined to gain the high activity.

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Series: Catalysts
ISSN: 2073-4344
ISSN-E: 2073-4344
ISSN-L: 2073-4344
Volume: 10
Issue: 9
Article number: 1045
DOI: 10.3390/catal10091045
Type of Publication: A1 Journal article – refereed
Field of Science: 218 Environmental engineering
215 Chemical engineering
Funding: This research was funded by National Natural Science Foundation of China (Project No.51871114).
Copyright information: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (