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Direct Catalytic Transformation of Biomass Derivatives into Biofuel Component γ-Valerolactone with Magnetic NiZr Nanoparticles 

 
论文编号:
作者: Li H
刊物名称: ChemPlusChem
所属学科:
论文题目英文: Direct Catalytic Transformation of Biomass Derivatives into Biofuel Component γ-Valerolactone with Magnetic NiZr Nanoparticles
年: Jan 2016
卷: 81
期: 1
页: 135-142
联系作者: Fang Z
收录类别:
影响因子: 3.026
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摘要:

A series of mixed oxide nanoparticles were prepared by a coprecipitation method and characterized by many techniques. Nickel–zirconium oxide catalysts and their partially reduced magnetic counterparts were highly efficient in the direct transformation of biomass derivatives, including ethyl levulinate, fructose, glucose, cellobiose, and carboxymethyl cellulose, into γ-valerolactone (GVL) without the use of an external hydrogen source, producing a maximum GVL yield of 95.2 % at 200 °C for 3 h with hydrogen-reduced magnetic Zr5Ni5 nanoparticles (<20 nm). The acid–base bifunctionality of these nanocatalysts plays a synergic role in the synthesis of GVL in alcohols, whereas appropriate control of the nickel/zirconium molar ratio is able to improve the selectivity towards GVL (≈98 %), along with high formation rates (up to 54.9 mmol g−1 h−1). Moreover, the magnetic Zr5Ni5 nanoparticles were conveniently recovered by means of a magnet for five cycles with almost constant activity.

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