Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 3, Issue 8, Pages 1708-1714Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.5b00535
Keywords
Biomass; Hydrogenation; Levulinic acid; Magnetic catalyst; gamma-Valerolactone
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Funding
- Natural Science Foundation of Guangdong Province [2014A030310386]
- National Basic Research Program of China (973 Program) [2012CB215304]
- National Natural Science Foundation of China [21472189]
- Open Fund of Key Laboratory of Renewable Energy, Chinese Academy of Sciences [y507ja1001]
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A low-cost and magnetic catalyst derived from a hydrotalcite precursor was developed for selective hydrogenation of levulinic acid (LA) into gamma-valerolactone (GVL) in a methanol solvent An excellent GVL yield of 98.1% with full LA conversion was achieved at 415 K over a magnetic and recyclable Ni4.59Cu1Mg1.58Al1.96Fe0.70 catalyst The specific textural and chemical characteristics of prepared samples were identified by ICP-AES, XRD, XPS, NH3-TPD, Py-IR, and nitrogen physisorption. Various parameters such as Ni/Cu molar ratio, reduction temperature, and reaction solvent played a great role in LA hydrogenation. The recycling experiments revealed that reactivated Ni4.59Cu1Mg1.58Al1.96Fe0.70 maintained excellent activity, stability, and magnetism after being used five times, which made Ni4.59Cu1Mg1.58Al1.96Fe0.70 a potential catalyst for the production of GVL in industry.
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