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Preparation of Ni–W–P–B amorphous catalyst for the hydrodeoxygenation of p-cresol

Paper ID Volume ID Publish Year Pages File Format Full-Text
49467 46746 2015 5 PDF Available
Title
Preparation of Ni–W–P–B amorphous catalyst for the hydrodeoxygenation of p-cresol
Abstract

•Ni–W–P–B amorphous catalysts were prepared by a modified chemical reduction method.•Ni–W–P–B exhibited high catalytic activity in the HDO of p-cresol.•The deoxygenation degree reached to 100% with a toluene selectivity of 5.1% at 498 K.•Both the HDO reaction temperature and aromatic yield decreased obviously.•Ni–W–P–B also displayed dehydrogenation activity.

Ni–W–P–B amorphous catalysts were prepared by a modified chemical reduction method. The formation of a complex between Ni2 + and NH3·H2O inhibited the reaction rate of Ni2 + with BH4−, leading to a high Ni0 content on the catalyst surface. The effects of Ni/W molar ratio on the catalytic activity in the hydrodeoxygenation (HDO) of p-cresol were studied. The deoxygenation degree reached to 100% with a toluene selectivity of 5.1% at 498 K. The HDO reaction temperature and aromatic yield decreased obviously. Some of toluene was produced from the dehydrogenation of 3-methylcyclohexene. Ni–W–P–B exhibited high HDO activity and dehydrogenation activity.

Graphical abstractNi–W–P–B amorphous catalysts were prepared by a modified chemical reduction method and exhibited high catalytic activity in the HDO of p-cresol. The deoxygenation degree reached to 100% with a toluene selectivity of only 5.1% at 498 K. Both the HDO reaction temperature and aromatic yield decreased obviously. These catalysts also displayed dehydrogenation activity.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Hydrodeoxygenation; Ni–W–P–B; Catalyst preparation; p-Cresol; Bio-oil
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Preparation of Ni–W–P–B amorphous catalyst for the hydrodeoxygenation of p-cresol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 60, 5 February 2015, Pages 50–54
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
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