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Nickel substituted copper chromite spinels: Preparation, characterization and catalytic activity in the oxidation reaction of ethylbenzene

Paper ID Volume ID Publish Year Pages File Format Full-Text
51862 46857 2008 5 PDF Available
Title
Nickel substituted copper chromite spinels: Preparation, characterization and catalytic activity in the oxidation reaction of ethylbenzene
Abstract

Nickel substituted copper chromite spinels (Cu1−xNixCr2O4, where x = 0, 0.25, 0.5, 0.75 and 1.0) were prepared by homogeneous co-precipitation method. The materials were characterized in detail by X-ray diffraction, BET surface area, scanning electron microscopy, energy dispersive X-ray analysis and FTIR spectroscopy. Powder X-ray diffraction pattern reveals the spinel phase formation and energy dispersive X-ray analysis indicates the correct stoichiometry. Liquid-phase oxidation of ethylbenzene using TBHP (70%) as an oxidant shows that the catalysts are highly active. Leaching studies performed by hot filtration experiments and reusability studies show that nickel substituted copper chromite spinels are stable under the reaction conditions.

Keywords
Spinels; Ethylbenzene; Acetophenone
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Nickel substituted copper chromite spinels: Preparation, characterization and catalytic activity in the oxidation reaction of ethylbenzene
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 13, 20 July 2008, Pages 2149–2153
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
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