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Preparation of a highly dispersed Ni2P/Al2O3 catalyst using Ni–Al–CO32 − layered double hydroxide as a nickel precursor

Paper ID Volume ID Publish Year Pages File Format Full-Text
49399 46741 2016 4 PDF Available
Title
Preparation of a highly dispersed Ni2P/Al2O3 catalyst using Ni–Al–CO32 − layered double hydroxide as a nickel precursor
Abstract

•A novel method to prepare Ni2P/Al2O3 catalyst using Ni–Al layered double hydroxide.•The method includes a microwave–hydrothermal (MWH) instead of an impregnation.•The MWH promotes the formation of smaller and highly dispersed Ni2P particles.•The Ni2P obtained shows higher activity compared to catalysts by an impregnation.

We now report a novel method for the synthesis of a Ni2P/Al2O3-LW catalyst using Ni–Al–CO32 − layered double hydroxide (Ni–Al–CO32 −-LDH) as a nickel precursor and ammonium dihydrogen phosphate as a phosphorous precursor under microwave–hydrothermal (MWH) treatment for 20 min at 363 K. The catalysts were characterized by XRD, TPR, BET, CO uptake and XPS. MWH treatment can promote the formation of smaller and highly dispersed Ni2P particles and a higher surface area of the catalyst. The Ni2P/Al2O3-LW shows hydrodesulfurization activity of 99.3%, which was much higher than that found for the Ni2P/Al2O3 catalyst obtained via an impregnation method.

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Keywords
Nickel phosphide (Ni2P); Hydrodesulfurization (HDS); Layered double hydroxide (LDH); Microwave–hydrothermal treatment
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Preparation of a highly dispersed Ni2P/Al2O3 catalyst using Ni–Al–CO32 − layered double hydroxide as a nickel precursor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 73, 5 January 2016, Pages 50–53
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
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Full-text PDF Download
Online Support
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