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Enhancement of desulfurization performance of nickel-based adsorbents by hydrogen reduction pretreatment

Paper ID Volume ID Publish Year Pages File Format Full-Text
52191 46866 2011 5 PDF Available
Title
Enhancement of desulfurization performance of nickel-based adsorbents by hydrogen reduction pretreatment
Abstract

Nickel based adsorbents are synthesized by ion-exchanging method. The hydrogen reduction method is used as a pretreatment process to improve the adsorptive ability of Nickel based adsorbents. Hydrogen reduction pretreatment can enhance the adsorptive capacities of Ni-adsorbents. Under the optimized sufficient reduction pretreatment, the saturated capacities of Ni–Y and Ni–MAS (Mesoporous Aluminosilicates) are increased by 14.1% and 65.2%, respectively. The adsorptive selectivity of dibenzothiophene (DBT) to toluene is also improved. However, it is found that insufficient reduction pretreatment can inhibit the adsorption performance of Ni–Y, which is different from Ni–MAS.

Graphical abstractThe DBT adsorption curves on Ni–Y (A) and Ni–MAS (B).Figure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► Nickel based adsorbents were pretreated by hydrogen reduction. ► Sufficient hydrogen reduction pretreatment can enhance the adsorptive abilities. ► The adsorptive selectivity of dibenzothiophene (DBT) to toluene was also increased. ► Insufficient reduction pretreatment will inhibit the adsorption of Ni–Y.

Keywords
Adsorption desulfurization; Nickel-based; Hydrogen pretreatment; Reduction
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Enhancement of desulfurization performance of nickel-based adsorbents by hydrogen reduction pretreatment
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 12, 1 July 2011, Pages 1079–1083
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
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