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Deactivation and reactivation of the KOH impregnated Fe–Cu–Ni/AC catalyst for hydrolysis of carbon disulfide

Paper ID Volume ID Publish Year Pages File Format Full-Text
49438 46745 2014 4 PDF Available
Title
Deactivation and reactivation of the KOH impregnated Fe–Cu–Ni/AC catalyst for hydrolysis of carbon disulfide
Abstract

•Fresh, deactivated and reactivated catalysts were characterized by various methods.•The mechanism of deactivation of catalyst for CS2 hydrolysis was analyzed.•The influences of reactivation methods on catalytic activity were studied.

This paper describes the low-temperature removal of carbon disulfide (CS2) from gas streams via the catalyst (KOH impregnated Fe–Cu–Ni/AC) prepared by the sol–gel method. Deactivation and reactivation of catalyst were studied as well as the desulfurization production analysis. The catalysts were characterized by SEM–EDS, FT-IR, and N2 adsorption/desorption techniques. Elemental sulfur, metal sulfide, and sulfate are ultimately generated on the surface of the catalyst. The consumption of basic sites and the blocking of pores are considered to be the main reasons for the catalyst deactivation. The catalytic activity can be recovered after immersing KOH solution under ultrasonication.

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Keywords
JJWKPURADFRFRB-UHFFFAOYSA-N; QGJOPFRUJISHPQ-UHFFFAOYSA-NDeactivation; Reactivation; Carbon disulfide; Hydrolysis
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Deactivation and reactivation of the KOH impregnated Fe–Cu–Ni/AC catalyst for hydrolysis of carbon disulfide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 56, 5 November 2014, Pages 106–109
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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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
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