The Effect of Regeneration Conditions on the Properties of CeO2 Desulfurization Sorbent in SO2 Atmosphere

The Effect of Regeneration Conditions on the Properties of CeO2 Desulfurization Sorbent in SO2 Atmosphere

CeO2 desulfurization sorbent was prepared by calcination of Ce(NO3)3 ● 6H2O and the effect of regeneration conditions on its properties in SO2 atmosphere was investigated in a fixed bed reactor. The regeneration conversion and the yield of elemental sulfur for CeO2 desulfurization sorbent were teste...

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Veröffentlicht in:Materials science forum 2017-03, Vol.896, p.155-161
Hauptverfasser: Yu, Jun Ming, Ju, Shang Guan, An, Jia, Mi, Jie, Wang, Hui Qing, Miao, Mao Qian, Yang, Lei
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Conversion
Desulfurizing
Electron microscopes
Fixed bed reactors
Regeneration
Sulfur
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container_start_page 155
container_title Materials science forum
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creator Yu, Jun Ming
Ju, Shang Guan
An, Jia
Mi, Jie
Wang, Hui Qing
Miao, Mao Qian
Yang, Lei
description CeO2 desulfurization sorbent was prepared by calcination of Ce(NO3)3 ● 6H2O and the effect of regeneration conditions on its properties in SO2 atmosphere was investigated in a fixed bed reactor. The regeneration conversion and the yield of elemental sulfur for CeO2 desulfurization sorbent were tested and calculated. And the composition and the morphology of CeO2 desulfurization sorbent before and after regeneration were obtained by X-ray diffraction and scanning electron microscope. It was found that the main components of the regeneration products of Ce2O desulfurization sorbent were solid CeO2 and gaseous elemental S in SO2 atmosphere. The optimum regeneration condition of CeO2 desulfurization sorbent is that the regeneration temperature of 750 °C and the SO2 concentration of 4.25 %, under which the CeO2 desulfurization sorbent shows the higher regeneration conversion of 96 % and the yield of elemental sulfur of 68.95 wt. %.
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subjects Conversion
Desulfurizing
Electron microscopes
Fixed bed reactors
Regeneration
Sulfur
title The Effect of Regeneration Conditions on the Properties of CeO2 Desulfurization Sorbent in SO2 Atmosphere
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