Effect of calcination temperature on desulfurization performance over Mn x O y supported on MCM-41 at low temperatures

Effect of calcination temperature on desulfurization performance over Mn x O y supported on... Adsorbents consisting of Mn x O y supported on MCM-41 have been prepared at different calcination temperatures by the ultrasonic assisted impregnation method. The physical properties of these adsorbents have been characterized by thermogravimetric and differential thermal gravimetry, X-ray diffraction, Fourier-transform infrared spectroscopy, temperature-programmed reduction, and nitrogen sorption analysis. The results showed that the adsorbent calcined at 550 °C exhibited the best desulfurization performance. The saturated H2S capacity reached 28.65 mg/g at an adsorption temperature of 25 °C. The saturated H2S capacities of the different adsorbents decreased in the order of their calcination temperatures as follows: 550 > 450 > 350 > 650 °C. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Effect of calcination temperature on desulfurization performance over Mn x O y supported on MCM-41 at low temperatures

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2421-2
Publisher site
See Article on Publisher Site

Abstract

Adsorbents consisting of Mn x O y supported on MCM-41 have been prepared at different calcination temperatures by the ultrasonic assisted impregnation method. The physical properties of these adsorbents have been characterized by thermogravimetric and differential thermal gravimetry, X-ray diffraction, Fourier-transform infrared spectroscopy, temperature-programmed reduction, and nitrogen sorption analysis. The results showed that the adsorbent calcined at 550 °C exhibited the best desulfurization performance. The saturated H2S capacity reached 28.65 mg/g at an adsorption temperature of 25 °C. The saturated H2S capacities of the different adsorbents decreased in the order of their calcination temperatures as follows: 550 > 450 > 350 > 650 °C.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jan 14, 2016

References

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