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Glass-based processing of mixed-oxide desulfurization sorbents

journal contribution
posted on 15.04.2020, 00:00 by MD Dolan, AY Ilyushechkin, KG McLennan, T Nguyen, SD Sharma
The favorable thermodynamics of the reaction between H2S and oxides of iron, nickel, and zinc make these materials suitable for the sorption of sulfur from coal-derived synthesis gas. As an alternative to traditional solid-state processing, the suitability for coal gas desulfurization of glass-ceramics based on transition metal oxides has been evaluated. Glass-ceramics based on NiAl2O4 and ZnFe2O 4 have similar sorption properties and a high resistance to agglomeration, but the inexpensive raw materials and moderate processing temperature of the ZnFe2O4-based glass makes it more suitable for a commercial application. The overall performance is highly dependent on the particle size of the sorbent, but these materials can be formed with relatively high surface areas by using fiber-based processing. This material is a potential alternative to mixed oxide sorbents prepared by solid-state processing, as it offers comparable performance combined with the ability to process the glass by existing glass-processing techniques. © 2009 American Chemical Society.

Funding

Category 3 - Industry and Other Research Income

History

Volume

48

Issue

23

Start Page

10498

End Page

10503

Number of Pages

6

eISSN

1520-5045

ISSN

0888-5885

Publisher

American Chemical Society

Peer Reviewed

Yes

Open Access

No

Acceptance Date

15/09/2009

External Author Affiliations

CSIRO

Era Eligible

Yes

Journal

Industrial and Engineering Chemistry Research