Resource recovery of founding waste containing transition elements: Conversion into hydrogen sulfide sorbent

Michihiro Miyake; Motohide Matsuda; Toshihiro Hattori

doi:10.1016/j.jeurceramsoc.2005.06.017

Resource recovery of founding waste containing transition elements: Conversion into hydrogen sulfide sorbent

Michihiro Miyake, Motohide Matsuda, Toshihiro Hattori

Graduate School of Environmental and Life Science

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The hydrogen sulfide sorptive property of founding dust exhausted from a cupola furnace was investigated at room temperature by X-ray diffraction, transmission electron microscopy, measurement of adsorptive capacity, etc. Consequently, it was found that this property was induced by the spinel-type nanocrystals composed of transition elements in the dust. Furthermore, characterization revealed that the H₂S sorptive capacity of the dust was enhanced by NaOH treatments to extract the spinel-type nanocrystals from amorphous SiO₂ matrix. In addition, it was found that the H₂S sorptive capacity was correlated with Mn content in the spinel-type nanocrystals.

Original language	English
Pages (from-to)	791-795
Number of pages	5
Journal	Journal of the European Ceramic Society
Volume	26
Issue number	4-5
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2005.06.017
Publication status	Published - Jan 11 2006

Keywords

Chemical properties
Functional applications
Nanocomposites
Resource recovery
Spinels

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1016/j.jeurceramsoc.2005.06.017

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abstract = "The hydrogen sulfide sorptive property of founding dust exhausted from a cupola furnace was investigated at room temperature by X-ray diffraction, transmission electron microscopy, measurement of adsorptive capacity, etc. Consequently, it was found that this property was induced by the spinel-type nanocrystals composed of transition elements in the dust. Furthermore, characterization revealed that the H2S sorptive capacity of the dust was enhanced by NaOH treatments to extract the spinel-type nanocrystals from amorphous SiO2 matrix. In addition, it was found that the H2S sorptive capacity was correlated with Mn content in the spinel-type nanocrystals.",

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AU - Matsuda, Motohide

AU - Hattori, Toshihiro

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KW - Spinels

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