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Evolution of Mercury from Iron Ores in Temperature-Programmed Heat Treatments

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Title: Evolution of Mercury from Iron Ores in Temperature-Programmed Heat Treatments
Authors: Bud, Javzandolgor Browse this author
Mochizuki, Yuuki Browse this author
Tsubouchi, Naoto Browse this author →KAKEN DB
Keywords: iron ore
temperature-programmed heat treatment
Issue Date: 15-Jan-2022
Publisher: 一般社団法人 日本鉄鋼協会 (The Iron and Steel Institute of Japan)
Journal Title: ISIJ international
Volume: 62
Issue: 1
Start Page: 20
End Page: 28
Publisher DOI: 10.2355/isijinternational.ISIJINT-2021-295
Abstract: The behavior of Hg released from iron ores during temperature-programmed heat treatments (TPHTs) in air has been mainly studied using an online monitoring method. The Hg release behavior in TPHT significantly depends on the type of ore being processed, which includes forms evolved as Hg-0 and Hg2+, and forms that remain thermally stable up to 950 degrees C. In addition, the TPHT experiments for model Hg compounds suggested the presence of several types of Hg forms (HgCl2, Hg2Cl2, HgS, HgO, HgSO4, and associated mineral-Hg) in the iron ores used. The amounts and proportions of suggested forms of Hg species substantially depend on the type and composition of the iron ore used. These observations may be important in designing an efficient method for the removal of Hg from iron ore and gaseous Hg.
Type: article
Appears in Collections:エネルギー・マテリアル融合領域研究センター (Center for Advanced Research of Energy and Material) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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