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US 2024/0344173 A1Published application
Method for manufacturing high-grade refined iron oxide from iron oxide as by-product of zinc smelting process
AssigneeKorea Zinc Co., Ltd.
InventorsHeon Sik CHOI, Sung Moon KANG
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Abstract
The present disclosure discloses a method for refining an iron oxide that is a by-product of a zinc smelting process, the method including a roasting process of roasting the iron oxide, a washing process of washing a roasted iron oxide cake with a washing water, and a filtering process of filtering the washed iron oxide cake, thereby providing refined iron oxide.
Claims13
A method for refining a raw material iron oxide that is a by-product of a zinc smelting process, the method comprising:
- a roasting process of roasting the raw material iron oxide;
- a washing process of washing a roasted iron oxide cake with a washing water;
- and
- a first filtering process of filtering the washed iron oxide cake, thereby providing refined iron oxide.
1 more element
Dependencies are inferred from the claim text.