Invention Grant
- Patent Title: Method and plant for removing arsenic and/or antimony from flue dusts
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Application No.: US15025991Application Date: 2013-10-02
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Publication No.: US10081848B2Publication Date: 2018-09-25
- Inventor: Jochen Güntner , Peter Sturm , Maciej Wrobel , Jörg Hammerschmidt , Ake Holmström , Gunnar Berg
- Applicant: Outotec (Finland) Oy
- Applicant Address: FI Espoo
- Assignee: Outotec (Finland) Oy
- Current Assignee: Outotec (Finland) Oy
- Current Assignee Address: FI Espoo
- Agency: Chernoff Vilhauer LLP
- International Application: PCT/EP2013/070585 WO 20131002
- International Announcement: WO2015/048996 WO 20150409
- Main IPC: C22B7/02
- IPC: C22B7/02 ; B01D53/76 ; C22B1/24 ; C22B15/00 ; B01D53/64 ; B01D53/83
Abstract:
A method for the treatment of flue dusts containing arsenic and/or antimony from pyrometallurgical methods, wherein a reducing agent is added to the flue dusts, the flue dusts are heated together with the reducing agent, and volatile components are separated from a slag. The reducing agent is a carbonaceous compound.
Public/Granted literature
- US20160237523A1 METHOD AND PLANT FOR REMOVING ARSENIC AND/OR ANTIMONY FROM FLUE DUSTS Public/Granted day:2016-08-18
Information query
