JPS6427684A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method of bringing steel plant waste to non-toxic state
Assignee: INTERNATL METALS RIKURAMEESHIY
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Filing: 1988-06-24
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Granted: —
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Expires: 2008-06-24
Abstract
Abstract PURPOSE: To form a complex and detoxify by heating oxide of toxic element present in a flue powder dust and higher oxide iron oxide in a rotary hearth furnace under a reduction atmosphere at specific temp. CONSTITUTION: Electric arc furnace powder dust taken out from an electric precipitation device, etc., is pelletized with a conventional method. Next, this pellet is charged into the rotary hearth furnace and heated at 600-1000 deg.C for 8-20 min. Thus, an iron scrap complex product is obtained and is made into a stable and insoluble product.
Inventors
- 👤 Kenisu Paagetaa Jiyon
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 06:50
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/37; A62D3/33; B; B09; B09B; B09B3/00; B09B3/70; C; C21; C21B; C21B13/00; C21B13/10; C21B13/105; C21B3/00; C21B3/04; C22; C22B; C22B7/00; C22B7/02; A62D2101/00; A62D2101/08; A62D2101/40; A62D2101/43; A62D2203/00; A62D2203/04; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y02W; Y02W30/00; Y02W30/50; Y10; Y10S; Y10S264/00; Y10S264/49
Claims Analysis
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References Cited (Backward Citations)
JPS61209085A
Cited
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