Title:
フッ素含有及び貴金属含有製品の熱処理のための装置及び方法
Document Type and Number:
Japanese Patent JP5714069
Kind Code:
B2
Abstract:
Incineration plant comprises a heat treatment chamber (1) with a fireproof insulating lining in the interior of the heat treatment chamber and an exhaust gas purification system. The insulating lining is resistant against hydrofluoric acid. The emission control system comprises at least one acidic scrubber (3, 4) and at least one basic scrubber (5). An independent claim is also included for enriching precious metals of fluorine-containing materials, comprising heat treating the materials in the heat-treatment chamber with the fireproof insulating lining, which is resistant against hydrofluoric acid, and cleaning the exhaust gases generated during the heat treatment, where the cleaning comprises (a) optionally thermal post-combustion in a post-combustion chamber (2), (b) washing the exhaust gases with water and/or acid, and (c) washing the exhaust gases with an alkaline solution.
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Inventors:
Jose Manuel Romero
Horst myer
Stephen Foss
Horst myer
Stephen Foss
Application Number:
JP2013171148A
Publication Date:
May 07, 2015
Filing Date:
August 21, 2013
Export Citation:
Assignee:
Heraeus Precious Metals GmbH & Co. KG
International Classes:
C22B11/02; C22B11/00
Domestic Patent References:
JP63161129A | ||||
JP2011212530A | ||||
JP2005231984A | ||||
JP2007263554A | ||||
JP60003864A | ||||
JP2684171B2 | ||||
JP2008511752A | ||||
JP2008036569A |
Foreign References:
US20090129996 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno
Takuya Kuno