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Method for recovering metals from secondary raw materials and other materials having organic components

A technology for secondary raw materials and recovery methods, applied in the field of metal recovery from secondary raw materials with organic components and other materials, can solve the problems of high-cost cleaning steps and the like

Pending Publication Date: 2022-06-10
奥陆铜业集团股份公司
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  • Abstract
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Problems solved by technology

Therefore, cost-prohibitive cleaning steps are required in order to recover toxic substances from the exhaust gas

Method used

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  • Method for recovering metals from secondary raw materials and other materials having organic components

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Embodiment Construction

[0019] Complex secondary raw materials with organic proportions are, in addition to sampling for classical property measurements, also checked with regard to their energy content and proportion of slag formers in order to obtain information for guiding the production process. For the production capacity achievable for secondary raw materials with an organic proportion, the energy content and thus the amount of metal recovery are important. In striving to achieve low viscosity and precious metal content, relevant slagging substances (Fe / FeO, SiO 2 、Al 2 o 3 , CaO, Na 2 O, K 2 O, Mn, Cr) information is important for guiding slagging.

[0020] Among these raw materials, Al 2 o 3 , SiO 2 and the same oxidation to Al which always contains 2 o 3 The high content of refractory components in the form of metallic aluminum leads to a high-melting, high-viscosity residue during such a melting process, which in particular prevents the obtaining of a residue with a low noble metal...

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Abstract

The invention relates to a method for recovering metals, such as precious metals or copper, from secondary raw materials and other materials having organic components, in which the organic components are removed from the secondary raw materials and other materials by heat treatment in a treatment space and the secondary raw materials and other materials having organic components are prepared for the recovery process.

Description

[0001] This application is a divisional application of the invention patent application with the application number 201580031546.6 entitled "Method for recovering metal from secondary raw materials with organic components and other materials" with the application date of April 30, 2015. technical field [0002] The present invention relates to a method for the recovery of metals, such as precious metals or copper, from secondary raw materials and other materials having an organic content, wherein the secondary raw materials and other materials are removed from the organic content by heat treatment in a processing space and prepared for the recovery process with organic Secondary raw materials and other materials for ingredients. Background technique [0003] Processes are known in the prior art for the recovery of metals from secondary raw materials and other materials with an organic content in continuous and discontinuous operation. At this point, the concept of continuity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/04C22B7/00C22B1/00C22B15/06C22B25/02C22B25/06
CPCC22B1/005C22B1/248C22B7/002C22B7/04C22B15/0041C22B25/06Y02P10/20F23N3/002F23J15/02C22B1/216C22B7/00C22B15/0056C22B5/04C22B5/12C22B15/0054
Inventor M·艾汉M·埃申
Owner 奥陆铜业集团股份公司
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