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Process for refining metals from minerals

A mineral and metal technology, applied in the field of metal extraction, can solve the problems of low energy utilization rate, low production efficiency, environmental pollution, etc., and achieve the effect of improving utilization rate, protecting the environment, and requiring low grades

Inactive Publication Date: 2010-08-04
QIANQIU ENERGY SHANGHAI
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

This kind of process can only restore the magnetic or non-magnetic metals such as iron, nickel, tungsten, etc., but the non-ferrous metals such as tin and zinc contained in metal-bearing minerals cannot be extracted at the same time, requiring multiple refining, and the production efficiency is low. , low energy utilization rate, high energy consumption, and pollution to the environment

Method used

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  • Process for refining metals from minerals
  • Process for refining metals from minerals

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Embodiment Construction

[0037] The basic concept of the present invention is that the materials including minerals, reducing agents, fuming agents, and additives are sequentially processed through the pretreatment process, the multi-metal fuming reduction process, and the post-treatment process, and various elemental metals are extracted in the same extraction process. , Metal compounds. The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] The process for extracting metal from minerals of the present invention comprises:

[0039] Material pre-treatment process, which processes minerals to improve taste; processes fuming agents, reducing agents, and additives to make them meet specifications.

[0040] The multi-metal fuming reduction process heats materials including minerals, reducing agents and additives, and performs fuming reduction reactions and melting reduction reactions to obtain volatile metal compounds, reduced metals ...

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Abstract

The invention discloses a process for refining metals from minerals, comprising the working procedures of material pretreatment, fume reduction of multiple metals and post-treatment, wherein the working procedure of fume reduction of multiple metals is characterized by carrying out fume reduction reaction and smelting reduction reaction on the materials including minerals, reducing agents, fuming agents and additives to obtain volatilizable metallic compounds, reducing meals and tailings. Various metals can be refined from the minerals by the process and the process is high in energy utilization, low waste discharge, environment-friendly and energy-saving.

Description

technical field [0001] The invention relates to the technical field of metal extraction, in particular to a process for extracting metal from minerals. Background technique [0002] Metal is an important material in modern industrial production. Most metals are extracted from metal-bearing minerals through certain processes and equipment. In today's metal smelting process, it is more common to use a reducing agent to reduce metal-containing minerals by heating to a certain temperature and after a certain reduction time to obtain metals. This kind of process can only restore the magnetic or non-magnetic metals such as iron, nickel, tungsten, etc., but the non-ferrous metals such as tin and zinc contained in metal-bearing minerals cannot be extracted at the same time, requiring multiple refining, and the production efficiency is low. , low energy utilization rate, high energy consumption, and pollution to the environment. Contents of the invention [0003] The object of t...

Claims

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Application Information

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IPC IPC(8): C22B5/02C22B5/18
CPCY02P10/20
Inventor 李柏荣
Owner QIANQIU ENERGY SHANGHAI
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