Oxidant production system for precious metal leaching process
By designing an oxidant production system for precious metal leaching processes, including electrosynthesis, filtration and concentration and evaporation treatment, and adopting primary and secondary activation treatments, the problem of insufficient oxidant activity is solved, and the activation property and leaching efficiency of the oxidant are significantly improved.
Patent Information
- Application Number
- CN202411337831.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-01-03
AI Technical Summary
The activity of oxidants in the existing precious metal leaching process is poor, which affects the leaching efficiency.
An oxidant production system including mother liquor storage barrel, electrosynthesis device, primary activation device, product solution storage barrel, filtration and concentration device and evaporation crystallization device was designed. It is processed through electrosynthesis, filtration and concentration and evaporation, and is adopted in the process. Primary and secondary activation treatments, combined with ion or proton exchange membrane and gauze protection, circulating pipe connections to improve oxidant activity.
It effectively improves the activation of the oxidant and improves the leaching efficiency.
Smart Images
Figure CN119243188A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of oxidant production, and in particular relates to an oxidant production system for a precious metal leaching process. Background Art
[0002] In the leaching process of precious metals such as precious antimony, an oxidant is required. The oxidant used in leaching is mainly produced by electrochemical methods. The current oxidant production system produces oxidants with poor activity, which affects the leaching efficiency. Summary of the invention
[0003] In view of this, an object of the present invention is to provide an oxidant production system for a precious metal leaching process so as to improve the activation of the product.
[0004] The present invention solves the above problems by the following technical means:
[0005] The invention provides an oxidant production system for a precious metal leaching process, comprising a mother solution storage barrel, an electrosynthesis device, a primary activation device, a product solution storage barrel, a filtering and concentrating device and an evaporation and crystallization device which are connected in sequence.
[0006] Furthermore, a secondary activation device is provided between the filtering and concentrating device and the evaporating and crystallizing device.
[0007] Furthermore, the mother solution storage tank is connected to the product solution storage tank via a circulation pipeline.
[0008] Furthermore, the electrosynthesis device includes a cathode module and an anode module.
[0009] Furthermore, an ion or proton exchange membrane is arranged between the cathode module and the anode module.
[0010] Furthermore, gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module.
[0011] Beneficial effects of the present invention:
[0012] The oxidant production system of the precious metal leaching process of the present application comprises a mother solution storage tank, an electrosynthesis device, a primary activation device, a product solution storage tank, a filtration concentration device and an evaporation crystallization device connected in sequence. The production system of the present application improves the activation of the oxidant product. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention. DETAILED DESCRIPTION
[0015] The present invention is further described in detail below through the accompanying drawings and embodiments. Through these descriptions, the characteristics and advantages of the present invention will become clearer and more specific. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.
[0016] like Figure 1 As shown, this embodiment discloses an oxidant production system for a precious metal leaching process, comprising a mother liquor storage barrel 4, an electrosynthesis device 5, a primary activation device 6, a product solution storage barrel 7, a filtration concentration device 1 and an evaporation crystallization device 3 connected in sequence. The electrosynthesis device comprises a cathode module and an anode module. An ion or proton exchange membrane is arranged between the cathode module and the anode module. Gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module. A secondary activation device 2 is arranged between the filtration concentration device and the evaporation crystallization device.
[0017] During operation, the mother liquor in the mother liquor storage barrel is passed into the electrosynthesis device, and the product solution is produced by electrolysis. The product solution is then filtered, concentrated and evaporated to obtain the product. In this process, the product is activated by the primary activation device and the secondary activation device. The activation methods include light activation, thermal activation, etc. In this way, the activation of the product is effectively improved.
[0018] As a further improvement to the above technical solution, the mother liquid storage tank is connected to the product solution storage tank via a circulation pipeline, so that a portion of the product solution can be introduced into the mother liquid and then participate in the electrolysis reaction, which is beneficial to improve the efficiency of the electrolysis reaction.
[0019] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.
Claims
1. An oxidant production system for a precious metal leaching process, characterized in that: The invention comprises a mother solution storage barrel, an electrosynthesis device, a primary activation device, a product solution storage barrel, a filtering and concentrating device and an evaporation and crystallization device which are connected in sequence.
2. The oxidant production system for the precious metal leaching process according to claim 1, characterized in that: A secondary activation device is arranged between the filtering and concentrating device and the evaporating and crystallizing device.
3. The oxidant production system for the precious metal leaching process according to claim 2, characterized in that: The mother solution storage tank is connected with the product solution storage tank via a circulation pipeline.
4. The oxidant production system for the precious metal leaching process according to claim 3, characterized in that: The electrosynthesis device includes a cathode module and an anode module.
5. The oxidant production system for the precious metal leaching process according to claim 4, characterized in that: An ion or proton exchange membrane is arranged between the cathode module and the anode module.
6. The oxidant production system for the precious metal leaching process according to claim 5, characterized in that: Gauze for protecting the ion or proton exchange membrane is arranged between the cathode module and the anode module.