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Modularized multi-stage-area mineralization metallurgy system and treatment method

A modular and treatment area technology, which is applied in metallurgical wastewater treatment, water/sewage multi-stage treatment, chemical instruments and methods, etc., can solve the limitations of deep separation and enrichment of components to be separated, large vertical area of ​​equipment, Difficult to meet the requirements of industrial production and other issues, to achieve the effect of small footprint, convenient equipment, and high sorting efficiency

Pending Publication Date: 2021-05-28
ZHENGZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the separation and enrichment technology usually requires multi-stage operation to enhance mass transfer and separation, the vertical area of ​​the equipment is large, and the separation efficiency of the above-mentioned traditional separation method is low, which limits the deep separation and enrichment of the components to be separated, making it difficult to Meet industrial production requirements

Method used

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  • Modularized multi-stage-area mineralization metallurgy system and treatment method
  • Modularized multi-stage-area mineralization metallurgy system and treatment method
  • Modularized multi-stage-area mineralization metallurgy system and treatment method

Examples

Experimental program
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Effect test

Embodiment 1

[0059] Mineralization metallurgical equipment removes copper, lead, and zinc from industrial wastewater. The process is as follows:

[0060] (1) The industrial wastewater of a lead-zinc smelter contains 200mg / L copper, 280mg / L lead, and 153mg / L zinc. The industrial wastewater is transported to the mineralization and metallurgical equipment system by a multi-phase flow dissolved air pump, and filtered through a 325-mesh filter. After net sedimentation and filtration, it enters the chemical mineralization area, and adds humic acid-based complexing and chelating agents to the industrial wastewater through the chemical filling system. The amount of complexing and chelating agents is 1.5 times the theoretical amount of complete complexation of metal ions, resulting in hydrophobic Precipitate floc particles, floc particles at 10mg / L Fe 3+ growing under the action of destabilizing flocculants, Fe 3+ The addition amount is 0.2%, and finally it is mechanically stirred at 300r / min for ...

Embodiment 2

[0065] Mineralization metallurgical equipment separates dissolved tungsten and molybdenum, the process is as follows:

[0066] (1) A certain tungsten ore leach solution contains Mo 1.73g / L, WO 3 200 g / L, the tungsten and molybdenum leaching solution is transported to the mineralization metallurgical equipment system with a multiphase flow dissolved air pump at a flow rate of 20L / min, and after being filtered by a 325-mesh filter, it enters the chemical mineralization area and passes through the chemical filling system. Add ammonium sulfide and alkyltrimethylammonium chloride with a content of 1.5 times the molybdenum content to the leaching solution to produce a hydrophobic molybdenum-containing complex, and mechanically stir at 300r / min for 30min to ensure that the molybdenum in the solution can form a uniform and stable molybdenum-containing complex. Complexes.

[0067] (2) The molybdenum-containing complex enters the bubble mineralization zone, continuously collides with 2...

Embodiment 3

[0071] Mineralization metallurgical equipment flocculation flotation micro-fine molybdenite, the process is as follows:

[0072] (1) A molybdenite sample (Mo grade about 0.09%) contains a large amount of gangue minerals quartz and kaolinite, and the molybdenite particles with a particle size of less than 5 μm account for more than 80%. The mineral suspension is transported to the mineralization and metallurgical equipment system, after sedimentation and filtration, and after hydraulic classification, the suspension with a particle size of less than 200 meshes enters the chemical mineralization area, and a content of 0.5 is added to the suspension through the chemical filling system. % humic acid-based selective flocculant to produce hydrophobic flocculation particles, which are continuously grown under the action of 0.2% polyacrylamide destabilizing flocculant, and mechanically stirred at 300r / min for 30min.

[0073] (2) Particles with a particle size of 30-60 μm enter the bub...

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Abstract

The present invention discloses a modularized multi-stage-area mineralization metallurgy system and a treament method. The device comprises a pretreatment area, at least one agent mineralization area, at least one bubble mineralization area and a dynamic monitoring area which are sequentially connected in series, and the pretreatment area, the agent mineralization area, the bubble mineralization area and the dynamic monitoring area are transversely connected in a sealed mode through detachable connecting pieces. A feeding pipe is arranged in the pretreatment area, a liquid discharging pipe is arranged in the dynamic monitoring area, an outlet of the bubble mineralization area is communicated with the liquid discharging pipe, and a monitor for detecting whether the fluid at the outlet of the bubble mineralization area reaches the separation and emission standard or not is arranged in the dynamic monitoring area. The system has the remarkable advantages of multi-stage zone cooperative operation, high separation efficiency, simple technological process, convenience in installation and migration of equipment, small occupied area and the like, is suitable for multi-level large-scale application such as strategic metal extraction, industrial wastewater treatment, rare earth element separation and mineral separation and quality improvement, and has a good industrial application prospect compared with a traditional separation and enrichment method.

Description

technical field [0001] The invention belongs to the technical equipment field of mineralization and metallurgy, in particular to a modularized multi-stage zone mineralization and metallurgy system and a processing method. Background technique [0002] Separation and enrichment technology plays an important role in industrial production processes such as chemical industry, metallurgy, and mineral processing. Processes such as strategic metal extraction, industrial wastewater treatment, rare earth element separation, valuable metal separation, and mineral separation and upgrading are all inseparable from the target Separation and enrichment of substances. The basis of separation and enrichment technology is mainly to control the property difference between the components to be separated, and then use conventional chemical adsorption, ion exchange, solvent extraction, foam flotation and other unit operations for subsequent separation and enrichment. [0003] In recent years, s...

Claims

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Application Information

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IPC IPC(8): C02F9/04G01N21/63G01N15/02G01N21/65C02F1/56C02F1/54C02F1/52C02F1/24C02F101/20C02F103/16
CPCC02F9/00G01N21/63G01N15/0205G01N21/65C02F1/56C02F1/24C02F1/5236C02F1/5272C02F1/54C02F2101/20C02F2103/16C02F2001/007
Inventor 曹亦俊韩桂洪刘炯天黄艳芳刘兵兵苏胜鹏王文娟
Owner ZHENGZHOU UNIV
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