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Solid-liquid centrifugal separator of leached and extracted coupling resultant

A technology of coupled reaction and centrifugal separation, applied in centrifuges with rotating drums, centrifuges, etc., can solve the problems of organic solvent loss, easy introduction of impurities, complicated centrifugal filtration and separation operations, etc., to reduce losses and avoid environmental pollution Pollution, the effect of solving economic losses

Inactive Publication Date: 2006-11-01
彭鹏
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Problems solved by technology

[0011] One object of the present invention is to overcome the serious loss of organic solvent caused by the above-mentioned filtration method; the centrifugal filtration separation operation is complicated, and the product is easy to introduce impurities, etc., to provide a solid-liquid centrifuge that is easy to operate and can separate four kinds of reaction products. separation device

Method used

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  • Solid-liquid centrifugal separator of leached and extracted coupling resultant
  • Solid-liquid centrifugal separator of leached and extracted coupling resultant

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Embodiment

[0037] centrifugation

[0038] Please refer to FIG. 2 and FIG. 2A. On the tube wall of a 250ml centrifuge tube of a centrifuge, there are 3 round holes with internal thread, (the position of the tube wall opening: 1.0cm, 1.6cm, 2.0cm from the bottom of the tube). A round hole with an internal thread is opened at the bottom of the centrifuge tube, and each round hole is equipped with a sealing plug with a screw buckle. Add 10g of mineral (zinc concentrate), 10ml of organic solvent (tetrachlorethylene), and 100ml of leaching solution (composed of 2mol / L sulfuric acid and 0.2mol / L nitric acid) into a 250ml reaction kettle. Close the reaction kettle, turn on the stirring and heating device, and when the temperature reaches 80°C, pass O 2 , and maintain O 2 The pressure is 0.1 MPa, and the reaction takes 3 to 6 hours. After the reaction, the leached ore pulp was quickly poured into the device of the present invention, and separated by centrifugation (as shown in Figure 2 and Fi...

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Abstract

A centrifugal solid-liquid separator for the resultants (slags, solid sulfur, organic solvent and liquid extract containing valuable metal ions) generated after the metallic sulfide ore is extracted by oxidizing and desulfurized in organic solvent features that 3 circular holes are made on the wall of the centrifugal pipe at different heights and one circular hole is made on its bottom for discharging said resultants at different heights without mutual interference. All circular holes are equipped with sealing plug.

Description

technical field [0001] The invention belongs to the field of solid-liquid separation, in particular to a device for simultaneously separating four phases of leaching slag, solid sulfur, organic solvent, and leachate containing valuable metal ions after metal sulfide minerals are leached by a coupling method of oxidation leaching and organic solvent sulfur extraction. and how to do it. Background technique [0002] In hydrometallurgy, the leaching unit operation is adopted, that is, the metal-containing minerals and the leaching agent are reacted at high temperature. After the metal-containing minerals are leached, the slag liquid must be separated, the slag is discarded, and the leachate is collected. The leaching solution is then processed to recover useful metals and become products. [0003] In small-scale experiments and industrial operations, the leached pulp is generally separated from solid and liquid by filtration. In order to accelerate the filtration speed, vacuum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04B1/00
Inventor 彭鹏董中朝柯佳雄
Owner 彭鹏
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