Device and method for electrolytically treating mirabilite by utilizing bipolar membrane electrodialysis equipment

A bipolar membrane electrodialysis and electrolysis treatment technology is applied in the electrolysis process, electrolysis components, precipitation treatment and other directions to achieve the effects of simple production operation, reduced production cost, and good start-stop effect.

Pending Publication Date: 2020-04-14
阿拉尔市中泰纺织科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore lack a kind of method that Glauber's salt can be effectively processed

Method used

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  • Device and method for electrolytically treating mirabilite by utilizing bipolar membrane electrodialysis equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 As described above, a device for electrolytically treating mirabilite using bipolar membrane electrodialysis equipment includes a dissolution tank 1, a sedimentation tank 2, a first delivery pump 3, a sewage pipeline 9, a second delivery pump 10, a third delivery pump 11, ion Exchange resin device 4 and bipolar membrane electrodialysis equipment 5, described bipolar membrane electrodialysis equipment 5 comprises first pole chamber 501, acid chamber 502, salt chamber 503, alkali chamber 504 and second pole chamber 504, wherein, all The outlet of the dissolution tank 1 is communicated with the inlet of the sedimentation tank 2 through a pipeline and is arranged above the sedimentation tank 2; the outlet of the sedimentation tank 2 is communicated with the input end of the first delivery pump 3 through a pipeline, and the The output end of the first transfer pump 3 communicates with the inlet of the ion exchange resin device 4 through a pipeline; the outle...

Embodiment 2

[0063] The difference from Example 1 is that in the specific treatment process of Glauber's salt, in Step A, Glauber's salt and soft water are added to the dissolution tank 1 at a mass ratio of 1:5 to obtain a mixed solution.

Embodiment 3

[0065] The difference from Example 1 is that in the specific treatment process of Glauber's salt, in step A, Glauber's salt and soft water are added to the dissolution tank 1 at a mass ratio of 1:7.8 to obtain a mixed solution.

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Abstract

The invention belongs to the technical field of solid waste treatment processes, and particularly relates to a device and a method for electrolytically treating mirabilite by utilizing bipolar membrane electrodialysis equipment. The device comprises a dissolving tank, a settling tank, a first delivery pump, a second delivery pump, a third delivery pump, an ion exchange resin device and bipolar membrane electrodialysis equipment. The method for treating mirabilite comprises the following steps: mixing mirabilite and soft water in a dissolving tank, and standing in a settling tank to settle impurities such as silt and the like in the mirabilite solution; feeding into an ion exchange resin device, and intercepting calcium, magnesium, zinc and other ions in the solution; feeding the filtrate into a salt chamber in bipolar membrane electrodialysis equipment, respectively adding water with the same volume as the filtrate into the acid chamber and the alkali chamber of the bipolar membrane electrodialysis equipment, and starting the electrolyzing of the bipolar membrane electrodialysis equipment; and when the electric conductivity of the filtrate in the salt chamber of the bipolar membrane electrodialysis equipment is less than or equal to 20 mS/cm, completing the sodium sulfate treatment of the filtrate in the salt chamber to achieve the emission standard.

Description

technical field [0001] The invention belongs to the technical field of solid waste treatment technology, and in particular relates to a device and method for electrolytically treating mirabilite by using bipolar membrane electrodialysis equipment. Background technique [0002] Glauber's salt is a sulfate mineral Glauber's salt family Glauber's salt, mainly containing hydrous sodium sulfate (Na 2 SO 4 10H 2 O). The bipolar membrane electrodialysis equipment includes a first pole chamber, an acid chamber, a salt chamber, an alkali chamber and a second pole chamber connected in series. The first pole chamber and the acid chamber are connected in series through the bipolar membrane, the acid chamber and the salt chamber are connected in series through the anode membrane, the salt chamber and the alkali chamber are connected in series through the cathode membrane, and the alkali chamber and the second pole chamber are connected in series through the bipolar membrane. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06C25B1/16C25B1/22C25B9/08C02F1/469C02F101/10C25B9/19
CPCC02F9/00C02F1/4693C25B1/16C25B1/22C02F2001/007C02F2001/425C02F2101/101C25B9/19
Inventor 陈捷王静罗书磊谭瀚茗靳琰张珂静何凡杨振波杨振忠陈德雕郑贤江李长福周恩年游延贺陶思远马盼飞张辉
Owner 阿拉尔市中泰纺织科技有限公司
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