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Electrochemical preparation reactor for water treatment medicament with flocculation and disinfection effect

A reactor and water treatment technology, applied in water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve problems such as inability to guarantee the water quality of the factory, achieve improved water treatment effects, and facilitate preparation methods , to overcome the effect of loss-prone

Inactive Publication Date: 2007-10-24
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the deteriorating surface water environment, such as the eutrophication of surface water bodies, conventional water treatment processes can no longer guarantee good factory water quality

Method used

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  • Electrochemical preparation reactor for water treatment medicament with flocculation and disinfection effect

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Using aluminum trichloride as the electrolyte, as shown in the attached figure, in an electrolytic cell with a volume of 100L, add an aluminum trichloride solution with a total aluminum concentration of 1.0mol / L for electrolytic preparation.

[0026] Electrode: titanium ruthenium mesh anode (800×500mm); titanium ruthenium mesh cathode (800×500mm)

[0027] Electrode spacing: 20mm

[0028] Current density: 1.20A / dm 2

[0029] Voltage: 5.6V

[0030] Circulation pump speed: 400L / h

[0031] Anode potential: 1.45V

[0032] After the electrolysis is finished, the basic indicators of the obtained product are as follows:

[0033] Total aluminum concentration: 1.05mol / L

[0034] Al 13 Content: 78.8%

[0035] Available chlorine content: 3215mg / L

[0036] Alkalinity: 2.3

[0037] pH: 4.10

Embodiment 2

[0039] Use low-basicity polyaluminum chloride as the electrolyte, as shown in the attached figure, add polyaluminum chloride solution with a total aluminum concentration of 2.0mol / L in an electrolytic cell with a volume of 100L for electrolysis.

[0040] Electrode: titanium ruthenium mesh anode (800×500mm); titanium ruthenium mesh cathode (800×500mm)

[0041] Electrode spacing: 20mm

[0042] Current density: 1.50A / dm 2

[0043] Voltage: 6.8V

[0044] Circulation pump speed: 400L / h

[0045] Anode potential: 1.38V

[0046] After the electrolysis is finished, the basic indicators of the obtained product are as follows:

[0047] Total aluminum concentration: 2.10mol / L

[0048]al 13 Content: 68.8%

[0049] Available chlorine content: 1245mg / L

[0050] Alkalinity: 2.05

[0051] pH: 3.54

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Abstract

The invention discloses an electrolytic reactor of water disposing agent with flocculating and sterilizing action, which comprises the following parts: electrolytic groove, anode and cathode of stable shape electrode material, circulating system of electrolyte, electric potential monitoring system of anode, DC power and circuit connecting system, tail gas collecting system, wherein the aluminium chloride or polymeric aluminium solution with low alkaline degree is added into electrolytic groove with the DC power opened, which finishes the making course after reacting for a while. The reactor equipment possesses compact equipment, simple operation, which is fit for on-site adding.

Description

technical field [0001] The invention relates to the invention of an electrochemical preparation reactor for water treatment agent with flocculation and disinfection functions. The reactor is suitable for on-site preparation and dosing. Active ingredient Al in the prepared water treatment agent 13 and high content of available chlorine. technical background [0002] Inorganic macromolecule flocculants are special chemical agents used in large quantities and widely in the field of water treatment technology today. Compared with traditional flocculants, such as aluminum sulfate, aluminum chloride, ferric chloride, etc., it can significantly improve the water purification efficiency, and has the advantages of low dosage, good settling performance, and wide adaptability. Among them, polyaluminum chloride (PolyaluminumChloride, PACl) is the most mature industrial production technology, the highest efficiency, and the most widely used inorganic polymer flocculant species. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/46C02F1/463C02F1/461C02F1/467
Inventor 曲久辉胡承志刘会娟雷鹏举
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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