Combined electrolysis reactor and waste water treatment method thereof

An electrolytic reactor and reactor technology, applied in water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problem of single role of particle electrode material, low efficiency of multi-dimensional electrode treatment, and occupation of treatment equipment Large land area and other issues, to achieve the effect of compact structure, small footprint, and enhanced efficient utilization

Active Publication Date: 2014-07-09
CHINA NUCLEAR IND HUAXING CONSTR +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the problems in the prior art that the processing efficiency of multi-dimensional electrodes is relatively low, the role of the particle electrode material is single, the processing equipment occupies a large area, the investment cost of capital construction is high, and the iron-carbon micro-electrolysis chamber is easy to block, harden and passivate, the present invention Provided is a combined electrolytic reactor and its wastewater treatment method

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  • Combined electrolysis reactor and waste water treatment method thereof
  • Combined electrolysis reactor and waste water treatment method thereof
  • Combined electrolysis reactor and waste water treatment method thereof

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Embodiment 1

[0043] Such as figure 1 , the combined electrolytic reactor of the present embodiment is a cylindrical structure, and the reactor 30 is fixed on the reactor base 31, and the overall height of the reactor 30 is 5.1m, and it includes a power supply chamber 1, a multidimensional electrode chamber 2, an iron-carbon micro-electrolysis chamber 3, Water distribution aeration room 4, equipment room 5.

[0044] The power supply room 1 is located in the top cover 6 of the reactor, equipped with two power supply controllers 7; the top cover 6 of the reactor is 0.4m high, and the applied voltage is 220V. The multi-dimensional electrode chamber 2 is located at the lower part of the top cover 6 of the reactor, with a diameter of 0.4 m and a height of 2.0 m, including four electrode plates, electrode plate a11, electrode plate b12, electrode plate d15 and electrode plate c14 ( The top of each electrode plate is provided with terminal 13, the surface of the electrode plate is 60 * 60cm, and ...

Embodiment 2

[0059] This embodiment is based on a kind of combined electrolytic reactor of above-mentioned embodiment 1 as an example to carry out wastewater treatment, certain dye wastewater, active green KE-4BD wastewater initial concentration is 360-400mg / L, CODc r : 275-308mg / L, pH: 4.5-5.0, chromaticity: 1200-1500 times.

[0060] The main anode of the reactor is based on iron plate, which is treated with metal coating, the metal coating is ruthenium iridium, the main cathode is based on stainless steel plate; the material of carbon filler is activated carbon.

[0061] Wastewater treatment process, the steps are as follows:

[0062] (1) In the water inlet stage, the reactor inlet water flow rate is 35m 3 / h, the water intake time is 0.2h;

[0063] (2) In the reaction stage, the working voltage of the multi-dimensional electrode is 220V, and the current density is 30mA / cm 3 , the opening time is 0.8h, the working time of the aeration pump 27 is 2.0h, the aeration volume in the first ...

Embodiment 3

[0068] This embodiment is based on a combined electrolytic reactor in the above-mentioned embodiment 1 as an example for wastewater treatment. A certain printing and dyeing wastewater has a water quality of CODc r : 520-580mg / L, pH: 10.5-11.0, chroma: 400-500 times.

[0069] The main anode of the reactor is based on iron plate, which is treated with metal coating, the metal coating is iron ruthenium tin, the main cathode is based on stainless steel plate; the material of carbon filler is anthracite.

[0070] Wastewater treatment process, the steps are as follows:

[0071] (1) In the water inlet stage, the reactor inlet water flow rate is 30m 3 / h, the water intake time is 0.25h;

[0072] (2) In the reaction stage, the working voltage of the multi-dimensional electrode is 220V, and the current density is 40mA / cm 3 , the opening time is 1.0h, the working time of the aeration pump 27 is 2.0h, the aeration volume for the first 1.0h is 40L / min, and the aeration volume for the ne...

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Abstract

The invention discloses a combined electrolysis reactor and a waste water treatment method thereof, belonging to the technical field of waste water treatment. The combined electrolysis reactor comprises a reactor and a reactor base, wherein a power supply chamber, a multidimensional electrode chamber, an iron-carbon micro-electrolysis chamber, a water distribution aeration chamber and an equipment chamber are sequentially inside the reactor from top to bottom; the power supply chamber is arranged in the top cover of the reactor and is provided with two power supply controllers; the multidimensional electrode chamber is arranged below the top cover of the reactor and consists of four electrode plates which are sequentially electrode plates a, b, d and c from left to right, wherein the electrode plates a and d are main anodes, the electrode plates b and c are main cathodes, and carbon packing fills in the gaps among the electrode plates; the iron-carbon micro-electrolysis chamber is positioned at the lower part of the multidimensional electrode chamber and is internally filled with iron-carbon packing; the water distribution aeration chamber is positioned at the lower part of the iron-carbon micro-electrolysis chamber and respectively carries out water distribution and aeration through a water distribution pump and an aeration pump in the equipment chamber. According to the combined electrolysis reactor, the treatment efficiency can be effectively improved, and the occurrence of passivation and hardening can be reduced.

Description

technical field [0001] The invention belongs to the technical field of environmental engineering waste water treatment, in particular to a combined electrolysis reactor and a waste water treatment method thereof. Background technique [0002] With the steady advancement of my country's industrialization and rapid economic development, the problem of water pollution has become increasingly serious. Severe water pollution not only aggravates the crisis of water resources, but also affects people's production, living and health. [0003] Industrial wastewater accounts for a large proportion of the total sewage discharge and is difficult to treat. According to the chemical properties of the main pollutants contained, industrial wastewater can be divided into: inorganic wastewater, refractory organic wastewater, mixed wastewater, heavy metal wastewater, wastewater containing radioactive substances and cooling water. Among them, the refractory organic wastewater contained in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461
Inventor 路逸居张后虎刘高杰彭禹李军
Owner CHINA NUCLEAR IND HUAXING CONSTR
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