Ternary electrolytic sewage treatment combined process

A combined process and electrolysis of sewage technology, applied in water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve time-consuming and labor-consuming, unstable water outlet indication, and secondary air pollution And other issues

Inactive Publication Date: 2015-05-06
宋斌英
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Problems solved by technology

[0007]1. The processing technology is complicated and difficult to realize;
[0008]2. The sewage index is difficult to control, and the effluent indication is unstable and difficult to reach the standard;
[0009]3. The investment in governance is high, and the high one can reach more than

Method used

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  • Ternary electrolytic sewage treatment combined process
  • Ternary electrolytic sewage treatment combined process
  • Ternary electrolytic sewage treatment combined process

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Embodiment Construction

[0040] The present invention will be described in detail below in combination with specific embodiments.

[0041] see figure 1 , a three-way electrolytic sewage treatment combined process embodiment 1, which is suitable for petroleum and petrochemical sewage treatment. The steps are: electrolytic air flotation 11, electrolytic catalysis 12, electrolytic flocculation 13, and sedimentation separation 14 for difficult sewage. , biochemical treatment 15, electrolytic catalytic flocculation 16 and precipitation separation 17 steps, the obtained water is tested and discharged 18, and at the same time, the electrolytic air flotation 11, precipitation separation 14, biochemical treatment 15, precipitation separation 16 steps obtained Sludge treatment 110 is performed after the sludge is transported to the sludge tank 19 .

[0042] see figure 2 , a second embodiment of a three-element electrolytic sewage treatment combined process, which is suitable for waste water treatment such as...

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Abstract

The invention discloses a ternary electrolytic sewage treatment combined process and application thereof to petroleum and petrochemical wastewater treatment. The process comprises the steps of: successively conducting electrolysis flotation, electrolysis catalysis, electrolysis flocculation, precipitation separation, biological treatment, catalytic electrolysis flocculation and sedimentation separation on highly difficult wastewater, detecting the obtained water, discharging qualified water, and sending the sludge obtained in electrolysis flotation, sedimentation separation, biochemical treatment and precipitation separation to a sludge pool for sludge treatment. The electrolysis combined treatment process provided by the invention is a modular integrated treatment system, which can be combined flexibly according to the specific needs, so as to play the potential advantage of the sewage treatment steps to the greatest and cooperate with each treatment step to complete optimized treatment on various wastewater.

Description

technical field [0001] The invention relates to a combined three-element electrolysis sewage treatment process. Background technique [0002] Difficult wastewater refers to wastewater that is difficult to biochemically degrade and has complex treatment processes generated during industrial production. It mainly includes: landfill leachate, petrochemical wastewater, pharmaceutical and chemical wastewater, coking wastewater, pesticide wastewater, essence, spice wastewater, (large Most chemical wastewater belongs to the range of difficult wastewater), printing and dyeing, dye wastewater, tannery wastewater, papermaking wastewater, electroplating wastewater, electronic wastewater, metallurgical wastewater, etc. The composition of difficult sewage is caused by organic pollution. The molecular structure is polycyclic or heterocyclic. The molecular structure is stable, and the chemical oxygen consumption is generally above 104 / l. For example, the chemical oxygen demand (COD) of la...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F9/06C02F1/461
CPCY02W10/37
Inventor 宋斌英
Owner 宋斌英
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