A kind of refractory wastewater treatment process
A technology for wastewater treatment and treatment process, applied in water/sewage treatment, water/sewage multi-stage treatment, biological water/sewage treatment, etc. Larger and other problems, to achieve the effect of recycling, reducing treatment costs, efficient and stable treatment
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Embodiment 1
[0045] Example 1, refractory wastewater treatment system
[0046] Schematic diagram of the structure of the processing system of the present invention as follows Figure 1 Shown, it comprises a modulation cell connected sequentially through the pipeline, DBD plasma reactor 1, iron carbon microelectrolytic reactor 2, static sinking system 3, photocatalytic fuel cell system 4 and nanofiltration - reverse osmosis dual membrane system 5.
[0047] Wherein, the DBD plasma reactor is provided in the upper part of the water distribution layer, the water distribution layer is provided with a water distribution hole 101, the waste water through the water distribution layer after the water distribution hole into the middle of the plasma reaction area; the plasma reaction area is provided with a plurality of sets of high and low pressure electrode pairs separated by a separator plate, forming a plurality of plasma reaction partitions; the spacing of the high and low pressure electrode pairs i...
Embodiment 2
[0052] Example 2, refractory wastewater treatment process
[0053] Follow the above system Figure 2 The process processes the wastewater with the following steps:
[0054] S1, add sulfuric acid to the wastewater to adjust the pH to 4;
[0055] S2, the wastewater using low-temperature plasma method for treatment, DBD plasma reactor working atmosphere for air, inlet air flow control of 2L / min, discharge voltage control of 20kv, treatment 30min;
[0056] S3, the effluent of process S2 for iron carbon microelectrolysis reaction, the iron-carbon microelectrolysis reactor in the iron-carbon micro-electrolysis reactor weight ratio of iron-based materials and carbon-based materials is 4:1;
[0057] S4, the effluent of process S3 is quietly treated, and the iron-carbon filler in the effluent is separated;
[0058] S5, the effluent of process S4 is passed into the photocatalytic fuel cell system for treatment, and the organic pollutants in the wastewater are degraded as raw materials for p...
Embodiment 3
[0060] Example 3, refractory wastewater treatment process
[0061] The difference between Example THREE and Embodiment II is that step S1 adjusts the pH to 7, and the remaining parameters are the same as Example TWO.
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