An anaerobic-aerobic/electro-catalysis coupled water purification system and a water purification method
2014
An anaerobic-aerobic/electro-catalysis coupled water purification system and a water purification method are disclosed. A three-dimensional particle electrode layer of the water purification system is disposed above an adsorption-type biological filtering material layer. The three-dimensional particle electrode layer and the adsorption-type biological filtering material layer are connected through a stainless steel perforated plate electrode. The bottom of the adsorption-type biological filtering material layer and a water distributing chamber are connected through a plastic perforated plate manner. The water distributing chamber is connected to a refluxing device. An aeration disk divides the adsorption-type biological filtering material layer into an anaerobic section and an aerobic section. The water purification method includes steps of: (1) mixing raw water with refluxing water in the water distributing chamber; (2) physically filtering and intercepting; (3) performing anaerobic/aerobic biological treatment; (4) performing advanced oxidation; and (5) discharging purified water. According to the system and the method, anaerobic treatment, aerobic treatment and the advanced catalytic oxidation are coupled into a reactor. Stages in water treatment are synergetic. Predetermined treating effects are achieved. The quality of the discharged water is stable.
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