Water treatment method for cyclic purification of shrimp breeding wastewater
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[0012] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0013] refer to figure 1 , A method for treating prawn breeding wastewater by circulating and purifying water, comprising microbial pre-purification in a prawn culturing pond and a purification system sequentially connected to the prawn cultivating pond through a water pipe, the purification system comprising a backflushing type physical filter tank, a sedimentation tank, a plant Filter tank, biological purification tank, water pump, water storage buffer tank, ozone / ultraviolet sterilization, oxygenation, and temperature adjustment water quality optimization tank. Flushing activated carbon filter tank, plant filter, recoil type biological purification tank, water storage buffer tank, ozone / ultraviolet sterilization, oxygenation, temperature adjustment water quality optimization tank, the discharge port of the water quality optimization tank is connected to th...
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