Research On Wastewater Reduction Way Of High Bed Breeding And Treatment Mathods Of Jet Aeration Sequencing Batch A/O Processing Technology

The following conclusions was got by a certain scale farms pingnan in Dinnancity using “wastewater reduction way of high bed breeding and treatment methods ofjet aeration sequencing batch A/O processing technology”.(1) The removal rate of CODcr, TP, SS were38.67%,56.58%and38.67%respectively, through the process of solid liquid separator and methods of type finegrizzly. This process had a high SS remove rate, meanwhile removed a part of CODcr.it reduced the subsequent biochemical reactor carrying load, also reduced the oxygenconsumption and the energy consumption.(2) The removal rate of CODcr, NH3-N, TP, SS were94.18%、98.74%、65.96%and91.89%respectively by the sequence A/O process. The Carbon and nitrogenretio was improved by intermittent aeration method and the problem of carbonnitrogen ratio imbalance in the wasterwater after anaerobic reaction was soved.The removal rate of CODcr, NH3-N, TP, SS was98.17%、52.90%、65.75%and25.08%respectively by the artificial wetlands for wastewater treatment. Theconcentration of the CODcr, NH3-N, TP, SS in the effluent was107.08mg/L,15.89mg/L,7.21mg/L and70mg/L.it was better than the "livestock and poultry breedingindustry pollutant discharge standard"(GB18596-2001) of400mg/L,80mg/L,8mg/L and200mg/L.The effect of water regulation, oxygen removal of organic matter, ammonianitrogen nitrification, aerobic, anaerobic phosphorus removal of organic matter,anaerobic denitrification, precipitation separation, the treated water discharge, andother process, ware implemented in the A/O pool. It set of aerobic, anaerobic,sedimentation tank three functions in one, reduced the waste water treatmentstructures of area, saved the construction investment of structures.It soved problem of carbon nitrogen ratio imbalance in the wasterwater afteranaerobic reaction which leads to the inefficiency of ammonia nitrogen treatment of faults by directly to intermittent exposure oxygen wastewater biochemical treatment.By using intermittent exposure to oxygen biochemical treatment technology, to makewaste water alternately in aerobic and anaerobic environment, can completely realizethe wastewater of nitrogen and phosphorus, intermittent aeration biological treatmenttechnology application, make full use of the principle of anaerobic treatment ofwastewater, reduced the supply of oxygen in wastewater, saves the operation of thesewage treatment cost.