Aerobic not only get a high CODcr removal, but can also remove nitrogen, phosphorus, sewage treatment qualification, but the cost is high, so for the high concentration of slaughter wastewater, usually first anaerobic biological treatment, sewage Altay processing, and use aerobic treatment, sewage treatment direct supply, integrated use of the advantages of anaerobic and aerobic biological law, can obtain high CODcr removal rate, while the removal of nitrogen and phosphorus, but also reduce costs. Ruizhao Xiang sewage treatment equipment properly handle sludge, sewage treatment drawings, to ensure the system stable and reliable operation, easy mud, reduce manual operation.