含硫污水汽提装置优化生产方案探讨

中国石化金陵分公司针对含硫污水汽提装置汽提效果差的情况，采取“分储分炼”、增加注碱量和延长含硫污水沉降时间等措施，优化了含硫污水处理的生产工艺，提高了含硫污水汽提装置的处理效果，改善了炼油污水处理场进水水质。污水处理场进水主要指标CODcr质量浓度降幅在30%左右、氨氮质量浓度降幅在50%左右、BOD5质量浓度增幅在50%左右。炼油污水处理场生化效果明显提高，出水CODCr平均质量浓度由90 mg/L左右降到70 mg/L左右。

A DISCUSSION ON OPTIMIZING PRODUCTION SCHEME OF SOUR WATER STRIPPING UNIT

In order to improve the stripping efficiency of sour water stripping unit at SINOPEC Jinling Company,measures,such as refining according to storage,injecting more alkali and prolonging the sedimentation time of sour water,were adopted to optimize the process for treating sour water,enhance the stripping efficiency and improve the quality of water entering sewage disposal plant.After process optimization,the concentration reductions of CODCr and NH+4-N for inlet water of sewage disposal plant were about 30% and 50%,respectively;the increase of BOD5 concentration was about 50%.The biological effect of sewage treatment was improved significantly,the average CODCr concentration of outlet water dropped from 90 mg/L to 70 mg/L.