江西省港口普货码头污水处理现状分析及改进措施OA

In order to solve the problem of sewage discharge in Jiangxi port,the construction and treatment status of sewage treatment facilities in general cargo terminal were investigated on the spot,targeted improvement measures are proposed.The results showed that the sewage from general cargo docks mainly includes oily sewage,dusty sewage,and domestic sewage.There are significant differences in the types of sewage from different functional docks,and their treatment processes are also different.The domestic sewage from docks is closer to municipal sewage.The main indicator of oily sewage is petroleum,generally 1 000-3 000 mg/L,while the main indicator of dusty sewage is SS,generally 1 000-2 000 mg/L.The sewage from container washing varies greatly depending on the type of container cargo.Research has found that there are problems with the sewage treatment scale accounting of the general cargo terminal,incomplete initial rainwater collection facilities,unreasonable sewage treatment facilities,and inadequate supervision.Based on those,development of sewage treatment design standards to clarify the collection and accounting methods of initial rainwater at the docks,integrated sewage treatment processes to reduce operation and maintenance difficulties and costs,and other improvement measures are proposed in this paper.