辽宁环境污染治理发布广西北部湾近岸海域环境问题成因分析(二)
2019-06-19
辽宁环境污染治理发布城镇日子污水处理才华缺少。沿海三市城镇化展开较快，城市建成区不断扩大，人口增加，但城镇污水处理设备及配套管网缔造滞后，污水收集处理率行进缓慢，直排入海市政排污口污水超标较严峻。按照自治区下达的2014年度计划任务，北海市、钦州市、防城港市和玉林市年度管网缔造任务需分别结束69.43公里、78.4公里、20.5公里和39.37公里，但实践仅分别结束了58.6%、38.2%、41.0%和42.5%，任务结束率低。现在沿海三市每年大约有3000多万吨污水无法进入污水处理厂处理，而是经市政排污口直排邻近海域。2011年-2014年三市市政污水超标率为66.9%-94.1%，超标因子主要为磷酸盐、总磷、氨氮、生化需氧量、化学需氧量等。
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