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长三角船舶“减排令”全面实施 减少船舶污染打造绿色港口

2017-09-01 21:56:04   中国青年网

新华社上海9月1日电(记者 贾远琨)硫是PM2.5的主要元凶之一,船舶燃料油的含硫量高就会提高硫的排放量,造成空气污染。9月1日起,长三角地区全面提前实施交通运输部船舶排放控制区方案,即所有船舶到港以后须按要求换用低硫燃油或使用岸电、尾气后处理等替代措施。

长三角城市圈拥有密集的港口群,其中不乏世界级大港,船舶靠港量大,如不对船舶排放进行严格控制,将直接造成空气污染,危害居民健康。

2016年4月1日起,长三角核心港口上海港、宁波-舟山港、苏州港、南通港率先实施减排方案,今年9月1日,这一方案进一步扩大至长三角整个船舶排放控制区,全面实施船舶靠岸换油措施。

据介绍,长三角地区自2016年4月1日起实施减排方案以来,船舶排放的硫含量大大降低。从环保部门监测统计数据显示来看,长三角各地空气质量均有所改善,临港地区二氧化硫浓度下降程度尤为显著。

其中,2016年4月至12月与2015年同期相比,上海市东高桥监测站二氧化硫浓度同比下降9.7μg/m3,下降比例为52%;新江湾城监测站二氧化硫浓度同比下降2.6μg/m3,下降比例为23%。2017年上半年,宁波镇海空气质量监测点的二氧化硫浓度为11μg/m3,同比下降31%;北仑空气质量监测点的二氧化硫浓度为11μg/m3,同比下降为21%。

上海组合港管委会办公室主任徐国毅告诉记者,上海、江苏、浙江三地海事部门积极对船舶开展相关安全检查,统一执法,扎实推进减排方案,切实改善了各地的空气质量。

据了解,2015年12月,交通运输部在珠三角、长三角、环渤海(京津冀)水域设立船舶排放控制区,推进绿色航运发展和船舶节能减排。自该方案执行以来,港口污染物排放量大大降低了。

目前,我国船舶排放标准与国际标准相比仍然存在差距。根据方案要求,船舶排放标准还将继续提高,2019年1月1日起,船舶进入排放控制区即须使用低硫燃油,届时港口城市空气质量将进一步改善。

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