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“安徽这十年”:空气、水环境质量连创有监测记录以来最好水平

2022-08-25 15:24:03来源:环保在线 阅读量:4363

导读:发布会介绍,十年来,安徽省水环境治理取得了转折性变化,优良水体比例稳步提升,记忆中的河流重回清水绿岸,集中式饮用水水源地都划定了保护区并实施了保护区问题“清零行动”,从源头上保障了群众饮水安全。
  2022年8月24日,中共安徽省委宣传部举行“安徽这十年”生态环境专场新闻发布会,介绍生态文明建设相关情况。
 
  发布会介绍,安徽省空气、水环境质量连创有监测记录以来最好水平。2021年,全省PM2.5平均浓度为34.9微克/立方米,比2015年下降32.7%;地表水国考断面水质优良比例83.5%,总体水质优良比例较2012年上升10.6个百分点,劣Ⅴ类断面比例由11.4%下降为零,城市黑臭水体全部消除;
 
  发挥环境保护引领倒逼作用,推动经济发展绿色转型和产业升级。十年来,安徽省碳排放强度降低了21.3%;单位GDP能耗下降了31%;二氧化硫、氮氧化物、化学需氧量、氨氮4项主要污染物下降幅度均超20%。全省煤炭消费占能源消费比重下降14个百分点,可再生能源发电装机占比提高26.5个百分点。
 
  “五控”措施推进大气污染防治
 
  发布会上,相关负责人介绍,过去十年,安徽省圆满完成了大气环境质量改善既定目标。在深入打赢蓝天保卫战的实践中,将大气污染防治重点工作总结归纳为“五控”措施,控煤、控气、控车、控尘、控烧。
 
  控制煤炭消费:全面完成35蒸吨以下燃煤锅炉淘汰,大力推动燃煤设施清洁能源替代,将散煤燃烧转变为集中高效燃烧,在提升燃烧效率的基础上极大地降低了污染物排放。
 
  严控工业废气:通过加严污染物排放标准,开展工业炉窑深度治理,推进钢铁行业超低排放改造,推进石化、化工等重点行业挥发性有机物综合整治等手段,全面推动重点工业企业污染物减排。如安徽省2020年出台的水泥行业地方标准,主要污染物排放浓度限值较国家标准加严1倍以上,仅此一项每年可减排氮氧化物近7万吨,占全省氮氧化物排放总量的14%。
 
  控制机动车污染:开展柴油货车污染专项治理,全省范围内40万辆黄标车实现全部淘汰,通过检查、监测、维修一体化流程,加强排放不达标机动车治理,基本杜绝“冒黑烟”机动车上路现象。控尘即控制各类扬尘污染,重点关注企业“跑冒滴漏”无组织排放,实行施工扬尘“六个百分百”提升工程,一改城市建设“尘土飞扬”现象。
 
  控制秸秆焚烧、烟花爆竹燃放:通过卫星遥感、视频监控、人工巡查相结合,立体化开展秸秆禁烧,杜绝收割季节漫天烟尘的现象;将划定烟花爆竹禁燃区与倡导文明过节相结合,减少春节、清明等时段集中燃放烟花爆竹对环境空气的影响。
 
  水环境治理取得转折性变化
 
  发布会介绍,十年来,安徽省水环境治理取得了转折性变化,优良水体比例稳步提升,记忆中的河流重回清水绿岸,集中式饮用水水源地都划定了保护区并实施了保护区问题“清零行动”,从源头上保障了群众饮水安全。
 
  相关负责人表示,十年来131个省级以上工业园区全部建成污水集中处理设施。实现乡镇政府驻地和省级美丽乡村中心村污水处理设施全覆盖。2万多艘船舶全部具备生活污水收集或处理装置,283座码头船舶垃圾、生活污水、含油污水接收设施实现全覆盖并与转运处置设施有效衔接,安庆化学品洗舱站建成投运;
 
  实施了长江经济带水清岸绿产业优新一轮提升工程,一体推进治污、治岸、治渔。实施六期环巢湖生态保护与修复工程,全面完成环巢湖十大湿地建设,巢湖水质保持Ⅳ类,连续两年未发生大面积蓝藻水华,基本做到蓝藻不聚集、无异味,让群众感受到了变化;合肥人民的母亲河南淝河由劣Ⅴ类变为Ⅳ类,重现碧波。协同推进淮河干支流污染治理,开展水污染联防联控,淮河干流水质为优良。引江济淮治污工程全面推进。新安江出境水质长期保持在Ⅱ类,高锰酸盐指数、氨氮较2012年分别下降11.1%、50%。
 
  接下来,安徽省将坚持源头治理,推动城镇污水处理设施提质增效和雨污管网修复改造,全面消除县城和农村黑臭水体,着力突破农业面源污染治理短板,不断提升水环境质量。

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