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“林中之城”深呼吸

2017-08-18 07:07:54   中国青年网

破难点:油烟净化再排放,扬尘治理下功夫

大气污染源点多面广,但郴州“一个都不放过”。

入夜时分,城区南湖路上的烧烤店“烤匪”宾客满座,厨房里炉火正旺,店内店外却并无呛人的油烟味,屋后的排烟管道看上去很干净,没有油垢。

“烤匪”开张1年多,郴州市环保局北湖分局监察大队副队长王静却已成“常客”。因为油烟污染,周边居民投诉不断。王静半开玩笑地说,每次开展现场执法,基本就是居民跟老板吵,老板跟执法人员吵。

餐饮店遍布大街小巷,油烟直排并不是小事。在环保部门的督促下,“烤匪”今年上半年安装了油烟净化器,并将烟管延长升至楼顶,进行了隔音处理。经过一系列改造后,环保部门现场检测发现油烟排放已在标准限值之下,未再接到周边群众投诉。

目前,郴州市已完成油烟治理的大中型餐饮企业和食堂共计2186家,城区改造完成率达100%。

对PM2.5前体物之一的挥发性有机物污染(VOCS),郴州开展了专项整治,目前已完成市城区87家汽车维修店和4S店VOCS治理;完成了296座加油站油气回收改造工程,完成率85%。

治理扬尘污染,郴州也下了功夫。在杉木岭保障性住房项目的施工现场,记者看到,30多个喷淋点持续降尘,2台移动雾炮机正在“执勤”,建筑垃圾覆有防尘网,车辆出入口设置了过水槽和高压冲洗装置……据市住建部门工作人员介绍,这样的防扬尘措施在市区建筑工地已成“标配”。

今年1至7月,郴州的空气优良率是90.6%,与有数据可比的2015年同期相比,优良率提升了7.4%。郴州市环保局副局长蒋红彬介绍,为进一步提升环境质量,创建空气达标示范城市,去年来,该局委托省环科院开展为期一年的PM2.5污染源解析,预计10月可出最终报告,通过科学系统地分析污染物浓度超标的真实原因,更好地“对症下药”。

链接

空气质量稳步提升

近年来,我省落实大气污染防治行动计划,打好“蓝天保卫战”,成效明显。

加大工业大气污染治理和小锅炉淘汰力度。实现了燃煤发电机组的全面达标排放,其中19台燃煤火电机组已完成超低排放改造。全省67条新型干法水泥生产线已全部完成脱硝设施建设与改造。5年来,全省淘汰燃煤小锅炉2480台,长沙市城区内已实现无燃煤锅炉。全面启动挥发性有机物(VOCS)污染防治。

加强机动车环境监管与排气治理,2013年来全省淘汰黄标车和老旧车46.5万辆。加强面源污染防治,城区重点餐饮经营场所基本实现高效油烟净化设施全覆盖,全面禁止秸秆、垃圾等废弃物露天焚烧。强化重污染天气应对和区域联防联控,在长株潭地区建立特护期(每年10月至次年2月)督查机制。

制定出台我省首部大气污染防治方面的地方性法规——《湖南省大气污染防治条例》,于今年6月1日起施行,将有力推动大气污染防治依法开展。

2016年,全省14个市州城市优良天数比例为81.2%(优良天数为293天),较2015年提高了3.2%,高于全国城市优良天数比例。其中,二氧化硫、二氧化氮年均浓度优于国家一级标准;PM10、PM2.5年均浓度分别为76毫克/立方米、48毫克/立方米,分别同比下降8.4%、9.4%。

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