2025年优良天数比率达90%以上!辽宁大连空气质量持续改善行动工作方案征求意见
责任编辑:cnlng    浏览:190次    时间: 2024-08-09 13:37:28    | 来源:大连市生态环境局   

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摘要:方案显示,加强建筑工地“六个百分百”监管,严格落实扬尘公示制度,实现“同步开工、同步公示”。合理规划道路施工作业时间和作业面,有效降低扬尘污染。加强执法监督力度,强化工业企业堆场料场扬尘防控。持续推进裸地整治,将裸地源头治理纳入工程项目前期设计,..

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方案显示,加强建筑工地“六个百分百”监管,严格落实扬尘公示制度,实现“同步开工、同步公示”。合理规划道路施工作业时间和作业面,有效降低扬尘污染。加强执法监督力度,强化工业企业堆场料场扬尘防控。持续推进裸地整治,将裸地源头治理纳入工程项目前期设计,及时做好收储地块、闲置工地、公共用地绿化硬化。将防治扬尘污染费用纳入工程造价。

加强露天矿山扬尘管控,依法关闭安全生产、生态环境限期整改不达标矿山。

定期开展储罐密封性检测,鼓励使用低泄漏的呼吸阀、紧急泄压阀。推广使用汽车罐车密封式快速接头。污水处理场所高浓度有机废气要单独收集处理;含VOCs有机废水储罐、装置区集水井(池)有机废气要密闭收集处理。企业开停工、检维修期间,及时收集处理退料、清洗、吹扫等作业产生的VOCs废气。企业不得将火炬燃烧装置作为日常大气污染处理设施。

目标明确,以降低细颗粒物(PM2.5)浓度为主线,加强PM2.5和臭氧协同控制,大力推动氮氧化物和挥发性有机物(VOCs)减排,持续推进空气质量巩固改善。到2025年,全市优良天数比率达到90%以上;细颗粒物(PM2.5)浓度达到省考指标,力争不超过27微克/立方米;基本消除重度及以上污染天气,重度及以上污染天数比率不超过0.6%;VOCs排放总量和氮氧化物分别比2020年下降10%以上。

The plan shows that the "six hundred percent" supervision of construction sites should be strengthened, the dust publicity system should be strictly implemented, and the "synchronous construction and synchronous publicity" should be realized. Reasonable planning of road construction work time and work surface, effectively reduce dust pollution. Strengthen law enforcement and supervision, and strengthen the prevention and control of dust in the storage yard of industrial enterprises. Continue to promote the renovation of bare land, incorporate the source control of bare land into the preliminary design of engineering projects, and promptly do a good job in the greening and hardening of land collection and storage, idle construction sites, and public land. The cost of preventing and controlling dust pollution will be included in the project cost.

We will strengthen the control of dust in open-pit mines, and close mines that fail to meet production safety and ecological environment standards within a specified period of time.

Regularly carry out tank tightness testing, and encourage the use of low-leakage breathing valves and emergency pressure relief valves. Promote the use of sealed quick joints for automobile tankers. High-concentration organic waste gas in sewage treatment sites should be collected and treated separately; Organic waste gas from organic waste water storage tanks and collection Wells (ponds) in the installation area containing VOCs should be closed for collection and treatment. During the opening and closing of the enterprise, inspection and maintenance, timely collection and treatment of the VOCs exhaust gas generated by the return of materials, cleaning, purging and other operations. Enterprises shall not use torch burning devices as daily air pollution treatment facilities.

To reduce the concentration of fine particulate matter (PM2.5) as the main line, strengthen the coordinated control of PM2.5 and ozone, vigorously promote the emission reduction of nitrogen oxides and volatile organic compounds (VOCs), and continue to promote the consolidation and improvement of air quality. By 2025, the ratio of good days in the city will reach more than 90%; The concentration of fine particulate matter (PM2.5) shall reach the provincial examination target, and strive not to exceed 27 micrograms/cubic meter; Severe or above pollution days are basically eliminated, and the ratio of severe or above pollution days does not exceed 0.6%; Total VOCs emissions and nitrogen oxides were reduced by more than 10% from 2020.


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