Research on the Current Situation of VOCs Governance in Typical Industries in Shenzhen
The change trend of ambient air quality(AQI)and ozone(O3)evaluation concentration in Shenzhen since 2016 was sorted out.The O3,NO2 and AQI data of two atmospheric environment state control stations in Longgang and Xixiang from July to September 2022 were selected to draw curves for comparison,and the reaction relationship between VOCs and O3 generation was analyzed.It is concluded that VOCs is an important factor affecting ambient air quality.Further taking Shenzhen packaging printing,metal products,plastic products and electronic circuits and other typical industries as the VOCs governance status as the research object,20 enterprises were selected to collect VOCs governance information by on-site investigation and concentration monitoring.Focusing on the problems of inappropriate VOCs end-treatment technology,low purification efficiency,non-standard operation and maintenance of treatment facilities,and combining the current VOCs emission standards and relevant laws and regulations,targeted suggestions are put forward for the governance and emission of VOCs for enterprises,hoping to promote the regulatory work of ecological environment authorities.Provide technical support for Shenzhen to fight a good blue sky defense battle and defend"Shenzhen Blue".