What standard does the restaurant fume reach after being treated by the fume purifier?

At the end of August this year, the Ministry of Ecology and Environment issued the "Emission Standards for Oily Fume Pollutants in the Catering Industry (Draft for Comments)", which requires the oily fume emission limit of the exhaust cylinder or purification facility of the catering service unit to be non-methane total hydrocarbons and 10mg m3.

According to the different scale of the catering business unit, it is divided into large, medium and small, and the minimum removal efficiency of the fume purifier is % and 85% respectively, and for the maximum allowable emission concentration, this is mainly for the existing catering business unit of the fume emission management, as well as the design of the newly established catering business unit, the environmental impact assessment of the environmental protection facilities and the management of fume emission during the operation period; The food processing units and non-operating units emit oily fumes have internal staff canteens, and there are no requirements for household oily fume emissions. These two standards are aimed at the requirements of oil fume purifiers for oil fume treatment, but there are no clear regulations on taste.

Look at your local environmental protection requirements, the requirements of the third- and fourth-tier cities to meet the requirements, the first- and second-tier cities are, at the end of August this year, the ecological environment.

The Ministry of Response issued the "Emission Standards for Oily Fume Pollutants in the Catering Industry (Draft for Comments)", which requires that the oily fume limit of the exhaust cylinder or purification facility of catering service units is non-methane total hydrocarbons, and the limit is 10mg m3.