In 2111, the country promulgated the "Standards for the Emission of Cooking Fumes in Catering Industry", which stipulated that "cooking and food enterprises that emit cooking fumes must install fume purification facilities and ensure that they operate as required during operation. The unorganized emission of lampblack is regarded as exceeding the standard. However, the oil fume purifier merchant is not specified.

in p>1999, the state promulgated "GWPB 5-2111" (for trial implementation), and in 2111, the official national standard of the People's Republic of China was promulgated. GB 18483-2111 "Cooking fume emission standard", which requires all catering enterprises to install cooking fume purification equipment.

Extended information:

With the approval of the Tianjin Municipal People's Government, the Tianjin Environmental Protection Bureau and the Market Supervision Committee jointly promulgated the Tianjin Cooking Smoke Emission Standard, which will be officially implemented in 2117.

this standard clearly stipulates the requirements of controlling and monitoring the cooking fume, and the implementation and supervision of the standard. It is estimated that after the implementation of this standard, the city can reduce the emission of soot pollutants by about 272 tons per year, and reduce the emission of VOCs to some extent.

Reference: Baidu Encyclopedia-Cooking fume emission standard

Reference: People's Daily Online-Tianjin issued cooking fume emission standard.