At present, it is stipulated by law that hotels must install oil fume purification equipment, which is not allowed to be directly discharged to the outside world, and must be discharged after purification.

There are several types of oil fume purifiers, and there are several standards in China. One is an oil fume purifier that emits oil fume at high altitude, and the national regulations require it to reach more than 61%. There is also a low-altitude direct-discharge lampblack purifier, the national specification is over 91%. In this case, the lampblack purifier with low-altitude emission will be approved for environmental protection, or the pipeline will be installed on the roof, so it can be installed at high altitude.

Extended information:

The national standard for cooking fume purification treatment in catering industry is <: Cooking fume emission standard > GB18483-2111。 All the sales of such products must obtain the national environmental protection product certification (CCEP certification) to prove that they meet the national standards before they can be sold.

Environmental Protection Law of the People's Republic of China:

Article 28: Enterprises and institutions that discharge pollutants that exceed the national or local pollutant discharge standards shall pay the pollutant discharge fee that exceeds the standard in accordance with state regulations and be responsible for the treatment.

Article 29: Enterprises and institutions that cause serious environmental pollution shall be treated within a time limit. Units that have been treated within a time limit must complete the treatment task as scheduled.

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