Abstract: With the increasingness of air pollution and people's environmental awareness is gradually strengthened, air quality has become one of the most concerned issues in everyday life. People are getting deeper with air purification. At present, the air filter is mainly used in indoor air purifiers, construction ventilation systems, clean rooms, etc., and air filter applications are also increasingly wide. There is also more and more prominent odor problems about environmentally friendly health and comfort. This paper provides comprehensive exploration of aerobic odor evaluation methods, odor ingredients and odor generating mechanisms, odor elimination techniques, etc., providing reference for activated carbon air filter development.

Key words: Air filter, Air purifier, Odor evaluation