As a cultural hub, a library in Shanghai is facing a compound air pollution problem: the formaldehyde concentration in the ancient book restoration area has exceeded the standard for a long time, and the volatile organic compounds (VOCs) in the new book storage area and the high humidity environment in summer jointly give birth to Aspergillus niger spores; The early peak value of PM2.5 in the reading area exceeded the national standard twice, which was due to the secondary pollution of external dust and paper document turning dust, overlay the literature depreciation acid taste and detergent ammonia taste, forming a hidden sensory pollution network.

In order to improve the reader's reading experience and solve the problem of odor in the library, the library decided to install the air sterilization and deodorization machine of Lingze Technology. According to the characteristics of the confined space in the library, the efficient removal of PM in the airFormaldehydeVOCCO₂Such as harmful pollutants, to ensure that readers breathe safe, fresh and healthy air when reading. Air sterilization and odor removal machine can effectively kill bacteria and viruses in the air, and remove peculiar smell, to ensure that readers can read in a clean, sterile and safe environment.