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Study of ozone disinfection in the hospital environment
Author(s) -
Tu Le Hoang,
Oanh Le Hoang,
Trung Nguyen Vu,
Cuong Le Cao,
Oanh Doan Thi Yen,
Dieu Tran Vinh,
Nghi Nguyen Hoang
Publication year - 2020
Publication title -
vietnam journal of chemistry
Language(s) - English
Resource type - Journals
eISSN - 2572-8288
pISSN - 0866-7144
DOI - 10.1002/vjch.202000042
Subject(s) - ozone , environmental health , business , environmental science , medicine , chemistry , organic chemistry
Hundreds of millions of patients are affected by health care‐associated infections worldwide each year. In the hospitals, contaminated surfaces and air may play an important role in the transmission of respiratory pathogens. Recently, ozone disinfection is employed and shows the effectiveness as an alternative sanitizing technology to conventional disinfectants in reducing the microbial contamination in air as well as in the surfaces of the functional rooms of the hospitals. In this paper, the disinfection capacity of ozone gas is investigated by means of analysing the CFU reduction during ozonation of an operative theatre in Ha Dong polyclinic hospital (Hanoi, Vietnam). The full removal of the microorganisms and fungi in the operative theatre during ozonation was achieved by using ozone of 5 ppm concentration and exposure time of 40‐60 min.