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URL: http://ioh.iums.ac.ir/article-1-662-en.html
Background and aims: Bio aerosols in the workplace of health-care workers is one of the hazardous agents that needs more research. .This study investigated the feasibility application of the Iranian natural zeolites (INZ) for purification of air contaminated with seudomonas aerognisa.
Methods: In this study INZ was prepared in laboratory conditions. The INZ crushed and pulverized using grinder and standard ASTM sieves with the range of 20- 40 mesh. Pseudomonas aerognisa. strain (ATCC: 27853 ) was applied in this research and the bacterial aerosol with concentrations of 105and 106 colony forming units (CFU) per mL air flow were prepared using a nebulizer and injected into the system.
Results: The result of this research shows that the residual bacteria in the effluent air flow efficiency has a linear correlation with the adsorbent weight, as 105 CFU/mL initial bacterial concentration and with 50 and 60 g adsorbent mass after 60 min reached to 33 and 20 bacteria number, respectively.
Conclusion: Iranian natural zeolite is an adsorbent with high adsorption efficiency capable of filtration and purification of air contaminated with pseudomonas aerognisa bacteria
Received: 2012/03/1 | Accepted: 2013/08/26 | Published: 2013/08/26
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