INVESTIGATION AND DETECTION OF LEGIONELLA PNEUMOPHILA IN IRANIAN OIL REFINERIES’ COOLING TOWERS

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SOHEILI MAJID; TIRANDAZ HASSAN; KAVEH AHANGAR RAFAT; HEYDARIAN ABDALRASOUL

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Journal: PETROLEUM RESEARCH Year:2015 | Volume:25 | Issue:81 Page(s): 136-144

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Title

INVESTIGATION AND DETECTION OF LEGIONELLA PNEUMOPHILA IN IRANIAN OIL REFINERIES’ COOLING TOWERS

Author(s)

SOHEILI MAJID | TIRANDAZ HASSAN | KAVEH AHANGAR RAFAT | HEYDARIAN ABDALRASOUL | Issue Writer Certificate

Keywords

LEGIONELLA PNEUMOPHILAQ2

LEGIONNAIRES’ DISEASEQ2

BCYE-A AGARQ2

COOLING TOWERQ2

IRANIAN REFINERIESQ2

AEROSOLQ2

Abstract

Regarding the presence of appropriate conditions for the growth of LEGIONELLA PNEUMOPHILA in COOLING TOWER water, the population of this bacterium can rapidly increase in contaminated systems. When these waters are AEROSOLized, small re- spirable-sized droplets containing Legionella can reach the respiratory system of the susceptible person and cause LEGIONNAIRES’ DISEASE. LEGIONNAIRES’ DISEASE is a severe form of pneumonia that can be lethal if not detected in the early stage of contamination. In this research, the contamination of five Iranian oil refinery cool- ing towers with L. pneumophila was investigated by culture-dependent methods. The results showed that COOLING TOWERs in three refineries were contaminated by L. pneumophila. Seasonal investigation showed that in these cases bacterial count almost were more than 100 CFU/ml. In the two cases, in some seasons, bacterial counts were 1000 CFU/ml and in one another case it was 800 CFU/ml, which all were in the risk limit. The results showed that COOLING TOWER water treatment and their management in some refineries were not sufficient and must be modified as soon as possible. Using suitable biocide and system cleaning along with extra at- tention on anti-microbial treatment should be applied.

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APA: Copy

SOHEILI, MAJID, TIRANDAZ, HASSAN, KAVEH AHANGAR, RAFAT, & HEYDARIAN, ABDALRASOUL. (2015). INVESTIGATION AND DETECTION OF LEGIONELLA PNEUMOPHILA IN IRANIAN OIL REFINERIES’ COOLING TOWERS. PETROLEUM RESEARCH, 25(81), 136-144. SID. https://sid.ir/paper/114650/en

Vancouver: Copy

SOHEILI MAJID, TIRANDAZ HASSAN, KAVEH AHANGAR RAFAT, HEYDARIAN ABDALRASOUL. INVESTIGATION AND DETECTION OF LEGIONELLA PNEUMOPHILA IN IRANIAN OIL REFINERIES’ COOLING TOWERS. PETROLEUM RESEARCH[Internet]. 2015;25(81):136-144. Available from: https://sid.ir/paper/114650/en

IEEE: Copy

MAJID SOHEILI, HASSAN TIRANDAZ, RAFAT KAVEH AHANGAR, and ABDALRASOUL HEYDARIAN, “INVESTIGATION AND DETECTION OF LEGIONELLA PNEUMOPHILA IN IRANIAN OIL REFINERIES’ COOLING TOWERS,” PETROLEUM RESEARCH, vol. 25, no. 81, pp. 136–144, 2015, [Online]. Available: https://sid.ir/paper/114650/en

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