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   Experimental Optimization of the Disinfection Performance of Sodium Hypochlorite and Hypochlorous Acid in Pilot and Industrial Cooling Towers  
   
نویسنده Behzadi Bahman ,Noei Maziar ,Azimi Alireza ,Mirzaei Masoume ,Anaraki Ardakani Hossien
منبع Iranian Journal Of Oil And Gas Science And Technology - 2021 - دوره : 10 - شماره : 2 - صفحه:1 -11
چکیده    Water can contain microorganisms and cause deposition and corrosion in cooling tower systems. therefore, the water treatment of cooling towers is essential. various biocides are used to remove bacteria and disinfect the water of cooling towers, and the most commonly used are sodium hypochlorite and chlorine compounds. this work examined two chlorinated water, namely hypochlorous acid and sodium hypochlorite, in two pilot and industrial cooling towers. the results of the experiments on the pilot tower showed that the performance of hypochlorous acid in the disinfection and removal of bacteria and microorganisms was excellent. the total bacterial count decreased from 10000 to less than 800 (cfu/ml) compared to sodium hypochlorite. the experiments were performed on the industrial cooling tower of an acetic acid unit for six months, in which ph, free chlorine, total bacterial count (tbc), and sulfate-reducing bacteria (srb) were measured. the very high disinfection power of hypochlorous acid compared to sodium hypochlorite and its relatively lower ph level led to a significant reduction in the use of chemicals in the cooling tower. the experiments and tbc and srb tests showed outstanding performance in using hypochlorous acid.
کلیدواژه Cooling Tower ,Hypochlorous Acid ,Sodium Hypochlorite ,Tbc And Srb Bacteria
آدرس Islamic Azad University, Mahshahr Branch, Department Of Chemical Engineering, Iran, Islamic Azad University, Mahshahr Branch, Department Of Chemistry, Iran, Islamic Azad University, Mahshahr Branch, Department Of Chemical Engineering, Iran, Islamic Azad University, Mahshahr Branch, Department Of Chemical Engineering, Iran, Islamic Azad University, Mahshahr Branch, Department Of Chemistry, Iran
پست الکترونیکی hosseinanaraki@yahoo.com
 
     
   
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