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Iranian Journal of Public Health، جلد ۴۰، شماره ۴، صفحات ۱۲۲-۱۲۸
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عنوان انگلیسی Removal of Malathion Insecticide from Water by Employing Acoustical Wave Technology
چکیده انگلیسی مقاله Background: Organophosphorus pesticides are one of the most prevalent usages for pest control in the country. Such pesti­cides enter into water sources by different routes. Since drinking of contaminated water at the higher doses than the standard level, may causes undesirable effects to human health and ecosystem. The object of this research was to investigate the ef­fect of various parameters including time, power and concentration on sonodecomposition of malathion insecticide in the water. Methods: The sonochemical degradation of malathion was investigated using acoustic wave technology (AWT). AWT with 130 kHz was used to study the decomposition of insecticide solution. Samples were analyzed using HPLC at different inter­vals times. Effectiveness of AWT at different times (20, 40, 60, 80, 100, and 120 minutes), concentrations of malathion at 2, 4 and 8 mg/L as well as powers of device (300W, 400W, 500W) are compared. Results: These findings showed that the degradation of the malathion insecticide at lower concentrations was greater in comparison to higher concentrations. Also, there was positive correlation between power increasing and the ability to ma­lathion degradation Conclusion: The sonodegradation of malathion at different concentrations and powers was successfully achieved. It has been shown that acoustical wave technology can be used to reduce the concentration of dissolved insecticide using high fre­quency.
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نویسندگان مقاله m شایقی | m shayeghi
dept. of medical entomology and vector control, school of public health, tehran


mh دهقانی | mh dehghani
dept. of environmental health engineering, school of public health, tehran university of medical sci

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

am فدایی | am fadaei
dept. of environmental health engineering, school of public health, tehran university of medical sci

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/3021
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