بررسی کارایی فرایند ازن/ پرسولفات در حذف آنتی‌بیوتیک سیپروفلوکساسین از پساب صنایع دارویی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی همدان، همدان، ایران

2 دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی همدان، همدان، ایران

چکیده

حضور پساب‌های حاوی ترکیبات آنتی بیوتیکی مانند پساب صنعت داروسازی از مشکلات جدی در رابطه با آلودگی محیط زیست به حساب می‌آید. فرایند ازن/ پرسولفات، فرایندی نو ظهور در حذف آلاینده‌های مقاوم در برابر تصفیه متداول است. این فرایند با بهره‌گیری از رادیکال آزاد سولفات به‌عنوان اکسید کننده قوی، کارایی بالایی در حذف آلاینده‌های مقاوم دارد. در این مطالعه تجربی، کارایی این فرایند در حضور آنتی بیوتیک سیپروفلوکساسین با غلظت 10تا 100 میلی‌گرم در لیتر در حضور  صفر تا 15 میلی مولار پرسولفات در مدت زمان واکنش 30 دقیقه در راکتور نیمه پیوسته با حجم مفید یک لیتر بررسی شد. نتایج نشان می‌دهد که در شرایط بهینه بهره‌برداری شامل : pH برابر 3، دز پرسولفات برابر 10 میلی مولار، دز ازن برابر 1 گرم در ساعت و غلظت اولیه آنتی بیوتیک برابر 10 میلی‌گرم در لیتر، این فرایند قادر است 96 درصد از آنتی‌بیوتیک سیپروفلوکساسین را حذف نماید. با تغییر در شرایط آزمایش، راندمان فرایند تغییر می‌کند. نتایج حاصل از این مطالعه نشان داد، فرایند ازن/ پرسولفات، می‌تواند یک فرایند مناسب برای حذف آلاینده‌های  مقاوم و دیر تجزیه‌پذیر باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Efficiency of Ciprofloxacin (CIP) Removal from Pharmaceutical Effluents Using the Ozone/Persulfate(O3/PS) Process

نویسندگان [English]

  • Alirezi Rahmani 1
  • Amir Shabanlo 2
  • Saba Majidi 2
  • Monireh Tarlani-Azar 2
  • Jamal Mehralipour 2
1 Prof. of Environmental Health Engineering, Facutly of Public Health, Hamadan University of Medical Sciences, Hamadan
2 . MSc Student of Environmental Health, Engineering, Faculty of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
چکیده [English]

A newly emerging environmental problem is the discharge of pharmaceutical effluents containing antibiotic compounds. Compared to common methods, the ozone/persulfate process is a novel measure for treating persistent pollutants. This process is highly efficient in removing pollutants by using the free radicals of sulfates as powerful oxidants. In this study, a semi-continuous reactor with a useful volume of 1 L was used to evaluate the performance of the ozone/persulfate process in treating the ciprofloxacin antibiotic at concentrations from 10 to 100 mg/L in the presence of 0 to 15 mM of persulfate in 30 min. The results showed that under the optimized operating conditions of pH = 3, persulfate dose = 10 mM, ozone dose = 1 g/h, and an initial antibiotic concentration of 10 mg/L, this method was capable of removing 96% of the contaminant. Moreover, the efficiency of the process was found to be a function of experimental conditions. Based on the results of this study, it may be concluded that the ozone/persulfate process can be considered as an appropriate process for treating persistent and non-biodegradable pollutants.

کلیدواژه‌ها [English]

  • Ozone/Persulfate Process
  • Antibiotic Ciprofloxacin
  • Persistent Pollutants
  • Pharmaceutical Effluents

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مجله آب و فاضلاب
دوره 27، شماره 1 - شماره پیاپی 1
پیاپی: 101
فروردین و اردیبهشت 1395
صفحه 40-48

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