بررسی و ارزیابی عملکرد ازن‌زنی به‌همراه کربن فعال در حذف سفکسیم از محیط‌های آبی

نوع مقاله : مقاله پژوهشی

نویسندگان

دانشگاه صنعتی سهند

چکیده

در این‌مقاله، ازن‌زنی و ازن‌زنی همراه با کربن فعال به‌منظور حذف مادۀ دارویی سفکسیم از محیط­های آبی مورد مطالعه قرار گرفت. نتایج آزمایش ازن‌زنی بر سفکسیم نشان داد که ازن‌زنی بر روند حذف سفکسیم از محلول آبی تأثیر مثبت دارد، به‌طوری‌که غلظت آلایندۀ دارویی در مدت زمان 30 دقیقه از ppm 55به ppm 6 کاهش یافت. همچنین مؤلفۀ COD نیز به‌میزان 51% کاهش پیدا کرد. تأثیر استفاده از ازن همراه با کربن فعال، برای غلظت مشخصی از آلایندۀ دارویی ثابت شد. تأثیر مؤلفه‌های عملیاتی مختلف از قبیل میزان غلظت آلایندۀ دارویی، غلظت کربن فعال، میزان غلظت ازن ورودی، زمان واکنش و pH
بر روی فرایند ازن‌زنی همراه با کربن فعال بررسی شد. حداکثر بازده حذف سفکسیم از محیط‌های آبی به‌میزان 96% محاسبه گردید. این مقدار در
pH خود محلول و در حدود 4 به‌دست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

Investigation and Evaluation of Ozonation Performance with Activated Carbon in Removal of Cefixime from Aqueous Environments

نویسندگان [English]

  • S. S. Oskoue
  • D. Kahforoushan
  • N. Jodyree
  • M. Mohammadi
Sahand University of Technology
چکیده [English]

In this paper, the ozonation and ozonation with activated carbon methods to remove cefixime medicinal material from aquatic environments have been studied. The results showed that ozonation has had a positive impact on removal of cefixime from aquatic solution, so that the concentration of medicinal contaminant has decreased from 55 ppm to 6 ppm in 30 minutes. Moreover, the COD parameter was reduced by 51%. According to the obtained values, the effect of activated carbon on a certain concentration of medicinal contaminant has been confirmed. Also, the effect of different operational parameters such as concentration of contaminant, concentration of activated carbon, concentration of inlet ozone, reaction time and pH on the process of ozonation with activated carbon was investigated. The maximum removal efficiency of cefixime from aquatic environments was obtained as 96%. This number was obtained at the pH level of aquatic solution which was about 4.

کلیدواژه‌ها [English]

  • Ozonation
  • Ozonation and Activated Carbon
  • Cefixime
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