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Iranian Journal of Health Sciences، جلد ۱، شماره ۲، صفحات ۴۳-۵۵
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Application of Azolla for 2-Chlorophenol and 4-Chrorophenol Removal from Aqueous Solutions |
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| چکیده انگلیسی مقاله |
Background and purpose: The 2-chlorophenol (2-CP) and 4-chlorophenol (4-CP) are phenolic compounds which may have adverse effects on human and environment. Therefore, removing these compounds from water and wastewater is necessary. This study aims to analyze 2-CP and 4-CP removal by using Azolla filiculoides biomass. Materials & Methods: Azolla biomass was sun dried, crushed and sieved to particle sizes ranging 1-2 mm. Then it was treated with 0.1M HCl for 5h followed by washing with distilled water and it was used as adsorbent. The residues concentration of 2-CP and 4-CP was measured by spectrophotometer in λmax of 274 and 280 nm, respectively. Results: The solute removed increases as contact time rises. The equilibrium time for 2-CP and 4-CP is 90 and 75, respectively. The removal efficiency of 4-CP is more than 2-CP. An increase in initial concentration of both compounds can lead to decrease of their removal efficiency. The optimum pH to remove both compounds is 5. The equilibrium data matched best on Freundlich isotherm and the adsorption kinetic model follows pseudo-second model. Conclusion: The results indicated that Azolla is an effective adsorbent for removing 2-CP and 4-CP from water and wastewater. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
محمد علی ززولی | mohammad ali zazouli
department of environmental health engineering, health sciences research center, mazandaran university of medical sciences, sari, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (Mazandaran university of medical sciences)
داود بلارک | davoud balarak
msc student of environmental health, mazandaran university of medical sciences.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (Mazandaran university of medical sciences)
یوسف مهدوی | yousef mahdavi
msc student of environmental health, mazandaran university of medical sciences.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (Mazandaran university of medical sciences)
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| نشانی اینترنتی |
http://jhs.mazums.ac.ir/browse.php?a_code=A-10-343-7&slc_lang=en&sid=en |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
بهداشت محیط زیست |
| نوع مقاله منتشر شده |
پژوهشی |
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