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  • بررسی کارایی سنتز پودر کربن فعال مغناطیسی شده با نانو ذرات Fe3O4 جهت حذف فلز کادمیوم از محلول های آبی با روش پاسخ-سطح مدل باکس بنکن

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کد مقاله : JEST-1609-3018 (R1) بازدید : 81 صفحه: 23 - 34

10.22034/jest.2017.21191.3018

نوع مقاله: پژوهشی

بررسی کارایی سنتز پودر کربن فعال مغناطیسی شده با نانو ذرات Fe3O4 جهت حذف فلز کادمیوم از محلول های آبی با روش پاسخ-سطح مدل باکس بنکن

محورهای موضوعی : آلودگی محیط زیست (آب و فاضلاب)

خوشناز پاینده 1 (استادیارگروه خاک شناسی، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران * (مسوول مکاتبات).)
صادق قاسمی 2 (باشگاه پژوهشگران جوان و نخبگان، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران)

تاریخ دریافت : 1395/07/08 تاریخ پذیرش : 1395/09/03 تاریخ انتشار : 1398/08/01

کلید واژه: حذف آلاینده, کربن فعال مغناطیسی شده, فلز سنگین,

چکیده مقاله :

زمینه و هدف : روش جداسازی مغناطیسی به دلیل هزینه کم، سادگی و سرعت بالای جداسازی و همچنین راندمان بالا به طور گسترده ای در حذف آلاینده ها و رفع معضلات پیرامون محیط زیست استفاده شده است. هدف از این مطالعه سنتز کربن فعال مغناطیسی شده با نانو ذرات اکسید آهن مغناطیسی Fe3O4 جهت حذف فلز سمی کادمیوم از محیط های آبی می باشد . روش بررسی: جاذب مغناطیسی با استفاده از روش هم ترسیبی آماده شد و مشخصات فیزیکی و ساختاری جاذب سنتز شده با تکنیک های XRD، TEM و SEM مورد آنالیز قرار گرفت. برای بهینه سازی متغیرها، آزمایش ها با روش پاسخ سطح با کاربرد مدل باکس بنکن توسط نرم افزارMinitab 17 طراحی شدند. متغیرهای (9-5) pH، دما (45-25 درجه سانتی گراد) و مقدار جاذب (2-5/0 گرم) بررسی شدند و تعداد 15 آزمایش طراحی شد. یافته ها: شرایط بهینه بدست آمده جهت حذف کادمیوم با سنتز کربن فعال مغناطیسی شده با نانو ذرات Fe3O4 ، pH=7، دمای 45 درجه سانتی گراد و مقدار 2 گرم جاذب بود . بحث و نتیجه گیری : مطالعه حاضر نشان داد که کربن فعال مغناطیسی پتانسیل بالایی جهت حذف آلاینده کادمیوم دارد. لذا انتظار می رود که مغناطیسی کردن پودر کربن فعال با حفظ خصوصیات فیزیکی و سطحی آن یک روش مناسب برای رفع مشکلات وابسته به آن به ویژه جداسازی و فیلتراسیون باشد.

چکیده انگلیسی:

Background and Objective: Due to its low cost, simplicity and speed of separation and high efficiency, the magnetic separation method widely used to remove contaminants and to solve the problems of the environment. The aim of this study was synthesis of magnetic activated carbon by Fe3O4 and investigating its efficiency in adsorption of Cadmium from aqueous solutions.   Method: Magnetic adsorbent prepared by the method of sequestration and physical characteristics and structure of synthesized absorbent were determined by XRD, SEM and TEM. To remove the Cadmium from aqueous solutions, the Box-behnken design (BBD) of response surface methodology (RSM) was employed for optimizing all parameters affecting the adsorption process. The studied parameters were pH (5-9), temperature (25-45 0C) and the amount of adsorbent (0.5-2 g). 15 experimental runs were calculated by using BBD. Findings: The optimal condition for removal Cadmium by synthesis of magnetic activated carbon by Fe3O4 nanoparticles were pH=7, 450C temperature and the 2 g of adsorbent. Discussion and conclusion: The study showed that magnetic activated carbon has a high potential for removing cadmium. Therefore, it is believed that magnetized active carbon by keeping its physical and surface properties could be a suitable method to solve some related problems including separation and filtration.

منابع و مأخذ:


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_||_

  1. Jafari, N., Ahmadi asbchin, S., 2014. Adsorption of cadmium and lead ions from aqueous solution by brown algae Cystoseira indica. Journal Plant Researches, Vol. 27(1), pp. 23-31.
    2.
  2. Ghasemi, S., MafiGholami, R., 2014. Cadmium removal by Ziziphus sawdust and determination of isotherms and kinetic of adsorption process. Journal of Wetland Ecobiology, Vol. 7(3), pp. 67-80.
    3.
  3. Shakibayi, MR., Khosravan, A., Farahmand, A., Zare, S., 2009. Remove the heavy metals copper and zinc from industrial waste from factories of Kerman by bacteria resistant mutant absorbing metal. Journal of Kerman University of Medical Sciences, Vol. 16(1), pp. 13-34.
    4.
  4. Mohammadi, M., Fotovat, A., Haghniya, G., 2009. Efficiency of sand - soil - organic matter filter, the removal of heavy metals copper, nickel, zinc and chromium from industrial wastewater. Journal of Soil and Water (Agricultural Science and Technology), Vol. 262, pp. 23-51.
    5.
  5. Taieban, SM., Torabi, E., Najafpoor, A., Alidadi, H., Zezoli, M., 2012. Survey of Biosorption Chromium and Cadmium from industrial effluent, by using agricultural waste material-A Review Article. Navid No medical journal. Vol. 16(58), pp. 40-54.
    6.
  6. Shokohi, R., Ehsani, H., Tarlani azar, M., 2014. Removal of Lead and Cadmium by Coral Limestone Granules of Aquatic Solutions. Journal of Environmental Science and Technology. Vol. 16(1), pp. 109-121.
    7.
  7. Ghasemi, S., MafiGholami, R., 2015. Lead Adsorption from Synthetic Wastewater by Prosopis Mimosaceae Sawdust. Jundishapur J Health Sci, Vol. 7(1), pp. 1-7.
    8.

  1. Prasad, M., Saxena, S., 2004. Sorption mechanism of some divalent metal ions onto low-cost mineral adsorbent. Industrial & Engineering Chemistry Research, Vol. 43(6), pp. 1512-1522.
    2.
  2. Chang, Y.-C., Chen, D.-H., 2005. Preparation and adsorption properties of monodisperse chitosan-bound Fe 3 O 4 magnetic nanoparticles for removal of Cu (II) ions. Journal of Colloid and Interface Science, Vol. 283(2), pp. 446-451.
    3.
  3. Fadaei, E. Pourkhabbaz, A., Nabibidhendi, G., Amiri, M., Jamshidi, A., Valehi, H, 2013. Removal of dissolved Chromium (VI) by adsorption onto Elaeagnus angustifolia fruit charcoal, Jujube fruit charcoal and comparison with Granular Activated Carbon (GAC). Journal of Environmental Studies, Vol. 39(3), pp. 13-22.
    4.
  4. Shamohammadi Heidari, Z., 2013. Comparisons of Rice Husk and Activated Carbon in Removal of Cadmium from Aqueous Solution in Low Concentration. Journal Management System, Vol. 6(16), pp. 13-22.
    5.
  5. Karniba, M., Kabbanib, A., Holaila, H., Olamaa, Z., 2014. Heavy Metals Removal Using Activated Carbon, Silica and Silica Activated Carbon Composite. Energy Procedia on ScienceDirect, Vol. 50, pp. 113-120.
    6.
  6. Fotoohi, B., Amamo, Y., Ohba, T., Kanoh, H., Mercier, L., 2012. Cadmium(II) adsorption using functional mesoporous silica and activated carbon. Journal of Hazardous Materials, Vol. 221, pp. 220-227.  
    7.
  7. Kakavandi, B., Rezaei Kalantary, R., Jonidi Jafari, A., Esrafily, A., Gholizadeh, A., Azari, A., 2014. Efficiency of powder activated carbon magnetized by Fe3O4 nanoparticles for amoxicillin removal from aqueous solutions: Equilibrium and kinetic studies of adsorption process. Iranian Journal of Health and Environment, Vol. 7(1), pp. 21-34.
    8.
  8. Mohan, D., Sarswat, A., Singh, VK., Alexandre-Franco, M., Pittman Jr, CU., 2011.  Development of magnetic activated carbon from almond shells for trinitrophenol removal from water. Chemical Engineering Journal, Vol. 172(2), pp. 1111-25.
    9.
  9. Fuertes, AB., Tartaj, P., 2006. A facile route for the preparation of superparamagnetic porous carbons. Chemistry of Materials, Vol. 18(6), pp. 1675-79.
    10.
  10. Jiang, W., Pelaez, M., Dionysiou, DD., Entezari, MH., Tsoutsou, D., O’Shea, K., 2013. Chromium (VI) removal by maghemite nanoparticles. Chemical Engineering Journal, Vol. 222, pp. 527-33.
    11.
  11. Akhbarizadeh, R., Shayestefar, MR., Darezereshki, E., 2014. Competitive removal of metals from wastewater by maghemite nanoparticles: a comparison between simulated wastewater and AMD. Mine Water and the Environment, Vol. 33(1), pp. 89-96.
    12.
  12. Baral, SS., 2007. Adsorption of Hexavalent Chromium from Aqueous Solution using Various Adsorbent. INDIA: National Institute of Technology Rourkela.
    13.
  13. Liu, Z., Zhang, F-S., sasai, R., 2010. Arsenate removal from water using Fe3O4 loaded activated carbon prepared from waste biomass. Chemical Engineering Journal, Vol. 160(1), pp. 57-62.
    14.
  14. Kakavandi, B., Esrafili, A., Mohseni-Bandpi, A., Jafari, AJ., Kalantary, RR. 2014. Magnetic Fe 3 O 4@ C nanoparticles as adsorbents for removal ofamoxicillin from aqueous solution. Water Science & Technology, Vol. 69(1), pp. 21-34.
    15.
  15. Khodayar, M.J., Namdar, F., Hojati, S., Landi, A., Nazari Khorasgani, Z., Alamolhoda, S.,2016. Removal of Ametryn from Aqueous Solutions with Zeolite Nanoparticles Optimized Using the Box-Behnken Design. Jundishapur J Nat Pharm Prod, Vol. 11(2), pp. 1-9.
    16.
  16. Aslan, N., Cebeci, Y., 2007. Application of Box-Behnken design and response surface methodology for modeling of some Turkish coals. Fuel, Vol. 86(1), pp. 90-7.
    17.
  17. Ferreira, SLC., Bruns, RE., da Silva, EGP., dos santos, WNL., Quintella, CM., David, JM., 2007. Statistical designs and response surface techniques for the optimization of chromatographic systems. Journal of Chromatography A, Vol. 1158(1), pp. 2-14.
    18.
  18. Nassar, NN., 2012.  Kinetics, equilibrium and thermodynamic studies on the adsorptive removal of nickel, cadmium and cobalt from wastewater by superparamagnetic iron oxide nanoadsorbents. The Canadian Journal of Chemical Engineering, Vol. 90(5), pp. 1231-38.
    19.
  19. Ganesan, P. 2013. Application of isotherm, Kinetic and Thermodynamic Models for the adsorption of nitrate ions on grapheme from aqueous Solution. Journal of Taiwan Institute of chemical enginers. Vol. 44, pp. 808-814.
    20.
  20. Ge, F., Li, M., Ye, H., Zhao, B.,2012. Effective removal of heavy metal ions Cd2+, Zn2+, Pb2+, Cu2+. J. Hazardous Materials, Vol.  211, pp. 366-372.
    21.

 

 

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