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کد مقاله : 12800 بازدید : 138 صفحه: 99 - 108

10.22034/jest.2018.12800

نوع مقاله: پژوهشی

حذف فسفر از محلول آبی به وسیله فرآیند اکسیداسیون فنتون

محورهای موضوعی : مدیریت محیط زیست

محمدرضا حیدری 1 , محمد ملکوتیان 2 , فهیمه اسدی 3

1 - عضو هیات علمی گروه بهداشت محیط، دانشکده بهداشت دانشگاه علوم پزشکی بم، بم ، ایران *(مسوول مکاتبات).
2 - استاد مرکز تحقیقات مهندسی بهداشت محیط و گروه بهداشت محیط ، دانشگاه علوم پزشکی کرمان، کرمان، ایران.
3 - کارشناس بهداشت محیط دانشگاه علوم پزشکی زابل

تاریخ دریافت : 1393/08/16 تاریخ پذیرش : 1394/03/27 تاریخ انتشار : 1397/04/01

کلید واژه: روش حذف, فسفر, فرآیند فنتون, پراکسید هیدروژن,

چکیده مقاله :

زمینه و هدف: فسفر یکی از مهم ترین آلاینده های محیط های آبی می باشد. آلودگی فسفر در منابع آب های سطحی و زیرزمینی از استفاده مفرط کود در زمین های کشاورزی کنترل نشده و تخلیه فاضلاب های تصفیه نشده نشات می گیرد. تخلیه این عنصر در محیط اثرات بهداشتی بسیار زیادی دارد. این پژوهش با هدف بررسی کارایی فرایند اکسیداسیون فنتون در کاهش فسفر از محلول آبی انجام گرفت. روش بررسی: این تحقیق حاصل یک مطالعه تجربی در مقیاس آزمایشگاهی می باشد. دراین مطالعه تاثیر پارامترهای متغیر شاملpH، غلظتFe+2، غلظت H2O2، زمان تماس و غلظت اولیه فسفر در حذف فسفر به وسیله فرآیند فنتون از محلول آبی مورد بررسی قرار گرفت. یافته‌ها: نتایج به دست آمده نشان داد که فرآیند فنتون قادر به حذف 97 درصد فسفر می باشد به گونه ای که بیشترین درصد حذف فسفردر نسبت غلظتH2O2 / Fe2+=mg/l 1000/2200، زمان تماس60 دقیقه و 5/3 pH= مشاهده گردید. نتایج آزمون آماری SPSS نشان داد که میانگین غلظت در تمامی متغییر ها قبل و بعد از انجام فرایند اختلاف معنی داری حذف داشت (05/0P<). بحث و نتیجه‌گیری: نتایج این پژوهش کارایی مطلوبی در حذف فسفر به وسیله فنتون در تصفیه آب و کنترل آلاینده نشان داد. فرایند فنتون یک فرآیند موثر در حذف مواد آلی مانند فسفر از آب از لحاظ میزان راندمان حذف و هزینه مقرون به صرفه تر در مقایسه با دیگر فرآیند های حذف این آلاینده ها می باشد. در ضمن جهت دست یابی به روش های ترکیبی کامل تر و بهتر توصیه می شود در سایر مطالعات راندمان حذف به وسیله این فرآیند را با استفاده از ترکیب با اکسیدان های دیگری مانند تابش فرابنفش و ... ارتقاء داد.

چکیده انگلیسی:

Background and Objective: phosphorus considered among the major pollutants in water environments. Phosphoris contamination in surface water and groundwater resources originates mainly from the excessive use of fertilizers and uncontrolled land discharges of untreated wastewater. Discharge of it into the enviroment causes many negative health impact.The aim of this study was to investigate the efficiency of Fenton’s advanced oxidation process (H2O2/Fe+2) in the phosphorus removal from aqueous solutions. Method: This is an experimental study which is carried out in laboratory scale. In this study, the effect of the important operational variables including pH,Fe+2  dosage, H2O2  dosage, initial phosphorconcentration,and  Contact time were  evaluated  on  the phosphate removal from Aqueous Solution by Fenton has been investigated. Findings:­The­ results showed that this method has the ability to remove phosphorus from aqueous solutions to less than standard level WHO (≤1mg/l).pH , ratio H2O2 / Fe+2 and Contact time have direct effect and initial phosphor concentration has reverse effect of phosphor removal. The results showed that the Fenton process, can reach respectively 97% phosphor removal. So that optimum condition of the phosphorus removal is in the Ratio H2O2 / Fe2+ dosage = 2200 /1000 mg/l, contact time of 60 min, pH = 3.5 in initial phosphor Concentration in 100mg /L. SPSS statistical test showed that the mean concentration in the before and after doing all process, there were significant differences ( P ≤ 0.05 ). Discussion and Conclusion: Results show, the efficient removal of phosphate using Fenton process is desirable in the water treatment and pollution control.The results of the study is consistent with similar cases by other researchers.   Key words: Removal, Phosphor, Fenton Process, Aqueous Solution.    

منابع و مأخذ:


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    2.
  2. Yue .Q, Zhao. Y, Li.Q, Li.W, Gao. B, Han.S, Qi.Y, Yu H, Research on the characteristics of red mud granular adsorbents (RMGA) for phosphate removal. Journal of Hazardous Materials 176 (2010) 741–748.
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  19. Ghosh, P., Samanta, A.N., and Ray, S. (2011). “Reduction of COD and removal of Zn2+ from rayon industry wastewater by combined electro-Fenton treatment and chemical precipitation.” Desalination, 266(1-3), 213-217.
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  23. Naohito, K., Fumihiko, O., and  Hisato,  T.  (2010). “Selective adsorption behavior of phosphate onto aluminum hydroxide gel.” J. of Hazardous Materials, 181(23), 574-579.
    24.
  24. Yetilmezsoy,. K, Sakar, .S, Improvement of COD and color removal from UASB treated poultry manure wastewater using Fenton’s oxidation, Journal of Hazardous Materials 151 (2008) 547–558.
    25.
  25. Lucas,.M , Peres,.J, Removal of COD from olive mill wastewater by Fenton’s reagent: Kinetic study , Journal of Hazardous Materials 168 (2009) 1253–1259.
    26.
  26. Wang,. C, Chou,.W, Chung,. M, Kuo,.Y, COD removal from real dyeing wastewater by electro-Fenton technology using an activated carbon fiber cathode, Desalination 253 (2010) 129–134.
    27.
  27. Zhang. H, Zhang. D, Zhou. J, Removal of COD from landfill leachate by electro-Fenton method, Journal of Hazardous Materials B135 (2006) 106–111.
    28.

 

 

 

 




 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



 

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  1. Lu .S.G, Bai .S.Q, L, Shan .H.D, Removal mechanism of phosphate from aqueous solution by fly ash,. Journal of Hazardous Materials 161 (2009) 95–101.
    2.
  2. Yue .Q, Zhao. Y, Li.Q, Li.W, Gao. B, Han.S, Qi.Y, Yu H, Research on the characteristics of red mud granular adsorbents (RMGA) for phosphate removal. Journal of Hazardous Materials 176 (2010) 741–748.
    3.
  3. Ballet .G, Hafiane. A, Dhahbi .M, Influence of operating conditions on the retention of phosphate in water by nanofiltration. Journal of Membrane Science 290 (2007) 164–172.
    4.
  4. Jeon. D, Yeom.S. Recycling wasted biomaterial, crab shells, as an adsorbentfor the removal of high concentration of phosphate .Bioresource Technology 100 (2009) 2646–2649.
    5.
  5. Srivastava. S, Srivastava.A, Biological phosphate removal by model based continuouscultivation of Acinetobactercalcoaceticus. Process Biochemistry 41 (2006) 624–630.
    6.
  6. Goldstein. S, Meyersteim. D ,The Fenton Reagents, Free Radical Biology & Medical, 15(1993) 435-445.
    7.
  7. Chang-jun. L, Yan-zhong. L, Zhao-kun.L, Zhao-yang.CH, Zhong-guo.ZH, Zhi-ping. J, Adsorption removal of phosphate from aqueous solution by active red mud .Journal of Environmental Sciences 19(2007) 1166–1170
    8.
  8. Jadhav. U, Saharan.V, Pinjari D, Saini. D, Sonawane. S, Pandit. A, Intensification of degradation of imidacloprid in aqueous solutions bycombination of hydrodynamic cavitation with various advanced oxidation processes (AOPs). Journal of Environmental Chemical Engineering 1 (2013) 850–857.
    9.
  9. Elmollaa. E, Chaudhuria. M, Eltoukhyb. M, The use of artificial neural network (ANN) for modeling of COD removal from antibiotic aqueous solution by the Fenton process, Journal of Hazardous Materials 179 (2010) 127–134.
    10.
  10. da Silva, M.R.A., Trov, A.G., and Nogueira, R.F.P. (2007). “Treatment of 1, 10-phenanthroline laboratorywastewater using the solar photo-Fenton process.” J. of Hazardous Materials, 146(3), 508-513.
    11.
  11. Badawy, M.I., Wahaab, R.A., and El-Kalliny, A.S. (2009). “Fenton-biological treatment processes for theremoval of some pharmaceuticals from industrial wastewater.” J. of Hazardous Materials, 167(1-3), 567-574.
    12.
  12. Barreto-Rodrigues, M., Silva, F.T. and Paiva, T.C.B. (2009). “Optimization of Brazilian TNT industry wastewater treatment using combined zero-valent iron and fenton processes.” J. of Hazardous Materials, 168(2-3), 1065-1069.
    13.
  13. Huang .Y, Su. H, Lin.L, Removal of citrate and hypophosphite binary components using Fenton, photo-Fenton and electro-Fenton processes, Journal of Environmental Sciences 21(2009) 35–40.
    14.
  14. Li.H, Li.Y, Gongb. Z, Li.X,Performance study of vertical flow constructed wetlands for phosphorusremoval with water quenched slag as a substrate, Ecological Engineering 53 (2013) 39– 45.
    15.
  15. Meric.S, Selc-uk.s, Belgiorno.V, Acute toxicity removal in textile finishing wastewater by Fenton’s oxidation, ozone and coagulation–flocculation processes, Water Research 39 (2005) 1147–1153.
    16.
  16. APHA /AWWA /WEF, Standard method for examination of water and wastewater, American public health association publication, Washington DC, 2003.
    17.
  17. Deliyanni, E, Pelek, E, Lazaridis, N, Comparative study of phosphates removal from aqueous solutions by nanocrystallineakagan´eite and hybrid surfactant-akagan´eite. Separation and Purification Technology 52 (2007) 478–486
    18.
  18. Feng, F., Xua, Z., Li, X., You, W., and Zhen, Y. (2010). “Advanced treatment of dyeing wastewater towards reuse by the combined Fenton oxidation and membrane bioreactor process.” J. of Environmental Sciences, 22(11), 1657-1665
    19.
  19. Ghosh, P., Samanta, A.N., and Ray, S. (2011). “Reduction of COD and removal of Zn2+ from rayon industry wastewater by combined electro-Fenton treatment and chemical precipitation.” Desalination, 266(1-3), 213-217.
    20.
  20. Lin, S.H., and Jiang, C.D. (2003). “Fenton oxidation and sequencing batch reactor (SBR) treatments of highstrength semiconductor wastewater.” Desalination, 154(2), 107-116.
    21.
  21. Irdeme. S, glu.N, evkiYildiz .Y, The effects of pH on phosphate removal from wastewater by electrocoagulation with iron plate electrodes. Journal of Hazardous Materials B137 (2006) 1231–1235.
    22.
  22. Paola, C., Margherita, S., Giovanni, G., and Salvatore, D. (2010). “Influence of the pH on the accumulation of phosphate by red mud.” J. of Hazardous Materials, 182(4), 266-272.
    23.
  23. Naohito, K., Fumihiko, O., and  Hisato,  T.  (2010). “Selective adsorption behavior of phosphate onto aluminum hydroxide gel.” J. of Hazardous Materials, 181(23), 574-579.
    24.
  24. Yetilmezsoy,. K, Sakar, .S, Improvement of COD and color removal from UASB treated poultry manure wastewater using Fenton’s oxidation, Journal of Hazardous Materials 151 (2008) 547–558.
    25.
  25. Lucas,.M , Peres,.J, Removal of COD from olive mill wastewater by Fenton’s reagent: Kinetic study , Journal of Hazardous Materials 168 (2009) 1253–1259.
    26.
  26. Wang,. C, Chou,.W, Chung,. M, Kuo,.Y, COD removal from real dyeing wastewater by electro-Fenton technology using an activated carbon fiber cathode, Desalination 253 (2010) 129–134.
    27.
  27. Zhang. H, Zhang. D, Zhou. J, Removal of COD from landfill leachate by electro-Fenton method, Journal of Hazardous Materials B135 (2006) 106–111.
    28.

 

 

 

 




 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



 

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