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  • بررسی تخریب فتوکاتالیتیکی نفتالین توسط نانوکاتالیست های دی اکسید تیتانیوم داپ شده با N-S وP تحت نور مرئی

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کد مقاله : JEST-2208-5729 (R2) بازدید : 130 صفحه: 55 - 66

10.30495/jest.2023.68888.5729

نوع مقاله: پژوهشی

بررسی تخریب فتوکاتالیتیکی نفتالین توسط نانوکاتالیست های دی اکسید تیتانیوم داپ شده با N-S وP تحت نور مرئی

محورهای موضوعی : آب و محیط زیست

بهمن بنائی 1 , فرهنگ تیرگیر 2 , امیرحسام حسنی 3 , عبدالمجید فدایی 4 , سید مهدی برقعی 5

1 - دکترای تخصصی مهندسی محیط زیست،دانشکده منابع طبیعی و محیط زیست، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، ایران.
2 - دانشیار گروه شیمی، دانشکده علوم پایه، واحد شهرکرد، دانشگاه آزاد اسلامی، شهرکرد، ایران. *(مسوول مکاتبات)
3 - استاد گروه مهندسی محیط زیست، دانشکده منابع طبیعی و محیط زیست، دانشگاه آزاد اسلامی واحد علوم تحقیقات تهران، ایران.
4 - استاد گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهرکرد، ایران.
5 - استاد گروه شیمی و محیط زیست، دانشکده شیمی و صنعت نفت دانشگاه صنعتی شریف، ایران.

تاریخ دریافت : 1401/05/24 تاریخ پذیرش : 1401/09/16 تاریخ انتشار : 1402/04/01

کلید واژه: فتوکاتالیست, فسفر, دی اکسید تیتانیوم, حذف نفتالین, تخریب فتوکاتالیستی,

چکیده مقاله :

زمینه و هدف: نفتالین یکی از هیدروکربن‌های آروماتیک چند حلقه‌ای سمی و خطرناک برای انسان و محیط زیست می باشد و حذف آن از محیط زیست ضروری است. هدف از این تحقیق بررسی تخریب فتوکاتالیتیکی نفتالین از محیط‌های آبی با استفاده از نانوکاتالیست‌های TiO2-P/SPA و TiO2-N,S/SiO2تحت نور مرئی در حضور اکسیژن است. روش بررسی: این تحقیق در سال 1399 انجام گرفت. دو فتوکاتالیست TiO2-P/SPA و TiO2-N,S/SiO2به روش سل-ژل سنتز و از آنها برای حذف نفتالین از محیط آبی تحت نور مرئی در حضور اکسیژن، استفاده شد. اثر پارامترهای مختلف از جمله غلظت اولیه نفتالین،pH، مدت زمان تماس بررسی شدند و ساختار این نانو ذرات با استفاده از تصویر EDAX,SEM و آنالیز DRS بررسی گردید. یافته ها: تصاویر میکروسکوپ الکترونی اندازه ذرات فتوکاتالیست های سنتزی را 10 تا20 نانومتر نشان داد و ضخامت لایه نازک فتوکاتالیست TiO2-N,S/SiO2 و TiO2-P/SPA روی میکروگلوله‌ها به ترتیب برابر 68/698 نانومتر و 73/1 میکرومتر بود. آنالیزDRS نشان داد شکاف انرژی هر دو فتوکاتالیست باریک تر از TiO2 شده و فعالیت فتوکاتالیستی آنها به ناحیه نور مرئی انتقال یافته است. در شرایط بهینه حذف نفتالین مقادیر pH، زمان, غلظت نفتالین، و راندمان حذف به ترتیب برای فتوکاتالیست TiO2-N-S ، معادل 5، 50، 25، 23/94 و برای TiO2-P برابر 5، 40، 25، 39/97 به دست آمد (Pv<0.05). بحث و نتیجه گیری: این فتوکاتالیست ها می توانند به عنوان یک روش نوین، موثر و کاربردی در تصفیه آب و پساب‌های صنایع حاوی نفتالین، تحت نور خورشید و نور مریی استفاده شوند.

چکیده انگلیسی:

Background and Objective: Naphthalene is one of the toxic and dangerous polycyclic aromatic hydrocarbons (PAHs) for human and the environment, and it is necessary to remove it from the environment. The aim of this research is to investigate the phothocatalytic degradation of naphthalene from aqueous environments using two nanocatalysts TiO2-N, S/SiO2 and TiO2-P/SPA under visible light in the presence of Oxygen.   Material and Methodology: This research was done in year 2019.  In this research, two phothocatalysts TiO2-N, S/SiO2 and TiO2-P/SPA were synthesized by sol-gel method and they were used to remove Naphthalene from the aqueous environments under visible light and in the presence of Oxygen.  The Effect of various parameters including the initial concentrations of naphthalene, pH, contact time were investigated, and the structure of these nanoparticles was investigated using scanning electron microscopy (SEM), energy-dispersive ray (EDAX) image and UV-Vis differential reflectance spectroscopy (DRS) analysis. Findings: SEM image showed the nanoparticle size of synthetic phothocatalysts to be 10 to 20 nm and, the thickness of the phothocatalyst thin layer TiO2-N, S and TiO2-P on the microspheres was 698.68 nm and 1.73 µm, respectively. DRS analysis indicated that the energy band gap of both phothocatalysts has become narrower than TiO2 and their phothocatalytic activity has been transferred to the visible light region. In the optimal conditions of Naphthalene removal, the values of pH, time, Naphthalene concentration, and removal efficiency were obtained for TiO2-N, S equal to 5, 50, 25, 94.23% and for TiO2-P equal to 5, 40, 25, 97.39%, respectively (Pv<0.05). Discussion and Conclusion: These photocatalysts can be used as a new, effective and practical method in the treatment of water and wastewater from industrials containing Naphthalene under sunlight and visible light.

منابع و مأخذ:


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  1. Yu, L.,  Yang, X.,  He, J.,  He, Y.,  Wang, D. (2015). Synthesis of magnetically separable N, La-doped TiO2 with enhanced photocatalytic activity, Journal of Separation and Purification Technology., 144, 107-113.
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  1. Yang, J., Bai, H., Jiang,Q., Lian, J., (2008) Visible light photocatalysis in nitrogen-carbon-doped TiO2 films obtained by heating TiO2 gel-film in an ionized N2 gas, Journal of Thin solid films., 516(81736-1742.
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  2. Rahimi, B., and Ebrahimi, A. (2019) Photocatalytic process for total arsenic removal using an innovative BiVO4/TiO2/LED system from aqueous solution: optimization by response surface methodology (RSM). Journal of the Taiwan institute of chemical engineers. 101, 64-79.
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  3. Li, L., Lai, C., Huang, F., and et.al, (2019). Degradation of naphtalene with magnetic bio-char activate hydrogen peroxid: synergism of bio-char Fe-Mn binary oxides, Journal of Water Research., 160, 238-248.
    4.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

_||_

  1. Brauman, K., Richter, B.D., Postel, S., Malsy, M.F. (2016). Water depletion: An improved metric for incorporating seasonal and dry-year water scarcity into water risk assessments. Journal of elementa: Science of the Anthropocene. 1-12.
    2.
  2. Drwal, E., Rak, A., Gregorazczuk, E.L. (2019). Review: polycyclic aromatic hydrocarbons (PAHs) Action on placental function and health risk in future life of newborns, journal of Toxicology. 411, 133-142.
    3.
  3. Adeniji, A., Okoh, O., Okoh, A. (2019). levels of polycyclic aromatic hydrocarbons in the water and sediment of buffalo River Estuary, South Africa and their health risk assessment., journal of Archives of Environmental Contamination and Toxicology., 76 , 657-669.
    4.
  4. So, H.L., Chu, W., Wang, Y.H. (2019). Naphthalene degradation by Fe2þ/Oxone/UV Applying an unconventional kinetics model and studying the reaction mechanism, journal of Chemosphere., 218 , 110-118.
    5.
  5. Fazlollahi, S., Hassani, A.H., Borghei, M., Pourzamani, H., (2017). Efficiency of Multi-Walled Carbon Nanotubes in TPH Adsorption in Aqueous Solution (Case study: Naphthalene), Journal of Environmental Sciences and Technology., 19(3), 129-141.
    6.
  6. Jafari, A., Sadeghi, M., Tirgir, F., Borghaei, S.M., (2020). Sulfur and nitrogen doped-titanium dioxide coated on glass microspheres as a high performance catalyst for removal of naphthalene (C10H8) from aqueous environments using photo oxidation in the presence of visible and sunlight, Journal of Desalin and Water Treatment., 192, 195–212.
    7.
  7. Nesterenko-Malkovskaya, v., Kirzhner, F., Zimmels, Y., Armon, R., (2012). Eichhornia crassipes capability to remove naphthalene from wastewater in the absence of bacteria, Journal of Chemosphere., 87 (10) ,1186-1191.
    8.
  8. Kumaravel, V., Mathew, S., Bartlet, J., Pillai, S.C., (2019). photocatalytic hydrogen production using metal doped TiO2 : A review of recent advaces, Journal of Appl Catal B., 244, 1021-1064.
    9.
  9. Huang, C.W., Nguyen, B.S., Wu, J.C.S., Nguyen, V.H. (2020). A current perspective for photocatalysis towards the hydrogen production from biomass-derived organic substances and water, Journal of International Journal of Hydrogen Energy., 45(36), 18144-18159.
    10.
  10. Nosaka, Y., Nosaka, A.Y. (2017). Generation and detection of reactive oxygen species in photocatalysis, Journal of Chemical Reviews., 117, 11302–11336.
    11.
  11. Kampouri, S., Stylianou, K.C. (2019). Dual-functional photocatalysis for simultaneous hydrogen production and oxidation of organic substances, Journal of ACS Catal., 9, 4247-4270.
    12.
  12. Jeon, T.H., Koo, M.S., Kim, H.,  Choi, W. (2018). Dual-Functional Photolysis and photoelectrocatalytic systems for energy and resource-recovering water treatment, Journal of ACS Catal., 8(12), 11542-11563.
    13.
  13. Murgolo, S., Petronella, F., Ciannarella, R.,and et.al. (2014). UV and solar-based photocatalytic degradation of organic pollutants by nano-sized TiO2 grown on carbon nanotubes, Journal of Catalysis Today., 240 A, 114-124.
    14.
  14. Asapu, R., Manohar, P. V., Wang. B., Guo, Z., Sadu, R., Chen, D. H. (2011). Phosphorous- doped titania nanotubes with enhanced photocatalytic activity. Journal of photochemistry and photobiology A: chemistry., 225, 81-87.
    15.
  15. Ansari, S. A., and Cho, M. H. (2016). Highly visible light responsive, narrow band gap Tio2 nanoparticles modified by elemental red Phosphorus for photocatalysis and photoelectrochemical applications. Journal of Scientific Reports. 6, 25405.
    16.
  16. Mahmoodi, F., Jalilzadeh, R., Tirgir, f., sadeghi, M. (2022). Removal of 1-Naphthol from water via photocatalytic degradation over N,S-Tio2/Silica sulfuric acid under visible light. Journal of advances in Environmental health research. 1 (1), 59-72.
    17.
  17. Banaei, B., Hassani, A.H., Tirgir, F.,  Fadaei, A.M., Borghaei, S.M. (2021). Removal of Naphthalene from aqueous solutions by Phosphorus doped -titanium dioxide coated on silica phosphoric acid under visible light, Journal of Desalin and Water Treatment., 224, 187-196.
    18.
  18. Baeissa S.H., (2015). Synthesis and characterization of sulfur-titanium dioxide nanocomposites for photocatalytic oxidation of cyanide using visible light irradiation, Chinese Journal of Catalysis., 36, 698-704.
    19.
  19. Lin, L., Lin, W., Zhu, Y., Zhao, B., Xie, Y., (2005). Phosphor-doped Titania a Novel Photocatalyst Active in Visible Light, Journal of Chemistry Letters., 34(3), 284-285.
    20.


  1. Yu, L.,  Yang, X.,  He, J.,  He, Y.,  Wang, D. (2015). Synthesis of magnetically separable N, La-doped TiO2 with enhanced photocatalytic activity, Journal of Separation and Purification Technology., 144, 107-113.
    2.


  1. Yang, J., Bai, H., Jiang,Q., Lian, J., (2008) Visible light photocatalysis in nitrogen-carbon-doped TiO2 films obtained by heating TiO2 gel-film in an ionized N2 gas, Journal of Thin solid films., 516(81736-1742.
    2.
  2. Rahimi, B., and Ebrahimi, A. (2019) Photocatalytic process for total arsenic removal using an innovative BiVO4/TiO2/LED system from aqueous solution: optimization by response surface methodology (RSM). Journal of the Taiwan institute of chemical engineers. 101, 64-79.
    3.
  3. Li, L., Lai, C., Huang, F., and et.al, (2019). Degradation of naphtalene with magnetic bio-char activate hydrogen peroxid: synergism of bio-char Fe-Mn binary oxides, Journal of Water Research., 160, 238-248.
    4.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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