Araştırma Makalesi

Assessment of environmental applicability of TiO2 coated self-cleaning glass for photocatalytic degradation of estrone, 17β-estradiol and their byproducts

Cilt: 36 Sayı: 4 15 Aralık 2019
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Assessment of environmental applicability of TiO2 coated self-cleaning glass for photocatalytic degradation of estrone, 17β-estradiol and their byproducts

Abstract



Optimization of photocatalytic degradation of two natural estrogenic compounds, estrone (E1) and 17β-estradiol (17β-E2) in aqueous medium was performed on TiO2 coated Pilkington ActivTM self-cleaning glass as a novel approach to eliminate free nano-TiO2 releasing to the intended environment after treatment. The active glass was characterized by Atomic Force Microscopy (AFM), X-ray diffraction (XRD), and Raman spectroscopy to characterize the TiO2 nanoparticles. The main purposes were mineralization of target compounds in the treated water during the photocatalytic reaction and also to investigate the oxidation by products. Response Surface Methodology (RSM) has been applied to optimize the photocatalytic degradation by changing time, pH, and light intensity as effective factors.  According to the results, time was the more effective parameter. The maximum efficiency degradation was achieved in alkaline media. Due to interactive effects between variable factors, 1 mg/L aqueous solution of E1 and 17β-E2 in water was totally decomposed by TiO2 photocatalyzed reactions under UV-C irradiation of 10.08 W/m2 for 52.49 min at pH 9.42. Results of GC-MS analysis were introduced 17-deoxy Estrone and 2-Hydroxyestradiol as intermediate products for E1 and 17β-E2, respectively. All of the peaks finally disappeared after 170 min. Optimized conditions were applied for real sample of wastewater, presenting 30.40% and 56.84% in the efficiency degradation of E1 and 17β-E2, respectively. 




Keywords

Destekleyen Kurum

Ege University

Proje Numarası

2017/SÜF/014

Teşekkür

Authors acknowledge Dr. Ozan Ünsalan (Ege University, Department of Physics) for help with the analysis of Raman spectrums. Golnar Matin thank Prof. Yury Gogotsi (A.J. Drexel Nanotechnology Institute, Drexel University) for his kind comments and suggestions on the characterization of TiO2 nanocrystals coated on the glass.

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Çevre Bilimleri

Bölüm

Araştırma Makalesi

Yazarlar

Ali Reza Amani-ghadim
0000-0003-3279-5170
Iran

Amir Abbas Matin
0000-0001-8264-8414
Iran

Hasan Baha Buyukışık
0000-0002-5855-4300
Türkiye

Yayımlanma Tarihi

15 Aralık 2019

Gönderilme Tarihi

18 Mart 2019

Kabul Tarihi

22 Temmuz 2019

Yayımlandığı Sayı

Yıl 2019 Cilt: 36 Sayı: 4

Kaynak Göster

APA
Matin, G., Amani-ghadim, A. R., Matin, A. A., Kargar, N., & Buyukışık, H. B. (2019). Assessment of environmental applicability of TiO2 coated self-cleaning glass for photocatalytic degradation of estrone, 17β-estradiol and their byproducts. Ege Journal of Fisheries and Aquatic Sciences, 36(4), 347-359. https://doi.org/10.12714/egejfas.36.4.05

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