Photocatalytic activity of a nitrogen-doped TiO2 modified zeolite in the degradation of Reactive Yellow 125 azo dye

Ilinoiu, Elida Cristina; Pode, Rodica; Manea, Florica; Colar, Liliana Andreea; Jakab, Ágnes; Orha, Corina; Ratiu, Cornelia; Lazău, Carmen; Sfârloagă, Paula

doi:10.1016/j.jtice.2012.09.006

Cited by 70 publications

(33 citation statements)

References 42 publications

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“…However, metal doped can also act as a recombination center of electron and holes thus, reducing the photocatalytic activity (Larumbe et al 2015;Meng et al 2007). Some of the nonmetal doping TiO 2 have been explored such as nitrogen (Hou et al 2014;Ilinoiu et al 2013;Michael et al 2014), carbon (Park et al 2009;Wu et al 2013), sulphur (Liu & Chen 2008;Rengifo-Herrera et al 2009), boron (Ochiai et al 2010) and phosphorus (Xia et al 2014;Zheng et al 2010). These nonmetal elements exhibit red-shifted absorption edges.…”

Section: Introductionmentioning

confidence: 99%

N-doped TiO2 Synthesised via Microwave Induced Photocatalytic on RR4 dye Removal under LED Light Irradiation

Jalil

Nawawi

Jawad

et al. 2017

JSM

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Nitrogen doped titanium dioxide (N-doped Titanium dioksida terdop nitrogen (TiO 2 terdop N) telah disintesis oleh ketuhar gelombang mikro menggunakan urea sebagai sumber nitrogen dengan TiO 2 -P25 yang boleh didapati secara komersial. TiO 2 terdop N telah dibandingkan dengan TiO 2 tidak diubah suai dengan menjalankan kajian ke atas sifatnya menggunakan analisis pembelauan sinar x (XRD), Brunauer-Emmett-Teller (BET), spektroskopi transformasi Fourier inframerah (FTIR) dan spektroskopi pantulan meresap (UV-Vis DRS

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Section: Introductionmentioning

confidence: 99%

N-doped TiO2 Synthesised via Microwave Induced Photocatalytic on RR4 dye Removal under LED Light Irradiation

Jalil

Nawawi

Jawad

et al. 2017

JSM

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“…From the Fig. 4a, the broad band spectrum below ~ 800 cm −1 corresponding to the characteristic vibrational mode of TiO 2 (Ti-O stretching mode of Ti-O-Ti) as observed in pristine TiO 2 powder [12]. The characteristic absorption peaks of polyisoprene structure (-CH 2 CH 3 C=CHCH 2 -) appeared at ~ 3028 cm −1 for =C-H stretching, 2950 cm −1 for -CH 3 asymmetric stretching, 2914 and 2850 cm −1 for -CH 2 asymmetric and symmetric stretching, 1641 cm −1 for -C=C-stretching of isoprene group of rubber, 1440 cm −1 for -CH 2 deformation, 1373 cm −1 for -CH 3 deformation, 829 cm −1 for =C-H out of plane bending, and 569 cm −1 for -C-C-C-main chain deformation [1,33], as shown in Fig.…”

Section: Ft-ir Analysis Of Tnr Hybrid Sheetsmentioning

confidence: 92%

High photocatalytic performance of 3D porous-structured TiO2@natural rubber hybrid sheet on the removal of indigo carmine dye in water

2019

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Due to the high efficiency of photocatalytic process for the environmental treatments, titanium dioxide (TiO 2 ) is a popular used as photocatalyst material. However, the practical uses of TiO 2 in powder form have some drawbacks as well as the difficult reusability. In this work, 3D porous-structured TiO 2 @natural rubber (TNR) hybrid sheets with high photocatalytic performance were presented. TNR hybrid sheets prepared by a facile and low-cost method, which is based on the mixing of natural rubber (NR) latex (60% high ammonia) and ammoniacal TiO 2 (P25) suspension, followed by vacuum filtration through a sintered glass template to make a 3D porous network structure on the surface of the sheets. The obtained TNR sheet samples were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectrometer (EDX), X-ray diffractometer (XRD) and reflection Fourier transformed infrared spectroscopy (FT-IR) techniques. The results showed that the surface morphologies of TNR hybrid sheets appeared as porous-structured which had high roughness and with various tiny pores on the surface. The photocatalytic properties of the prepared TNR hybrid sheets were tested using indigo carmine (IC) dye under UV light irradiation. It was found that the highest photodegradation efficiency was achieved with the TNR_5 wt% hybrid sheet sample. Compared with the sheets reported in previous works, the TNR sheet shows higher efficiencies than those sheets due to its higher amount of TiO 2 particles at the surface, more porous structure with high rough surface, and abundance of tiny pores on the TNR sheet surface. Moreover, the recyclability and stability of TNR sheet indicated that upon using 10 cycles (remains 98% efficiency), in which the stability of the sheet surface well-confirmed by SEM and XRD techniques, as well. From above the study, this 3D porous-structured TNR hybrid sheet could be a new alternative strategy for the water or wastewater treatment in industry concerning with the easy use, recovery, reusability and stability of the photocatalysts.

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“…Dyes are known to be non-degradable under the typical aerobic conditions found in conventional biological treatment systems and adsorb very poorly biological solids, resulting in residual colour in discharged effluents (Becelic-Tomin et al, 2014), (Gozmen et al, 2009). Advanced oxidation processes (AOPs) are the most attractive technologies for dye wastewater treatment, able to oxidize quickly and non-selectively a broad range of pollutants (Chang & Chern, 2010;Ilinoiu et al, 2013;Saravanan et al, 2014). Fenton process is particularly attractive and effective to degrade a wide range of dyes.…”

Section: Introductionmentioning

confidence: 99%

Treatment of Wastewater Containing Dye Mixture Using Pyrite Cinder in Heterogeneous Fenton Process

Kerkez¹,

Bečelić‐Tomin²,

Kulić³

et al. 2018

Proceedings of 9th International Symposium on Graphic Engineering and Design

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Dyes and pigments are important industrial chemicals. The structures of dyes can be very diverse and complex, so the treatment of wastewater containing these chemicals can be very challenging. Fenton process is particularly attractive and effective to degrade a wide range of dyes. In order to reduce the expenses related to applying these processes, the use of waste materials in the heterogeneous Fenton process, as alternative sources of catalytic iron, is recently investigated in scientific literature. In this study effluent was obtained from dye house unit of carpet factory (Serbia) and it contained the mixture of six commercial dyes. Pyrite cinder, a residue from sulfuric acid production, was also used in this process as a source of catalytic iron. Effluent decolourization rate reached 75% under optimal condition. Additionally, the research included further characterization of obtained effluent in terms of mineralization and metal leaching. A significant degree of mineralization was achieved under the applied conditions. Although, dye degradation was satisfactory, the metal content of the solutions after the process suggests that an additional treatment step, by using lime, is necessary. Results indicated that the applied waste material is effective as iron source in modified Fenton processes for treatment of effluent containing mixture of dyes.

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Photocatalytic activity of a nitrogen-doped TiO2 modified zeolite in the degradation of Reactive Yellow 125 azo dye

Cited by 70 publications

References 42 publications

N-doped TiO2 Synthesised via Microwave Induced Photocatalytic on RR4 dye Removal under LED Light Irradiation

N-doped TiO2 Synthesised via Microwave Induced Photocatalytic on RR4 dye Removal under LED Light Irradiation

High photocatalytic performance of 3D porous-structured TiO2@natural rubber hybrid sheet on the removal of indigo carmine dye in water

Treatment of Wastewater Containing Dye Mixture Using Pyrite Cinder in Heterogeneous Fenton Process

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