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Photocatalytic degradation

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Synthesis of highly active crystalline carbon nitride prepared in various salt melts for photocatalytic degradation of phenol

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In this work, we explore the use of various salt melts for the preparation of crystalline CN, with the main objective of increasing the crystallinity of the CN so that the photocatalytic performance towards degradation of phenol is enhanced. To the best of our knowledge, there is still no report on the photocatalytic degradation of organic pollutants using crystalline CN.

In-situ synthesis of phthalocyanines on electrospun TiO2 nanofiber by solvothermal process for photocatalytic degradation of methylene blue

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Photocatalytic degradation test. Photocatalytic degradation of MB for different nanofibers was investigated (i) in the dark with the presence of photocatalysts,. (ii) in the UV-light irradiation with the presence of the photocatalysts.. Photocatalytic degradation of the MB was performed in a petri dish containing 100 mL dye solution with 10 mg of the photocatalyst sample.

Photocatalytic degradation of the herbicide quinclorac in water using Mn (III) salen and solar light

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The high performance liquid chromatography (HPLC) spectra of QNC photocatalytic products.. The posited mechanism of QNC photocatalytic degradation.. Metal salen catalysts were synthesized according to the literature and characterized using an infrared spectrometer.. Four recycling runs of Mn (III) salen for QNC photocatalytic degradation..

Characterization and photocatalytic properties of TiO2/chitosan nanocomposites synthesized by hydrothermal process

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Photocatalytic activity of the synthesized nanocomposites for degradation of MG was compared with undoped-TiO 37 2 and chitosan at optimum conditions. Photocatalytic degradation results for nTC, undoped TiO 2 , and chitosan were and 88%, respectively. The photocatalytic mechanism of MG is represented in Figure 8.. Possible photocatalytic degradation mechanism of MG.. The synthesis of the new composite’s structure was explained by analysis (FT-IR, XRD etc.

Synthesis and characterization of hierarchical CEO2 spherical nanoparticles for photocatalytic degradation of methylene blue

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The photocatalytic activity of hierarchical CeO 2 nanospheres was carried out in the degradation reaction of MB under UV light (20W, 365 nm) at ambient temperature. In a photoreaction experiment, 50 mg of the CeO 2 nanomaterial was added in a conical flask that contained 100 mL of varying concentrations of MB and 20 ppm).

Investigation of the effect of PAn and PAn/ZnO photocatalysts on 100% degradation of Congo red under UV visible light irradiation and lightless environment

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Studies on photocatalytic degradation of different dye types on the surface of PAn/ZnO nanocomposite catalysts have been published. Using the PAn/ZnO nanocomposite for the photocatalytic degradation of the dyes, Saravan et al. found that, as a result of experimental studies, the degradation of the dyes was completed within 180 min [27]. prepared PAn/ZnO nanocomposite film by a solution-casting method and investigated its dielectric properties [28].

Photocatalytic decomposition of textile dyestuffs by photosensitive metal oxide catalysts

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The photocatalytic degradation of Victoria blue on Bi 2 O 3 - CTAB catalyst with different irradiation source.. The photocatalytic degradation of Malachite green in Bi 2 O 3 , Bi 2 O 3 -CTAB, ZnO, ZnO-CTAB catalysts.. Journal of the Taiwan Institute of Chemical Engineers 2015

The role of some metal ions in enhancement of photocatalytic activity of Fe2O3–V2O5 binary oxide

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Figure 7b shows the TOC elimination results on the photocatalytic degradation of 2,4-DCP with 1CuO ̶ (FeV-Pure), 1NiO ̶ (FeV-Pure), 1Co 3 O 4 ̶ (FeV-Pure), and FeV-Pure. This result emphasizes the accomplishment of the total mineralization..

Synthesis of mixed metal MIL(Ti-Fe) from Vietnam ilmenite ore and its application for degradation of dye

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Kinetics of photocatalytic degradation of Rhodamine B under different conditions.. The effects of pH of the solution, initial Rhodamine B concentration, and catalyst dosage on the photocatalytic activity of the prepared photocatalysts were assessed by monitoring the degradation of Rhodamine B in aqueous media. The optimization results indicated that the MIL(Ti-Fe) exhibited good photocatalytic activity for the degradation of Rhodamine B compared with other catalysts.

Influences of ZnO nanorod arrays on photocatalytic activity of n-ZnO nanorods/p-Si heterostructure

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Gao, Preparation of ZnO Photocatalyst for the Efficient and Rapid Photocatalytic Degradation of Azo Dyes, Nanoscal. Lett., Vol. 143, https://doi.org/10.1186/s . Chem., Vol. 199-206, https://doi.org/10.1016/j.jiec . https://doi.org/10.1021/jp410063p.. Lam, Experimental and Numerical Study on Photocatalytic Activity of the ZnO Nanorods/CuO Composite Film, Sci. Rep., Vol. 7792, https://doi.org/10.1038/s w.. Exp., Vol. 045504, https://doi.org ab8a80..

Effect of Mg doping on morphology, photocatalytic activity and related biological properties of Zn1−xMgxO nanoparticles

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The photocatalytic performances of ZnO and Zn 1 − x Mg x O nanoparticles were investigated by measuring the photocatalytic degradation rate of MeB similar to the procedure given by Ali et al. Three different concentrations and 5.0 mg/mL) of ZnO and Zn 1 − x Mg x O nanoparticle suspensions were prepared in sterile test tubes by dispersing the NPs in DDW.

Synthesis and characterization of novel unsymmetrical phthalocyanine/TiO2 composites and their evaluation as photocatalysts for degradation of 4-chlorophenol under visible light

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Diffuse reflectance UV-vis spectra of the powdered pristine TiO 2 and MPc/TiO 2 photocatalysts and photocatalytic degradation of 4-CP over MPc/TiO 2. 5a/TiO 2 , 2.76 eV.

Evaluation on reducing toxicity of fluoxastrobine with doped TiO2 nanoparticles

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The optimum conditions for photocatalytic degradation of FLX.. These values were obtained from the lengths of the surviving individuals. Mn-TiO 2. h: photocatalytic degradation time (hour). Half-life of FLX in an aquatic environment may take 40 days (Wightwick et al., 2012). its application in very high concentrations in agricultural areas increases the environmental risk considerably (Lewis et al., 2019).

Photocatalysis of formaldehyde in the aqueous phase over ZnO/diatomite nanocomposite

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Contribution of each process involved in the photocatalytic degradation of formaldehyde (formalde- hyde concentration = 500 mg/L, photocatalyst dosage = 1 g/L, ZnO to diatomite ratio = 0.3, and initial pH = 7).. The effect of photocatalyst to support ratio on the photocatalytic degradation of formaldehyde (formalde- hyde concentration = 500 mg/L, photocatalyst dosage = 1 g/L, and initial pH = 7)..

Tóm tắt luận án Tiến sĩ Vật lý: Nghiên cứu các tính chất động học và phát triển hệ laser rắn tử ngoại sử dụng vật liệu pha tạp ion Ce3+

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This change indicated a strong interaction between graphite and ZnBi 2 O 4 in the resulting ZnBi 2 O 4 /x.0Graphite photocatalysts, which strongly affected the light energy absorption region.. 3.1.2 Photocatalytic Degradation of IC by ZnBi 2 O 4 /x.0Graphite Effect of Graphite content in ZnBi 2 O 4 /x.0Graphite composites.. The order of the RhB degradation rate for as-prepared photocatalysts was ZnBi 2 O 4 /1.0Graphite (0.0141 min –1 ) >. ZnBi 2 O 4 /2.0Graphite (0.0077 min –-1 ) >.

ZnCr-LDHs with dual adsorption and photocatalysis capability for the removal of acid orange 7 dye in aqueous solution

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This indicates a total mineralisation of the organic dye through the photocatalytic process activate by ZnCr e SO 4 LDH.. Analysis of the LDH material after adsorption/photocatalysis reaction. The FTIR spectra of the AO7, ZnCr e SO 4 LDH after adsorption of AO7, and ZnCr e SO 4 LDH after photocatalytic degradation of AO7 are showed in Fig. Effect of the light excitation domain on the degradation photocatalytic of AO7 in the presence of ZnCreSO 4.

Nghiên cứu tổng hợp vật liệu quang xúc tác nano hệ TiO2 -CeO2 và thăm dò khả năng ứng dụng trong xử lý môi trường

01050001121.pdf

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“Modification of the photocatalytic properties of self doped TiO 2 nanoparticles for hydrogen generation using sunlight type radiation”, International Journal of Hydrogen Energy 34, pp.. (2012), “Synthesis and characterization of CNT/Ce-TiO 2 nanocomposite for phenol degradation”, Journal of Rare Earths 30 (7), pp.. (2009), “Ce-doped TiO 2 for photocatalytic degradation of chlorophenol”, Catalysis Today 144, pp.13-18.. (1996), “An efficient TiO 2 thin film photocatalyst: Photocatalytic properties

Nghiên cứu tổng hợp vật liệu quang xúc tác nano hệ TiO2-CeO2 và thăm dò khả năng ứng dụng trong xử lý môi trường

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“Modification of the photocatalytic properties of self doped TiO 2 nanoparticles for hydrogen generation using sunlight type radiation”, International Journal of Hydrogen Energy 34, pp.. (2012), “Synthesis and characterization of CNT/Ce-TiO 2 nanocomposite for phenol degradation”, Journal of Rare Earths 30 (7), pp.. (2009), “Ce-doped TiO 2 for photocatalytic degradation of chlorophenol”, Catalysis Today 144, pp.13-18.. (1996), “An efficient TiO 2 thin film photocatalyst: Photocatalytic properties

QUANG XÚC TÁC TIO2

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Albanis, TiO 2 –assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic invesgations: A review . Investigation of photocatalytic degradation of phenol by UV/TiO2 process in aquatic solutions . Indoor air purification by photocatalyst TiO 2 immobilized on an activated carbon filter installed in an air cleaner . Indoor air purification using heterogeneous photocatalytic oxidation.

Degradation of bisphenol-a using a sonophoto Fenton-like hybrid process over a LaFeO3 perovskite catalyst and a comparison of its activity with that of a TiO2 photocatalyst

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In the photocatalytic degradation in the presence of LaFeO 3 , with visible light (λ >. 400 nm) illumination, photogenerated electron-hole pairs are formed in the LaFeO 3 perovskite catalyst (Eq. Sonication also helps in the cleaning of the catalyst surface, which increases its efficiency. The comparison of activities of the LaFeO 3.