Conference proceedings

Displaying 21 - 30 of 36 in CEST2021 (remove filter), Advanced oxidation processes (remove filter)

CEST Proceedings are published under the ISSN 2944-9820.

Preliminary Research on Removal of Organic Substances Contained in Wastewater from Plastic Lenses Production

(Corresponding) Umiejewska K., Różycki M.

Topic:

Advanced oxidation processes

More than 80 percent of all eyeglasses worn today have plastic lenses. Plastic lenses made of polycarbonate discs are created through the process of machining which requires the use of a coolant. During the production process, the rotating disc and blade are poured with a mixture of water and...Read more

Keywords:

organic substances, wastewater treatment, advanced oxidation process, Fenton reagent

DOI:

https://doi.org/10.30955/gnc2021.00359

Paper ID:

cest2021_00359

SELECTED APPLICATIONS of CAVITATION BASED ADVANCED OXIDATION PROCESSES (AOPs) for TREATMENT of WATER and INDUSTRIAL EFFUENTS

Fedorov K., Cako E., (Corresponding) Boczkaj G.

Topic:

Advanced oxidation processes

Cavitation phenomenon was effectively applied for enhancement of Advanced Oxidation Processes (AOPs) effectiveness. Main applications are focused on treatment of water as well as industrial effluents [1-2]. Cavitation phenomenon can be generated in the liquid by intentionally formed differences in...Read more

Keywords:

cavitation, AOP, radicals, wastewater treatment, oxidation, persulfates

Paper ID:

cest2021_00364

Degradation of cytostatic drugs in water by ozonation

(Corresponding) Garcia-Costa A., Gouveia T., Pereira M., Silva A., Alves A., Madeira L., Santos M.

Topic:

Advanced oxidation processes

This work presents the degradation of five cytostatics found in Portuguese WWTP effluents: bicalutamide (BICA), capecitabine (CAP), cyclophosphamide (CYC), ifosfamide (IFO) and mycophenolic acid (MPA) using non-catalytic ozonation. Experiments were performed with 1 µM of each cytostatic at pH: 7.3...Read more

Keywords:

cytostatic drugs, oxidation, water treatment, emerging contaminants

Paper ID:

cest2021_00389

Ηexavalent chromium reduction in a photocatalytic membrane reactor in the presence of organic acids

(Corresponding) Sarasidis V., Kyriakou E., Plakas K., Karabelas A.

Topic:

Advanced oxidation processes

This study deals with the photocatalytic reduction of carcinogenic hexavalent chromium, encountered in industrial effluents and surface waters, to much less toxic and harmful trivalent form. Experiments were performed in a pilot scale Photocatalytic Membrane Reactor employing titanium dioxide...Read more

Keywords:

Advanced oxidation processes, heterogeneous photocatalysis, ultrafiltration, titanium dioxide nanoparticles, wastewater treatment

DOI:

https://doi.org/10.30955/gnc2021.00419

Paper ID:

cest2021_00419

Influence of the addition of M2+ (M: Co, Cu, Zn) on the properties and activity of W-TiO2 and Mo-TiO2 photocatalysts for water remediation

Mergenbayeva S., (Corresponding) Poulopoulos S., Grilla E., Vakros J., Mantzavinos D.

Topic:

Advanced oxidation processes

In this study, ternary systems of M1M2TiO2 (M1:Co, Cu, Zn) M2 (WO3, MoO3) were prepared and tested for the photocatalytic degradation of sulfamethoxazole. It was found that W-oxo species can be used without significant alteration of the TiO2 activity, while only Cu is a possible candidate for the...Read more

Keywords:

TiO2, WO3, SMX

DOI:

https://doi.org/10.30955/gnc2021.00426

Paper ID:

cest2021_00426

Destruction of anthracene and phenanthrene using PDS/UV, one of advanced oxidation processes in terms of degree of destruction and by-products.

(Corresponding) Nowakowski M., Czyż E., Wolski R., Andrzejewski P.

Topic:

Advanced oxidation processes

Anthracene and phenanthrene belong to a group of persistent environmental contaminants called PAHs. Evaluation of the structural of two selected PAHs i.e. anthracene and phenanthrene on its resistance to destruction by UV-activated PDS was the aim of this study. Authors focused on two aspects of...Read more

Keywords:

Anthracene, Phenanthrene, AOPs, substituted PAHs

DOI:

https://doi.org/10.30955/gnc2021.00468

Paper ID:

cest2021_00468

Valorization of olive stone by-product as Fenton-like catalysts for olive mill wastewater treatment

(Corresponding) Esteves B., Morales-Torres S., Maldonado-Hódar F., Madeira L.

Topic:

Advanced oxidation processes

The olive oil industry is responsible for the generation of highly-loaded and complex effluents (olive mill wastewaters, OMW) that pose several environmental threats. In particular, OMW’s polyphenolic fraction is known for its recalcitrant behavior and phytotoxic properties (McNamara et al., 2008...Read more

Keywords:

Activated Carbon, Catalyst, CWPO, Fenton

Paper ID:

cest2021_00475

Solar photocatalytic degradation of pharmaceutical compounds using ZnSnO3/CB composites

Kouvelis k., Petala A., (Corresponding) Frontistis Z., Kondarides D.

Topic:

Advanced oxidation processes

In this study, the activity of ZnSnO3 as a photocatalyst for the degradation of persistent micro–pollutants under simulated solar irradiation has been assessed. Zinc stannate (ZnSnO3), belongs to the class of ternary oxides and has a reported band gap of 2.4 eV. Due to its narrow band gap can be...Read more

Keywords:

photocatalysis, micro pollutants, solar, visible, persistent

Paper ID:

cest2021_00518

Heterogeneous activation of persulfate by LaSrNiGaO3

Kouvelis K., Petala A., Bampos G., (Corresponding) Frontistis Z., Kondarides D.

Topic:

Advanced oxidation processes

In recent years, scientists in the field of environmental management and protection, have not only detected but also quantified a large number of pharmaceuticals in treated wastewater, surface and groundwater. In order to address this problem, intensive research is carried out to develop effective...Read more

Keywords:

perovskite oxide, persulfate, oxidation, sulfamethoxazole, pharmaceuticals

Paper ID:

cest2021_00520

Can mixed oxides act as efficient photocatalysts for the elimination of organic water pollutants?

(Corresponding) Favier L., Sescu A., (Corresponding) HARJA M., Siamer S., Lutic D.

Topic:

Advanced oxidation processes

New mixed-metal oxides containing zinc and lanthanum were prepared by coprecipitation. The synthesized nanocomposites were calcined, and characterized by scanning electron microscopy (SEM), X-ray diffraction, FT-IR, BET and DR analysis. The calcined sample showed a higher crystalinity, confirmed by...Read more

Keywords:

mixed oxide; lanthanum; micropollutant; organic compound; photocatalysis

Paper ID:

cest2021_00615