Investigation of diclofenac degradation in a continuous photo-catalytic membrane reactor. Influence of operating parameters

Sarasidis, V.C.; Plakas, Konstantinos V.; Patsios, Sotiris I.; Karabelas, A.J.

doi:10.1016/j.cej.2013.11.026

Cited by 138 publications

(53 citation statements)

References 54 publications

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“…alginates, humic acids) and anthropogenic (e.g. diclofenac) origin, has already been proven in this laboratory (Sarasidis et al, 2014;Patsios et al, 2013;Sarasidis et al, 2011). The encouraging results so THE EFFECT OF HUMIC ACIDS ON THE REMOVAL OF ATRAZINE 517 far have been obtained by treating separately single-solute aqueous solutions.…”

Section: Introductionmentioning

confidence: 57%

“…The photocatalyst was titanium dioxide (Aeroxide ® P25, Degussa-Evonik, Germany) at concentration 0.50 g l -1 which was found to be near optimum for diclofenac degradation (Sarasidis et al, 2014). Humic acid sodium salt (HA) and atrazine (ATR) were of technical/analytical grade (Sigma-Aldrich) and were used as received.…”

Section: Methodsmentioning

confidence: 99%

“…Details on the construction of the photoreactor and the experimental system used in this study, which can run unattended for long time periods, can be found elsewhere Sarasidis et al, 2014). …”

Section: Photocatalytic Membrane Reactor (Pmr)mentioning

confidence: 99%

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The effect of humic acids on the removal of atrazine from water in a continuous photocatalytic membrane reactor

2014

Global NEST Journal

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This paper examines the effect of humic acids (HA) and other solution constituents (Ca 2+ , Mg 2+ , Na + ), frequently encountered in potable water sources, on the removal of a well-known herbicide, atrazine (ATR), by a laboratory-scale pilot Photocatalytic Membrane Reactor (PMR) system. Experimental results with different HA concentrations, in the presence (or not) of background cations, demonstrate the attainment of steady-state operation with constant degradation efficiencies and controlled membrane fouling phenomena. The excellent performance of the system is attributed to the efficient photocatalytic degradation of the dissolved organics, which is enhanced by steric interactions between the HA-ATR pseudo-complexes and the membrane. The successful laboratory tests hold promise for practical water treatment applications of the proposed PMR system.

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Section: Introductionmentioning

confidence: 57%

Section: Methodsmentioning

confidence: 99%

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The effect of humic acids on the removal of atrazine from water in a continuous photocatalytic membrane reactor

2014

Global NEST Journal

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“…The increase in photocatalytic efficiency was due to the increase in the amount of nanophotocatalyst particles in the reaction mixture, which results in increased adsorption of dye molecules. The decrease in dye degradation efficiency at higher amounts is due to light scattering by accessing the amount of solid particles present in the reaction mixture [28][29]. Hence 60 mg/100 mL was found to be the optimum catalyst dose for both dyes.…”

Section: Effect Of Catalyst Dosementioning

confidence: 99%

Photocatalytic Activity of Al2O3.Fe2O3 Synthesized by Ultrasonic-Assisted Mechanical Stirring

Ullah¹,

Ali²,

Hanif³

et al. 2017

Pol. J. Environ. Stud.

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“…The majority of the PMRs developed by the researchers were in laboratory scale; only few researchers designed PMRs in pilot scale. Karabelas's group developed a laboratory pilot PMR system firstly [69], and then enlarged it into pilot scale in the following study [70]. The pilot-scale PMR mainly consisted of a membrane vessel and a UV treatment system as presented in Figure 9.…”

Section: Split-type Pmrs With Suspended Photocatalystmentioning

confidence: 99%

Photocatalytic Membrane Reactors (PMRs) in Water Treatment: Configurations and Influencing Factors

et al. 2017

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Abstract:The lack of access to clean water remains a severe issue all over the world. Coupling photocatalysis with the membrane separation process, which is known as a photocatalytic membrane reactor (PMR), is promising for water treatment. PMR has developed rapidly during the last few years, and this paper presents an overview of the progress in the configuration and operational parameters of PMRs. Two main configurations of PMRs (PMRs with immobilized photocatalyst; PMRs with suspended photocatalyst) are comprehensively described and characterized. Various influencing factors on the performance of PMRs, including photocatalyst, light source, water quality, aeration and membrane, are detailed. Moreover, a discussion on the current problems and development prospects of PMRs for practical application are presented.

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Investigation of diclofenac degradation in a continuous photo-catalytic membrane reactor. Influence of operating parameters

Cited by 138 publications

References 54 publications

The effect of humic acids on the removal of atrazine from water in a continuous photocatalytic membrane reactor

The effect of humic acids on the removal of atrazine from water in a continuous photocatalytic membrane reactor

Photocatalytic Activity of Al2O3.Fe2O3 Synthesized by Ultrasonic-Assisted Mechanical Stirring

Photocatalytic Membrane Reactors (PMRs) in Water Treatment: Configurations and Influencing Factors

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