Closing Gaps of Knowledge with respect to Advanced Chemical Oxidation Processes for the Removal of Contaminants of Emerging Concern
GAPS - Closing Gaps of Knowledge with respect to Advanced Chemical Oxidation Processes for the Removal of Contaminants of Emerging Concern

Program At A Glance

  Funding Agencies GAPS is financed by the Cyprus Research Promotion Foundation (DESMI 2009-2010)
  Program Period 2013-2015
  Total Budget 49.992 €
  NIREAS Contact Dr. D. Fatta-Kassinos
  Project Acronym GAPS
  Project Code ΚΟΥΛΤΟΥΡΑ/ΒΕΝΣ/0412/24
  Coordinating Beneficiary Nireas - International Water Research Center, University of Cyprus

Program Overview

During the last five years of research work at GAIA-Laboratory of Environmental Engineering and later on at Nireas-International Water Research Center, it became obvious that there are various aspects not foreseen prior to the implementation of various relevant projects that add to the difficulty of reaching optimized solutions concerning the treatment of aqueous matrices for the removal of contaminants of emerging concern, or interfering with the various mechanisms involved in ways not initially thought. Hence, the objective of this project is to try and fill these GAPS by performing both theoretical work and fundamental research so as to be able to establish new concrete solutions towards this direction of science and technology.

 

Project Objectives

·     To understand the role of natural organic matter (NOM) during the application of advanced chemical oxidation processes (AOPs) (by identifying what exactly is contained within the effluent organic matter, identifying the analytical methods that lead to the determination of these substances and understanding the potential interferences of these compounds during the application of AOPs)

·     To evaluate the capacity of solar Fenton oxidation for the antibiotic resistance removal and disinfection potential of urban wastewater

·     To assess the potential of persulphates to provide sulphate radicals and the efficiency of ultraviolet (UV) light activated oxidation for the removal of pharmaceuticals and personal care products (PPCPs) from aqueous matrices

·     To assess the removal of PPCPs from aqueous matrices and investigate the parameters affecting the formation of bromate ions during ozonation.

GAPS involves six Work Packages (WPs):

  • WP1: Project management
  • WP2: Dissemination of results
  • WP3: Understanding the role of NOM during the application of advanced oxidation treatment of aqueous matrices
  • WP4: Antibiotic resistance removal and disinfection potential of urban wastewater by solar Fenton at a pilot plant scale
  • WP5: Ultraviolet (UV) light-activated persulphate oxidation of PPCPs in aqueous matrices
  • WP6: Removal of PPCPs from aqueous matrices and investigation of the parameters affecting the formation of bromate ions during ozonation

WP1 will provide coordination and management of all project activities to ensure the completion of all parts of the proposed project in a timely and efficient manner. The lead will be taken by the Coordinator of the project.

WP2 aims at disseminating the project results as effectively and widely as possible. WP2 will involve the following major components: (i) Dissemination of research results in scientific conferences, (ii) Publication of research results in high impact factor scientific journals and (iii) Incorporation of the new findings in future research.

WP3 is devoted to the collection of information and to the critical analysis of data in relation to the effect on NOM on the application of AOPs, a topic that is of significant importance in order to be able to optimise the efficiency of AOPs in relation to the biological potency of the treated flows. AOPs constitute a proven technology able to degrade micropollutants and purify water; however NOM interferes most of the time by creating toxic by-products. Hence, this work package is designed to provide answers and solutions to this problem.

WP4 includes research work on the investigation of the potential of solar Fenton (at a pilot scale) to remove not only pharmaceuticals, something that is already proven by past projects of our group and others, but also bacteria and especially bacteria that are resistant to antibiotics. This is an absolute new field that is only now starting to be researched on an international level. Our group is one of the pioneering groups are looking into this area.

WP5 is dedicated to the evaluation of the persulphates-based advanced oxidation of selected PPCPs, in order to assess and compare this source of radicals with the one already applied in our laboratory, which is based on hydrogen peroxide and hydroxyl mainly radicals.

WP6 is an activity aiming at the study of the ozonation process for the removal of contaminants of emerging concern and most importantly of the implications related to the formation of bromates when the water to be treated is saline and contain halogens (as is the case in Cyprus, where wastewater is formed out of water containing such entities).

 

Journal publications

Michael-Kordatou, I., Iacovou, M., Frontistis, Z., Hapeshi, E., Dionysiou, D.D., Fatta-Kassinos, D., ″Erythromycin oxidation and ERY-resistant E. coli inactivation in urban wastewater by sulfate radical-based oxidation process under UV-C irradiation″, Water Research, 2015, 85, 346-358.

Michael-Kordatou, I., Michael, C., Duan, X., He, X., Dionysiou, D.D., Mills, M.A., Fatta-Kassinos, D. "Dissolved effluent organic matter: Characteristics and potential implications in wastewater treatment and reuse applications", Water Research 2015, 77, 213-248.

 

Brief summary of the technical Deliverables
D9 - A report with the results obtained in WP3
D10 - A report with the results obtained in WP4
D11 - A report with the results obtained in WP5
D12 - A report with the results obtained in WP6

Project Flyer (click here)

Dissemination Articles: Paideia-News online news portal - 21 November 2013