Development of a solar technology for the removal of effluent organic matter from urban wastewater


This work is was funded by the Cyprus Research Promotion Foundation through Desmi 2008 which is co-funded by the Republic of Cyprus

and the European Regional Development Fund of the EU.




The background for initiating the project is the high public awareness on the effects of xenobiotic organic compounds and especially disrupting chemicals (EDCs) on wildlife and humans. Such compounds are contained in the remaining effluent organic matter (EOM) of the treated sewage.

Particularly, this project is motivated: (1) the widely implemented wastewater reuse practices in Cyprus and (2) the increasing number of reports related to the existence of persistent xenobiotic organic pollutant in the outlet of conventional Urban Wastewaters Treatment Plants (UWTPs) worldwide and (3) the fact that in Cyprus sand filtration and chlorination are applied as a tertiary treatment at the UWTPs for removing microorganisms which is a step that it does not contribute to the complete mineralization of EOM.


The following Actions constitute the main structure of the project:

(1) development of the engineering and technological parameters,

(2) design of the pilot plant,

(3) technological development and assessment of the pilot plant,

(4) dissemination and exploitation of the results

(5) management of the project.



The innonative character of SolTec is based on:

(1) the integration of Heterogeneous and Homogeneous photocatalysis and conventional Urban Wastewater Treatment for the elimination of recalcitrant xenobiotics in real wastewater and maximization of EOM removal and

(2) the use of solar light for the energy needs of the photocatalysis.


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