GÜNEŞ IŞIĞINA DAYALI YÖNTEMLERLE SULARDA MİKROORGANİZMA İNAKTİVASYONU: DERLEME

Year 2017, Volume: 22 Issue: 1, 149 - 168, 27.04.2017

Sevil Çalışkan Eleren

https://doi.org/10.17482/uumfd.309467

Abstract

Bu
çalışma kapsamında, gelişmekte olan ülkelerin yanısıra gelişmiş ülkelerin de sorunu
olan güvenilir içme suyu teminine olanak sağlayan güneş ışığı ile dezenfeksiyon
(SODİS) sistemleri incelenmiştir. Bu kapsamda güneş ışığı ile dezenfeksiyon
sistemlerinin mikroorganizma inaktivasyonundaki verimliliklerinin
arttırılmasına yönelik günümüze kadar yapılmış uygulamalar da
değerlendirilmiştir. Bu inceleme neticesinde, dezenfekte edilecek olan suda
bulunan organik ve inorganik bileşiklerin, sudaki çözünmüş oksijen konsantrasyonunun,
ışık yoğunluğunun, ışığın kalitesinin, sıcaklığın, reaktör tiplerinin,
mikroorganizma türlerinin ve türlerin büyüme safhalarının, güneş ışığı ile
mikroorganizmaların inaktivasyonunu etkilediği tespit edilmiştir. Güneş ışığına
dayalı diğer yöntemlerin (güneş ışığı+H₂O₂, güneş
ışığı+TiO₂, güneş ışığı+Fe⁺², güneş ışığı+H₂O₂+Fe⁺²/Fe⁺³,
güneş ışığı+TiO₂+H₂O₂) inaktivasyon verimini
arttırarak dirençli mikroorganizmaları inaktive etmede daha başarılı olduğu görülmüştür.
Asya, Latin Amerika ve Afrika ülkelerinde oldukça yaygın olarak kullanılan bu
yöntemlerin, ülkemizde de Güneydoğu Anadolu ve Akdeniz Bölgesi gibi güneş
enerjisinin fazla olduğu bölgelerde, sağlıklı ve güvenilir içme ve kullanma
suyu elde etmek amacıyla kullanılabileceği düşünülmektedir.

Keywords

Güneş ışığı radyasyonu, Güvenilir içme suyu temini, İçme suyu arıtma tesisleri, Dezenfeksiyon

Microorganism Inactivation by Solar Based Processes In Water: A Review Study

Abstract

 This paper reviews  the  researches carried out until today related
to  solar disinfection systems (SODİS)
and applications to increase the efficiency of microorganism inactivation,
which allows developing countries, as well as developed countries, to supply
reliable drinking water to a large extent. The paper summarizes the factors
affecting the solar inactivation of microorganisms such as organic and
inorganic compounds, dissolved oxygen concentration, light intensity, light
quality, temperature, reactor types, microorganism types and growth phases of
species in the water to be desenfected. 
As a result of investigation of the literature, it has been determined
that other solar based methods (solar light+H₂O₂, solar
light+TiO₂, solar light+Fe⁺², solar light+H₂O₂+Fe⁺²/Fe⁺³,
solar light+TiO₂+H₂O₂) have been shown to be
more successful for disinfection of the resistant microorganisms by increasing
the efficiency of inactivation. As a result of this study, it can be
recommended that solar based processes which are widely used in Asia, Latin
America and Africa countries can be used to obtain healthy and reliable drinking
and domestic water in Turkey, especially in the regions where solar energy is
much higher such as Southeastern Anatolia and Mediterranean Region.

Keywords

Solar radiation, Supply safe drinking water, Drinking water treatment plants (DWTPs), Disinfection

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