Evaluation of Wastewater Treatment Performances for Municipalities by Using MCDM Methods: Case Study in Turkey

Year 2018, Volume: 11 Issue: 2, 243 - 254, 31.08.2018

Ertuğrul Ayyıldız , Gökhan Özçelik

https://doi.org/10.18185/erzifbed.390010

Cited By: 4

Abstract

Reusing of the wastewater has a vital importance
because of limited natural water resources all around the world. Recycled
wastewater can be used in many areas such as agriculture, industry, cleaning
etc. Treatment of wastewater is one of the important tasks of metropolitan
municipalities. The aim of this study is to evaluate the performances of
wastewater treatment services provided by the metropolitan municipalities in
Turkey using a hybrid approach using Entropy, SAW, MOORA and TOPSIS methods. In
the scope of the study, four criteria have been considered as the ratio of the
municipal population served by the treatment plant to the total population, the
ratio of the municipal population served by the sewerage system to the total
population, treatment rate of discharged water, increase rate of treated water
in treatment plants. A case study has been conducted in Turkey and the
metropolitan municipalities have been ranked depending on their performance.
Aydin Metropolitan Municipality as the highest municipality and Kahramanmaraş
Metropolitan Municipality as the lowest municipality have been determined. In
Western cities performance is high, performance goes down as it goes east.

Keywords

Wastewater treatment, SAW, TOPSIS, MOORA

Evaluation of Wastewater Treatment Performances for Municipalities by Using MCDM Methods: Case Study in Turkey

Abstract

Atıksuyun yeniden kullanımı, tüm dünyadaki sınırlı
doğal su kaynakları nedeniyle hayati öneme sahiptir. Geri dönüştürelen atıksu,
tarım, sanayi, temizlik vb. birçok alanda kullanılabilir. Atık suyun arıtımı,
büyükşehir belediyelerinin önemli görevlerinden biridir. Bu çalışmanın amacı,
Türkiye'deki büyükşehir belediyeleri tarafından sağlanan atıksu arıtma
hizmetlerinin Entropi, SAW, MOORA ve TOPSIS yöntemlerini kullanan hibrit bir
yaklaşımla performanslarını değerlendirmektir. Çalışma kapsamında, arıtma
tesisleri ile hizmet verilen belediye nüfusunun toplam nüfusa oranı,
kanalizasyon sistemi ile hizmet verilen belediye nüfusunun toplam nüfusa oranı,
boşaltılan suyun arıtılma oranı ve arıtma tesislerinde arıtılmış su oranı olmak
üzere dört kriter dikkate alınmıştır. Türkiye'de bir vaka çalışması yapılmış ve
büyükşehir belediyeleri performanslarına göre sıralanmıştır. Performansı en
yüksek belediye olarak Aydın Büyükşehir Belediyesi en düşük belediye olarak ise
Kahramanmaraş Büyükşehir Belediyesi tespit edilmiştir. Batı şehirlerinde
performanslar yüksek iken, doğuya gidildikçe performans düşmektedir.

Keywords

Atıksu arıtımı, SAW, TOPSIS, Entropi, MOORA

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