ANAEROBİK ÇÜRÜTÜCÜ ATIKSULARININ MİKROALG REAKTÖRLERİNDE ARITILMASI

Yıl 2019, , 89 - 108, 31.12.2019

Ülker Diler Keriş Şen

https://doi.org/10.17482/uumfd.530127

Öz

Bu çalışma evsel nitelikli anaerobik çürütücü atıksuyunun (AÇAS) evsel nitelikli atık suların alıcı
ortam deşarj standartlarına uygun düzeyde arıtılmasında bakteri ve mikroalg kültürlerinin birlikte ve ayrı
ayrı kullanılmasının arıtım verimliliği üzerindeki etkisini incelemek üzere yürütülmüştür. Bakteri ve
mikroalg kültürlerinin birlikte kullanıldığı, AÇAS içeriğinin kademeli olarak arıtma tesisi deşarj suyu
(AD) ile seyreltilerek işletilen reaktörlerde ulaşılan arıtım verimleri kimyasal oksijen ihtiyacı (KOİ) için
%87,9, toplam organik karbon (TOK) için %86,6 ve inorganik karbon (İK) için %84,6 olmuştur. Bununla
birlikte atıksu muhtevasındaki fosfatın (PO4
3-
-P) %84’ü ve toplam azotun (TA) %100’ü giderilmiştir.
Diğer taraftan bakteri ve mikroalg kültürlerinin ayrı ayrı kullanılmasının karşılaştırıldığı deneylerde
mikroalglerin, atıksu arıtımında bakterilerden daha iyi bir arıtım sağladığı ancak her iki mikroorganizma
topluluğunun birlikte kullanılmasının çok daha etkin bir arıtım sağladığı tespit edilmiştir. Çalışma
sonunda Türkiye Su Kirliliği Kontrolü Yönetmeliği Evsel Nitelikli Atık Suların Alıcı Ortam Deşarj
Standartlarına (Sınıf: 3) uygun düzeyde arıtım sağlanmıştır.

Anahtar Kelimeler

Mikroalg, Anaerobik Çürütücü, Atıksu Arıtımı

Treatment of Anaerobic Digestion Effluent in Microalgal Bioreactors

Öz

This study was performed to investigate the effect of combined and separate use of bacteria
and microalgae cultures on the efficiency of the treatment domestic anaerobic digestion (AD) effluent to
meet the domestic wastewater discharge standards. AD effluent was diluted with waste water treatment
plant discharge in different proportions in separate reactors and the treatment efficiency of reactors was
compared regarding nutrient removal yields. The highest treatment efficiency was obtained with
combined use of bacteria and microalgae cultures and corresponding removal efficiencies were 87.9% for
COD, 86.6% for TOC, 84.6% for IC, 84% for orthophosphates and for 100% total nitrogen. On the other
hand, it was found that although the treatment efficiencies in the reactors including only microalgae
cultures are higher than those including only bacterial cultures, and the combined use of microalgal and
bacteria cultures still has the highest treatment efficiency among others at the end of the study, AD
effluent was successfully treated according the Turkey Water Pollution Control Regulation Domestic
Wastewater Discharge Standards (Class:3). 

Anahtar Kelimeler

Microalgae, Anaerobic Digestion, Wastewater Treatment

Kaynakça

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