Evsel Nitelikli Gri Suyun Geri Kazanılabilirliğinin Araştırılması

Ayşenur Özgün; Yasemin Damar Arifoğlu

doi:10.29002/asujse.1213829

EN TR

Investigation of Recyclability of Domestic Gray Water

Abstract

It is aimed to treat and reuse gray water in order to meet the increased water requirements as a result of the decrease in water resources. Purifying and recycling gray water with the aim of protecting drinking water is an alternative resource. Gray water from showers, bathroom and kitchen sinks, washing machines and dishwashers constitute a large part of domestic wastewater. Gray water contains a low amount of total pollutant load. Gray waters, which include waste water other than toilets, constitute 55-80% of the total domestic water use. The gray water used in this study was obtained from a residence of 20-24 people consisting of 6 flats in Kocaeli province, Izmit district. Among the various gray water recycling treatment technologies, SBR (Sequential Batch Reactor) is an effective treatment technique for reducing dissolved suspended solids and nutrient removal from gray water. A lab-scale SBR was designed as a pilot plant to treat gray water. Water samples were collected at 1-day and 2.5-day hydraulic reaction times (HRT). In the results obtained in 1 day of HRT; avg. pH value 7.32, avg. EC value 586.8 µS/cm, avg. DO value 3.30 mg/L, avg. turbidity value of 7.39 NTU and avg. turbidity removal efficiency 99%, avg. TSS value of 6.92 mg/L and avg. TSS removal efficiency 98%, avg. phosphorus value is 7.51 mg/L and avg. phosphorus removal efficiency 84%, avg. nitrogen value is 15.92 mg/L and avg. nitrogen removal efficiency 59% and avg. COD value is 569 mg/L and avg. removal efficiency was measured as 69%. In the results obtained in 2.5 days of HRT; avg. pH value 7.76, avg. EC value 574.6 µS/cm, avg. DO value 5.07 mg/L, avg. turbidity value of 4.34 NTU and avg. turbidity removal efficiency 99%, avg. TSS value of 4.72 mg/L and avg. TSS removal efficiency 98%, avg. phosphorus value is 3.79 mg/L and avg. phosphorus removal efficiency 89%, avg. nitrogen value 13.02 mg/L and avg. nitrogen removal efficiency 54% and avg. COD value is 368 mg/L and avg. the removal efficiency was measured as 70%.

Keywords

Evsel Nitelikli Gri Suyun Geri Kazanılabilirliğinin Araştırılması

Öz

Su kaynaklarının azalması sonucu artan su gereksinimlerini sağlamak için gri suların arıtılması ve yeniden kullanılması amaçlanmaktadır. İçme sularını korumak hedefiyle gri suların arıtılarak geri kazanılması alternatif bir kaynak oluşturmaktadır. Duşlardan, banyo ve mutfak lavabolarından, çamaşır ve bulaşık makinelerinden gelen gri sular evsel atık suyun büyük bir kısmını oluşturmaktadır. Gri su toplam kirletici yükünü düşük miktarda içermektedir. Tuvalet harici atık suları içeren gri sular toplam evsel su kullanımının %55-80’lik kısmını oluşturmaktadır. Bu çalışmada kullanılan gri su, Kocaeli İl’i İzmit İlçesi’nde 6 daireden oluşan 20-24 kişilik konuttan temin edilmiştir. Çeşitli gri su geri dönüşüm arıtma teknolojileri arasında AKR (Ardışık Kesikli Reaktör), gri sudan çözünmüş askıda katı madde ve nutrient gideriminin azaltılmasında etkili bir arıtma tekniğidir. Gri suyu arıtmak için laboratuar ölçekli bir AKR, pilot tesis olarak tasarlanmıştır. 1 günlük ve 2.5 günlük hidrolik reaksiyon sürelerinde(HRT) su örnekleri toplanmıştır. HRT 1 günde elde edilen sonuçlarda; ort. pH değeri 7.32, ort. E.İ. değeri 586.8 µS/cm, ort. Ç.O. değeri 3.30 mg/L, ort. bulanıklık değeri 7.39 NTU ve ort. bulanıklık giderim verimi %99, ort. AKM değeri 6.92 mg/L ve ort. AKM giderim verimi %98, ort. fosfor değeri 7.51 mg/L ve ort. fosfor giderim verimi %84, ort. azot değeri 15.92 mg/L ve ort. azot giderim verimi %59 ve ort. KOİ değeri 569 mg/L ve ort. giderim verimi %69 olarak ölçülmüştür. HRT 2.5 günde elde edilen sonuçlarda; ort. pH değeri 7.76, ort. E.İ. değeri 574.6 µS/cm, ort. Ç.O. değeri 5.07 mg/L, ort. bulanıklık değeri 4.34 NTU ve ort. bulanıklık giderim verimi %99, ort. AKM değeri 4.72 mg/L ve ort. AKM giderim verimi %98, ort. fosfor değeri 3.79 mg/L ve ort. fosfor giderim verimi %89, ort. azot değeri 13.02 mg/L ve ort. azot giderim verimi %54 ve ort. KOİ değeri 368 mg/L ve ort. giderim verimi %70 olarak ölçülmüştür.

Anahtar Kelimeler

Project Number

2020-7-24-32

Thanks

Sakarya Üniversitesi başta olmak üzere BAPK'lüğüne de teşekürlerimi sunarım.

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Details

Primary Language

Turkish

Subjects

Engineering , Waste Management, Reduction, Reuse and Recycling

Journal Section

Research Article

Authors

Ayşenur Özgün
0000-0002-5900-3199
Türkiye

Yasemin Damar Arifoğlu ^*
0000-0003-1281-0847
Türkiye

Publication Date

June 30, 2023

Submission Date

December 2, 2022

Acceptance Date

January 19, 2023

Published in Issue

Year 2023 Volume: 7 Number: 1

DOI

https://doi.org/10.29002/asujse.1213829

IZ

https://izlik.org/JA84LY22SU

Cite

RIS / Bibtex

APA

Özgün, A., & Damar Arifoğlu, Y. (2023). Evsel Nitelikli Gri Suyun Geri Kazanılabilirliğinin Araştırılması. Aksaray University Journal of Science and Engineering, 7(1), 6-18. https://doi.org/10.29002/asujse.1213829