Nilüfer Çayının Sulama Suyu Kalitesi ve Arıtma Tesisleri Atıksularının Etkileri

Anahtar Kelimeler:

Bakiye sodyum karbonat, sodyum adsorbsiyon oranı, atık su deşarjı, su kirliliği

Irrigation Water Quality of Nilüfer Stream and Effects of the Wastewater Discharges of the Treatment Plants

In this research, the aim is to determine the irrigation water quality parameters of Nilüfer stream which is the most important irrigation water resource of Bursa and also the wastewater discharge point of many water treatment plants. Water samples were taken at four different periods between August 2013-May 2014 from the starting point of the five treatment plants that discharge to Nilüfer stream and from the stream which the treatment plants discharge to. The pH (7.04 – 9.43), EC (0.36 – 6.75 mS cm-1), temperature (10.7 – 32.9°C), ammonium-N (trace – 86.73 mg l-1), nitrate - N (trace – 19.33 mg l-1), phosphorus (0 – 10.68 mg l-1), Boron (0 – 3.85 mg l-1), sulfate (4.1 – 325.8 mg l-1), chlorine (7.09 – 857.9 mg l-1) amounts were determined and also the Residual Sodium Carbonate (RSC) (trace – 44.02 me l-1) and Sodium Adsorption Ratio (SAR) (0.20 – 37.15) were calculated respectively. Wastewater samples were classified between C2S1-C4S4 according to the EC and Sodium Adsorption Ratio (SAR) values. Treatment plants wastewater discharges vary due to the periods and negatively affected pH, EC, ammonium, phosphorus, sulfate, boron and chlorine contents of the Nilüfer stream.

Keywords:

Resudial sodium carbonate, sodium adsorption ratio, wastewater discharge, water pollution,

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