Zeynep ÖZCAN, Gamze SÖNMEZ, Mustafa IŞIK

Reçine atıksuyu karakterizasyonu

Endüstriyel atık suların neden olduğu su kirliliği problemleri günümüzde oldukça yaygındır. Bu çalışmada, halihazırda tehlikeli atık olarak bertarafı pahalı bir şekilde gerçekleştirilen reçine atık sularının tekno-ekonomik olarak arıtımına ışık tutacak karakterizasyon çalışmaları gerçekleştirilmiştir. Endüstriyel atık suların karakterizasyonuna esas olan klasik parametreler ile yapılan ölçüm sonuçları atık suyun üretim proseslerinden kaynaklanan yüksek derecede organik kirlilik içerdiğini (KOİ=19875 mg/L, TOK=6143 mg/L, BOİ5=5879 mg/L) göstermiştir. Yapılan genel toksisite testleri atık suyun hacimsel olarak Daphnia sp. (24 saat) organizmaları dikkate alındığında tatlı sularda LC50=%1.25, anaerobik ve aerobik karışık kültürler dikkate alındığında sırasıyla 24 saatlik IC50=%16.1, ve 48 saatlik IC50=%15.0 toksik ve inhibe edici seviyeler tespit edilmiştir. Halihazırda yakılarak çok yüksek maliyetle bertarafı yapılan bu atıksuyun, belli seviyelerde biyolojik olarak arıtımının mümkün, alıcı ortam deşarj standartlarını sağlayacak ölçüde arıtımının ise daha ileri teknojilerle mümkün olabileceği sonucuna varılmıştır.

Anahtar Kelimeler:

Arıtılabilirlik, Atıksu, Reçine, Toksisite., Maliyet, Resin, Cost, Toxicity, Treatability, Wastewater

Resin wastewater characterization

Water pollution problems caused by industrial wastewater are quite common today. In this study, characterization studies were carried out to shed light on the techno-economic treatment of resin wastewater, which is currently expensive to dispose of as hazardous waste. The measurement results with the classical parameters, which are the basis for the characterization of industrial wastewater, showed that the wastewater contains a high degree of organic pollution (COD=19875 mg/L, TOC=6143 mg/L, BOD5=5879 mg/L) originating from the production processes. The general toxicity tests carried out show that Daphnia sp. with considering the organisms, the wastewater by volume LC50=1,25% with 24 hour in fresh water, IC50=16.1% with 24 hour, and IC50=15.0% with 48 hour, respectively, when anaerobic and aerobic mixed cultures are taken into account, toxic and inhibitory levels were determined. It has been concluded that this wastewater, which is currently disposed of at a very high cost by incineration, can be biologically treated at certain levels, and that it can be treated with more advanced technologies to meet the receiving environment discharge standards.

Keywords:

Resin, Cost, Toxicity, Treatability, Wastewater,

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