Journal
OZONE-SCIENCE & ENGINEERING
Volume 43, Issue 3, Pages 213-227Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01919512.2020.1794794
Keywords
Ozonation; medical laboratory wastewater; characterization; toxicity; central composite design
Categories
Funding
- Ministry of Environment and Urbanization
- Yildiz Technical University-the Scientific Research Projects Coordination Unit [FDK-2018-3426]
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The study found that medical laboratory wastewaters have highly toxic properties, and ozone treatment is an effective option for removing COD, BOD5, AOX, and TU from MLW.
This study performed a long-term characterization of medical laboratory wastewaters (MLWs) arising from diagnosis and examination units. The results indicated that the MLWs may be assessed as strong domestic wastewater and also have highly toxic properties. Furthermore, statistical optimization of toxicity removal through ozonation was investigated using the central composite design. COD, BOD5, AOX, and Toxicity unit (TU) removals were determined to be 50.6%, 43.2%, 48.9%, and 99.9%, respectively. The TU value of the MLW decreased from 163 to 0.16. The results of the study indicated that the ozonation process is an effective treatment option for COD, BOD5, AOX, and TU removal from MLW.
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