1 Ocak 2019 Dergi makalesi Açık Erişim

Orak, N. H.; Ozsenturk, T.; Topuz, E.; Aydin, E.; Gurel, M.; Genceli, E. A.; Pehlivanoglu-Mantas, E.

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{
  "DOI": "10.1007/s13762-018-02202-5", 
  "abstract": "Chloramination and chlorination contribute to the formation of N-nitrosodimethylamine and trihalomethanes, respectively, both of which are defined as disinfection by-products. To be able to select the most appropriate water treatment scheme, it is important to comparatively evaluate the formation of both of these disinfection by-products during the application of different disinfection methods. In this study, chlorination, chloramination and stepwise chloramination methods have been applied to surface water samples that have been spiked with known N-nitrosodimethylamine precursors. Experimental results showed that ranitidine can be an effective N-nitrosodimethylamine precursor in distilled water, when chloraminated with high concentrations (140mg/L) for a long time (10days), resulting in approximately 450ng/L of N-nitrosodimethylamine. However, neither dimethylamine nor ranitidine leads to significant trihalomethanes or N-nitrosodimethylamine formation in lake water when chloramination is conducted with low concentration (2mg/L) for 2h. These results suggest that N-nitrosodimethylamine concentration measured in the effluent of the drinking water treatment plant may underestimate the N-nitrosodimethylamine concentration that will reach the consumers since chloramination reactions will continue in the distribution system. On the other hand, when only N-nitrosodimethylamine formation potential is used, it will overestimate the N-nitrosodimethylamine that might form in the distribution system due to high disinfectant concentration, high contact time and adjusted pH values used in the N-nitrosodimethylamine formation potential test.", 
  "author": [
    {
      "family": "Orak", 
      "given": " N. H."
    }, 
    {
      "family": "Ozsenturk", 
      "given": " T."
    }, 
    {
      "family": "Topuz", 
      "given": " E."
    }, 
    {
      "family": "Aydin", 
      "given": " E."
    }, 
    {
      "family": "Gurel", 
      "given": " M."
    }, 
    {
      "family": "Genceli", 
      "given": " E. A."
    }, 
    {
      "family": "Pehlivanoglu-Mantas", 
      "given": " E."
    }
  ], 
  "container_title": "INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY", 
  "id": "69413", 
  "issue": "8", 
  "issued": {
    "date-parts": [
      [
        2019, 
        1, 
        1
      ]
    ]
  }, 
  "page": "4083-4090", 
  "title": "Effect of disinfection processes and anthropogenic pollutants on comparative formation of trihalomethanes and N-nitrosodimethylamine", 
  "type": "article-journal", 
  "volume": "16"
}