| Title |
Formation and Treatment Methods of N-Nitrosodimethylamine (NDMA) in Water and Wastewater |
| Authors |
김종오 ( Jong O Kim ) ; 이우범 ( Woo Bum Lee ) ; 박수호 ( Soo Ho Park ) |
| DOI |
https://doi.org/10.15681/KSWE.2014.30.1.095 |
| Keywords |
Disinfection; Dimethylamine; DMA; Monochloraminc; N-nitrosodimethylamine; NDMA; Treatment method; Water supply and wasterwater |
| Abstract |
Overall studies for the N-nitrosodimethylamine (NDMA) formation and treatment methods were conducted. In this study, occurrence in several countries and emerging treatment rechnologies of NDMA were generally reviewed. The NDMA formation was dependent on pH, contact time, and molar ratio (monochloramine/dimethylamine). The formation was rapidly increased when the molar ratio was greater than I. It was likely that monochloramine could be related to stimulate NDMA formation. NDMA concentrations in water supply and wastewater plants after disinfection were approximately 10ng/L and 100ng/L, respectively. UV oxidation and adsorption processes are regarded as effective technologies for the NDMA removal. It is suggested that the UV oxidation with proper lamps is applied in water supply system. |