2010 Fiscal Year Final Research Report

Structural characteristics of N-nitrosodimethylamine precursors on ozonation

Research Project

Project/Area Number	21760423
Research Category	Grant-in-Aid for Young Scientists (B)
Allocation Type	Single-year Grants
Research Field	Civil and environmental engineering
Research Institution	National Institute of Public Health
Principal Investigator	KOSAKA Koji National Institute of Public Health, 水道工学部・生活衛生適正技術開発, 主任研究官 (60370946)
Project Period (FY)	2009 – 2010
Keywords	N-ニトロソジメチルアミン(NDMA) / オゾン / 副生成物
Research Abstract	Conversion yields of six compounds to N-nitrosodimethylamine (NDMA) by ozonation were investigated. It was found that the compounds with the function, (CH_3)_2N-N, had high conversion yields to NDMA by ozonation and the surrounding structures of the function were related to NDMA formation. It was considered that the conversion yields of some compounds were not affected by co-existing compounds or radicals, but others were affected. The compounds with high conversion yields to NDMA by ozonation were different from those by chloramination.

(1 results)