Zhou Yanli, Yang Xunlan, Song Qingguo and Zhang Ning

Water Environmental Monitoring Center of Yellow River Basin, Zhengzhou 450004, China

Abstract: Based on the condition of sediment and organic contaminants in the Yellow River, volatilization process of naphthalene and 2,6-Di-tert-butyl-p-cresol (BHT) in clear water and sediment laden water of 1g/L and 3g/L was studied to find their volatilization characteristics. The solution concentration with the volatilization process was determined by Gas Chromatograph. Then the experiment data were fitted to curve equation. The results could be attained as follows: volatilization dynamics equation, speed constant, volatilization half life and so on. The impact that organic contaminants property, wind speed and sediment had produced on the volatilization process was discussed. The self-purification law of volatilization provided the technology support to the level of holding contaminants and gross control.

Key words：naphthalene, 2,6-Di-tert-butyl-p-cresol, volatilization, transfer and transformation, sediment