The preparation and the research of Copper-chelex chitosan for removal ammonia-nitrogen from the drinking water
In order to remove ammonia-nitrogen from drinking water and reduce its threat to human health,Copper-chelex chitosan that is to be the new ammonia-nitrogen remover was prepared by chelating chitosan with copper acetate.In this paper,we measure the effect of this remover with pH= 7.5,8.5,9.5 and the concentration of ammonia-nitrogen,such as 1.5mg/L,2.5mg/L,5mg/L,10mg/L and 100mg/L.From the result of this experiment,we draw a conclusion that the removal efficiency of ammonia-nitrogen is about 80％ when the pH is greater than 7.5 and the water inflow concentration of ammonia-nitrogen is 100mg/L.as the initial concentration ammonia-nitrogen is increasing,the removal rate is improved regularly.
chitosan copper metal complex ammonia-nitrogen removal rate
Li Chun-Ying Li Wei-Guang Wang Guang-zhi Wang Ke
State Key Lab of Urban Water Resource and Environment,School of Municipal and Environmental Engineer National Engi-neering Research Center of Urban Water Resources,School of Municipal and Environmental
国际会议
哈尔滨
英文
1166-1169
2010-07-24（万方平台首次上网日期，不代表论文的发表时间）