蛇纹石降砖茶水氟活化及再生条件的实验研究  

Experimental study on the condition s of activation and regeneration of defluoridation of brick -tea water serpentine

作　　者：孙殿军[1] 高丽[1] 庞永珣[1] 万桂敏[1] 徐春蓓[1] 宋丽[1] 吴玉[1] 

机构地区：[1]哈尔滨医科大学中国疾病预防控制中心地方病控制中心,哈尔滨150086

出　　处：《中国地方病防治》2003年第2期86-88,共3页Chinese Journal of Control of Endemic Diseases

摘　　要：目的探讨蛇纹石降砖茶氟的活化再生条件。方法按少数民族饮茶习惯熬制砖茶水(含茶5.0g/L,砖茶水含氟量约3.0mg/L),进行活化剂种类、活化剂浓度、活化时间、再生周期等因素对降氟效果影响的研究。用电极法测砖茶水氟含量。结果蛇纹石降砖茶水氟的活化剂选用明矾(P<0.05)、活化剂浓度选用5%(P<0.05)、活化剂浸泡时间为2～8h(P>0.05)。蛇纹石经活化再生后可反复循环使用。结论蛇纹石经5%明矾活化,可作为有效降氟剂,重复用于降低砖茶水中的氟含量。Objective To study the conditions of activatio n and regeneration defluoridation o f brick -tea water with serpen-tine.Method According to the habit of lccal minority nationality to prepare the brick-tea water containing 5g /L tea i.e.3mg /L fluoride,and to observe the defluoridation effects of serpentine b y comparing different conditions su ch as sorts and concentra-tion of activators,activation time and cycle of regeneration etc.Ion -S elective Electrode(ISE)was employed for monitoring quanti-ty of fluoride.Result The best experimental condition is 5%KAl (SO 4 ) 2 ·12H 2 O as activator soaked 2～8hours in water with the serentine.The serpentine could be used repeatedly by activation and regeneration.Conclusion The actived serpentine by5%KAl (SO 4 ) 2 ·12H 2 O as a effective edfluoridator can be used cyclically for defluoridation of brick -tea water.[

关 键 词：地方性氟中毒 砖茶水 砖茶水 蛇纹石 活化剂 明矾 

分 类 号：R599.9[医药卫生—内科学]