This paper studies a new technology of water defluoridation and fluoride waste treatment.
本文研究了饮水除氟及含氟废水处理新工艺。
The regularity presented practical and theoretical significances for bone char defluoridation of drinking water.
这一变化规律，对现场骨碳降氟站具有很重要的实用价值和理论意义。
Now drink water defluoridation have some means, such as coagulant and sedimentation, filter layer adsorption process.
目前饮用水除氟的方法有很多，如混凝沉淀法、滤层吸附法等。
Now drink water defluoridation have some means, such as coagulant and sedimentation, filter layer adsorption process.
目前饮用水除氟的方法有很多，如混凝沉淀法、滤层吸附法等。
Using lower fluoride water source is the recommended method for water defluoridation and the management should be strengthened.
今后改水降氟措施的主要方向应推广改用低氟水源，加强管理；
The experiment aimed to make reference to design a rural small-scale centralized or distributed defluoridation water supply equipment.
试验旨在为设计一套农村小型集中式或分散式除氟供水设备提供参考。
With the defluoridation capacity of bone char regenerated as an index, the rules of regeneration were studied under different temperatures.
以再生后骨炭的除氟容量为指标，研究了不同温度下再生规律。
The experiment results suggested that the defluoridation process of aluminum salt coagulant includes adsorption, ion exchange and complex precipitation, etc.
结果表明，铝盐混凝除氟的主要作用机理有吸附、离子交换、络合沉降等。
Objective To investigate the distribution of water fluoride and the present status of water-improving defluoridation projects in the endemic fluorosis areas in Shandong Province.
目的了解山东省氟中毒病区水氟分布和改水降氟工程现状。
At the same time, the effect of the concentration of sodium metaaluminate and regeneration time on the defluoridation capacity of activated alumina after being regenerated has been studied.
同时研究了偏铝酸钠浓度、再生时间对再生后的活性氧化铝的除氟效能的影响。
At the same time, the effect of the concentration of sodium metaaluminate and regeneration time on the defluoridation capacity of activated alumina after being regenerated has been studied.
同时研究了偏铝酸钠浓度、再生时间对再生后的活性氧化铝的除氟效能的影响。
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