活性氧化铝除氟（activated aluminum process for defluorinate）指的是采用活性氧化铝滤料吸附、交换氟离子，将氟化物从水中除去的过程。
通过大量的试验证明，活性氧化铝除氟不能简单归结为分子吸附或离子交换，要考虑具体的工艺过程。
It is proposed that the process of removing fluorine with activated alumina is inappropriate to be termed as adsorption or ion exchanging, as lots of tests have shown.
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.
研究了选用经过特殊工艺处理的活性氧化铝作为高氟原水的除氟剂。
An activated aluminum oxide processed under a specific way was used as fluorine-removal agent for the treatment of fluorine-contained water.
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