研究了预处理的条件并进行了柱浸试验。
The pretreatment conditions were studied and the column leaching tests were done.
本文介绍了用离子色谱法测定无机阴离子，对污染严重的水样通常采用预处理柱法。
The paper describes the pretreatment of the waste water by using ion chromatography to determine inorganic ions, and discuss the preparation and regeneration of the pre-processing column.
论述了预处理柱的制备、再生，测定了预处理柱对重金属及有机物的去除率及无机阴离子的回收率。
Removal of the heavy metal and organism and recovery of the inorganic ions is also analyzed in this paper.
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