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.
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 effective pretreatment for municipal solid waste (MSW) before disposel can not only decrease the capacity of MSW and improve the effect of disposel, but also recover part of resource materials.
对城市生活垃圾处置前进行有效的预处理，不仅可以减少处理量，提高处理的效果，而且可以回收部分资源性物质。
The experiment result expresses, after pretreatment and biological method, drilling sewage can attain a class standard of national waste synthetical discharge.
实验结果表明，经预处理和生物法联合联合处理后的钻井废水可达到国家污水综合排放一级标准。
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