Various methods for removing contaminants, such as chromium, sulfide, suspension, organic compounds and inorganic salts, from wastewater in the leather industry are introduced.
介绍了皮革工业废水中所含污染物质铬、 硫化物、 悬浮物和有机化合物、无机盐等的各种去除方法。
2
The paper describes the pretreatment of the wastewater 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。
3
The application of inorganic ceramic filter membrane technology enables the recycle of heat from wastewater on top of the high-level recycle of waste water.