The advances of production process are mainly applications of twostagefiltration, full filtrate circulation, filter aids, membrane solvent recovery, dewaxing at room temperature, etc.
工艺进展主要是两段过滤、全滤液循环、助滤剂应用、渗透膜溶剂回收、室温脱蜡等。
2
A two-stage combination system with CAF cavitation floatation and running sand filtration was used for treating cutting liquid wastewater;