A treatment of copper phthalocyanine wastewater through physical and chemical pretreatment and bio - chemicaltreatmentprocess is described.
通过试验研究,提出了一种物化—生化法处理铜酞菁颜料废水的新工艺。
2
Therefore, the study was made on the use of subsurface crushed stone wetland for phosphorus removal from the effluent of secondary bio-chemicaltreatmentprocess.
为此,开展了潜流碎石床湿地去除二级生化处理出水中磷的研究。
3
This paper introduces emphatically a kind of chemicaltreatmentprocess prior to the coating on the die casting pieces of aluminium-silicon alloy and its film adhesion.