The Effective Electrolytic Recovery of Dilute Copper from Industrial Wastewater

Table 1

The copper reduction rate with different types of iron.

Types of iron	Reduction percent %
	2 h	4 h	8 h
Without iron	54.8	99	99.9
With ferrous ion	39.5	62.8	99.56
With ferric ion	28.3	46.6	83.6