Nickel and Zinc Removal from Acid Mine Drainage: Roles of Sludge Surface Area and Neutralising Agents

Table 1

Concentration (mg L⁻¹) of major cations, trace elements, and anions in the acid mine drainage.

Major cations						Trace elements			Anion
Na	Mg	Al	Mn	Fe	Ca	Ni	Cu	Zn	SO4^2−
13.1	20.7	86.0	2.6	45.9	37.7	0.75	0.91	4.42	1100