An integrated limestone/lime process for partial sulphate ...
· Limestone and lime treatment is the most costeffective technology for neutralization and partial sulphate removal of acidic/sulphaterich water to sulphate levels of less than 1 500 mg/l due to precipitation of magnesium and removal of the associated sulphate fraction (through gypsum crystallization). Neutralized mine water of this quality may be suitable for irrigation. The process .