A preliminary investigation of the nitrate content of groundwater and limitation of the nitrate input A preliminary investigation of the nitrate content of groundwater and limitation of the nitrate input
The capacity of soils in the Vaal Dam catchment to retain sulphate from atmospheric pollution The capacity of soils in the Vaal Dam catchment to retain sulphate from atmospheric pollution
Enhancement of the national groundwater database facilities Enhancement of the national groundwater database facilities
Artificial wetland use for wastewater treatment: Theory, practice and economic review Artificial wetland use for wastewater treatment: Theory, practice and economic review
Research on biological phosphate removal in activated sludge Research on biological phosphate removal in activated sludge
A comparative study of chlorine dioxide and other oxidants in potable water treatment A comparative study of chlorine dioxide and other oxidants in potable water treatment
Development of an ultrafiltration pretreatment system for seawater desalination by reverse osmosis Development of an ultrafiltration pretreatment system for seawater desalination by reverse osmosis
Simple titration procedures to determine H2CO3* alkalinity and short-chain fatty acids in aqueous solutions Simple titration procedures to determine H2CO3* alkalinity and short-chain fatty acids in aqueous solutions
A comprehensive study on an iron-phosphate removal system A comprehensive study on an iron-phosphate removal system