5 records found
1
Hand-pump subsurface arsenic removal: The effect of groundwater conditions and intermittent operation
Subsurface iron removal and hand-pump adsorptive arsenic removal: Influence of pre-iron removal and contact time on lengthening lifetime of household filters
Subsurface iron removal and hand-pump adsorptive arsenic removal in rural Bangladesh
The efficiency of subsurface arsenic removal under low phosphate conditions
Subsurface iron removal in sand colums