In this guide
This article explains the treatment objective, the design information that matters and the operating checks that help keep the system practical after installation.
Groundwater may look clear but contain dissolved contaminants
Iron, manganese, hardness, arsenic and dissolved salts may be present even when the source has low turbidity. The treatment train should therefore be based on chemistry, not appearance.
Oxidation and filtration are common for metals
When dissolved iron or manganese must be removed, oxidation conditions and media filtration are often considered. pH and contact time influence performance, and the backwash system must handle the resulting solids.
Membranes or softening depend on the final objective
Hardness control, low-TDS process water or drinking-water polishing may justify softening or RO. Those stages are added because of the measured source and outlet target, not automatically to every bore-well project.
Need a treatment recommendation for your water?
Send the water source, intended use, approximate demand and any available test report. Waterwise Bangladesh can review the requirement and discuss an appropriate treatment approach.