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.
Scaling is precipitation of sparingly soluble salts
As water is concentrated inside an RO system, some salts can exceed their solubility and deposit on membrane surfaces. Scaling risk is strongly linked to feed chemistry, pH, recovery and antiscalant or softening strategy.
Fouling includes other deposited material
Suspended solids, colloids, organic matter, metals and biological growth can accumulate even when mineral scaling is controlled. Differential pressure and flow changes may occur, but the exact pattern depends on the location and foulant.
Diagnosis improves cleaning and prevention
Operating trends, feed-water testing, cartridge condition and sometimes membrane inspection help distinguish causes. The corrective action should target pretreatment, cleaning and operating parameters rather than treating every decline as “membrane damage.”
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.
