RO System - Reverse Osmosis
RO full form is Reverse Osmosis. In RO water purifiers, it passes water through the pump to increase water pressure then pass that pressured water through RO membrane(semi permeable). During this process dissolved solids and TDS present in water are eliminated. RO water purifier converts hard water to soft water. The disadvantage of RO water purifier is it produces a lot of waste water.
Reverse Osmosis is a water purification technology. The most common use of RO is to reduce the water hardness and eliminate contaminants like Fluoride, Arsenic, and Lead.
MF is a full form of Micro filtration purification technology. In MF purification the water is passed through a special pore-sized membrane to separate microorganisms. Both reverse osmosis and nanofiltration are fundamentally different since the flow goes against the concentration gradient.
In a recent research found that if MF filtration is used as pre-filtration, before RO purification, the purification results are much effective. Kent released such MF + RO purifiers in the market as well.
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UF Technology: Ultrafiltration
UF full form is Ultra filtration. UF water purifier contains hollow fibre threaded membrane. UF removes dispersed material, suspended solids, and other large molecular weight materials from water which are harmful to human health. UF water purifiers are works without electricity.
A chemical-free, online purification process which is non-electric, providing consistent crystal clear water, purified to perfection at no electric costs. Blue Mount's superior UF (Ultrafiltration) technology allows online purification at high flow rate. It comes equipped with a 0.01 micron pore diameter UF membrane which removes harmful microorganisms such as bacteria, viruses and cysts while allowing essential minerals to pass.
Ultrafiltration can be used for the removal of particulates and macromolecules from raw water to produce potable water. It has been used to either replace existing secondary (coagulation, flocculation, sedimentation) and tertiary filtration (sand filtration and chlorination) systems employed in water treatment plants or as standalone systems in isolated regions with growing populations.[1] When treating water with high suspended solids, UF is often integrated into the process, utilising primary (screening, flotation, and filtration) and some secondary treatments as pre-treatment stages. UF processes are currently preferred over traditional treatment methods for the following reasons:
UF processes are currently limited by the high cost incurred due to membrane fouling and replacement. Additional pre-treatment of feed water is required to prevent excessive damage to the membrane units.
In many cases UF is used for pre-filtration in reverse osmosis (RO) plants to protect the RO membranes.
UV Technology: Ultraviolet
UV water purifier uses UV radiations to kill contaminants, microorganisms. Treating water passes through the UV radiation source tube
and exposes water to UV radiation. UV water purifier is advisable to use with soft water which has contaminants.
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