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Difference Between RO and Other Types of Water Purifiers You Should Know

Apr 19, 2014

Clean water is highly essential. It keeps us hydrated throughout the day and helps us maintain our health. There are numerous water purifiers present in the market. It’s important to be aware of the different purification technologies before you make a purchase.

RO purifier

The most widely used water purification method is Reverse Osmosis (RO).It employs the membrane technology to remove impurities, germs and dissolved salts from water. Only water can pass through the very fine pores of the semipermeable membrane. Thus, it leaves behind all dissolved salts, harmful chemicals and microbes.

RO technology is recommended in the areas where the quality of water is hard and high in Total Dissolved Solids (TDS).The membrane requires regular maintenance. A drawback of RO purifier is that it may remove some essential minerals and alter the taste of water.

UF purifier

The Ultra-filtration (UF) purification technology uses a membrane that’s similar to the RO membranes but has bigger pores. UF membrane helps in removing all colloidal particles, which include pathogenic organisms and turbidity.However, it fails to remove the dissolved salts and solids.

UF purifier doesn’t require electricity and it removes all kinds of germs and impurities from the water. It’s low in maintenance and long-lasting as well. These purifiers can be manually cleaned by flushing all the blocked dirt and germs.

UV purifier

This method of water purification employs ultra-violet light.It helps terminate the germs, microbes and bacteria present in impure water. UV purification is known to be an effective and simple process. Around 99.99% of the harmful organisms are eliminated.

Inside the purifier, a tiny mercury lamp produces shortwave UV radiations that irradiate the water. Later, it penetrates the cells of viruses and bacteria. The harmful organisms fail to multiply and are eventually eliminated.For maximum results, UV water purification works well with RO processor or activated carbon filters.

Gravity purifier

This water purifier works on gravity and doesn’t need electricity to function. To purify the inlet water, it mainly employs gravity or the pressure of water. A gravity water purifier uses sediment filter and helps in removing suspended matter, contaminants, silt and sand. Additionally, activated carbons help eliminate the chlorine, organic compounds, pesticides and odours from the water.

The gravity purifier is an efficient technology that’ll help you eliminate the impurities in water and make it safe for consumption. But, it’s important to note that it’s an ideal purifier only when the inlet water has a low TDS count. In addition, they can’t filter heavy metals like mercury, arsenic and nitrates.

Multi-stage or Universal Water Purifier

The combination of different water purification technologies is used to produce healthy, clean, and purified drinking water. Multi-stage or universal water purifiers combine the features of 2-3 purification processes.

– RO + UV purifiers use both reverse osmosis and ultra-violet technology.They help remove harmful micro-organisms, heavy metals, and other dissolved impurities present in water.

– RO + UV + UF purifiers employ the UF filters to make sure the water is pure. These purifiers are highly recommended as they help reduce the TDS level of the inlet water making it safe for daily consumption.

Multi-stage purifiers enhance the taste of water by adding essential minerals. However, they depend on electricity to complete all the purification stages. The maintenance is high and regular service is vital.

Drinking clean and purified water has numerous benefits. It’ll help you stay healthy and fend off diseases as well. Invest in a high-quality and dependable water purifier at home and work. It’s a brilliant addition.

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