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Water is an important element of life. However, due to organic, inorganic and biological reasons, it is getting polluted day-by-day. Drinking polluted water can affect your health and lead to diarrhea, skin rashes, typhoid etc. To keep such problems at bay, one of the most effective solutions is to use an RO water purifier. No doubt, that using an RO water purifier is the best solution, but many of us don’t know the working process. So, in this blog, we discuss in detail the step-by-step process describing how RO water purifier works and how each process helps in removing impurities to deliver pure and healthy drinking water.
Step-by-step Purification Process of RO Water Purifier
An RO water purifier comes in a combination of sediment, carbon filter, RO membrane, UV lamp, UF membrane, and post-carbon filter. Let’s take a closer look at how these filters work.
Pre-Filters
Pre-filter helps in removing larger particles such as sand silt, dirt and other sediments from water. The pre-filter helps in protecting the RO membrane that gets clogged as a result of exposure to sediment and chlorine. The carbon filter helps in removing toxic compounds such as pesticides and is even effective enough in removing bad odour from water.
Reverse Osmosis Membrane
The next filter on our list is the RO membrane. Water is forced through the semi-permeable membrane in order to block the minute impurities. The membrane is a synthetic plastic material that stops sodium, chlorine, and even the larger molecules such as urea, bacteria, and viruses. The reverse osmosis drinking water systems also help in removing lead, arsenic, copper, chromium, selenium, fluoride etc.
UV Lamp
RO water purifier also comes with a UV lamp that helps in disinfecting bacteria from the water by killing all the harmful pathogens present in the water. The high-power UV ray destroys the illness-causing microorganisms by attacking their genetic core, thereby eliminating their ability to reproduce. The ultimate work of a UV lamp is to destroy 99.99% of harmful microorganisms from the water, thereby making it safe for consumption.
Ultrafiltration
The next process of filtration that the RO purifier has is UF. It is a type of hollow fibre membrane through which water is forced to pass leaving the impurities behind and delivering pure and clean water.
Post Filter (Activated Carbon Filter)
Before the water finally gets filled in the storage tank, it passes through the post-carbon filter. The filter helps in removing any remaining contaminants that slip through the membrane and make it completely pure and fit for consumption.
Along with these filters, RO water purifier comes added with TDS controller that helps in retaining all the essential natural minerals in the purified water. Some of the RO water purifiers come with Save Water Technology that employs a computer-controlled process. The technology aid in recovering more than 50% water as purified water resulting in less water wastage. Besides, the RO wastewater can be used for different domestic purposes and even for watering the plant.
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