What is Reverse Osmosis Water Purification?


It is no secret that people have been talking about the wonders of reverse osmosis water purification process for years running. In fact, it has been long considered as the best way of delivering quality water for drinking and cooking purposes in our homes. So, what’s reverse osmosis, and how does this system of water filtration work? This article will therefore attempt to look into the important aspects of reverse osmosis, and why it is so unique and top-of-the-line.

Reverse Osmosis (RO)

The concept of reverse osmosis, is also referred to as hyper-filtration, and has been widely used for both residential and industrial water purification purposes. This process was initially utilized in purification and desalination of sea water, but increased awareness about its numerous advantages has led to its widespread adoption in most households. Most people indeed opine that RO water filters are among the best water purification systems, and as the name suggests, these filters simply involve the reversal of the usual process of osmosis.

As you may well know, osmosis simply refers to the movement of water molecules from a high concentration region to a lower concentration region. So in case of a solution of impure water, osmosis occurs when clean or fresh water crosses over to a concentrated solution through a semi-permeable membrane. Reverse osmosis, however, involves the application of pressure to the water when it’s on one side of the semi-permeable membrane. The external pressure is applied to help separate impurities from water and let it pass over to the other side as purified water.

How Reverse Osmosis Water Filtration Systems Work

A typical reverse osmosis water purification system is normally connected to a water source via a valve. The other major components include a pre-filter that removes chlorine, fluoride, salt plus other sediments and a reverse osmosis membrane that gets rid of chlorine and bacteria. Through the addition of a pure carbon filter, these water filters can effectively eliminate bad odor. The purified water is then collected in a storage tank as the impurities are disposed of via a drain line.

Its Effectiveness


What makes reverse osmosis purifiers better than other at-home water purification methods? Well, water generally contains a lot of impurities and contaminant, therefore having an efficient water filtration method is a must. Having a reverse osmosis water filtration system at home, will thus give you the satisfaction the water you drink and use in other activities like washing clothes and cleaning utensils is not only pure but not also a carrier of disease vectors, given that this system is considered to be the most effective. Additionally, this technology helps remove chlorine, fluorine, sulfates, viruses, metals, salts, bacteria, as well as other common impurities. Remember that using water that is free from impurities is good for health, prolongs the life of household appliances like water heaters and washing machine, and reduces clogging of pipes plus all the other problems characteristic of water that contain dissolved impurities.

Disadvantages

Since reverse osmosis is quite a slow process, useful minerals often get removed during this process. The other problem is that one has to regularly replace these water filters and membrane, say after every2-3 years. Besides, these systems are relatively expensive and are thus not economically viable for small-sized families.

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