Insight Into How A Reverse osmosis system Works

A reverse osmosis system is more essential in today’s modern home now more than ever. Most municipal public water supply systems were first put in place more than fifty years ago and are now reaching the end of their lifespan. Though several major cities have made an effort to upgrade these water supply systems and networks, public piping is still susceptible to their own problems. Natural disasters have broken many water pipe networks in several towns and cities across the world. Disasters such as freak weather storms, earthquakes and tsunamis among others can leave the public systems open to contaminating materials and debris. When these contaminants enter the public water system, they will eventually make their way to you home unless they are somehow filtered out.

As a home owner, we can not do much about broken public piping systems due to natural disasters. We can however do something about the water quality in our own homes. A reverse osmosis system allows you to do just that. By filtering incoming municipal water before allowing it to flow through your household water piping network, you can ensure you receive safe water. But what do you need safety from? The hazards that can contaminate a public water supply can take two forms – either inorganic or organic compounds. Organic compounds will typically have base carbons in their molecules. Hydrocarbons such as petroleum and oils, heavy metals, nitrates, protozoan bacteria and viruses (such as Giardia, hepatitis, cholera, Cryptosporidium and Schistosomiasis), certain forms of insecticides, fertilizers and phosphates are the most common types of hazards which can exist in your water supply. The reverse osmosis system is tasked with removing the mentioned pollutants and more. A semi permeable membrane that has pores of a certain diameter is usually used in these systems. Filtrates have molecules with diameters larger than water molecules and are unable to pass through the membrane.

The membrane pore size used in a reverse osmosis system can vary by manufacturer and technology used. Some technologies are inherently limited in pore size and would therefore only be suitable for certain applications. For example, the relatively larger pore size of a reverse osmosis system based on a carbon membrane is limited in what can and can not be filtered. Reverse osmosis filtration systems using synthetic membrane have much smaller pore sizes that can reach as low as 0.00015 microns in diameter. Essentially this means that depending on the technology, only specific contaminants can be filtered. Carbon based purification systems will not work well against pollutants whose molecules are in the one thousandth range in diameter. Reverse osmosis purification systems have no such limitation and are effective against a broad spectrum of contaminants.
The step towards purchasing and installing a reverse osmosis system should always begin with knowing what you are up against. Starting by eliminating your home as the cause of the contaminated water in your house by having your plumbing thoroughly checked.

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