A water filter cleans water by removing impurities through a physical barrier, either a solid chemical filtering process a physical process called adsorption, or a biological method. All methods of water filtering use water as a medium to collect and trap various particles and compounds. Although there are numerous water filters available on the market, from simple faucet mount filters to under the counter water filters, home water filtration is more effective than others. The best water filter system will remove chlorine, lead, cysts, THMs, VOCs, benzene, cyst exposure, fecal coliform bacteria and other waterborne pathogens. In order to be an effective water filter system, it must be able to remove the widest range of contaminants possible.
The most popular water filters work by forcing water through a physical barrier. This barrier is usually made from a semi-permeable film of plastic called a block. Water is forced through the barrier and is collected into a container. As an important side note, this article is NOT about the reverse osmosis water filter system.
Although the reverse osmosis water filter system is often shown as the solution for water filtration, it is not the most effective method. Because it removes many beneficial naturally occurring minerals in water, it reduces the minerals your body needs. And, because the system is only effective when water temperatures are low, it is inefficient if water temperatures are high. Therefore, the main article discusses water filters that work at higher temperatures.
There are many types of water filters, from whole-house water filters to drinking water using ultra violet light to carbon/ceramic filters. But the main article focuses on single stage filters. These are the most effective filters. They also make a great drinking water filter.
Single stage filters come in several types. The most common are activated carbon and ion exchange systems. Both are used in drinking water purification. However, the activated carbon particle filter system is more effective than the ion exchange filter system. That’s because it utilizes a two-step process: first, the activated carbon is used to pull out small organic compounds and chemicals that can be found in tap water.
Then, the activated carbon particles are passed through a user where they are infused with UV light. This UV light kills any remaining microorganism that might be present. This kills harmful bacteria, viruses, cysts, and other contaminants. This is why the activated carbon particle water filter system is more effective than the ion-exchange water filter system.
Other types of water filters work by using sub micron filtration. What this method does is reduce the water’s ability to absorb minerals and essential nutrients. We all need these nutrients to stay healthy. Sub-micron filtration takes out harmful substances while keeping the essential minerals that we need for optimal health.
One of the problems with mineral-rich water is its absorption rate. If a water filter system has a sub micron filtration method, iron and calcium ions become trapped within the porous surface of the filter. These ions are exchanged with sodium ions once water enters the ion exchange filter. This prevents the growth of dangerous chemicals such as herbicides and pesticides. It also ensures that our bodies receive the minerals we need for optimal health.
Other methods used in water filters include the carbon block and ion exchange. Carbon block uses carbon granules that have been electrically charged. As water passes through the carbon, the sodium ions exchange places with the calcium ions in the water filter media. The result is purified water that contains low levels of both calcium ions and magnesium ions.
In comparison to whole house filtration, ion exchange has been found to be more effective. It is also cheaper to implement in the home. It is mostly installed in water treatment plants.
Some water treatment facilities use mechanical filtration. Mechanical filtration involves using a series of filters to trap particles in water. This method is effective but it can only remove large particulates. For the purpose of eliminating toxins, it is more effective to use the carbon-based water filters. They have been proven to be more effective in eliminating contaminants and possessing less threatening health effects.
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