Water filter systems remove minerals and all kinds of chemicals and other harmful contaminants from water. There are many types of filtration methods capable of providing potable water on an industrial scale, but in this article, we will concentrate on the ones specially fabricated for home use.
To be more precise, we will talk about the most common types of water filters for home use and their costs. We will also discuss some important facts about water sources and contaminants. In short, these subtopics will be covered:
Nowadays, we have two types of water sources:
City water, or tap water, goes through thorough treatment before it’s distributed:
Even with all this in place you might still need a water filter system at home. And houses in rural areas definitely need their own filtration. You can Check Waterdrop XFW refrigerator water filter replacement. Well water often contains dangerous substances that might be natural or human-made.
Reverse osmosis uses a semipermeable membrane responsible for separating contaminants from clean water. The process is able to produce drinking water that is 99% pure.
One downside is that reverse osmosis water filtration is relatively slow.
The most important advantages are that reverse osmosis is effective at removing a broad range of contaminants from water. And the RO membrane can last for several years.
Water filter pitchers are the most popular type of point-of-use water filters and make use of different types of filtering media. Most are based on activated carbon block (also known as ACB) filtration. On the one hand, the carbon works via absorption – think size exclusion. On the other hand, the carbon is also positively charged and thus attracts negatively charged impurities like chlorine. This last feature is especially important for improving the taste and odor of water.
Is ABC filtration effective overall?
Yes, it effectively removes many different contaminant groups such as volatile organic compounds, lead, and microscopic cyst.
Standard whole house water filters use either activated carbon block filtration or granular activated carbon filtration. The main difference: Granular carbon is loose.
It can also be used as a pre-filter stage before the carbon block improving, even more, the efficiency of the filter process.
We like granular carbon filtration because it’s inexpensive.
UV light kills 99.99% microorganisms that are dangerous to human health. Examples are Giardia, E. coli, and Cryptosporidium. UV disinfection is key to prevent waterborne diseases.
Also, operational cost of UV disinfection is low and chemical-free.
Sediment filters are amongst the most commonly used filter types out there. That’s probably because they are low-cost.
Their purpose is to remove sediments down to a size of 1 micron – and sometimes even smaller. And they can do so over and over again! Normally, sediment filters are made with polypropylene or pleated polyester that is washable.
Furthermore, sediment filters are often combined with activated carbon filtration.
Now let’s discuss the cost of a water filtration system depending on its type:
In summary, there are different types of water filter systems to choose from. Each has its own pros and cons. Some are as cheap as $20, while others require a much higher investment, especially when you are looking for a filter system for your entire home.
Regardless of which type you prefer, choose a filter model suited for your goals and water conditions. Some people only care about better taste. Others want to make sure their drinking water is completely disinfected. And you might be trying to protect your home appliances from harm.
The best advice we can give you is that the more you know about these systems, the more likely you will be able to tell which suits you best.
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