Understanding Home Filtration Systems: How They Work and What They Do

Learn about how home filtration systems work & what they do - from sediment pre-filters & KDF filters to reverse osmosis & more.

Understanding Home Filtration Systems: How They Work and What They Do

Water is essential for life, but it can also be a source of contamination and health risks. Fortunately, home filtration systems can provide cleaner water throughout your home. But how do these systems work? Let's take a look at the process of water filtration and purification and the different types of filtration used to remove contaminants. Most whole-house water filters clean water using a three-step process.

First, a sediment pre-filter removes the larger particles, then a copper-zinc (KDF) and activated carbon filter treats the water and, finally, the afterfilter further polishes the water. Water that smells bad or tastes bad can be unpleasant to look at, much less to drink. And that may just be scratching the surface of your problem: water. Water is a solvent, meaning it has the ability to dissolve other substances, which is great under certain circumstances, such as when you need to add detergent to a load of clothes to wash clothes. However, this feature can cause problems with drinking water if you think about the long journey that the water takes before reaching the faucet in the house.

Before reaching the vessel, the water is diverted from a natural source and flows through the Earth to a treatment center where it is processed before being distributed to your home. Along its way, water can absorb dirt, chemicals and other contaminants that cause a cloudy appearance, bad taste and an unpleasant smell. The water filtration and purification process takes problem water and converts it into cleaner water, free of odors, flavors, sediments or contaminants. Water filtration works in two ways: physical filtration and chemical filtration. With physical filtration, water is filtered, often through a gauze-like membrane, to remove larger particles.

With chemical filtration, water is treated with patented intelligent technology to remove impurities. Different types of filtration are used to remove different types of contaminants. And while no filtration measure is guaranteed to remove all of the particles or impurities that cause problems, many of Culligan's water filtration and purification systems use multiple filtration measures to provide cleaner water. Reverse osmosis filter systems are installed in the kitchen sink and contain a pre-filter and a subsequent filter, a membrane composite and a water storage tank. Before we move directly to how a water filtration system works, let's briefly answer the following question: What are some drawbacks of reverse osmosis systems? One drawback is that they require more maintenance than other types of filters. Another drawback is that reverse osmosis systems produce a large amount of wastewater; some waste four or five liters of water for every liter of clean water they produce. The filtration systems under the sink are installed under the sink and send the water through a pipe to the specially installed faucet on the filter.

Water supplied through reverse osmosis water filtration is clean of harmful organic compounds, chlorine, bacteria, chemicals and contaminants. If only 8 percent of the American population has water systems that don't meet standards, we're talking about 2 to 3 million people. Sugarcane fields are still widely used in wastewater purification to this day, including in systems for cleaning road runoff. For the latest in home water filtration and softening, contact Bill Howe's water treatment experts. While water quality will vary depending on where you live and where the water is supplied from, your local Culligan employee can help you choose a customized water filtration solution to address the specific taste, smell, look, feel and quality of the water that comes out of your faucets. Call him to set up an appointment and find the solution that will leave you with cleaner, more refreshing water to drink.

Lance Vassallo
Lance Vassallo

Subtly charming bacon junkie. Incurable food fan. Devoted zombie guru. Hipster-friendly social media practitioner. Devoted beer enthusiast. Incurable web guru.