What is filtered water?


Water tank filters are very popular in this form of purification, but you may also get refrigerator water filters, faucet-installed filters, or under-sink filters.

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Everyone knows that water containing impurities or chemical substances can cause diarrhea, cholera, dysentery, typhoid and other diseases after drinking. For contaminated water, we must filter it before drinking it. So what is filtered water?

Simply put, filtered water uses purification methods to remove pollutants in drinking water, including microorganisms, chemicals and pollutants, but does not remove these minerals that are beneficial to health.

There are different ways to purify water. The purpose of these is to eliminate other pollutants in the water. There are three main filtering methods used in families. Today I will show you which three are the main ones.

1. Carbon Filter
This is the cheapest way to purify water. If you have used a filtered water tank or take water from a refrigerator water dispenser, you are likely to experience the effect of a carbon filter.

The simplest carbon filter extracts chlorine, enhances taste and improves smell. More advanced filters can eliminate additional contaminants such as lead. They work by using activated carbon to trap pollutants.

Water tank filters are very popular in this form of purification, but you may also get refrigerator water filters, faucet-installed filters, or under-sink filters.

2. Reverse Osmosis Filtration System
The reverse osmosis filtration system is the most effective way to filter water.

The working principle of the reverse osmosis system is to squeeze out water through its semi-permeable membrane filter. Reverse osmosis process extracts particles, toxins and chemicals in the process. However, filtration usually removes certain essential and stable minerals, such as calcium and magnesium, just like distilled water.

3. Ion exchange filtration
Ion exchange filtration is more effective for hard water. Hard water is water with high mineral content. Ion exchange filters use a chemical process to reduce the calcium and magnesium content, usually replacing them with sodium.

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