Gravity-based water purifiers have gained popularity for their simplicity, cost-effectiveness, and efficiency in removing impurities from water.
However, one common question that arises is whether gravity-based purifiers effectively remove chlorine from water.
Chlorine is a common disinfectant, used by municipal corporations and other water-supplying agencies, to treat drinking water. However, its presence can affect the taste and odor of water.
In this comprehensive guide, we will explore the mechanism of gravity-based purifiers, the role of chlorine in water treatment, and whether these purifiers are capable of removing chlorine.
Understanding Gravity-Based Purifiers
Gravity-based water purifiers operate on the principle of gravity filtration, where water flows through a filter under the influence of gravity.
These purifiers typically consist of two chambers – an upper chamber for storing untreated water and a lower chamber for collecting purified water. The filters, usually a mesh filter, UF membrane, and activated carbon, are between these chambers.
The filtration process involves the gravitational force pulling water through the filter, trapping impurities and contaminants along the way.
Gravity-based water purifiers effectively remove various waterborne pathogens, sediments, and suspended particles, making them a popular choice for households and outdoor activities.
Chlorine in Water Treatment
Chlorine is widely used in water treatment plants to disinfect water and eliminate harmful microorganisms, ensuring the safety of drinking water.
While chlorine serves a crucial role in preventing waterborne diseases, its presence can result in an unpleasant taste and odor.
The Challenge of Chlorine Removal
Gravity-based purifiers, depending on their design and filter composition, may or may not effectively remove chlorine.
UF and mesh filters are primarily designed to capture larger particles and pathogens, offering limited capacity for chemical filtration.
On the other hand, activated carbon filters, commonly used in gravity-based purifiers, are known for their ability to adsorb and remove certain chemical impurities, including chlorine.
Activated Carbon Filters and Chlorine Removal
Activated carbon is a porous material with a large surface area that attracts and binds to impurities.
One gram of activated carbon can have a surface area of up to 3000 m2.
When water passes through an activated carbon filter, chlorine molecules adhere to the carbon surface, effectively removing them from the water. This chemical reaction, known as adsorption, plays a crucial role in enhancing the taste and odor of water.
It’s important to note that the effectiveness of activated carbon in removing chlorine depends on factors such as contact time and the concentration of chlorine in the water.
In general, gravity-based purifiers with activated carbon filters can significantly reduce chlorine levels, making the water more pleasant.
Click to read: Best Non-Electric Water Purifiers for Chlorine Removal
Conclusion
Gravity-based water purifiers offer a convenient and efficient means of obtaining clean and safe drinking water.
While mesh and UF filters address suspended particles and pathogens, activated carbon filters play a crucial role in removing chlorine and improving the overall quality of water.
Choose a gravity-based purifier with an activated carbon filter for effective chlorine removal, especially if taste and odor are significant concerns.
