What types of water filters are available commercially

What types of water filters are available commercially?

It can be difficult to determine if you really need a water filters treatment system or what type of purification system would be best for you. Although the option of using a water purification, filtration or treatment system depends on each individual case, consider these factors in your product selection process.

Things to consider when selecting a purification solution: How much purified water would you like to use per day for drinking and cooking? Does the selected product perform adequately for your needs? Is the product suitable for your requirement of contaminants in the water? Does the product provide you with a safe, good taste of water at a reasonable cost? Is there a minimum maintenance required? Is the company trusted? Is it a recognized brand? These are some of the questions which bother you while buying a water purifier for your home.

Not all products can be effective for the same group of contaminants. If you are not sure what contaminants are present in the water, in some cities you can get a copy of a water quality report from your local water company. By identifying which contaminants are present, you can choose technology for the best water purifier in India which is designed to address your topwater quality concerns.

Technology for water filtration and purification

Water treatment technologies commercially available:


contaminants are reduced by being trapped in the filter pores (sediment filters) or by being adsorbed or broken down by the filter media contained in the system (activated carbon). Carbon filters use this technology to filter the water.

Ceramic filters

with a very small pore size (about 0.2 microns) are a special case of a sediment filter and can be used in emergencies to significantly reduce biological contaminants in water. They are effective against chemical contaminants or viruses.

Block Activated Carbon

is the least expensive process, easiest to maintain and does not require electricity or high pressure water. It significantly reduces chlorine, a wide variety of organic pollutants as disinfection byproducts, and can be designed to reduce the levels of some inorganic chemicals such as lead and arsenic. Activated carbon is ineffective against many inorganic contaminants such as salts, iron, fluorine, aluminum, calcium, etc.


The water softeners use cation exchange resin which are regenerated with sodium chloride or potassium chloride, used to reduce the hardness of the water. The minerals like calcium and magnesium are replaced by sodium or potassium ions, depending on the type of softening pellet used.

Reverse osmosis systems (RO)

reverse osmosis systems reverse the natural flow of water so that the water passes from a more concentrated solution to a more dilute solution through a semi-permeable membrane. The majority of the RO systems integrate before and after filters along with the semi-preamble membrane.

A Note on Replacement Filters Home water treatment systems need regular maintenance to function effectively. Follow the instructions in the operating manual that comes with the water treatment system to ensure that you are operating the system according to the manufacturer’s instructions. Replace filter cartridges, reverse osmosis membranes, and other items on a regular basis as recommended by the manufacturer.

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