What are carbon filters and their role?

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carbon filters

The industrial treatment of water for both household and industrial use experiences a series of filtration processes. For your water treatment system, there are various ways of water filtration used one such is carbon filtering.

What are carbon filters?

Carbon is commonly used as a source in water filtration processes. Nearly every kind of water filter technique–whether it is a backpacking water filter, refrigerator filter, shower filter, pitcher filter, reverse osmosis water filtration system, or whole-house filter–utilizes carbon filtration in some way.

Carbon Filters for water filtration are made by grinding up a carbon origin.

This carbon origin could be bituminous coal, peat, and coconut shells.

From the above-mentioned carbon sources, coconut shells are the most commonly used and are highly renewable.

To make the filter, the material is heated in the absence of oxygen to 1000 degrees to bake off contaminants. The material is then subjected to 1600-degree steam to “start” the carbon. The steam leaves carbon granules filled with cracks and pores, promoting them to store large portions of chemicals and contaminants.

What role is played by carbon filters in water filtration?

Carbon filters terminate contaminants through adsorption.  Adsorption means that pollutants are attracted to the surface of the activated carbon and held to it, much identical way a magnet attracts and holds iron filings.

Carbon filters also act as a catalyst to transform the chemical composition of some contaminants. Activated carbon is perfect for removing chlorine, organic chemicals such as pesticides, THMs like chloroform, and many VOCs that are fragments of gasoline, solvents, and industrial cleaners.

Also, it can be utilized to remove other man-made chemicals from water. Filters containing activated carbon are sufficiently effective for abolishing traces of heavy metals from water.

Again, thickly packed carbon block filters can remove about 0.5-micron particles which are effective but can’t remove salt, minerals, or dissolved inorganic mixtures.

However, the removal of salt, minerals, or dissolved inorganic mixtures needs a water filter system based on reverse osmosis or a distiller.

How Often Should Carbon Water Filters Be Changed?

For carbon filters utilized in reverse osmosis drinking water systems, both the carbon filter and the polishing filter (granular activated carbon filter) should be substituted every 6-12 months. Ultimately, the lifespan of a carbon filter can differ based on how dirty or polluted the water is. Carbon quality, humidity, and usage can also be the factors in how long a carbon filter can last.

Conclusion

The water treatment system is the most secure way of obtaining good water that will be free of particles or microbial contamination.

Carbon filters are used in water treatment which terminates impurities and contaminants in water. A carbon filter allows to pull and trap chemicals and impureness in water.

Granular activated carbon (GAC) or alternative powdered block carbon are employed for domestic water treatment. 

Most of the carbon filters operated in water filtration use secondary materials to support and prevent the growth of bacteria inside the filter.

Whatever your preference of the water treatment system maybe it is advisable and ideal to source them from a trusted and reliable plant. Doing this will ensure you of healthy treated water.

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