Activated carbon in RO plants
Filtration has been used to remove dirt, rust, suspended particles, and other contaminants from water for thousands of years. This is accomplished by filtering the contaminated input water (influent). The pollutants are trapped in the filter media material when the water passes through it. Several different physical and chemical mechanisms are active in removing contaminants from water, depending on the pollutants and the media. Some of the tools used to operate these systems have evolved significantly throughout time. Over time, we've learned more about the basic physical and chemical mechanisms that occur during filtration. Water treatment specialists have been able to optimize the removal of pollutants from water as a result of these advancements. Filtration systems remove particulate matter and can also be used to trigger chemical processes that result in the removal of several pollutants due to the vast surface area of filter media.
What is Activated Carbon?
In most applications, activated carbon removes impurities from fluids, vapors or gas by adsorption, which is a surface phenomenon that results in the accumulation of molecules within the internal pores of an activated carbon.This happens in pores that are slightly larger than the molecules being adsorbed, which is why it's critical to match the activated carbon media's pore size to the molecules you're seeking to adsorb. Activated carbon comes in a variety of kinds and shapes, as well as diverse origins (vegetable or mineral), typical particle sizes, and so on. The varying sizes of the carbon granules allow the bed of activated carbon to filter the water and remove sludge, muck, lime, and other contaminants in the same way, if not better, than quartz sand filters. The ability of a bed of activated carbon to trap specific types of molecules inside the structures of its microspores is its most important property.An excellent activated carbon has a lot of unique traits, like a lot of internal surface area, dedicated (surface) chemical properties, and good internal pore accessibility. For practical applications, the pore size distribution is critical; the optimal match is determined by the molecules to be trapped, the phase (gas, liquid), and treatment conditions.The proper raw material and activation conditions are combined to give an activated carbon product the desired pore structure.
The idea that activated carbon may be regenerated by simply backwashing, it is a misconception. Backwashing the filter bed merely removes the trapped material and reclassifies it. After a given amount of time, activated carbon can no longer remove contaminants and must be replenished. Thermal activation is the most prevalent method of activated carbon regeneration. Starting with drying, then heating, and lastly residual organic gasification by oxidizing gas, this is done in three key processes (steam or Carbon dioxide). In most cases, replacing the carbon bed is less expensive.
Applications of Activated Carbon
Activated carbon is widely employed in a variety of industries and applications, including water (as well as waste and sewage water) treatment, air treatment, sugar and wine manufacturing, and so on.
The following are some of the most prevalent water treatment applications:
1- To get rid of chlorine
2- To get rid of an unpleasant taste and odor
3- To get rid of contaminants
4- To get rid of turbidity
5- De-colorization of Sugar Melt (White Sugar Manufacturing)
6- De-colorization of Molasses
7- Air Purification
8- Catalyst Carrier
9- Flue gas purification (Dioxin & Mercury Removal)
10- Netsol Water Solutions use all the advanced technologies to provide their customers with best quality water.