How to Remove Vocs from Water

What Are VOCs?

Volatile Organic Chemicals (VOCs) are composites that contain carbon which dissolve easily from water into air in environments with normal air temperatures. This explains why the distinguished smell of gas and other solvents are detectable without difficulty. VOCs are found in various applications within industrial, commercial, and municipal industries which include solvents, pesticides, inks, paints, gasoline, oils, etc. Those are frequently exposed to VOCs through consuming food and water, through skin contact or absorbing air.

How do VOCs get into drinking water?

The vast majority of VOCs exist due to human activities throughout specific environments. When VOCs are poured or inefficiently discarded, segments will dissolve, but will ultimately leak into the ground. VOCs reach groundwater levels by melting and being carried through the soil due to water, rain and snow. VOCs simultaneously reach drinking water sources by migrating underground to surrounding wells. Several environmental organizations estimates that VOCs are found in about one-fifth of the United States water sources.

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Harmful Effects of VOCs in Drinking Water

Although most VOCs are not responsible for most health effects, some have been found to be highly dangerous to human health. Some VOCs have toxic effects due to a wide variety of factors, including the level and length of exposure. General symptoms related to the exposure of VOCs include allergies such as dizziness, skin irritation, vomiting, throat, eye, and nose irritation, etc. Prolonged exposure can induce long-lasting harm in the form of serious illnesses such as cancer, loss of bodily functions, damage to the kidney, liver and central nervous system, etc.

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Treatment of VOCs

There are a number of effective treatment methods to remove VOCs from water. The best option for the removal of volatile organic chemicals from water is activated carbon filtration. The potential of the adsorption success rate varies with each kind of VOC. The carbon filtration manufacturers can propel estimates via computers on several of these chemicals and provide calculations on the amount of VOC that can be eliminated before the carbon will need substituting. The process of Aeration is also a viable alternative to use alone or simultaneously with activated carbon filtration.

Reverse osmosis is one of the most dependable water purification systems to use for VOCs removal. RO systems are capable of eliminating between 70% to 80% of the VOCs in drinking water. However, the most productive treatment method is carbon filtration, which attacks the chemical compounds in the water with greater effectiveness. The penetration of the carbon filtration varies with carbon manufacturers being able to make computer projections on a great deal of these chemicals and provide estimates on the amount of VOCs that are capable of being eliminated before the carbon requires replacement. Other effective treatment methods include electrodialysis, ultrafiltration systems, and aeration, which all may be used alone or along with activated carbon to remove volatile organic chemicals.
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Water treatment methods of VOCs are are growing in use and have proven to provide potential advantages over more processes used in the past such as a reduced operational and capital costs and a lower environmental impact.
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