VOC Removal From Groundwater

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Carbonair's STAT Low Profile Air Strippers are certified to meet the requirements of NSF/ANSI 61G - Drinking Water System Components.

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Volatile Organic Chemicals (VOC Removal)

Carbonair has over 25 years of experience of removing volatile organic chemicals (VOCs) from water. Carbonair has two product lines, STAT low profile air strippers and  liquid phase carbon vessels which can be used for VOC removal from groundwater.

For more information about VOC removal water treatment, or products used to treat VOCs in water and air, contact Carbonair directly at 1-800-526-4999. Or if you prefer, please fill out our contact-us form and a Carbonair representative will contact you to answer your questions.

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What are VOCs or Volatile Organic Chemicals?

VOCs or Volatile Organic Chemicals are organic chemicals, with molecules comprised of carbon, hydrogen, oxygen, and nitrogen. VOCs can range from mild to severe toxicity for both humans and aquatic life. VOCs evaporate from a liquid state to a vapor state at a relatively low temperature.

How do you remove VOC contaminates from groundwater

There are two effective ways of removing VOC contamination from water, air stripping and carbon adsorption.


Air Stripping

The first is a process that introduces air into the contaminated water in order to create an interface between the air and water surfaces. In an air stripper, VOCs transfer or diffuse from the water into the air due to the concentration gradient, thereby “stripping” the VOCs from the water. The size of an air stripper is determined by the ease or the difficulty in stripping the VOCs from water. The measure of a volatile organic compound’s property to be removed from water using air stripping is called it’s Henry’s Law Constant (H). The larger the H value, the easier it is to remove that particular compound from the contaminated water.

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Carbon Adsorption

The second procedure of removing VOCs from water is known as Granular Activated Carbon (GAC) Adsorption. In this process, the water containing the VOC contamination is forced to flow through an activated carbon filter, which is a bed of granular activated carbon (GAC).  The surface of the GAC contains many small openings or pores.  As the water flows through the bed of GAC, the VOCs are trapped within the pores in a process called adsorption.

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GACsmallFor more information about this removal procedure, please check out our GAC pageContact us about removing VOC from water and VOC treatment.