Activated carbon is a proven, simple solution to the control of the emissions of volatile organic compounds to the atmosphere. With the ability to remove a wide range of organic compounds, activated carbon is widely used in cost-effective filtration systems. Our EcoSorb™ range of activated carbon can effectively eliminate BTEX, aliphatic, aromatic, halogenated and ketone pollutants. Jacobi offers granular, extruded and powdered activated carbon versions, for use dependent on the individual process conditions. Our experts will be able to advise and help you find the best solution for your needs.
What are VOCs?
The term VOC is a generic acronym for any organic compound that exhibits a vapour pressure, causing it to exist in gaseous form mixed with other gases. Common examples of VOC include:
Typical solvents are aliphatic hydrocarbons, Ethyl acetate, glycol ethers, and acetone.
Methylene Chloride (or Dichloromethane) can be found in adhesives, degreasing processes and aerosol spray paints. In the human body, methylene chloride is metabolised to carbon monoxide. In the United States, methylene chloride is listed as exempt from VOC status whereas in Europe ECHA has classified methylene chloride as a Substance of Very High Concern (SVHC) and has therefore restricted its usage under European law. The properties of concern are “Suspected to be Carcinogenic” and it is currently “Under assessment as Endocrine Disrupting”.
Tetrachloroethene is a volatile organic compound that has been linked to causing cancer in animals. It is also suspected to cause many of the breathing related symptoms of exposure to VOCs.
Tetrachloroethene is used mostly in dry cleaning. While dry cleaners recapture Tetrachloroethene in the dry cleaning process to reuse it, some environmental release is unavoidable.
MTBE was banned in certain states in the US in around 2004 in order to limit further contamination of drinking water aquifers (groundwater) primarily from leaking underground gasoline storage tanks where MTBE was used as an octane booster and oxygenated-additive, as a replacement from tetraethyl lead (anti-knock agent).
Many building materials such as paints, adhesives, wall boards, and ceiling tiles slowly emit formaldehyde, which irritates the mucous membranes and can make a person irritated and uncomfortable. Formaldehyde emissions from wood are in the range of 0.02–0.04 ppm. Relative humidity within an indoor environment can also affect the emissions of formaldehyde. High relative humidity and high temperatures allow more vaporisation of formaldehyde from wood-materials. Cigarette smoke is also a major contributor to formaldehyde levels, particularly in domestic settings, and continued use as an embalming agent introduces this corrosive chemical into hospitals, mortuaries and funeral homes.
VOC REMOVAL: PRODUCTS
Activated carbons designed for a diverse range of air and gas purification duties. Featuring granular, extruded pellet and powdered types; these products exhibit the high microporosity necessary to adsorb efficiently in the gaseous phase. Speciality types, for example acid washed versions, are available for demanding applications for safety and purity.
VOC REMOVAL: SOLUTIONS
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