chlorofluorocarbons


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chlorofluorocarbons


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1. (CFCs) Compounds of chlorine and fluorine once much used as aerosol propellants and refrigerants, and in foam packaging; now known to deplete the ozone layer and act as greenhouse gases.
2. Compounds formed when some or all of the hydrogen atoms in a hydrocarbon have been replaced with chlorine and fluorine.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
The proposal could allow the EPA to pursue investigations where distributors or other sellers of chlorofluorocarbons attempt to sell virgin chlorofluorocarbons in the domestic market knowing they were imported into the U.S.
As a signatory, Bangladesh is committed to phasing out hydro chlorofluorocarbons (HCFCs) and other ozone depleting substances.
Air conditioning system is considered to be a major contributor to global warming, owing to its emission of hazardous gases into the environment such as chlorofluorocarbons (CFC) and hydro-chlorofluorocarbons (HCFC).
On the 1st of January, 2010, Bahrain announced a ban on all Chlorofluorocarbons (CFCs) which were replaced by other suitable alternative items.
The protocol was adopted in the late 1980s in response to studies showing CFC-11 and similar gases, collectively known as chlorofluorocarbons, depleted atmospheric ozone.
The reasons why such a fatal extinction awaits our way are namely; Deforestation, use of chlorofluorocarbons, excessive release of carbon dioxide, wild fires, industrialization, combustion of methane, volcanic eruptions and depletion of the ozone layer.
Implemented in 1989, it banned ozone-depleting chemicals called chlorofluorocarbons worldwide.
The most prominent of these programs were chlorofluorocarbons (CFC), carbon tetrachloride (CTC), Halons, methyl bromide and phasing out of CFCs from Metered Dose Inhalers (MDIs).
Iqbal P Sheikh, UNIDO consultant gave a detailed presentation on contribution of Pakistan in meeting the international targets of Montreal Protocol and phasing out chlorofluorocarbons and the strategy made to phase out the hydro chlorofluorocarbons carbons (HCFC).
ISLAMABAD -- Environmental experts on Wednesday termed rapid increase of greenhouse gases (Chlorofluorocarbons) as a major cause of rising temperature in the federal capital.
Summary: Chlorofluorocarbons are being used as coolants since the last more than fifty years, and their increasing concentration in atmosphere causes the ozone layer depletion, therefore to develop a sensor for detection of chlorofluorocarbons is environmentally significant.