chlorofluorocarbon


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chlorofluorocarbon

Chem any of various gaseous compounds of carbon, hydrogen, chlorine, and fluorine, used as refrigerants, aerosol propellants, solvents, and in foam: some cause a breakdown of ozone in the earth's atmosphere
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

chlorofluorocarbon

[¦klȯr·ə¦flu̇r·ə‚kär·bən]
(organic chemistry)
A compound consisting of chlorine, fluorine, and carbon; has the potential to destroy ozone in the stratosphere. Abbreviated CFC. Also known as fluorochlorocarbon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
They said Chlorofluorocarbon Gas, which is used mostly in air conditioning and refrigeration, heating and other equipment operating under pressure gas systems, is a chemical toxic gas and is harmful to health as it can cause skin cancer and some respiratory diseases and is harmful to the environment and the ozone layer.
Some of them are afforestation, selective deforestation, reduced release of carbon dioxide and other greenhouse gases by cutting down our use of chlorofluorocarbons, using catalytic converters in our cars and minimizing the combustion of fossil fuels that is actually shifting to renewable energy resources from non-renewable ones which is important to balance the ecosystem.
Another SDPI expert Kashif Salik said Chlorofluorocarbons (CFCs) are greenhouse gases.
Group I (chlorofluorocarbons 11, 12, 113, 114 and 115) for essential medical use: 155,460 kg weighted according to the ozone-depleting potential
These contain gases such as Chlorofluorocarbons (CFCs) and HCFCs, used for the coolant and insulation.
That's thanks to a law in 1987 banning chlorofluorocarbons (CFCs), or ozone-chewing chemicals, from aerosol cans and refrigerators.
(It debuted in Toyota's fuel cell hybrid vehicle FCHV.) "But wait," you say, "I thought we took care of the environmental problems of air conditioning refrigerants a long time ago when we replaced ozone-depleting chlorofluorocarbons (CHC-12) with hydrofluorocarbons (HFC-134a)." Yes and no.
Although chlorofluorocarbons (CFCs) are no longer used by the insulation industry, closed-cell materials are typically blown into place with hydrochlorofluorocarbons (HCFCs), which are also ozone destroying.
The recovery and destruction of chlorofluorocarbons (CFC) from car air conditioner units have become compulsory in Japan from Tuesday under a new CFC recovery and destruction law.
When it became known that chlorofluorocarbons and hydrochlorofluorocarbons in refrigerants were contributing to depletion of the earth's protective ozone layer, NIST began a program (funded by the Department of Energy's Office of Basic Energy Sciences and Office of Building Technologies) to measure the properties of their replacements.
The heater uses carbon dioxide as a refrigerant instead of chlorofluorocarbons, which are commonly used in such devises.