by Hazardous Waste and Toxics Reduction Program, Department of Ecology in Olympia, Wash .
Written in English
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CFCs are a class of synthetic chemicals that are odorless, non-toxic, non-flammable and chemically inert. Their stability and apparently harmless properties made CFCs popular as propellants for aerosols and as refrigerants in air conditioning units. Some common CFCs are Dichlorodifluoromethane, 1,1,1,2 Tetrafluroethane and Chlorotrifluoromenthane. Refrigerant Recovery and Recycling: Review and Quiz 3 The Next Generation of (i.e. CFCs) Class II Substance Ozone-depleting chemical with an ozone (i.e. HCFCs) CFCs Chlorofluorocarbons such as CFC (R) HCFCs Hydrochlorofluorocarbons such as HCFC (R) HFCs Hydrofluorocarbons such as HFCa (Ra) HFOs Hydrofluoroolefins File Size: KB. Household refrigerators and freezers made before typically contain chlorofluorocarbon (CFC) refrigerant. Many window air-conditioning units and dehumidifiers contain hydrochlorofluorocarbon (HCFC) refrigerant. Both substances, if released into the environment, can destroy the ozone layer. C. Keri, in Waste Electrical and Electronic Equipment (WEEE) Handbook, Ozone-depleting substances (ODS), blowing agent recovery. Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) were developed in the US in the early 20th century and became widely used as refrigerants and for making plastic foams producing refrigerators and freezers until .
John Willoughby, in Plant Engineer's Reference Book (Second Edition), Chlorofluorocarbons. Chlorofluorocarbons or CFCs used to be used in the manufacture of a range of plastic insulants, including polyurethanes, phenolics, polyisocyanurates and extruded polystyrenes.. CFCs are the main cause of the hole in the ozone layer. The Montreal Protocol called for the . Chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and halons destroy the earth's protective ozone layer, which shields the earth from harmful ultraviolet (UV-B) rays generated from the sun. CFCs and HCFCs also warm the lower atmosphere of the earth, changing global climate. Hydrofluorocarbons (HFCs) also act to warm the planet. Refrigerant Recovery and Recycling: Review and Quiz 5 R – From Miracle to Menace When CFC, or R (also referred to by its brand name, Freon) made its debut in , the industry hailed it as a miracle chemical. It was non- poisonous, easy and cheap to manufacture, and stable. The first in a family of chlorofluorocarbonsFile Size: KB. They use refrigerants that contain ozone-depleting chemicals called chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), found under various trade names that contain the word "Freon." Certain Freon types have been phased out, but newer model dehumidifiers still contain gases that are hazardous to the environment and must be disposed.
Chlorofluorocarbons 1st Group of refrigerants. Are considered the most damaging because of my girls are not destroyed before they reach the stratosphere. As of July 1, it is illegal to vent CFCs. This group was completely phased out at the end of Spent CFCs and HCFCs covered under the special recycling requirements are those refrigerants used as heat transfer material in totally enclosed heat transfer equipment. RECYCLING OF CFC AND HCFC REFRIGERANTS. WAC Generators who reclaim or recycle their spent CFC or HCFC refrigerants, either on-site or off-site, must. Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated paraffin hydrocarbons that contain only carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivative of methane, ethane, and are also commonly known by the DuPont brand name Freon.. The most common representative is dichlorodifluoromethane (R or Freon). WAC Special requirements for the recycling of spent CFC or HCFC refrigerants. (1) Applicability. (Also, see WAC (3).) (a) This section applies to spent chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) refrigerants that are reclaimed or re-cycled. Refrigerants eligible for these special requirements are those.