Anagram & Information om | Engelska ordet HCFCS

Exempel på hur man kan använda HCFCS i en mening

• The main causes of ozone depletion and the ozone hole are manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam-blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).
• Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated hydrocarbons that contain carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivatives of methane, ethane, and propane.
• In order to aid the recovery of the stratospheric ozone layer, HFCs were adopted to replace the more potent chlorofluorocarbons (CFCs), which were phased out from use by the Montreal Protocol, and hydrochlorofluorocarbons (HCFCs) which are presently being phased out.
• Since 1 January 2015, it has been illegal to use any HCFCs to service refrigeration and air-conditioning equipment; broken equipment that used HCFC refrigerants must be replaced with equipment that does not use them.
• In accordance with terms and agreement reached in the Montreal Protocol (The Montreal Protocol on Substances That Deplete the Ozone Layer), the United States Environmental Protection Agency mandated that production or import of R-22 along with other hydrochlorofluorocarbons (HCFCs) be phased out in the United States.
• Depending on the refrigerants used, these installations and their subsequent leaks can lead to ozone depletion (chlorinated refrigerants like CFCs and HCFCs) and/or climate change, by exerting an additional greenhouse effect (fluorinated refrigerants: CFCs, HCFCs and HFCs).
• HCFCs in turn are being phased out under the Montreal Protocol and replaced by hydrofluorocarbons (HFCs), which do not contain chlorine atoms.
• Two alternative types of refrigerant, hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs), also lost favor when they were identified as greenhouse gases (additionally, HCFCs were found to be more damaging to the ozone layer than originally thought).
• This is a new generation eco-friendly foam blowing agent that is free of Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), and Hydrofluorocarbons (HFCs) based on naturally occurring methyl methanoate.
• Cooling technologies: EIA campaigned to spread awareness of energy efficient climate-friendly alternatives after the phase-out of hydrochlorofluorocarbons (HCFCs) in developing countries.
• In the past, this risk was mitigated by turning hydrocarbons into CFCs, HCFCs, and HFCs, but with the increasing avoidance of such substances, the problem of flammability must be addressed.
• EPS typically uses pentane as a blowing agent, avoiding the high global warming potential of CFCs, HCFCs and HFCs, as well as the ozone depletion potential of CFC and HCFCs.
• As non-ozone-depleting chemicals, they were developed originally as a replacement for CFCs, HFCs, HCFCs, and PFCs.
• Due to R22's ozone depletion potential (ODP) and high global warming potential (GWP), its use is being phased out in developed countries, and since 1 January 2015 it has been illegal in Europe to use HCFCs to service air-conditioning equipment—broken equipment that used HCFCs must instead be replaced with equipment that does not use it.
• It was introduced to replace the chlorofluorocarbons (CFCs) that were initially undergoing a phase-out per the Montreal Protocol, but HCFCs still have a significant ozone-depletion ability.
• HFCs were developed in the 1990s to substitute for substances such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs).
• Fluorine continued to play a role in refrigeration though: hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs) were developed as replacement refrigerants.
• In 2007, on the 20th Anniversary of the Montreal Protocol, the Parties agreed to accelerate the phase-out of hydrochlorofluorocarbons (HCFCs) – chemicals which are ozone-depleting substances (ODSs) as well as potent greenhouse gases and to amend the Montreal Protocol to control the HFCs which were once necessary substitutes for ODSs, but were no longer needed because environmentally superior technology became available.

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