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Worldwide production of R-22 in 2008 was about 800 Gg per year, up from about 450 Gg per year in 1998, with most production in developing countries. [2] R-22 use is being phased out in developing countries, where it is largely used for air conditioning applications.
The first CFCs were synthesized by Frédéric Swarts in the 1890s. In the late 1920s, a research team was formed by Charles Franklin Kettering in General Motors to find a replacement for the dangerous refrigerants then in use, such as ammonia. [3]
R22 Harmful if swallowed R23 Toxic by inhalation R24 Toxic in contact with skin R25 ... R24/25 Toxic in contact with skin and if swallowed R26/27
[24] [25] By 1930, General Motors and Du Pont formed the Kinetic Chemical Company to produce Freon, and by 1935, over 8 million refrigerators utilizing R-12 were sold by Frigidaire and its competitors. In 1932, Carrier began using R-11 in the worlds first self-contained home air conditioning unit known as the "atmospheric cabinet". As a result ...
R22 (New York City Subway car) Chlorodifluoromethane, a refrigerant; Fiat R.22, an Italian reconnaissance aircraft; Ndonga dialect; R22: Harmful if swallowed, a risk phrase; R-22 Spearhead, a fictional starfighter in the Star Wars universe; Robinson R22, an American helicopter; R22 refrigerant
The delivery options are therefore local gas generation, pipelines, bulk transport (truck, rail, ship), and packaged gases in gas cylinders or other containers. [1] Bulk liquid gases are often transferred to end user storage tanks. Gas cylinders (and liquid gas containing vessels) are often used by end users for their own small scale ...
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