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'Freon' is the brand name for the refrigerants R-12, R-13B1, R-22, R-410A, R-502, and R-503 manufactured by The Chemours Company, and so is not used to label all refrigerants of this type. They emit a strong smell similar to acetone. [2] Freon has been found to cause damage to human health when inhaled in large amounts.
Freon 113 Frigen 113 TR Freon TF Valclene 1,1,2-trichlorotrifluoroethane ... Another synthesis method uses HF on tetrachloroethylene instead. [8] Atmospheric reactions
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
1,1,1,2-Tetrafluoroethane is a non-flammable gas used primarily as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditioners. These devices began using 1,1,1,2-tetrafluoroethane in the early 1990s as a replacement for the more environmentally harmful R-12 .
The first air conditioners and refrigerators employed toxic or flammable gases, such as ammonia, sulfur dioxide, methyl chloride, or propane, that could result in fatal accidents when they leaked. [6] In 1928 Thomas Midgley Jr. created the first non-flammable, non-toxic chlorofluorocarbon gas, Freon (R-12).
Trichlorofluoromethane was first widely used as a refrigerant.Because of its high boiling point compared to most refrigerants, it can be used in systems with a low operating pressure, making the mechanical design of such systems less demanding than that of higher-pressure refrigerants R-12 or R-22.
According to local sources, it was the first in the United States to have electric air conditioning using freon. [24] Ridgeleigh Terrace was the home of his son, Eugene, until his death. Eugene's wife, Virginia, lived in the house for many years, restoring and redecorating it. In the late 1990s, the house largely destroyed in a fire, and was ...
According to company records, the sales price was $57,789.14. Norris began operating the company under the name Lennox Furnace Company . The company grew across the United States throughout the first half of the 20th century, expanded into the air conditioning industry in the early 1950s, and was renamed Lennox Industries.
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