Froanti (CFCs) replacement for compressor refrigerators

Release time:2019-08-05
Abstract:

Perchlorofluorocarbon (commonly known as Freon) is a ch […]

Perchlorofluorocarbon (commonly known as Freon) is a chemical reagent. It is mainly used in compressor refrigerator refrigerants and air conditioners to isolate foam. In the late 1970s, people suspected that they would be harmful to the ozone layer, so people continue to explore to find that the complete CFC (commonly known as Freon) is a chemical reagent. It is mainly used in compressor refrigerator refrigerants and air conditioners to isolate foam. In the late 1970s, people suspected that they would be harmful to the ozone layer, so people are constantly exploring to find a formula that can eliminate and replace this substance. There are three main alternatives available: 1 partially chlorinated chlorofluorocarbons (HCFCs); 2 fluoroalkanes (HFCs), HFCs l34a as its main component; 3 natural gas, such as butane and propane (hydrocarbon HCs).
The first chemical alternative, partially chlorinated chlorofluorocarbons, still has some ability to erode the ozone layer, so consider it as a temporary alternative that can only be used during the transition phase. In the long run, these harmful chemicals should not be used to improve the disappearance of the ozone layer. The second option, HFCs, was first popular in Europe and is now favored by the US chemical industry. This chemical has been known since the 1950s, and people have focused on doing a lot of research on it and making progress in production technology, mainly thanks to various mandatory measures and especially Americans. The fear of expensive medical expenses for treating skin cancer. DuPont, the American company, has become a leader in this industry. The motivation for studying alternatives to Freon lies in the organization's earlier commitments, saying that if it is determined that Freon has a destructive effect on the ozone layer, production will stop immediately. The company's research on alternatives is reflected in the growth of research and development expenses in the field and the company's patent rights to a large number of related technologies. In 1977, this measure provided ample impetus for the search for alternatives in other applications.
The prospect of a global alternative to the Treaty, based on the prospect of finding a scientifically and economically viable alternative to Freon, was signed in Montreal in 1986. DuPont has supported the global treaty since 1986, when European producers such as Hoechst expressed opposition because they were still far behind the United States in terms of alternative development. But since the mid-1980s, Europe’s position has gradually changed. As a result, global production of Freon has also steadily declined.
The United States tends to use a second alternative, fluoroalkane, and the third alternative in the UK – hydrocarbons are more popular. Although fluoroalkanes do not destroy the ozone layer, they have a considerable impact on global warming and have been criticized by environmentalists. In the 1990s, Germany, with the concept of green peace, began to develop refrigerators with hydrocarbons as refrigerants and melting agents. Major refrigerator manufacturers are beginning to oppose this measure because of the danger of flammability. However, since some small manufacturers have cooperated with university research institutes to produce a model that meets safety standards and have been supported by Greenpeace, major German manufacturers have begun to adopt this new technology. German manufacturers have also applied this technology to their foreign manufacturing plants, such as Bosch-Siemens, which now use hydrocarbon replacement technology for production. Electrolux has also turned to hydrocarbon technology in the European market. At the same time, this technology has also been adopted by some low-cost manufacturers, such as Italy's Candy, which began using the technology in 1999. Manufacturers in other countries (such as Sweden, Denmark, France, Japan, Turkey, India, China, and Cuba) have also switched to hydrocarbon technology.
Nowadays, three alternatives to refrigerator refrigerants are on the market: Freon is still used in developing countries such as China and India; fluoroalkanes have a large market share in North America, Japan and southern Europe; hydrocarbons are Northern Europe has become a widely used chemical in the use of compressor refrigerators. According to reports, the market share of German hydrocarbon technology has reached 100%. In Japan, fluoroalkanes are the main refrigerant refrigerant replacement for compressors, but hydrocarbon technology is also used. In 2000, about 40% of the compressors in Japan produced fluoroalkanes and 60% used hydrocarbons. It is still inconclusive as to which of the two will dominate the world, but the potential for hydrocarbons to become international choices is high.