Common Cryogens and Their Applications
a) Nitrogen: Liquid nitrogen is frequently utilized in medicine, particularly for the long-term preservation of biological materials such as blood and tissue. It is also utilized in food processing for rapid freezing and in cryotherapy.
b) Oxygen: Liquid oxygen is essential in healthcare settings, especially hospitals, for respiratory support. In the aerospace sector, it is utilized as an oxidizer in rocket propulsion.
c) Hydrogen: Liquid hydrogen is increasingly being used as a clean fuel alternative, particularly in industries seeking sustainable energy solutions. Vehicles powered by hydrogen and fuel cells are becoming increasingly popular.
d) Helium: Liquid helium is employed in scientific research and medical equipment, especially MRI machines. Helium’s low boiling point makes it perfect for cooling superconducting magnets.
e) LNG (Liquefied Natural Gas): LNG is another cryogenic substance that has enormous potential as a clean energy resource.