Claude process

Claude process

[′klȯd ‚präs·əs]
(chemical engineering)
A process of ammonia synthesis which uses high operating pressures and a train of converters.
(cryogenics)
A method of liquefying air or other gases in stages, in which the gas is cooled by doing work in an expansion engine and then undergoing the Joule-Thomson effect as it passes through an expansion valve.