Chicago Bridge & Iron Technical Services Company

Tushar K Shah

Corey Adam Fleischer

Gerald E Engdahl

William S Schoerner

Rajineeta Rachel Basantkumar

Harry Charles Malecki

Han Liu

William Patrick Burgess

The ice content of a mixture of ice and liquid water is determined by (a) measuring the electrical conductivity C.sub.i of the original water at a temperature above its freezing point and before any of it has been converted to ice; (b) cooling the water to produce a mixture of ice and a liquid water phase; (c) measuring the electrical conductivity C.sub.n of the liquid water phase; and (d) computing the fraction of ice in the mixture by use of the equation

Method and apparatus for measuring the amount of ice in an aqueous ice

An ice slurry is produced at the triple point of water in a freezer vessel having vertical freezer tubes on which feed water falls as an outside film and coolant tubes on which cold coolant falls as an outside film, with the liquid coolant and liquid feed distributed to the tubes by a pan over the tubes. The resulting warmer coolant flows to a collecting pan at the vessel bottom and then through an outlet for withdrawing the coolant from the vessel, while the ice slurry is withdrawn through an outlet at the vessel bottom.

Apparatus and method of producing an ice slurry at the triple point of a

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Tushar K Shah