vacuum pan

American  

noun

1. a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.

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Example Sentences

See Examples For:

vacuum pan

In 1846 he invented and patented a vacuum pan which in its day revolutionized to a large extent the then known method of refining sugar.

From The Journal of Negro History, Volume 2, 1917 by Various

However this may be, I cannot help believing that the vacuum pan has many decided advantages over all others.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by Simmonds, P. L.

But when the vacuum pan was introduced the molasses was impoverished of its sweetness and beet sugar does not yield any molasses.

From Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries by Slosson, Edwin E.

The sirup swung from the same is used in next and following operations; when it becomes too thick it is sent to the vacuum pan to be regrained.

From Scientific American Supplement, No. 832, December 12, 1891 by Various

This condition is reached either by adding sugar and so increasing the soluble solids, or by driving off the water by evaporation, preferably in a vacuum pan.

From Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying by Russell, H. L. (Harry Luman)