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vacuum pan
noun
- 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
Rillieux’s innovative design for a vacuum pan.
From Literature
Where the material in the vacuum pan is to be bleached, it is well to introduce this reagent just before striking grain, thus furnishing a bright clear material which will act as film over the nucleous of sucrose in the grain.
From Project Gutenberg
This method, known as vacuum pan refining, is the most costly and energy-intensive, but it creates a product that's nearly 100 percent sodium chloride.
From Washington Post
Some solar sea salt is then washed and refined in a process that can be as energy-intensive as vacuum pan refining.
From Washington Post
Kosher salt can be extracted via solution mining or from seawater and processed via vacuum pan refining or solar evaporation.
From Washington Post
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