Secondary concentration techniques by boiling at atmospheric pressure
Maple products

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F6156 V1 Article

Secondary concentration techniques by boiling at atmospheric pressure


Maple products

Author : Jean-Luc BOUTONNIER

Publication date: June 10, 2023 | Lire en français

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4. Secondary concentration techniques by boiling at atmospheric pressure

In the past, raw maple sap was concentrated in large iron cauldrons in the middle of the woods. Until the 18th century, maple syrup was produced in small quantities for a family and a few friends, the sugar of the poor who couldn't afford the precious and expensive cane sugar. The first maple syrup evaporator was invented and patented by two Americans, the Samll brothers, in 1889, and quickly won out over iron cauldrons, ushering in an era of highly sophisticated, high-performance evaporators as we know them today.

4.1 Operating principle of a conventional dynamic evaporator

There are two types of evaporator: small-capacity artisanal evaporators that operate discontinuously, and industrial evaporators with greater evaporating capacity that operate continuously,...

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