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Landmark designation
The American Chemical Society designated the invention of the Multiple Effect Evaporator under Vacuum by Norbert Rillieux a National Historic Chemical Landmark on April 18, 2002. The plaque commemorating the event reads:
Norbert Rillieux (1806-1894) revolutionized sugar processing with the invention of the Multiple Effect Evaporator under Vacuum. Rillieux’s great scientific achievement was his recognition that at reduced pressure the repeated use of latent heat would result in the production of better quality sugar at lower cost. One of the great early innovations in chemical engineering, Rillieux’s invention is widely recognized as the best method for lowering the temperature of all industrial evaporation and for saving large quantities of fuel.
A revolution in sugar processing | Norbert Rillieux: chemist and engineer | Sugar production and the multiple effect evaporator | Neither slave nor free | The Degas connection | Landmark designation | Further reading
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