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Lecture 10- Column Distillation-2012

Lecture 10- Column Distillation-2012 - Lecture 10...

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3/26/2012 1 Lecture 10: Introduction to Column Based Distillation • History of distillation • Fun distillation facts • Rational behind column distillation • How a distillation column works • How to operate your distillation column 2000 B.C. Babylonians (in modern-day Iraq) 500 B.C. Pakistan 50 A.D. Greeks (for alcohol) 8 th century – Persians in Middle East used first “pure distillation” to isolate/purify esters for perfumes How Long Ago Was Distillation Used?
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3/26/2012 2 Where besides the oil industry is distillation used? - Crude oil - Natural gas processing - Water purification (remove salt, other impurities) - Air separation (into oxygen, nitrogen, argon,…) - Food industry (fermented solutions such as beer,…) Most common separation technique in the chemical process industry, accounting for 90 - 95 % of the separations Use continuous distillation when volume to be recovered is high Energy intensive: accounts for approximately 40% of the energy use by the United States’ chemical process industry Some Fun Distillation Facts 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
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