Description
De-asphalter: a Distillation culinary technique.
Technical
A de-asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from the residuum fraction of crude oil or bitumen. The primary purpose of the separation is to remove contaminants from the feed that would cause rapid deactivation of catalysts in downstream processing units. In doing so, the de-asphalter is the first step in a series of processes that upgrade a low-value feedstock to high-value refined products.
Sensory Profile
Aroma ()
Wine Analogy
Similar to the sediment removal process in winemaking
Coffee Analogy
Like the degassing phase after coffee roasting
Perfume Analogy
Comparable to the separation of essential oils from plant material
Origin & History
Civilization
Ancient Mesopotamians
Era
3000 BCE
Region
Middle East
Spread Path
Trade routes along the Tigris and Euphrates rivers