Refinery atmospheric pipestill with methanol stripping

Details Refinery atmospheric pipestill with methanol stripping Refinery atmospheric pipestill with methanol stripping

1998-10-06

2000-02-29

Griffin, Walter D.

Mineral oils: processes and products

Fractionation

Distillation

208362, 208363, 585864, 203 49, 203 66, 203 92, 203 96, B01D 334, B01D 338, B01D 304, C07C 700

Patent

active

06030524&

ABSTRACT:
In an atmospheric pipestill stripping process where steam is utilized as the stripping gas to strip bottoms and side stream products, the improvement comprising utilizing methanol or a methanol and steam mixture as said stripping gas. In a refinery atmospheric pipestill stripping process utilizing a stripping gas, said process comprising utilizing a gas selected from the group consisting of methanol and a mixture of methanol and steam as said stripping gas.

REFERENCES:
patent: 4319980 (1982-03-01), Jenkins
patent: 5169598 (1992-12-01), Zetlmeisl, et al.

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