Desalting process for primary fractionator

Details Desalting process for primary fractionator Desalting process for primary fractionator

1994-06-20

1996-08-13

Myers, Helane

Mineral oils: processes and products

Fractionation

Distillation

208308, B01D 334

Patent

active

055453139

ABSTRACT:
A simplified solution to the problem of salt precipitation on the trays of a the FCC main column removes salt or salt forming compounds from an naphtha slip stream. The invention removes solubilized salt from the a cooled naphtha fraction of the main column by water washing to absorb dissociated ions of the salts and separation of the aqueous phase for removal of the salts from the separation loop.

REFERENCES:
patent: 4062764 (1977-12-01), White et al.
patent: 4229284 (1980-10-01), White et al.
patent: 5080778 (1992-01-01), Lambert
patent: 5176815 (1993-01-01), Lomas

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