Mineral oils: processes and products – Fractionation – Distillation
Patent
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
McBride Thomas K.
Myers Helane
Tolomei John G.
UOP
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