Transfer of catalyst

Details Transfer of catalyst Transfer of catalyst

1991-01-22

1992-09-08

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

585709, C07C 258

Patent

active

051460360

ABSTRACT:
An improved system for performing an alkylation process and a method for handling liquid catalyst in an alkylation process. This improvement involves method and apparatus by which liquid alkylation catalyst contained in the alkylation process equipment can be transferred into a catalyst storage vessel without the need for venting excess pressure from the storage vessel to atmosphere. Through a combination of the physical arrangement of the process equipment and the storage vessel along with the addition of a pressure equalization line, apparatus is provided whereby certain process steps can be followed which allow the transfer of catalyst from the process equipment to the storage vessel without venting the storage vessel. The improvement comprises physically locating the catalyst storage vessel at a relative elevation below the alkylation proces equipment and providing a line to connect the vapor space of the storage vessel with that of a catalyst settling vessel in the process equipment.

REFERENCES:
patent: 2488943 (1949-11-01), Shearer
patent: 2615928 (1952-10-01), Jolly
patent: 3080438 (1963-03-01), Sailors
patent: 3249650 (1966-05-01), Fenske
patent: 3953538 (1976-04-01), Boney
patent: 4409420 (1983-10-01), Van Pool et al.
Hydrofluoric Acid Alkylation, Phillips Petroleum Company Publication, pp. 31-31, and 35-36 and FIG. 15., 1946.

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