Transfer of catalyst

Details Transfer of catalyst Transfer of catalyst

1990-01-12

1991-06-04

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422208, 422234, 422235, 422295, 585705, F28D 2100

Patent

active

050212230

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 process 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: 3003515 (1961-10-01), Moberly
patent: 3213157 (1965-10-01), Hays et al.
patent: 3249650 (1966-05-01), Fenske
patent: 4409420 (1983-10-01), Van Pool et al.
patent: 4962263 (1990-10-01), Hovis
Hydrofluoric Acid Alkylation, Phillips Petroleum Company Publication, pp. 31-31, and 35-36, and FIG. 15, 1946.

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