Apparatus for transfer of acid catalyst

Details Apparatus for transfer of acid catalyst Apparatus for transfer of acid catalyst

1991-11-19

1995-05-30

Kratz, Peter

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is fluid pressure sensitive

422187, B01J 302

Patent

active

054198739

ABSTRACT:
Apparatus and a method are disclosed for transferring acid catalyst from a transport vehicle where liquid acid is carried under a relatively low vapor pressure level to a process vessel in an alkylation process where liquid acid is contained at a higher pressure level, while minimizing the loss of acid vapor to the environment. The acid transfer is accomplished without venting the process vessel by employing a relatively small volume pressure lock chamber between the transport vessel and the storage vessel. In a preferred embodiment the small volume pressure lock chamber also serves as a storage vessel for make-up acid which is added to the alkylation process as required.

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patent: 4861560 (1989-08-01), Nakajima
patent: 4982036 (1991-01-01), Hachmuth et al.

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