Transfer of acid catalyst

Details Transfer of acid catalyst Transfer of acid catalyst

C - Chemistry, Metallurgy

07

C

23/399, 260/712

C07C 2/62 (2006.01) B67D 7/02 (2010.01) B01J 3/02 (2006.01) B01J 14/00 (2006.01) C07C 9/14 (2006.01)

Patent

CA 2023007

An 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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