Catalytic alkylation of hydrocarbons

Details Catalytic alkylation of hydrocarbons Catalytic alkylation of hydrocarbons

1980-02-26

1982-03-02

Smith, William F.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

422111, 422115, 422189, 422235, G01N 2100, G05D 700

Patent

active

043177956

ABSTRACT:
A continuous process for the alkylation of an alkylatable hydrocarbon with an alkylating agent in the presence of an acid-type catalyst, including; contacting an alkylatable hydrocarbon with an alkylating agent in the presence of an acid-type catalyst at a temperature and pressure and for a time sufficient to alkylate the alkylatable hydrocarbon; separating the reaction effluent stream into an alkylate product phase and a catalyst phase containing catalyst-soluble oil; cooling the catalyst phase to a temperature essentially equal to the alkylation reaction temperature; recycling the cooled catalyst phase to the alkylation reaction; contacting a diolefinic hydrocarbon with an acid-type catalyst at a temperature and pressure sufficient to form additional catalyst-soluble oil and combining the additional catalyst-soluble oil with the circulating catalyst phase. In accordance with another aspect of the invention, a quantity selected from the amount of catalyst-soluble oil, water and/or the total of the amount of catalyst-soluble oil and water in the catalyst phase is controlled, within specific limits. A start-up procedure and apparatus for carrying out the process are also included.

REFERENCES:
patent: 2397085 (1946-03-01), Boedeker et al.
patent: 3316332 (1967-04-01), Glahn
patent: 3663646 (1972-05-01), Chapman
patent: 3814915 (1974-06-01), Sweeney, Jr.
patent: 3953538 (1976-04-01), Boney
patent: 4189616 (1980-02-01), Liebert
patent: 4205196 (1980-05-01), Makovec

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