Process to reduce the benzene content of gasoline

Details Process to reduce the benzene content of gasoline Process to reduce the benzene content of gasoline

1977-11-03

1979-02-20

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

260671R, 260671P, C07C 352, C10G 3900

Patent

active

041406222

ABSTRACT:
Benzene, which is toxic and carcinogenic, is removed from a gasoline or gasoline precursor stream, such as a mixture of a reformate and a naphtha produced in a fluidized catalytic cracking unit, in a process which includes fractionating the precursor stream into a light hydrocarbon stream containing the benzene and a heavy hydrocarbon stream. The light hydrocarbon stream is then admixed with an olefinic hydrocarbon, passed through an alkylation zone and then remixed with the heavy hydrocarbon stream.

REFERENCES:
patent: 2335596 (1943-11-01), Mareschner
patent: 2730557 (1956-01-01), Max et al.
patent: 2955143 (1960-10-01), Bloch

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