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PROCESS FOR PRODUCING A GASOLINE WITH A LOW SULPHUR AND MERCAPTANS CONTENT
PROCESS FOR PRODUCING A GASOLINE WITH A LOW SULPHUR AND MERCAPTANS CONTENT
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机译:生产低硫和硫醇含量的汽油的方法
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摘要
The present application concerns a process for the treatment of a gasoline containing sulphur-containing compounds and olefins, with the following steps:a) a step for hydrodesulphurization of said gasoline in order to produce an effluent which is depleted in sulphur by passing the gasoline mixed with hydrogen over at least one hydrodesulphurization catalyst;b) a step for separating the partially desulphurized gasoline from the hydrogen introduced in excess as well as the H2S formed during step a);c) a catalytic step for sweetening desulphurized gasoline obtained from step b), which converts residual mercaptans into thioethers via an addition reaction with the olefins.展开▼