| 摘要 |
<p>The invention relates to a process and to an installation for the hydrotreatment of the fractions within refineries. According to the invention, the process comprises the steps of separating the phases which form the effluent at the outlet of the heat exchangers : effluent, raw stock and recirculated hydrogen, by a unitary separation operation, at a pressure ranging from 30 to 70 bars and a temperature ranging from 180 to 230 C, wherefrom a liquid flow of oil product having a temperature of 180 ... 230 C is obtained, said product modifying the temperature distribution of the other flaws in the installation - the heat exchange between the raw stock and the stripped hydrofined product, after the outlet from the heat exchanger which preheats the feeding of the column stripping sulphuretted hydrogen.</p> |
