Thread Content
The main operating conditions for aromatic hydrocarbons extraction and aromatic hydrocarbon separation are: Removal tower top temperature 124°C, pressure 0.04MPa, tower bottom temperature 192°C, extraction tower top temperature 93°C, pressure 0.5MPa, tower bottom temperature 71°C, solvent ratio (solvent/feed) = 4.0, stripping tower top temperature 112°C, pressure 0.06MPa, tower bottom temperature 178°C Secondary solvent ratio (solvent/feed) = 1.0 The top temperature of the recovery tower is 81℃, the pressure is -0.05MPa, the bottom temperature is 177℃, the top temperature of the raffinate water washing tower is 40℃, the pressure is 0.3MPa, the bottom temperature is 40℃, the top temperature of the water stripping tower is 111℃, the pressure is 0.06MPa, the bottom temperature is 114℃, the top temperature of the solvent regeneration tower is 174℃, the pressure is -0.02MPa. Tower bottom temperature 174℃, clay tower top temperature 200℃, pressure 1.6MPa, tower bottom temperature 200℃, benzene tower top temperature 91.5℃, pressure 0.04MPa tower bottom temperature 147℃, toluene tower top temperature 124℃, pressure 0.04MPa tower bottom temperature 162℃, xylene tower top temperature 205℃, pressure 0.35MPa, tower bottom temperature 222℃
Top temperature, bottom temperature and pressure, solvent ratio (solvent/feed) Removal tower 124℃ 192℃ 0.04MPa Extraction tower 93℃ 71℃ 0.5MPa 4.0 Stripping tower 112℃ 178℃ 0.06MPa Secondary solvent ratio (solvent/feed) = 1.0 Recovery tower 81℃ 177℃ -0.05MPa Residual oil water washing tower 40℃ 40℃ 0.3MPa Water stripping tower 111℃ 114℃ 0.06MPa Solvent regeneration tower 174℃ 174℃ -0.02MPa Clay tower 200℃ 200℃ 1.6MPa Benzene tower 91.5℃ 147℃ 0.04MPa Toluene tower 124℃ 162℃ 0.04MPa xylene tower 205℃ 222℃ 0.35MPa
study* However, the pressure of the "triphenyl" tower of some devices is low, which is quite different from the above.