氢化油脂英文hydrogenation.ppt

* * * * * * * * * * * * * * * * * * * * Effects of Pressure and Temperature on Trans-Unsaturation at 80 I.V. Soybean Oil As temperature 210 235C at 30 Psi, trans fatty acids increase from 40 to 45 % Effects of Pressure, Temperature, and Catalyst on Selectivity Ratio What does selectivity 40 mean? As pressure 14 34 Psi at 180C, 0.02% catalyst, selectivity rate decrease from 40 to 20 Effects of Pressure, Temperature, and Catalyst on Selectivity Ratio As temperature 130C 160Cat 0.08 % and 25 Psi, Selectivity rate increases from 20 to 40 Effects of Pressure, Temperature, and Catalyst on Selectivity Ratio As catalyst 0.02 0.08 % at 25 Psi and 165 C, selectivity rate increases from 20 to 40 Effects of Agitation and CatalystConcentration on Selectivity Ratio As catalyst 0.03 0.07% at 1330 RPM, selectivity rate increases from 28 to 36. Effects of Agitation and Catalyst Concentration on Selectivity Ratio As agitation 1300 1700 RPM at 0.06 %, selectivity rate decreases from 36 to 28. Effects of Pressure and Temperature on Selectivity Rate As pressure 20 35 Psi at 170C, selectivity rate increases from 20 to 28 Effects of Pressure and Temperature on SR As temperature 140 190 at 20 Psi, selectivity increases from 20 to 36 Effects of Agitation and Catalyst Concentration on Hydrogenation Rate As agitation 800 1000ppm at 0.06 % Ni, hydrogenation rate increase from 2.5 to 3.2 IV/min. Effects of Agitation and Catalyst Concentration on Hydrogenation Rate As catalyst 0.06 0.10% at 1000rpm hydrogenation rate increases from 3.3 to 3.8 IV/min. Factors Affecting Hydrogenation The Relationship between Process Conditions and their Effects on Selectivity Ratio, Trans-Contents, and the Rates of Reaction Selectivity Ratio Trans Content Reaction Rate Temperature Pressure Agitation Catalyst * * * * * * * * * * * * * * * * * * * * * HYDROGENATION Vegetable oil Seventy five (75