化工热力学-乙醇与水的分离

作业2：详细解答过程：AspenPlus模拟流程截图：AspenPlus模拟结果列表：IDEAL：表一：物料相关参数ACETONEFEEDH2OTemperatureC57.265100Pressurebar1.0131.0131.013VaporFrac000MoleFlowkmol/hr235.8682267.9622032.094MassFlowkg/hr13290.3349944.536654.17VolumeFlowcum/hr17.68556.43539.938EnthalpyGcal/hr-13.773-150.965-135.934MoleFlowkmol/hrC3H6O225.662226.7961.134H2O10.2062041.1662030.96***VAPORPHASE***DensityViscosity***LIQUIDPHASE***Densitykg/cum751.522884.993917.787ViscositycP0.2410.410.28SurfaceTendyne/cm21.15760.28458.228表二：IDEAL模块结果Minimumrefluxratio:2.174776Actualrefluxratio:2.609731Minimumnumberofstages:7.451025Numberofactualstages:15.10511Feedstage:7.918062Numberofactualstagesabovefeed:6.918062Reboilerheatingrequired:7.422133Gcal/hrCondensercoolingrequired:6.163981Gcal/hrDistillatetemperature:57.21498CBottomtemperature:99.97588CDistillatetofeedfraction:0.104HETP:NRTL:表三：NRTL物料相关数据ACETONEFEEDH2OTemperatureC56.26599.5Pressurebar1.0131.0131.013VaporFrac000MoleFlowkmol/hr235.8682267.9622032.094MassFlowkg/hr13290.3349944.536654.17VolumeFlowcum/hr17.65556.43539.918EnthalpyGcal/hr-13.811-151.202-135.952MoleFlowkmol/hrC3H6O225.662226.7961.134H2O10.2062041.1662030.96***VAPORPHASE***DensityViscosity***LIQUIDPHASE***Densitykg/cum752.759884.993918.248ViscositycP0.2430.410.281SurfaceTendyne/cm21.27960.28458.312表四：NRTL模块结果Minimumrefluxratio:1.78253Actualrefluxratio:2.139036Minimumnumberofstages:22.19904Numberofactualstages:43.83292Feedstage:40.84705Numberofactualstagesabovefeed:39.84705Reboilerheatingrequired:6.877299Gcal/hrCondensercoolingrequired:5.438181Gcal/hrDistillatetemperature:56.22837CBottomtemperature:99.54106CDistillatetofeedfraction:0.104HETP:UNIFAC:表五：UNIFAC物料相关数据ACETONEFEEDH2OTemperatureC56.16599.4Pressurebar1.0131.0131.013VaporFrac000MoleFlowkmol/hr235.8682267.9622032.094MassFlowkg/hr13290.3349944.536654.17VolumeFlowcum/hr17.65256.43539.913EnthalpyGcal/hr-13.788-150.982-135.983MoleFlowkmol/hrC3H6O225.662226.7961.134H2O10.2062041.1662030.96***VAPORPHASE***DensityViscosity***LIQUIDPHASE***Densitykg/cum752.887884.993918.36ViscositycP0.2430.410.281SurfaceTendyne/cm21.29260.28458.333表六：UNIFAC模块数据Minimumrefluxratio:1.621262Actualrefluxratio:1.945515Minimumnumberofstages:27.61632Numberofactualstages:54.74148Feedstage:51.67519Numberofactualstagesabovefeed:50.67519Reboilerheatingrequired:6.213071Gcal/hrCondensercoolingrequired:5.002286Gcal/hrDistillatetemperature:56.12642CBottomtemperature:99.43489CDistillatetofeedfraction:0.104HETP:状态方程法：LK-PLOCK表七：状态方程法物流相关数据ACETONEFEEDH2OTemperatureC57.565101.7Pressurebar1.0131.0131.013VaporFrac000MoleFlowkmol/hr235.8682267.9622032.094MassFlowkg/hr13290.3349944.536654.17VolumeFlowcum/hr17.69256.43540.017EnthalpyGcal/hr-13.812-152.043-136.798MoleFlowkmol/hrC3H6O225.662226.7961.134H2O10.2062041.1662030.96***VAPORPHASE***DensityViscosity***LIQUIDPHASE***Densitykg/cum751.195884.993915.971ViscositycP0.2410.410.274SurfaceTendyne/cm17.91824.63323.68表八：状态方程法模块相关数据Minimumrefluxratio:1.335911Actualrefluxratio:1.603094Minimumnumberofstages:5.827468Numberofactualstages:12.55711Feedstage:7.043875Numberofactualstagesabovefeed:6.043875Reboilerheatingrequired:5.945406Gcal/hrCondensercoolingrequired:4.512474Gcal/hrDistillatetemperature:57.47534CBottomtemperature:101.6868CDistillatetofeedfraction:0.104HETP:结果分析：