aspen模拟:大量无机盐中脱出少量重油(含有水),物性 ...? aspen模拟:大量 无机盐 中脱出少量重油(含有水),物性方法用什么? 按本人理解应该选用活度系数模型,然而选择活度系数模型,进行计算时,错误信息: *** SEVERE ERROR IN PHYSICAL PROPERTY SYSTEM WATSON HEAT OF VAPORIZATION MODEL HAS MISSING PARAMETERS: DHVLWT/1ST ELEMENT (DATA SET 1) MISSING FOR COMPONENT NAOH DHVLWT/2ND ELEMENT (DATA SET 1) MISSING FOR COMPONENT NAOH ****PROPERTY PARAMETER ERROR ERRORS ENCOUNTERED IN CALCULATION OF LIQUID MIXTURE MOLAR ENTHALPY USING OPTION SET NRTL FOR H 改选pengrob物性方 法能 算 INFORMATION BINARY PARAMETERS PRKIJ (DATA SET 1) FOR MODEL ESPRSTD ARE RETRIEVED FROM SDF TABLE. TABLE NAME = ESPRSTD * WARNING IN PHYSICAL PROPERTY SYSTEM PARAMETER PLXANT (DATA SET 1) FOR COMPONENT NAOH: UNREASONABLE VAPOR PRESSURE CALCULATED AT NORMAL BOILING POINT. VALUE SHOULD BE WITHIN 10% OF 1D5 N/SQM. PLEASE CHECK YOUR INPUT FOR THE ANTOINE PARAMETERS. * WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 60 STREAM NAME: 4 COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED" ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE. Flowsheet Analysis : COMPUTATION ORDER FOR THE FLOWSHEET: B1 ->Calculations begin ... *** SEVERE ERROR WHILE PERFORMING INITIAL ENTHALPY CALCULATIONS FOR STREAM: "1" FLASH RESULTS ARE WITHIN TOLERANCE, BUT MAY BE UNSATISFACTORY BECAUSE EXTRAPOLATED EOS VAPOR VOLUME ROOT WAS USED FOR PROPERTY CALCULATIONS. Block: B1 Model: RADFRAC Convergence iterations: OL ML IL Err/Tol 1 1 10 0.11622E+11 2 1 10 0.15960E+08 3 1 10 0.12031E+06 *** SEVERE ERROR THE FOLLOWING STAGES DRIED UP (VAPOR OR LIQUID FLOW APPROACHES 0): 2 8 A LIMIT OF 0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES OR A LIMIT OF 0.10000E-04 WAS IMPOSED ON THE STAGE V/L OR L/V RATIO. ->Simulation calculations completed ... 结果错的,应该怎么弄啊查看更多15个回答 . 4人已关注