プログフロー反応器の温度分布 プロセスシミュレータ 


【例題】ベンゼンとエチレンからエチルベンゼンを合成する反応

【フローシート】「プログフロー反応器」ユニットを使用

【設定ファイル】

COMPONENT DATA
  LIBID 1,BENZENE/2,ETHYLENE/3,EBENZENE/4,N2
THERMODYNAMIC DATA
  METHOD SYSTEM=SRK, SET=SRK01, DEFAULT
STREAM DATA
  PROPERTY STREAM=S1, TEMPERATURE=550, PRESSURE=1, PHASE=M, RATE(M)=1, &
         COMPOSITION(M)=1,5/2,20/4,75
RXDATA
  RXSET ID=R1
    REACTION ID=R1
      STOICHIOMETRY 1,-1/2,-1/3,1
      KINETICS PEXP=5.5E16, ACTIVATION=58.5, TEXPONENT=0
      KPHASE DEFAULT=L
      KBASIS LIQUID=MOLAR
UNIT OPERATIONS
  PLUG UID=R1
      FEED S1
      PRODUCT M=S2
      OPERATION LENGTH=1, DIAMETER=50, PHASE=V, POINTS=10, &
                 ADIABATIC, DUTY=0
      RXCALCULATION CONCENTRATION, RUNGEKUTTA, NSTEPS=20
      RXSTOIC RXSET=R1
      REACTION R1
      BASE COMPONENT=1, PEXP=1E22
END

【計算結果】

REACTION DATA
                               --------- RATES, KG-MOL/HR ----------    FRACTION
       COMPONENT                  FEED        CHANGE      PRODUCT     CONVERTED
  ------------------          -----------  -----------  ----------- -----------
    1 BENZENE                       .0500       -.0170        .0330       .3397
    2 ETHYLENE                      .2000       -.0170        .1830       .0849
    3 EBENZENE                      .0000        .0170        .0170
    4 N2                            .7500        .0000        .7500
       TOTAL                        1.0000       -.0170        .9830
REACTOR PROFILES
        DISTANCE      TEMP
            M           C
       ----------- -----------
     0       .0000      550.00
     1       .1000      551.74
     2       .2000      554.18
     3       .3000      556.80
     4       .4000      559.61
     5       .5000      562.64
     6       .6000      565.93
     7       .7000      569.49
     8       .8000      573.39
     9       .9000      577.65
    10      1.0000      582.33
  -- COMPONENT MOLE FRACTIONS VS. DISTANCE FROM INLET
        DISTANCE        1           2           3
            M        BENZENE     ETHYLENE    EBENZENE
       ----------- ----------- ----------- -----------
     0       .0000   .05000000   .20000000   .00000000
     1       .1000   .04888671   .19906249   .00117189
     2       .2000   .04769864   .19806201   .00242249
     3       .3000   .04641948   .19698482   .00376897
     4       .4000   .04503712   .19582074   .00522408
     5       .5000   .04353736   .19455778   .00680278
     6       .6000   .04190347   .19318187   .00852267
     7       .7000   .04011583   .19167649   .01040439
     8       .8000   .03815159   .19002240   .01247201
     9       .9000   .03598456   .18819752   .01475309
    10      1.0000   .03358559   .18617734   .01727832