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process

VIEWS: 4 PAGES: 13

  • pg 1
									                                          d_spec




Process Specifications

      Feed Flowrate 1          kg/s db             OK

      Feed Pressure 1          bar             Cancel

  Feed Temperature 50          oC

 Feed                    0.1   kg/kg db
 Concentration




                                          Page 1
                                                    d_tech




Technical Data
           Solvent Properties
                                                              OK
       m         2.007          -
                 1.18                                    Cancel
       Cpv                      kJ/kgK
       Cpl       2.18           kJ/kgK
       dHo       502            kJ/kg          Heat Transfer
       a         10.112         -              Data
                                               Uf      0.05        kW/m2K
       b         2976           -
                                               Ue       0.05       kW/m2K
       c         238.63         -
                                               Uc       0.1        kW/m2K
     Refrigerant                               dT       10         oC
     Properties 2.45
        Cpr                     kJ/kgK
       dHr       490            kJ/kg    Pressure Operating
       TL        -90            oC       Range PL      1           bar
       TH        50             oC             PH       20         bar

           Air
                                          Cooling Water
       Cpa Properties
               1                kJ/kgK    Properties   4.18
                                               Cpw                 kJ/kgK
       k         0.29           -




                                                    Page 2
                                     d_econ




Economic Data

     b1    2.5    kUSD       OK
     b2    0.65   -
                            Cancel
     c1    2.5    kUSD
     c2    0.85   -
     Cp    0.2    USD/kg
     Ce    0.1    USD/kWh
     Cw    0.5    USD/tn
     ty    8000   hr/yr
     e     0.25   -




                                     Page 3
        Technical Data              Design Variables
    m 2.007 -                   P      4.2 bar
 Cpv     1.18 kJ/kgC           Ti     25.0 C                                                                            process
  Cpl    2.18 kJ/kgC            T    -12.8 C
 dHo      502 kJ/kg            Tc     43.6 C                                                                           optimizer
    a. 10.112 -                Te    -22.8 C                                                  Process Constraints
    b.   2976 -               Tw1     44.2 C                                                  (To-Tw1)-dT 21.4
    c. 238.63 -               Tw2     33.6 C                                                   (Ti-Two)-dT    0.0
         1.00
 Cpa 100 kJ/kgC                                                      Process Model                    To-Ti 50.5
     k   0.29 -                                               To     75.5 C                       Tw1-Two 29.2
  Cpr    2.45 kJ/kgC                                           Ef ###### kW                      (Ti-Te)-dT 37.8
 dHr             To
          490 kJ/kg            Process Specifications         Qf ###### C                         (T-Te)-dT   0.0
  TL       -90 C                 F     1.0 kg/s db            Fw ###### kg/s                           Ti-T 37.8
  TH        50
          50 C Tf               Pf                            Af
                                       1.0 bar Specifications Tc ###### m2                    (Tc-Tw2)-dT     0.0
 Cpw     4.18 kJ/kgC            Tf      50 C                  Qe ###### kW                    (Tc-Two)-dT 18.6
   Uf 0.050 kW/m2C  Tw1         Xf     0.1 kg/kg db            Fr ###### kg/s                     Tw2-Two 18.6
   Ue 0.050 kW/m2C
                 Ti           Two       15 C          Tw2     Ae ###### m2                           TH-Tc    6.4
   Uc 0.100 kW/m2C            Two                             Qc ###### kW                            Tc-Te 66.4       Economic Model
                                                               Two
   dT       10 C                     Economic Data
                                             T                Fc ###### kg/s                         Te-TL 67.2        Ceq #### kUSD
           0
   PL        1 bar             b1.   2.50 kUSD                Ac ###### m2                            PH-P 15.8        Cop #### kUSD
  PH        20 bar             b2.   0.65 -                    Er ###### kW                            P-PL   3.2      Cac #### kUSD
                               c1.   2.50 kUSD
                                           Te                  X ###### kg/kg db                                         S #### kUSD
                               c2.   0.85 -                   Fp ###### kg/s                                            R. #### %
                               Cp    0.20 USD/kg
         -50
                               Ce    0.10 USD/kWh
               0                                                              100
                               Cw    0.50 USD/tn
                                ty 8,000 hr/yr
                                 e   0.25 -




=Tf*(P/Pf)^k
=F*(H(P;To;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo) -H(Pf;Tf;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo))
=F*(H(P;To;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo)-H(P;Ti;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo))
=Qf/(Cpw*(Tw1-Two))
=Qf/(Uf*LMTD(Ti;Two;To;Tw1))
=F*(H(P;Ti;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo)-H(P;T;Xf;a.;b.;c.;m;Cpa;Cpv;Cpl;dHo))
=Qe/(dHr-Cpr*(Tc-Te))
=Qe/(Ue*LMTD(T;Te;Ti;Te))
=Fr*(dHr*((273+Tc)/(273+Te))-Cpr*(Tc-Te))                                                  =To-Tw1-dT
=Qc/(Cpw*(Tw2-Two))                                                                        =Ti-Two-dT
=Qc/(Uc*LMTD(Tc;Two;Tc;Tw2))                                                               =To-Ti
=dHr*Fr*(Tc-Te)/(273+Te)                                                                   =Tw1-Two
=m*Po(T;a.;b.;c.)/(P-Po(T;a.;b.;c.))                                                       =Ti-Te-dT
=F*(Xf-X)                                                                                  =T-Te-dT
                                                                                           =Ti-T
                                                                                           =Tc-Tw2-dT
                                                                                           =Tc-Two-dT
                                                                                           =Tw2-Two
                                                                                           =TH-Tc
                                                                                           =Tc-Te
                                                                                           =Te-TL
                                                                                           =PH-P
                                                                                           =P-PL

                                                                             =(b1.*Af^b2.+b1.*Ae^b2.+b1.*Ac^b2.+c1.*Ef^c2.+c1.*Er^c2.)
                                                                             =((Fw+Fc)*(Cw/1000)*ty*3600+(Ef+Er)*Ce*ty)/1000
                                                                             =(Fp*Cp*ty*3600)/1000
                                                                             =Cac-Cop-e*Ceq
                                                                             =S/Ceq*100
                 controls   code   min   max
                    P.CV      16     1    21
                   Ti.CV      10    20    70
                    T.CV      77   -90    10
                   Tc.CV      37    25    75
                   Te.CV      67   -90    10
                 Tw1.CV       38    25    75
                 Tw2.CV       17    25    75




Economic Model
                                                                   Tw2= 33.6 C
                                          Fc= #### C

                        Two=      15 C                                   Tc= 43.6 C
                                                     Ac= #### m2
                                                     Qc= #### kW
                                                                         Er= #### C

                    Tw1= 44.2 C      Fw= #### kg/s   Fr= ####
                                                     Te= -23 C
      Ef= #### kW                                                                     X= #### kg/kg


                     To= 75.5 C          Ti=    25 C                 P= 4.15 bar
 F=   1.0   kg/s               Af= #### m2          Ae= #### m2      T= -13 C
Xf=   0.1   kg/kg              Qf= #### kW          Qe= #### kW
Pf=   1.0   bar                                                                    Fp= #### kg/s
Tf=    50   C
                                   Capacity   Installed Cost   Utility       Utility Flow          Annual Cost
                Equipment                            (kUSD)                                         (kUSD/yr)

            Feed Exchanger     #######   m2   #NAME?            water ####### kg/s                   #NAME?
   Refrigeration Evaporator    #######   m2   #NAME?
   Refrigeration Condenser     #######   m2   #NAME?             water ####### kg/s                  #NAME?
            Air Compressor     #######   kW   #NAME?           electric ####### kW                   #NAME?
  Refrigeration Compressor     #######   kW   #NAME?           electric ####### kW                   #NAME?
                                                #NAME?                                               #NAME?


                           0              0              0               1               1                1


        Feed Exchanger                                                          InstallationCost
                                                                                AnnualOperatingCost


Refrigeration Evaporator



Refrigeration Condenser



        Air Compressor



           Refrigeration
           Compressor
T(H) diagram                                                        1              2      3            4
  100         process   c/w   refr            1                              process    c/w          refr
         0         50                         2   =0                     =Tf
 #NAME?            76   44                    3   =Ef                    =To         =Tw1
 #NAME?            25   15    -23             4   =Ef+Qf                 =Ti         =Two     =Te
           To
 #NAME?           -13         -23             5   =Ef+Qf+Qe              =T                   =Te
 #NAME?                 34     44             6   =Ef+Qf+Qe+Er                       =Tw2     =Tc
 #NAME?                 15     44             7   =Ef+Qf+Qe+Er+Qc                    =Two     =Tc
   50      Tf                                                       Tc


                 Tw1
            Ti                                       Tw2

                        Two                                             Two
                                          T
    0




                                     Te


  -50
        0                                                                                           100
                                                                    report




Acetone Recovery from Rejected Air Stream
Results of Process Design Calculations

Method
Acetone Condensation at High Pressure and Low Temperature

Process Specifications
Feed Flowrate                             1.00    kg/s
Feed Pressure                               1.0   bar
Feed Temperature                             50   oC
Feed Composition                         0.100    kg/kg db

Design Variables
Condensation Pressure                      4.2 bar
Condensation Temperature                 -12.8 oC

Achivement
Recovered Acetone Flowrate            #NAME? kg/s

Installation                             Size                   Load                Cost
Feed Compressor                                               #NAME?    kW       #NAME?    kUSD
Refrigerant Compressor                                        #NAME?    kW       #NAME?    kUSD
Feed Heat Exchanger                   #NAME? m2               #NAME?    kW       #NAME?    kUSD
Refrigerant Evaporator                #NAME? m2               #NAME?    kW       #NAME?    kUSD
Refrigerant Condenser                 #NAME? m2               #NAME?    kW       #NAME?    kUSD
                                                                                 #NAME?    kUSD
Utilities                                                    Flowrate        Annual Cost
Cooling Water                                                 #NAME? kg/s        #NAME? kUSD
Electricity                                                   #NAME? kW          #NAME? kUSD
                                                                                 #NAME? kUSD

Economics
Installation Cost                     #NAME?      kUSD
Annual Operating Cost                 #NAME?      kUSD
Annual Income                         #NAME?      kUSD
Annual Profit                         #NAME?      kUSD
Annual Profit per Installation Cost   #NAME?      %




Acetone Recovery from Rejected Air Stream
Results of Process Design Calculations

Method
Acetone Condensation at High Pressure and Low Temperature

Process Specifications
Feed Flowrate                             1.00    kg/s
Feed Pressure                               1.0   bar
Feed Temperature                             50   oC
Feed Composition                         0.100    kg/kg db

Design Variables
Condensation Pressure                      4.2 bar
Condensation Temperature                 -12.8 oC
                                                                   Page 9
Achivement
Recovered Acetone Flowrate            #NAME? kg/s
Process Specifications
Feed Flowrate                             1.00    kg/s
Feed Pressure                               1.0   bar
Feed Temperature                             50   oC                report
Feed Composition                         0.100    kg/kg db

Design Variables
Condensation Pressure                      4.2 bar
Condensation Temperature                 -12.8 oC

Achivement
Recovered Acetone Flowrate            #NAME? kg/s

Installation                             Size                   Load                Cost
Feed Compressor                                               #NAME?    kW       #NAME?    kUSD
Refrigerant Compressor                                        #NAME?    kW       #NAME?    kUSD
Feed Heat Exchanger                   #NAME? m2               #NAME?    kW       #NAME?    kUSD
Refrigerant Evaporator                #NAME? m2               #NAME?    kW       #NAME?    kUSD
Refrigerant Condenser                 #NAME? m2               #NAME?    kW       #NAME?    kUSD
                                                                                 #NAME?    kUSD
Utilities                                                    Flowrate        Annual Cost
Cooling Water                                                 #NAME? kg/s        #NAME? kUSD
Electricity                                                   #NAME? kW          #NAME? kUSD
                                                                                 #NAME? kUSD

Economics
Installation Cost                     #NAME?      kUSD
Annual Operating Cost                 #NAME?      kUSD
Annual Income                         #NAME?      kUSD
Annual Profit                         #NAME?      kUSD
Annual Profit per Installation Cost   #NAME?      %




                                                                   Page 10
               plots




 status   0
status1   1
status2   1
status3   1
status4   1




              Page 11
                                                                                        control




100                                                                         0             1             1                    Specifications         P
                                                                                                                                                  4.2 bar
           To                                             Feed Exchanger
                                                                                                                              Tech Data
 50        Tf                             Tc     Refrigeration Evaporator                                                                          Ti
            Tw1                                   Refrigeration Condenser                                                     Econ Data          25.0 C
           Ti                      Tw2
                  Two                      Two            Air Compressor
                               T                                                                                                                     T
  0
                                                 Refrigeration Compressor                                                                        -12.8 C
                          Te
                                                                                                        Tw2= 33.6 C                               Tc
-50                                                                             Fc= #### C                                                       43.6 C
      0                                              100
                                                      Two=         15 C                                         Tc= 43.6 C
                                                                                                                                                   Te
                                                                                          Ac= #### m2
                                                                                                                                                 -22.8 C
                    Ceq    ####    kUSD                                                   Qc= #### kW
  FlowSheet                                                                                                     Er= #### C
                    Cop    ####    kUSD
                    Cac    ####    kUSD                                                                                                          Tw1
          t(h)        S    ####    kUSD Tw1= 44.2 C                     Fw= #### kg/s     Fr= ####                                               44.2 C
                     R.    ####    %                                                      Te= -23 C
          Cost                     Ef= #### kW                                                                               X= #### kg/kg       Tw2
                                                                                                                                                 33.6 C
  Economics
                                                 To= 75.5 C          Ti=             25 C                   P= 4.15 bar
                            F=     1.0   kg/s              Af= #### m2                   Ae= #### m2        T= -13 C
      Screen               Xf=     0.1   kg/kg             Qf= #### kW                   Qe= #### kW                                           process
      Mode                 Pf=     1.0   bar                                                                              Fp= #### kg/s
                           Tf=      50   C                                                                                                    optimizer
          Quit




                                                                                      Page 12
control




Page 13

								
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