TM

MM MM AAAAAA X X

M M M M A A X X THE EVERYDAY

M M M AAAAAA X PC PROCESS SIMULATOR

M M A A X X

M M A A X X

RUN ID : MAX1

DEST

RELEASE: 1.1 FEBRUARY 20, 1998

SERIAL NUMBER:20658 FRIDAY

9:51:26 A.M.

THIS COPY OF MAX LICENSED TO

LTH

FOR: Kemiteknik

MAX IS A TRADEMARK OF HOTLINE:

ASPEN TECHNOLOGY, INC. U.S.A. 617/577-0337

TEN CANAL PARK EUROPE (32) 2/732-6300

CAMBRIDGE, MASSACHUSETTS 02141, U.S.A.

617/577-0100

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE I

DEST

TABLE OF CONTENTS

SIMULATION INFORMATION SECTION................. 1

BLOCK STATUS.............................. 1

FLOWSHEET SECTION.............................. 2

FLOWSHEET CONNECTIVITY BY STREAMS......... 2

FLOWSHEET CONNECTIVITY BY BLOCKS.......... 2

CONVERGENCE STATUS SUMMARY................ 2

DESIGN-SPEC: BOT......................... 2

DESIGN-SPEC: DES......................... 2

CONVERGENCE BLOCK: $OLVER01.............. 3

CONVERGENCE BLOCK: $OLVER02.............. 3

COMPUTATIONAL SEQUENCE.................... 4

OVERALL FLOWSHEET BALANCE................. 4

PHYSICAL PROPERTIES SECTION.................... 5

COMPONENTS................................ 5

U-O-S BLOCK SECTION............................ 6

BLOCK: B15 MODEL: HEATER............ 6

BLOCK: DESTKOLO MODEL: DSTWU............. 6

BLOCK: PUMP MODEL: PUMP.............. 7

STREAM SECTION................................. 9

7 BOTTEN DEST DESTFEED FEED............... 9

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 1

DEST

SIMULATION INFORMATION SECTION

BLOCK STATUS

------------

****************************************************************************

* *

* ALL UNIT OPERATION BLOCKS WERE COMPLETED NORMALLY *

* *

* ALL CONVERGENCE BLOCKS WERE COMPLETED NORMALLY *

* *

****************************************************************************

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 2

DEST

FLOWSHEET SECTION

FLOWSHEET CONNECTIVITY BY STREAMS

---------------------------------

STREAM SOURCE DEST STREAM SOURCE DEST

FEED ---- PUMP DEST DESTKOLO ----

BOTTEN DESTKOLO ---- DESTFEED B15 DESTKOLO

7 PUMP B15

FLOWSHEET CONNECTIVITY BY BLOCKS

--------------------------------

BLOCK INLETS OUTLETS

DESTKOLO DESTFEED DEST BOTTEN

B15 7 DESTFEED

PUMP FEED 7

CONVERGENCE STATUS SUMMARY

--------------------------

DESIGN-SPEC SUMMARY

===================

DESIGN CONV

SPEC ERROR TOLERANCE ERR/TOL VARIABLE STAT BLOCK

------ ----- --------- ------- -------- ---- -----

BOT -0.31534E-03 0.10000E-02 -0.31534 0.79196 # $OLVER01

DES 0.39536E-04 0.10000E-02 0.39536E-01 0.64660E-01 # $OLVER02

# = CONVERGED

* = NOT CONVERGED

LB = AT LOWER BOUNDS

UB = AT UPPER BOUNDS

DESIGN-SPEC: BOT

-----------------

SAMPLED VARIABLES:

XC1 : C1 MOLEFRAC IN STREAM BOTTEN

XC2 : C2 MOLEFRAC IN STREAM BOTTEN

XC3 : C3 MOLEFRAC IN STREAM BOTTEN

SPECIFICATION:

MAKE XC1+XC2+XC3 APPROACH 0.10000

WITHIN 0.0010000

MANIPULATED VARIABLES:

VARY : SENTENCE=PARAM VARIABLE=RECOVL IN UOS BLOCK DESTKOLO

LOWER LIMIT = 0.030000

UPPER LIMIT = 0.96000

FINAL VALUE = 0.79196

DESIGN-SPEC: DES

-----------------

SAMPLED VARIABLES:

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 3

DEST

FLOWSHEET SECTION

DESIGN-SPEC: DES (CONTINUED)

XC1 : C1 MASSFRAC IN STREAM BOTTEN

XC2 : C2 MOLEFRAC IN STREAM BOTTEN

XC3 : C3 MOLEFRAC IN STREAM BOTTEN

XC4I : I-C4 MOLEFRAC IN STREAM DEST

XC4N : N-C4 MOLEFRAC IN STREAM DEST

XC5I : I-C5 MOLEFRAC IN STREAM DEST

XC5N : N-C5 MOLEFRAC IN STREAM DEST

SPECIFICATION:

MAKE XC4I+XC4N+XC5I+XC5N APPROACH 0.050000

WITHIN 0.0010000

MANIPULATED VARIABLES:

VARY : SENTENCE=PARAM VARIABLE=RECOVH IN UOS BLOCK DESTKOLO

LOWER LIMIT = 0.030000

UPPER LIMIT = 0.95000

FINAL VALUE = 0.064660

CONVERGENCE BLOCK: $OLVER01

----------------------------

SPECS: BOT

MAXIT= 30 STEP-SIZE= 100.00 % OF RANGE

MAX-STEP= 100. % OF RANGE

XTOL= 1.000000E-08

THE NEW ALGORITHM WAS USED WITH BRACKETING=NO .

METHOD: SECANT STATUS: CONVERGED

TOTAL NUMBER OF ITERATIONS: 7

NUMBER OF ITERATIONS ON LAST OUTER LOOP: 1

*** FINAL VALUES ***

VARIABLE VALUE PREV VALUE ERR/TOL

BLOCK-VAR 0.7919557D+00 0.7919557D+00 -.3153438D+00

*** ITERATION HISTORY ***

DESIGN-SPEC ID: BOT

ITERATION VARIABLE ERROR ERR/TOL

--------- -------- ----- -------

1 0.7920 -0.3153E-03 -0.3153

CONVERGENCE BLOCK: $OLVER02

----------------------------

SPECS: DES

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 4

DEST

FLOWSHEET SECTION

CONVERGENCE BLOCK: $OLVER02 (CONTINUED)

MAXIT= 30 STEP-SIZE= 100.00 % OF RANGE

MAX-STEP= 100. % OF RANGE

XTOL= 1.000000E-08

THE NEW ALGORITHM WAS USED WITH BRACKETING=NO .

METHOD: SECANT STATUS: CONVERGED

TOTAL NUMBER OF ITERATIONS: 3

*** FINAL VALUES ***

VARIABLE VALUE PREV VALUE ERR/TOL

BLOCK-VAR 0.6466014D-01 0.6466014D-01 0.3953609D-01

*** ITERATION HISTORY ***

DESIGN-SPEC ID: DES

ITERATION VARIABLE ERROR ERR/TOL

--------- -------- ----- -------

1 0.7000E-01 0.4588E-02 4.588

2 0.7920E-01 0.1249E-01 12.49

3 0.6466E-01 0.3954E-04 0.3954E-01

COMPUTATIONAL SEQUENCE

----------------------

SEQUENCE USED WAS:

PUMP B15 $OLVER02 $OLVER01 DESTKOLO $OLVER01<--- $OLVER02<---

OVERALL FLOWSHEET BALANCE

-------------------------

*** MASS AND ENERGY BALANCE ***

IN OUT RELATIVE DIFF.

CONVENTIONAL COMPONENTS (KMOL/HR )

C1 4.31000 4.31000 0.000000E+00

C2 38.7900 38.7900 0.000000E+00

C3 131.886 131.886 0.000000E+00

I-C4 65.0810 65.0810 0.000000E+00

N-C4 179.727 179.727 0.000000E+00

I-C5 9.48200 9.48200 0.000000E+00

N-C5 1.72400 1.72400 0.000000E+00

TOTAL BALANCE

MOLE(KMOL/HR ) 431.000 431.000 0.000000E+00

MASS(KG/HR ) 22088.8 22088.8 0.000000E+00

ENTHALPY(WATT ) -0.161030E+08 -0.153785E+08 -0.449880E-01

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 5

DEST

PHYSICAL PROPERTIES SECTION

COMPONENTS

----------

ID FORMULA DATABANK NAME

C1 CH4 METHANE

C2 C2H6 ETHANE

C3 C3H8 PROPANE

I-C4 C4H10-2 ISOBUTANE

N-C4 C4H10-1 N-BUTANE

I-C5 C5H12-2 2-METHYL-BUTANE

N-C5 C5H12-1 N-PENTANE

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 6

DEST

U-O-S BLOCK SECTION

BLOCK: B15 MODEL: HEATER

------------------------------

INLET STREAM: 7

OUTLET STREAM: DESTFEED

PROPERTY OPTION SET: RK-SOAVE REDLICH-KWONG-SOAVE EQUATION OF STATE

*** MASS AND ENERGY BALANCE ***

IN OUT RELATIVE DIFF.

TOTAL BALANCE

MOLE(KMOL/HR ) 431.000 431.000 0.000000E+00

MASS(KG/HR ) 22088.8 22088.8 0.000000E+00

ENTHALPY(WATT ) -0.160930E+08 -0.155430E+08 -0.341764E-01

*** INPUT DATA ***

TWO PHASE PQ FLASH

SPECIFIED PRESSURE BAR 18.0000

SPECIFIED HEAT DUTY WATT 550,000.

MAXIMUM NO. ITERATIONS 30

CONVERGENCE TOLERANCE 0.00010000

*** RESULTS ***

OUTLET TEMPERATURE C 64.583

OUTLET PRESSURE BAR 18.000

VAPOR FRACTION 0.24899E-01

V-L PHASE EQUILIBRIUM :

COMP F(I) X(I) Y(I) K(I)

C1 0.10000E-01 0.84273E-02 0.71591E-01 8.4953

C2 0.90000E-01 0.86212E-01 0.23835 2.7647

C3 0.30600 0.30454 0.36329 1.1929

I-C4 0.15100 0.15236 0.97675E-01 0.64106

N-C4 0.41700 0.42199 0.22157 0.52505

I-C5 0.22000E-01 0.22397E-01 0.64576E-02 0.28832

N-C5 0.40000E-02 0.40748E-02 0.10720E-02 0.26307

BLOCK: DESTKOLO MODEL: DSTWU

-----------------------------

INLET STREAM: DESTFEED

CONDENSER OUTLET: DEST

REBOILER OUTLET: BOTTEN

PROPERTY OPTION SET: RK-SOAVE REDLICH-KWONG-SOAVE EQUATION OF STATE

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 7

DEST

U-O-S BLOCK SECTION

BLOCK: DESTKOLO MODEL: DSTWU (CONTINUED)

*** MASS AND ENERGY BALANCE ***

IN OUT RELATIVE DIFF.

TOTAL BALANCE

MOLE(KMOL/HR ) 431.000 431.000 0.000000E+00

MASS(KG/HR ) 22088.8 22088.8 0.000000E+00

ENTHALPY(WATT ) -0.155430E+08 -0.153785E+08 -0.105808E-01

*** INPUT DATA ***

HEAVY KEY COMPONENT I-C4

RECOVERY FOR HEAVY KEY 0.064660

LIGHT KEY COMPONENT C3

RECOVERY FOR LIGHT KEY 0.79196

TOP STAGE PRESSURE (BAR ) 16.7000

BOTTOM STAGE PRESSURE (BAR ) 18.0000

REFLUX RATIO -1.40000

DISTILLATE VAPOR FRACTION 0.0

*** RESULTS ***

DISTILLATE TEMP. (C ) 14.8102

BOTTOM TEMP. (C ) 98.8104

MINIMUM REFLUX RATIO 1.41146

ACTUAL REFLUX RATIO 1.97605

MINIMUM STAGES 7.05725

ACTUAL EQUILIBRIUM STAGES 13.1586

NUMBER OF ACTUAL STAGES ABOVE FEED 7.87286

DIST. VS FEED 0.36025

CONDENSER COOLING REQUIRED (WATT ) 1,726,410.

NET CONDENSER DUTY (WATT ) -1,726,410.

REBOILER HEATING REQUIRED (WATT ) 1,890,870.

NET REBOILER DUTY (WATT ) 1,890,870.

BLOCK: PUMP MODEL: PUMP

----------------------------

INLET STREAM: FEED

OUTLET STREAM: 7

PROPERTY OPTION SET: RK-SOAVE REDLICH-KWONG-SOAVE EQUATION OF STATE

*** MASS AND ENERGY BALANCE ***

IN OUT RELATIVE DIFF.

TOTAL BALANCE

MOLE(KMOL/HR ) 431.000 431.000 0.000000E+00

MASS(KG/HR ) 22088.8 22088.8 0.000000E+00

ENTHALPY(WATT ) -0.161030E+08 -0.160930E+08 -0.619987E-03

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 8

DEST

U-O-S BLOCK SECTION

BLOCK: PUMP MODEL: PUMP (CONTINUED)

*** INPUT DATA ***

OUTLET PRESSURE (BAR ) 18.0000

DRIVER EFFICIENCY 1.00000

FLASH SPECIFICATIONS:

LIQUID PHASE CALCULATION

NO FLASH PERFORMED

MAXIMUM NUMBER OF ITERATIONS 30

TOLERANCE 0.00010000

*** RESULTS ***

VOLUMETRIC FLOW RATE (CUM/SEC ) 0.011738

PRESSURE CHANGE (BAR ) 5.20000

FLUID POWER (WATT ) 6,103.58

BRAKE POWER (WATT ) 9,983.62

ELECTRICITY (WATT ) 9,983.62

PUMP EFFICIENCY USED 0.61136

NET WORK (WATT ) -9,983.62

MAX REL: 1.1 RUN ID: MAX1 SER# 20658 02/20/98 PAGE 9

DEST

STREAM SECTION

7 BOTTEN DEST DESTFEED FEED

---------------------------

STREAM ID 7 BOTTEN DEST DESTFEED FEED

FROM : PUMP DESTKOLO DESTKOLO B15 ----

TO : B15 ---- ---- DESTKOLO PUMP

PHASE: LIQUID LIQUID LIQUID MIXED LIQUID

COMPONENTS: KMOL/HR

C1 4.3100 4.1604-06 4.3100 4.3100 4.3100

C2 38.7900 4.7963-02 38.7420 38.7900 38.7900

C3 131.8860 27.4381 104.4478 131.8860 131.8860

I-C4 65.0810 60.8728 4.2081 65.0810 65.0810

N-C4 179.7270 176.1701 3.5568 179.7270 179.7270

I-C5 9.4820 9.4778 4.1892-03 9.4820 9.4820

N-C5 1.7240 1.7235 4.2680-04 1.7240 1.7240

COMPONENTS: MOLE FRAC

C1 1.0000-02 1.5089-08 2.7758-02 1.0000-02 1.0000-02

C2 9.0000-02 1.7395-04 0.2495 9.0000-02 9.0000-02

C3 0.3060 9.9511-02 0.6726 0.3060 0.3060

I-C4 0.1510 0.2207 2.7102-02 0.1510 0.1510

N-C4 0.4170 0.6389 2.2908-02 0.4170 0.4170

I-C5 2.2000-02 3.4373-02 2.6980-05 2.2000-02 2.2000-02

N-C5 4.0000-03 6.2509-03 2.7488-06 4.0000-03 4.0000-03

TOTAL FLOW:

KMOL/HR 431.0000 275.7304 155.2695 431.0000 431.0000

KG/HR 2.2089+04 1.5797+04 6291.5485 2.2089+04 2.2089+04

CUM/SEC 1.1757-02 9.6421-03 3.6290-03 1.6186-02 1.1738-02

STATE VARIABLES:

TEMP C 35.6192 98.8103 14.8101 64.5834 35.0000

PRES BAR 18.0000 18.0000 16.7000 18.0000 12.8000

VFRAC 0.0 0.0 0.0 2.4899-02 0.0

LFRAC 1.0000 1.0000 1.0000 0.9751 1.0000

SFRAC 0.0 0.0 0.0 0.0 0.0

ENTHALPY:

J/KMOL -1.3442+08 -1.3560+08 -1.1576+08 -1.2983+08 -1.3450+08

J/KG -2.6228+06 -2.3667+06 -2.8569+06 -2.5332+06 -2.6244+06

WATT -1.6093+07 -1.0386+07 -4.9929+06 -1.5543+07 -1.6103+07

DENSITY:

KMOL/CUM 10.1830 7.9434 11.8849 7.3968 10.1998

KG/CUM 521.8814 455.1024 481.5797 379.0902 522.7444

AVG MW 51.2502 57.2925 40.5201 51.2502 51.2502