lampiran b gliserol be1lum fix

7/25/2019 Lampiran b Gliserol Be1lum Fix

1/26

LAMPIRAN B

PERHITUNGAN NERACA PANAS

Basis perhitungan : 1 jam operasi

Satuan operasi : kJ/jam

Temperatur referensi : 25 C = 29815 !

"eru#ahan panas pa$a peran%angan ini terja$i pa$a pera&atan :

1' Heater ()*+1,

2' !o&om -i$ro&isa (!-*+1,

.' Flash Tank sam 0emak (T*+1,

' Cooler3 ()*+2,

5' Flash Tank 4&isero& (T*+2,

' )6aporator 3 ()7*+1,

' )6aporator 33 ()7*+2,

8' Cooler33 ()*+.,

era%a panas ini menggunakan rumus*rumus perhitungan se#agai #erikut:

* "erhitungan panas ang masuk $an ke&uar (Smith $kk' 2++5,

=

==T

!15298Tref

$T'Cp'n-;

* "erhitungan panas penguapan (Smith $kk' 2++5,

70-'n;=

* "erhitungan panas untuk sistem ang me&i#atkan peru#ahan fasa (


2/26

Ta#e& 0B'1 >ata !onstanta Cp (J/mo&'!, Be#erapa Sena?a

Sena?a a B C $ e

-2@ (&, 1829 2118'1+*1 *1..88'1+*. 1.12'1+* *

-2@ (g, .+1 *95+'1+

*.

.2998.'1+

*5

*2+'1+

*8

.+228'1+

*12

Sum#er:


3/26

= (21, 1 (2+92, (.+.8, . (.82, . (+,

= 1'8+ J/mo&'!

Cp Trig&iseri$a = &Cp'

= ++51 (1'2895, ++9.9 (1'5+11, +12+ (1'8.2.9,

+18+. (1'8+,

= 1'.. J/mo&'!

LB.1.$ Perhitungan Esti!asi Cp Asa! Le!a%

sam 0ino&eat (C18-.2@2,

Cp& = (*C-=, 12 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= (21, 12 (.+.8, 1 (.82, 1 (991,

= 58.. J/mo&'!

sam "a&mitat (C1-.2@2,

Cp& = 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 1 (.+.8, 1 (.82, 1 (991,

= 52+5 J/mo&'!

sam Stearat (C18-.@2,

Cp& = 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 1 (.+.8, 1 (.82, 1 (991,

= +.81 J/mo&'!

sam @&eat (C18-.@2,

Cp& = 2 (*C-=, 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 2 (21, 1 (.+.8, 1 (.82, 1 (991,

= 5855 J/mo&'!

Cp sam 0emak = &Cp'

= ++51 (58.., ++9.9 (52+5,

+12+ (+.81, +18+. (5855,

= 5.25 J/mo&'!

LB.1.& Perhitungan Esti!asi Cp G"iser'"


4/26

Cp g&isero& = 1 (*C-*, 2 (*C-2*, . (*@-,

= 1 (2+92, 2 (.+.8, . (,

= 21599 J/mo&'!

LB.$ Perhitungan Esti!asi H')($*+(%,-!'"

"erhitungan estimasi A-of(kJ/mo&, $engan menggunakan meto$e Jo#a%k $apat

$ipero&eh $ari Ta#e& 2*.88 "err (1999,' "ersamaan ang $igunakan a$a&ah se#agai

#erikut:

A-of= 829 ii -'

Ta#e& 0B'. !ontri#usi 4ugus untuk )stimasi A-of 298

4ugus (kJ/mo&,

*C-= *9.

*C-* 2989

*C-2* *2+

*C-.* *5

*@- *2+8+

*C@@* *..92

*C@@- *22

Sum#er: "err (1999,

LB.$.1Perhitungan Esti!asi H') ($*+ Trig"iseri#a

Tri 0ino&eat (C5-98@, : +51

A-of = 82912(*C-=,1(*C-*,.8(*C-2*,.(*C-.*,.(*C@@*,

= 82912(*9.,1(2989,.8(*2+,.(*5,.(*..92,

= *2'+81 kJ/mo&

Tri "a&mitat (C51-98@2, : 9.9

A-of = 829 1 (*C-*, (*C-2*, . (*C-.*, . (*C@@*,

= 829 1 (2989, (*2+, . (*5, . (*..92,

= *1'5.+9 kJ/mo&

Tri Stearat (C5-11+@, : 12+

A-of = 829 1 (*C-*, 5+ (*C-2*, . (*C-.*, . (*C@@*,

= 829 1 (2989, 5+ (*2+, . (*5, . (*..92,

= *2'19. kJ/mo&

Tri @&eat (C5-1+@, : 18+.


5/26

A-of = 829(*C-=,1(*C-*,(*C-2*,.(*C-.*,.(*C@@*,

= 829(*9.,1(2989,(*2+,.(*5,.(*..92,

= *2'11+8 kJ/mo&

A-ofTrig&iseri$a = fo-'

= ++51 (*1'2895, ++9.9 (*1'5+11,

+12+ (*1'8.2.9, +18+. (*1'8+,

= *2'+.J/mo&'!

LB.$.$ Perhitungan Esti!asi H') ($*+Asa! Le!a%

sam 0ino&eat (C18-.2@2,

A-of = 829 (*C-=, 12 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 829 (*9., 12 (*2+, 1 (*5, 1 (*22,

= *21+8 kJ/mo&

sam "a&mitat (C1-.2@2,

A-of = 829 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 829 1 (*2+, 1 (*5, 1 (*22,

= *2.8 kJ/mo&

sam Stearat (C18-.@2,

A-of = 829 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 829 1 (*2+, 1 (*5, 1 (*22,

= *12 kJ/mo&

sam @&eat (C18-.@2,

A-of = 829 2 (*C-=, 1 (*C-2*, 1 (*C-.*, 1 (*C@@-*,

= 829 2 (*9., 1 (*2+, 1 (*5, 1 (*22,

= *.1+ kJ/mo&

A-ofsam 0emak = f-'

= ++51 (*21+8, ++9.9 (*2.8,

+12+ (*12, +18+. (*.1+,

= *.221 kJ/mo&

LB.$.& Perhitungan Esti!asi H')G"iser'"


6/26

A-ofg&isero& = 1 (*C-*, 2 (*C-2*, . (*@-,

= 1 (2989, 2 (*2+, . (*2+8+,

= *522 kJ/mo&

LB.& Neraa Panas pa#aHeater (E/01

Temperatur #ahan masuk = .+ C = .+.15 !

Temperatur #ahan ke&uar = 1++ C = ..15 !

Neraa Panas T'ta"

"anas masuk "anassteam= "anas !e&uar

;1 ;Steam = ;2

Ta#e& 0B' !omposisi Trig&iseri$a

Trig"iseri#a K'!p'sisiMassa Trig"iseri#a

(%g-a!

!

(%g-a!

BM

(%g-%!'"

n

(%!'"-a!Tri 0ino&eat ++51

5'9928+

+'12. 891 5.

Tri "a&mitat ++9.9 5'1.2 8+.5 +8

Tri Stearat +12+ 8'11.8+ 89151 91+

Tri @&eat +18+. 12'+.8+5 885 1.+

T'ta" 23450

a' "anas ang masuk (;1, pa$a suhu .+ C

; = n ' Cp ' DT

&ur 1

;1T4 = n1

T4E Cp T4E T

HEATER

Trig&iseri$a

ir

T = .+ C

1 2

Steam

T = 12+ C

Trig&iseri$a

ir

T = 1++ C

!on$ensat

T = 1++ C


7/26

= 8+ kmo&/jam ' 1'..kJ/kmo&'! ' (.+.15 F 29815, !

= 52'+18 kJ/jam

;1air = =

=

!15.+.T

!15298Tref

&air1 $TCpEn

= 1 kmo&/jam E .1 kJ/kmo&

= 2'8+9 kJ/jam

#' "anas ang ke&uar (;out, pa$a suhu 1++ C

&ur 2

;2T4 = n1

T4E CpT4E T

= 8+ kmo&/jam E 1'..kJ/kmo&'!' (..15 F 29815, !

= 9'8+'2812 kJ/jam

;2air = =

=

KT

KTref

lair dTCpn15..

15298

2 E

= 1 kmo&/jam E .1kJ/kmo&

= .+'2.kJ/jam

;Steam = ;outF ;in

= (9'8+'2812 F .+'2., kJ/Jam

= 9'+8'1+51. kJ/Jam

Steamang $igunakan pa$a heater a$a&ah superheated steamang $ia&irkan

$ari e6aporator 3 $engan suhu 12+ C (.9.15 !, $an ke&uar se#agai kon$ensat pa$a

suhu 1++ C (..15 !,' >ari Ta#e& '2 untuksuperheated steamSmith $kk' (2++5,

$iketahui $ata #erikut:

- (12+ C, = 2'1.2 kJ/kg

-7(1++ C, = 2'++ kJ/kg

-0(1++ C, = 19+ kJ/kg

!an$ungan panassteam:

G = H- (12+ C, F - (1++ C,I H-7(1++ C, F -0(1++ C,I

= 2'52 kJ/kg

Banaknasteamang $iper&ukan :

m =G

;

=kJ/jam2'52

kJ/jam1.9'+8'1+5= .'8.+29 kg/jam

Ta#e& 0B'5 era%a "anas pa$aHeater()*+1,

K'!p'nenMasu% (%,-a! Ke"uar (%,-a!

1 $


8/26

Trig&iseri$a 52'+18 9'8+'2812

ir 2'8+9 .+'2.

Steam 9'+8'1+51.

T'ta" 1+'+8'9+8 1+'+8'9+8

LB.5 Neraa Panas pa#a K'"'! Hi#r'"isa (KH/01

Temperatur #ahan masuk = 1++ C = ..15 !

Temperatur #ahan ke&uar = 255 C = 52815 !

Neraa Panas T'ta"

"anas masuk "anassteam "anas


9/26

Ta#e& 0B' !omposisi Trig&iseri$a ang !e&uar $ari !o&om -i$ro&isa(!-*+1, &ur

Trig"iseri#a K'!p'sisiMassa Trig"iseri#a

(%g-a!

!

(%g-a!

BM

(%g-%!'"

n

(%!'"-a!Tri 0ino&eat ++51

1.199

98 891 ++9

Tri "a&mitat ++9.9 12.9 8+.5 ++2

Tri Stearat +12+ 159. 89151 ++2

Tri @&eat +18+. 2.8+ 885 ++.

T'ta" 0413

Ta#e& 0B'8 !omposisi sam 0emak ang !e&uar $ari !o&om -i$ro&isa(!-*+1,

Asa! Le!a% K'!p'sisiMassa Asa!

Le!a%

!

(%g-a!

BM

(%g-%!'"

n

(%!'"-a!

sam 0ino&eat ++51

2'925.

.812. 28+5 1.8.

sam "a&mitat ++9.9 588+5 25. 2288

sam Stearat +12+ 882 289 258

sam @&eat +18+. 11188 282 19

T'ta" $$642+

a' "anas ang masuk (;in,; = n E Cp E DT

&ur 2

;2T4 = 9'8+'2812 kJ/jam

;2ir = .+'2. kJ/jam

&ur 19

;19T4 = n19

T4CpT4DT

= ++ kmo&/jam 1'..kJ/kmo&'! (..15 * 29815, !

= 8'8.2 kJ/jam

&ur .

ir proses masuk pa$a suhu .+ C

;.air = =

=

!15.+.T

!15298Tref

&air. $T'CpEn

= 1 kmo&/jam .1 kJ/kmo&

= .+'2. kJ/jam


10/26

;in = ;2T4 ;

2ir ;19T4 ;

.air

= (9'8+'2812 .+'2. 8'8.2 .+'2., kJ/jam,

= 88'9'2.1kJ/Jam

#' "anas ang ke&uar (;out, pa$a suhu 25+ C

&ur

;T4 = nT4Cp T4DT

= +22 kmo&/jam 1'..kJ/kmo&'! (52.15 * 29815, !

= 8'2.8 kJ/jam

;4&isero& = n4&isero&Cp 4&isero&DT

= 215 kmo&/jam 21599 kJ/kmo&'! (52.15 * 29815, !

= 1'.19'2++1 kJ/jam

;ir =

++

!1552.

!15..

670

!15..

!15.+.

&air

$TCp-$TCpEn

= [ ]kmo&

kJ+15+'1+2+5'+129'5E

jam

kmo&51 ++

= 2'+1'88 kJ/jam

&ur 5

;5T4 = n5T4Cp T4DT

= ++5 kmo&/jam 1'..kJ/kmo&'! (52.15 * 29815, !

= 2+'858. kJ/jam

;5

sam 0emak = n5

sam 0emak

Cp sam 0emak

DT= 81 kmo&/jam 5.59 kJ/kmo&'! (52.15 * 29815, !

= 1+'.2'2.1+ kJ/jam

;5ir =

++

!1552.

!15..

670

!15..

!15.+.

&air5 $TCp-$TCpn

= [ ]kmo&

kJ+15+'1+2+5'+129'5

jam

kmo&+ ++

= '9..'52+8. kJ/jam

;out = ;T4 ;

4&isero& ;ir ;

5T4 ;5sam 0emak ;

5ir

= (8'2.8 1'.19'2++1 2'+1'88 2+'858.1+'.2'2.1+ '9..'52+8., kJ/jam

= 81'+8'12. kJ/Jam


11/26

r = 215 kmo&/jam

D-


12/26

= H*11'11'9. 8'9..'51.11I kJ/jam

= *2'181'1.25 kJ/jam

;Steam = ;out*$t

$;F ;in

= H81'+8'12. F (*2'181'1.25, F 2'88'8.I kJ/jam

= 8+'..1'198.2 kJ/Jam

nvcc

Steamang $igunakan a$a&ahsuperheated steampa$a suhu 28+ C (55.15 !,

$an ke&uar se#agaisuperheated steampa$a suhu 2+ C (5..15 !,' >ari Ta#e& '2

untuksuperheated steamSmith $kk' (2++5, $iketahui $ata #erikut:

- (28+ C, = .'+. kJ/kg

- (2+ C, = 2'998 kJ/kg!an$ungan panassteam:

D- = - (28+ C, F - (2+ C,

= (.'+. * 2'998, kJ/kg = .99 kJ/kg


m =-

;

=kJ/kg.99

kJ/jam.28+'..1'198= 2'+1+'29+25 kg/jam

Ta#e& 0B'9 era%a "anas pa$a !o&om -i$ro&isa (!-*+1,

K'!p'nen Masu% (%,-a! Ke"uar (%,-a!

$ & 1* 5 3

C"@ 9'8+'2812 8'8.2 21'89. 18'+.

ir .+'2. 58'8982. 9'92.'.+8.8 5'5'+.2

sam 0emak 29'52'2.182

4&isero& .'+8'181

Steam +'595'2+

"anas


13/26

Temperatur #ahan masuk = 25+ C = 52.15 !

Temperatur #ahan ke&uar = 11+ C = .8.15 !

Neraa Panas T'ta"

"anas masuk = "anas !e&uar

;5 = ; ;

a' "anas ang masuk (;in, pa$a suhu 25+ C

&ur 5

;5T4 = 2+'858. kJ/jam

;5sam 0emak = 1+'.2'2.1+ kJ/jam

;5ir = '9..'52+8. kJ/jam

;in = ;5T4 ;

5sam 0emak ;5ir

= 1'28+'929 kJ/jam


&ur

;ir = =

=

!15.8.T

!15298Tref

6air $TCpn

= .'8 kmo&/jam E .5'29 kJ/kmo&

= 1'299'85+8 kJ/jam

&ur

;ir = =

=

!15.8.T

!15298Tref

6air $TCpn

= 921 kmo&/jam E .5'29 kJ/kmo&

= .2'9.52 kJ/jam;T4 = n

T4E Cp T4E DT

= ++5 kmo&/jam E 1'..kJ/kmo&'! E (.8.15 * 29815, !

= '99225 kJ/jam

;sam 0emak = nsam 0emakE Cp sam 0emakE DT

= 81 kmo&/jam E 5.59 kJ/kmo&'! E (.8.15 * 29815, !

= .'9+1'2+51 kJ/jam

;out = ;ir ;

ir ;T4 ;

sam 0emak

= 5'5.'+1. kJ/jam

;&oss = ;inF ;out

= (1'28+'929 * 5'5.'+1., kJ/jam

FLASH TANK

S 0)!

5

sam 0emak

Trig&iseri$a

ir

T = 25+ C

sam 0emak

Trig&iseri$a

ir

T = 11+ C


14/26

= 11''91.1 kJ/jam

Ta#e& 0B'1+ era%a "anas pa$aFlash Tanksam 0emak (T*+1,


3 6 2

sam 0emak 1+'.2'2.1+ .'9+1'2+51

ir '9..'52+8. 1'299'85+8 .2'9.52

Trig&iseri$a 2+'858. '99225

;&oss 11''91.1

Su7 T'ta" 12.$+0.*$*426 1$.62$.156415 5.$13.2504*2

T'ta" 12.$+0.*$*426 12.$+0.*$*426


15/26

LB.6 Neraa Panas pa#a Cooler(E/0$

Temperatur #ahan masuk = 11+ C = .8.15 !

Temperatur #ahan ke&uar = .+ C = .+.15 !

Neraa Panas T'ta"

"anas masuk = "anas ang $iserap ir "en$ingin "anas !e&uar

; = ;air pen$ingin ;8


; = n E Cp E DT

&ur

;ir = .2'9.52 kJ/jam

;T4 = '99225 kJ/jam

;sam 0emak = .'9+1'2+51 kJ/jam

;in = ;T4 ;

sam 0emak ;ir

= '2.'1228 kJ/jam

#' "anas ang ke&uar (;out, pa$a suhu .+ C&ur 8

;8ir = =

=

!15.+.T

!15298Tref

&air8 $T'CpEn

= 921 kmo&/jam E .1 kJ/kmo&

= .'528 kJ/jam

;8T4 = n8T4E Cp T4E DT

= ++5 kmo&/jam E 1'..kJ/kmo&'! E (.+.15 * 29815, !

= 2'82+8+ kJ/jam

;8sam 0emak = n8sam 0emakE Cp sam 0emakE DT

= 81 kmo&/jam E 5.59 kJ/kmo&'! E (.+.15 * 29815, !

ir "en$ingin Bekas

CLER

5+ oC

8

sam 0emakir

Trig&iseri$a

T = 11+ C

sam 0emak

ir

Trig&iseri$a

T = .+ C

ir "en$ingin

25

o

C


16/26

= 1'.'891 kJ/jam

;out = ;8T4 ;

8sam 0emak ;8ir

= 2.'2+22 kJ/jam

"anas ang $iserap air pen$ingin :

;s = ;in* ;out

= ('215'+9 F 1'.8.'1989, kJ/jam

= 2'85+'992.9kJ/jam

ir pen$ingin ang $igunakan a$a&ah air $engan suhu .+ C $an ke&uar

se#agai air pen$ingin #ekas pa$a suhu 5+ C' >ari Ta#e& '1 Smith $kk' (2++5,


- (25C, = $T(&,Cp29815

29815 = 1+89 kJ/kg

- (5+C, = $T(&,Cp.2.15

29815

= 2+9.+ kJ/kg

D- = - (5+ C, F - (.+ C,

= 2+9.+ kJ/kg F 1+89 kJ/kg

= 1+1 kJ/kg

Jum&ah air pen$ingin ang $iper&ukan :

m = -

;

=kJ/kg1+1

kJ/jam.92'85+'992

= 2'.+5 kg/jam

Ta#e& 0B'11 era%a "anas pa$a Cooler()*+2,


2 +

ir .2'9.52 .'528

sam 0emak .'9+1'2+51 1'.'891

Trig&iseri$a '9925 2'82+8+

ir "en$ingin 2'85+'992.9

T'ta" 5.$13.2504*2 5.$13.2504*2

LB. 2 Neraa Panas Pa#a Flash TankG"iser'" (8T 9 0$

4&isero&

ir

Trig&iseri$a

T = 11+ oC

" = 1 atm

FLASH TANK403S)


17/26

Temperatur #ahan masuk = 25+ C = 52.15 !


Neraa Panas T'ta"

"anas masuk = "anas ke&uar

; = ;9 ;1+


&ur

;T4 = 8'2.8 kJ/jam

;g&isero& = 1'.19'2++1 kJ/jam

;ir = 2'+1'88 kJ/jam

Tota& "anas masuk

; = .'8+5'511 kJ/jam


&ur 9

;9ir = =

=

!15.8.T

!15298Tref

6air9 $T'CpEn

= (5'9'5 kg/jam / 18+2 kg/kmo&, E .2'29 kJ/kmo&

= ..12 kmo&/jam E .2'29 kJ/kmo&

= 11'98'82 kJ/jam

&ur 1+o& Trig&iseri$a ke&uar :

Tri 0ino&eat = 1929 kg/jam / 28+5 kg/kmo& = ++2 kmo&/jam

Tri iristat = .5 kg/jam / 228.8 kg/kmo& = ++1 kmo&/jam

Tri "a&mitat = 15 kg/jam / 25. kg/kmo& = ++9 kmo&/jam

Tri Stearat = 919 kg/jam / 289 kg/kmo& = ++1 kmo&/jam

Tri @&eat = 9 kg/jam / 282 kg/kmo& = ++9 kmo&/jam

Tota& mo& Trig&iseri$a = +22 kmo&/jam


18/26

;1+T4 = n1+T4E Cp T4E DT

= +22 kmo&/jamE1'..kJ/kmo&'!E(.8.15 ! F 29815 !,

= 1'.1 kJ/jam

;1+ir = =

=

!15.8.T

!15298Tref

6air1+ $TCpEn

= (1'9.9 kg/jam / 18+2 kg/kmo&, E .2'29 kJ/kmo&

= 829. kmo&/jam E .2'29 kJ/kmo&

= 2'92'18 kJ/jam

;1+4&isero& = n1+4&isero&E Cp 4&isero&E DT

= (25++ kg/jam / 92+9 kg/kmo& , E 21599 kJ/kmo&'! E

(.8.15 ! F 29815 !,

= 98'.5+ kJ/jam

Tota& "anas !e&uar = ;9 ;1+

= 11'98'82 kJ/jam .'2.'+.18 kJ/jam

= 15'121'229+ kJ/jam

"anas ang hi&ang ke &ingkungan

;&oss = ;in* ;out

= .'8+5'511 kJ/jam * 15'121'229+ kJ/jam

= 8'8.'885 kJ/jam

Ta#e& 0B'12 era%a "anas &ash Tank 4&isero& (T*+2,


5 * 10

ir 2'+1'88 11'98'82 2'92'18

4&isero& 1'.19'2++1 98'.5+

Trig&iseri$a 8'2.8 1'.1

; &oss 8'8.'885

Su7 T'ta" 6&.+03.311452 11.6*+.6+642$ 3$.15+.1*6451

T'ta" 6&.+03.311452 6&.+03.311452

LB. + Neraa Panas Pa#a E:ap'rat'r I (E;/01

)7"@


19/26


Temperatur #ahan ke&uar = 1++ C = ..15 !

Neraa Panas T'ta"


;1. ;Steam = ;1 ;15


&ur 1.

;1.g&isero& = n1.4&isero&E Cp 4&isero&E DT

= 115 kmo&/jam E 21599 kJ/kmo&'! E (.5.15 ! F 29815 !,

= 1.'5++++ kJ/jam

;1.air = =

=

!15.5.T

!15298Tref

6air1. $TCpEn

= 829. kmo&/jam E '1918 kJ/kmo&

= .'+891 kJ/jam

Tota& "anas masuk

;1. = ;1.g&isero& ;1.air

= 81'5891 kJ/jam

#' "anas ang ke&uar (;out, pa$a suhu 1++ C

&ur 1

;1air = =

=

!15..T

!15298Tref

6air1 $TCpEn

= (1'1.19 kg/jam / 18+2 kg/kmo&, E .+'252. kJ/kmo&


20/26

= 281 kmo&/jam E .+'252. kJ/kmo&

= 1'9++'.5+8 kJ/jam

&ur 15

;15air = =

=

!15..T

!15298Tref

6air15 $TCpEn

= (28 kg/jam / 18+2 kg/kmo&, E .+'252. kJ/kmo&

= '.8+2 kJ/jam

;15g&isero& = n154&isero&E Cp 4&isero&E DT

= 215 kmo&/jam E 21599 kJ/kmo&' ! E (..15 F 29815 !,

= 55'9951 kJ/jam

Tota& "anas !e&uar = ;1air ;15air ;15g&isero&

= .'+5'92'9+ kJ/jam

;Steam = ;outF ;in

= .'+5'92'9+ kJ/jam * 81'5891 kJ/jam

= 2'58'..5 kJ/jam

Steam ang $igunakan a$a&ah superheated steam ang $ia&irkan $ari ko&om

hi$ro&isa $engan suhu 2+ C (5..15 !, $an ke&uar se#agai superheated steampa$a

suhu 12+ C (.9.15 !,' >ari Ta#e& '2 untuksuperheated steamSmith $kk' (2++5,


- (2+ C, = 2'998 kJ/kg

- (12+ C, = 2'1.2 kJ/kg


D- = - (2+ C, F - (12+ C,

= (2'998 F 2'1.2, kJ/kg = 281 kJ/kg


m =-

;

=kJ/kg281

kJ/jam52'58'..= 9'29+9 kg/jam

Ta#e& 0B'1. era%a "anas )6aporator 3 ()7*+1,

K'!p'nen

Masu% (%,-a! Ke"uar (%,-a!

1& 15 13


21/26

ir .'+891 2'+2'5992 '.8+2

4&isero& 1.'5++++ 55'9951

Steam 2'58'..5

Su7 T'ta" $.05$.3**4$2 1.0$&.&6&465T'ta" &.063.*6$.*0 &.063.*6$.*0


22/26

LB. * Neraa Panas Pa#a E:ap'rat'r II (E;/0$

Temperatur #ahan masuk = 1++ C = ..15 !


Neraa Panas T'ta"


;15 ;Steam = ;1 ;1

a' "anas ang masuk (;in, pa$a suhu 1++ C&ur 15

;15g&isero& = .9'...8 kJ/jam

;15air = '.15 kJ/jam

Tota& "anas masuk

;15 = 1'+2.'.. kJ/jam


&ur 1

;1air = =

=

!15.9.T

!15298Tref

6air1 $TCpEn

= 1+1 kmo&/jam E +'5.+81 kJ/kmo&

= 5'98.+. kJ/jam

&ur 1

)7"@


23/26

;1air = =

=

!15.9.T

!15298Tref

6air1 $TCpEn

= 1+ kmo&/jam E .+'252. kJ/kmo&

= 5'98.+ kJ/jam

;1g&isero& = n1

4&isero&E Cp 4&isero&E DT

= 215 kmo&/jam E 21599 kJ/kmo&' ! E (.9.15 F 29815 !,

= .9'...8 kJ/jam

Tota& "anas !e&uar = ;1air ;1air ;

1g&isero&

= 1'+'511 kJ/jam

;Steam = ;outF ;in

= 1'+'511 kJ/jam F 1'+.'.. kJ/jam

= 1'151+8 kJ/jam

Steam ang $igunakan a$a&ah superheated steam ang $ia&irkan $ari ko&om

hi$ro&isa $engan suhu 2+ C (5..15 !, $an ke&uar se#agai superheated steampa$a

suhu 15+ C (2.15 !,' >ari Ta#e& '2 untuksuperheated steamSmith $kk' (2++5,


- (2+ C, = 2'998 kJ/kg

- (15+ C, = 2'2+ kJ/kg


D- = - (2+ C, F - (15+ C,

= (2'998 F 2'2+, kJ/kg = 21828 kJ/kg


m =-

;

=kJ/kg21828

kJ/jam1'151+8= 18852 kg/jam

Ta#e& 0B'1 era%a "anas )6aporator 33 ()7*+2,


1& 15 13

ir '.8+2 5'98.+. 5'98.+

4&isero& 55'9951 .9'...8

Steam 1'151+8

Su7 T'ta" 1.065.315421 362.*+&40& 5*6.3&146+


24/26

T'ta" 1.065.315421 1.065.315421

LB. 10 Neraa Panas pa#a C''"er (E/0&


Temperatur #ahan ke&uar = .+ C = .+.15 !

Neraa Panas T'ta"

"anas masuk = "anas ang $iserap ir "en$ingin "anas !e&uar;1 = ;air pen$ingin ;

18

a' "anas ang masuk pa$a suhu 12+ C

&ur 1

;1air = 5'98.+ kJ/jam

;1g&isero& = .9'...8 kJ/jam

era%a "anas asuk

;1 = 9'5.18 kJ/jam

#' "anas ang ke&uar pa$a suhu .+ C

&ur 18

;18ir= =

=

!15.+.T

!15298Tref

&air18 $TCpEn

= 1+ kmo&/jam E .1 kJ/kmo&

= 5251+ kJ/jam

;

18

g&isero& = n

18

4&isero&E Cp 4&isero&E DT

ir "en$ingin

T = .+ oC

" = 1 atm

4&isero&

ir

T = 12+ oC

" = 1 atm

4&isero&

ir

T = .+ oC

" = 1 atm

CLER1 18+

ir "en$ingin

T = 5+ oC" = 1 atm


25/26

= 215 kmo&/jam E 1'..kJ/kmo&'! E (.+.15 * 29815, !

= 29'.155 kJ/jam

era%a "anas !e&uar

;18 = ;18ir ;18g&isero&

= 29'8+ kJ/jam

"anas ang $iserap air pen$ingin :

;s = ;in* ;out

= (9'5.18 F 29'8+, kJ/jam

= '5.18 kJ/jam

ir pen$ingin ang $igunakan a$a&ah air $engan suhu .+ C $an ke&uar

se#agai air pen$ingin #ekas pa$a suhu 5+ C' >ari Ta#e& '1 Smith $kk' (2++5,


- (25C, = $T(&,Cp29815

29815

= 1+89 kJ/kg

- (5+C, = $T(&,Cp.2.15

29815

= 2+9.+ kJ/kg

D- = - (5+ C, F - (.+ C,

= 2+9.+ kJ/kg F 1+89 kJ/kg

= 1+1 kJ/kg

Jum&ah air pen$ingin ang $iper&ukan :

m =-

;

=kJ/kg1+1

kJ/jam'5.18

= '99 kg/jam

Ta#e& 0B'15 era%a "anas pa$a Cooler ()*+.,


12 1+

ir 5'98.+ 5251+

4&isero& .9'...8 29'.155

ir "en$ingin '91+.

T'ta" 5*6.3&146+ 5*6.3&146+


26/26

lampiran b gliserol be1lum fix

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