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ENERGY RECOVERY BY PINCH AND MATHEMATICAL

PROGRAMMING METHOD IN HEAT EXCHANGER

NETWORK (HEN)

FACULTY OF CHEMICAL

ENGINEERING

UNIVERSITI TEKNOLOGI MARA,SAMARAHAN

ADDISON JUTTIE ANAK

BANGGA2011482162

SUPERVISOR: PN.SUNITA

JOBLI


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TYPES OF HEN


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To determine the percent energysaving by using diferent methods

To determine the best method oheat exchanger network by usingPinch Technology or MathematicalProgramming Method.

OBJECTIVES


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To use data that extracting romliterature o chemical plant only

This study ocuses on PinchTechnology Method and

Mathematical ProgrammingMethod only

SCOPE OF THE RESEARCH


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Major aim is to ocus on the bestperormance o the network

H! design and optimi"ation is largelyhandled using optimi"ation methods

These algorithms have been extensivelyapplied to H! synthesis problemswhich promised simple# ast and robustoptimi"ation solutions

LITERATURE REVIEW


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METHODOLOGY

Extrat!"# $ata


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RESULT ON PINCHTECHNOLOGY


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Ca%& St'$ *a%&$ +" R&&"t D&&-+./&"t !" t0& R&tr+1!t +1 H&at

Ex0a"#&r N&t2+r3%Existing

Network

Before

Optimiztion

Energ!

S"ing

#fter

Optimiztion

Energ!

S"ing

Uti$ities %ost

&''()!r*

+,-+. ++-,/ 0,1 +0-2+ ++1

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y 1

0)

*)

10)

1*)

20)

2*)

1+)

22)

,ASE STUD- 1

Energy S.'ng


9/21

Ca%& St'$ 4 *a%&$ +" D&ta!-&$ &5'!./&"t $&%!#" !" 0&at &x0a"#&r

"&t2+r3% %"t0&%!% a"$ +.t!/!6at!+"

Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities

cost (U$/yr

!"#%&& !%##'&% " !)"#!" )"

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y 2

0)

2)

4)

6)

8)

10)

12)

14)

16)

$%

&$%

,ASE STUD- 2

Energy S.'ng


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Ca%& St'$ 7 +" A "&2 /&t0+$ 1+r 0&at &x0a"#&r "&t2+r3 %"t0&%!%

'%!"# ar&a tar#&t!"# .r+&$'r&%Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities

cost

($/ann*m+)

))## "#', " "-,# '

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y /

0)1)

2)

/)

4)

*)

6)+)

8)

)

10)

4)

)

,ASE STUD- /

Energy S.'ng


11/21

Ca%& St'$ 8 *a%&$ +" A "&2 /&t0+$ 1+r 0&at &x0a"#&r "&t2+r3

%"t0&%!% '%!"# ar&a tar#&t!"# .r+&$'r&%Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities

cost

($/ann*m+)

"'-&% "#', ) "--#- -

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y 4

0)

1)

2)

/)

4)

*)

6)

+)

1)

6)

,ASE STUD- 4

Energy S.'ng


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RESULT ON '#THE'#TIC#LPROGR#''ING


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Ca%& St'$ 9 *a%&$ +" E"&r# I"trat!+" +" I"$'%tr!a- S!t&%

0)*)

10)

1*)

20)

2*)

/0)

/*)

40)

0)

/6)

,ASE STUD- *

Energy S.'ng

Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

SavingUtilities

cost

(U$/yr

))##!% ))##!% & ,-& %-

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y *


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Ca%& St'$ : *a%&$ +" S!/'-ta"&+'% %"t0&%!% +1 /a%% &x0a"#&

"&t2+r3% 1+r 2a%t& /!"!/!6at!+"Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities

cost (U$/yr

')#&&& ')#&&& & "!',&& %

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y 6

0)

10)

20)

/0)

40)

*0)

60)

0)

*/)

,ASE STUD- 6

Energy S.'ng


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Ca%& St'$ ; *a%&$ +" H&at !"trat!+" *&t2&&" .r+&%%&%

Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities

cost (U$/yr

!&'%&&& )-!&&& !! )!",&&& "&

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y +

0)*)

10)

1*)

20)

2*)/0)

/*)

40)

4*)

22)

40)

,ASE STUD- +

Energy S.'ng


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Ca%& St'$ < *a%&$ +" D&ta!-&$ &5'!./&"t $&%!#" !" 0&at &x0a"#&r

"&t2+r3% %"t0&%!% a"$ +.t!/!6at!+"

Existing

Network

Before

Optimization

Energy

Saving

After

Optimization

Energy

Saving

Utilities cost

(U$/yr)

943173 837783 11 % 597125 37 %

Energy n! "#$% Re!&"%'#n (#r "$e $%&!y 8

0)

*)

10)

1*)

20)

2*)

/0)

/*)

40)

11)

/+)

,ASE STUD- 8

Energy S.'ng


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DIS,USSION

1 2 / 40)

*)

10)

1*)

20)

2*)

1+)

4) 4)

1)

22)

14)

)

6)

,#r'$#n Energy S.'ng 3) (#r

P'n"5 Te"5n##gy 7e%5#!

Be(#re O%''%'#n A(%er O%''%'#n

Energy S.'ng 3 )

,#r'$#n Energy S'ng 3) % Be(#re n! A(%er

O%''%'#n (#r P'n"5 Te"5n##gy 7e%5#!


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1 2 / 40)

10)

20)

/0)

40)

*0)

60)

0) 0)

22)

11)

/6)

*/)

40)/+)

,#r'$#n Energy S.'ng 3) (#r 7%5e%'" Pr#gr'ng 7e%5#!

Be(#re O%''8%'#n A(%er O%''8%'#n

Energy S.'ng 3 )

,#r'$#n Energy S'ng 3) % Be(#re n! A(%er O%''%'#n(#r 7%5e%'" Pr#gr'ng 7e%5#!


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Mathematical Programming Methodgave the higher percentage o energy

saving '()%*+(% ,

Pinch Technology Method just around')% * --%,

Mathematical Programming Methodproduced higher energy savings

CONCLUSION


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The number o data can be increasedto achieve more accurate results

urther investigation on the othertypes o H! Method

/n order to get the higher amount oenergy saving# the type o methodmust be chosen correctly

RECOMMENDATION


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TH0!1 234

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