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UNIVERSITI TEKNOLOGI MARA

FAKULTI KEJURUTERAAN KIMIA

CHEMICAL ENGINEERING LABORATORY IV

(CPE613)

No. Tit! Ao"#t!$ M#%&' () M#%&'

1 Procedure 10

2 Process Flow Diagram (PFD) 20

3 Workbook/Stream Summary 30

4 uestio!s " Discussio!s 40

TOTAL MARKS 1

R!*#%&'+

C,!"&!$ -+ R!",!"&!$ -+

############################## ###############################

( ) ( )/#t!+ /#t!+

NAME : ADDISON JUTTIE ANAK BANGGASTUDENT I.D : 2014259348

EXPERIMENT : PRODUCTION OF ACETIC ANHDRIDE

DATE PERFORMED : 22 OCTOBER 2015

SEMESTER : 5

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PROCE/URE

1$ Firstly% t&e 'se! lus user i!terace is oe!ed a!d t&e reacta!ts a!d roducts are

selected$

Figure 1* Selectio! o como!e!ts

2$ +e,t% t&e tye o reactio! is e!tered by usi!g Wilso! roerty ackage$ -&e

i!ormatio! regardi!g t&e ki!etics (Forward* ' . $2 , 1014% . 2$ , 10 k/kmol%

eerse* ' . 0% . 0) stoic&iometry coeicie!ts a!d reactio! &ase are also i!serted$

Figure 2* eactio! ki!etic tab

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3$ -&e!% t&e reactio! set is c&ose!$

Figure 3* 5&oosi!g reactio! set

4$ +e,t% t&e simulatio! is started$

$ 6aterial stream 1 is t&e! added a!d t&e i!ormatio! is added i!to t&e stream suc& as

temerature (780o5)% ressure (10 kPa)% mass low rate (000 kg/&) are e!tered$

Figure 4* 5o!ditio!s o material stream 1

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8$ +e,t% t&e comositio! o t&e eed stream is added wit& t&e eed o!ly &ai!g aceto!e$

Figure * 5omositio! o material stream 1

7$ +e,t% a lug low reactor is added$ 6aterial stream 1 is added to t&e reactor as a!

i!ut a!d t&e outut is !amed as material stream 2$

Figure 8* 5o!!ectio!s o lug low reactor 

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$ +e,t% t&e ressure dro (0 kPa) is i!serted i!to t&e arameters o t&e lug low

reactor$

Figure 7* Parameters o lug low reactor 

9$ :! t&e rati!g tab% t&e dime!sio!s o t&e reactor is added% wit& le!gt& 30m a!d i!!er 

diameter 0$m$ -&e le!gt& was ad;usted to ac&iee a desired co!ersio! o 20

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10$ 'ter a ew trial a!d errors% t&e co!ersio! was obtai!ed$

Figure 9* 5o!ersio! results o lug low reactor 

Figure 10* 5o!ditio!s o material stream 2

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Figure 11* 5omositio! o material stream 2

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PROCESS FLO0 /IAGRAM

Figure 12* Process low diagram o roductio! o acetic a!&ydride

-&e lug low reactor model is a model used to describe c&emical reactio!s i!

co!ti!uous% lowi!g systems o cyli!drical geometry$ -&e PF model is used to redict

t&e be&aiour o c&emical reactors o suc& desig!% so t&at key reactor ariables% suc& as

t&e dime!sio!s o t&e reactor% ca! be estimated$ >! t&is lab e,erime!t% o!e o t&e routes

to roduce acetic a!&ydride is by t&e aour &ase cracki!g o aceto!e to roduce kete!e

a!d met&a!e by usi!g a PF$ So% i! t&e e,erime!t% t&e eed i!let is o!ly aceto!e$ -&e

outlet o t&e reactor is &ai!g t&e roducts w&ic& are kete!e a!d met&a!e$ For t&is

e,erime!t% it is set wit& a set#oi!t o ac&iei!g a co!ersio! o 20< o!ly% t&us t&e

reactor is desig!ed wit& diere!t le!gt& a!d i!ter!al diameter to ac&iee t&e re?uired

co!ersio!% wit& i!itial arameters o t&e reactor already gie!$ ' PF is robably c&ose!

due to its ability to &ae a better co!ersio! comared to ot&er reactors suc& as a

co!ti!uous stirred ta!k reactor% 5S-$

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0ORKBOOK 

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/ISCUSSION

-&e ob;ecties o t&e e,erime!t o roductio! o acetic a!&ydride is to i!stall a!d

co!erge a lug low reactor a!d simulate a rocess i!oli!g reactio!$ >! t&is

e,erime!t% kete!e a!d met&a!e is roduced by aour &ase cracki!g o aceto!e% wit&

t&e gie! co!ditio!s$ 's taug&t i! t&e course 5&emical eactio!s% t&e olume o a lug

low reactor is V  PFR=∫0

 X  F 

 A0

−r A

dX  $ From &ere% it ca! be said t&at t&e olume o reactor is

dee!de!t o! t&e low rate a!d rate o reactio!$ -&e low rate ca! be said is aected by

t&e desig! o t&e reactor% w&ic& are t&e dime!sio!s o t&e reactor$ >! t&is e,erime!t% t&e

aim is to determi!e t&e relatio!s&i betwee! t&e dime!sio!s o reactor a!d t&e

co!ersio!$ For t&is% t&e co!ersio! is set as t&e reso!di!g ariable a!d t&e ma!iulated

ariables are eit&er reactor le!gt& or i!ter!al diameter o t&e reactor$ -&e c&ose!

ma!iulated ariable or t&is e,erime!t is le!gt& o reactor wit& t&e i!itial le!gt& gie!

as 30 meters$ >t is t&e! reduced as t&e co!ersio! at 30 meters is 24$17

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