THE UNIVERSITY OF NEW SOUTH WALES SCHOOL OF CHEMICAL ENGINEERING
CEIC2000 Material and Energy Syte! Final E"a!inati#n Sei#n $% 20$&
INSTRUCTIONS TO CAN'I'ATES( Ti!e All#)ed(
2 (two) hours
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CHEMC!" #$OCE%% &E%C$#TON
'i!et*yl et*er .'ME1 i a +#tential green alternati6e t# dieel /el5 It i +r#d,ed indtrially 3y t*e ,atalyti, de*ydrati#n #/ !et*an#l% re+reented in t*e / l#)*eet 3el#)5
8re !et*an#l i /ed t# t*e +r#,e at - #C in trea! $% and !i"ed )it* re,y,led !et*an#l at &0 #C 3e/#re 3eing 6a+#ried and *eated in *eat e",*anger :a;5 H#t !et*an#l 6a+#r in trea! - .2&0 #C1 i /ed t# t*e ,atalyti, de*ydrat#r :,; and i de*ydrated a,,#rding t#(
2CH 4 OH .g1 ⇒ CH 4 OCH 4 .g1+ H 2 O .g1
Δ H r ,2<7=−245&
9=>!#l
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T 3 =2-< −4
C += 25<× $0
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T − 4×$0 T 9=>.!#l51 % T in Kelvins for this equation
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