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P R E F A C E

P S E 2 0 0 9 i s t h e t e n t h i n t h e t r i e n n i a l s e r i e s o f i n t e r n a t i o n a l sy m p o s i a o n

p r o c e s s s y s t e m s e n g i n e e r i n g , i n i t i a t e d i n 1 9 8 2 . P S E 2 0 0 9 w a s h e ld i n

S a l v a d o r , B a h i a , B r a z i l , i n A u g u s t 2 0 0 9 . T h e p u r p o s e o f t h e se t r i e n n i a l

m e e t i n g s is t o g a t h e r r o u n d t h e w o r l d w i d e c o m m u n i t y o f P S E r e s e a r c h e r s

a n d p r a c t i t i o n e r s.

I n t h e l a st 3 0 - 4 0 y e a r s, P r o c e s s S y st e m E n g i n e e r i n g h a s p l a y e d a n i m p o r t a n t

r o l e i n d e v e l o p i n g a n d i m p r o v i n g t e c h n i q u e s f o r v e r y s p e c i f i c k i n d s o f

p r o c e s s e s : c h e m i c a l p r o c e s s e s , f r o m t h e m o l e c u l a r t o bu s i n e s s l e v e l .

H o w e v e r , i n r e c e n t t i m e s, P S E t e c h n i q u e s a n d m e t h o d s , d u e t o i t s l a r g e

e x p e r i e n c e i n d e a l i n g w i t h n o n l i n e a r d y n a m i c s a n d c o m p l e x s y s t e m s , h a v e

b e e n l a r ge l y a p p l i e d t o n e w a r e a s o f k n o w l e d g e : E n v ir o n m e n t a l a n d

E c o l o g y , B i o a n d P h a r m a c e u t i c a l P r o c e s s e s, F o o d P r o c e s s e s , S a f e t y I s s u e s.

T h e m a i n f o c u s o f t h e P S E 2 0 0 9 m e e t i n g w a s S u s t a i n a b i l i t y , E n e r g y a n d

E n g i n e e r i n g , i. e . h o w P S E m e t h o d s a n d t o o l s c an s u p p o r t s u s t a i n a b l e

r e s o u r c e s y st e m s a n d e m e r g i n g t e c h n o l o g i e s i n t h e a r e a s o f g r e e n

e n g i n e e r i n g : e n v i r o n m e n t a l l y c o n s c i o u s d e si g n o f in d u s t r i a l p r o c e s s e s .

T h e c o n f e r e n c e h a d 3 6 5 r e g i st r a n t s, 2 7 5 f r o m a c a d e m i c a r e a a n d 9 0 f r o m

t h e p r i v a t e s e c t o r , w i t h 2 5 c o m p a n i e s r e p r e s e n t e d. I n t e r n a t i o n a l

r e p r e s e n t at i o n i n c l u d e d 1 9 6 d e l e g a t e s f r o m B r a z i l , 3 3 f r o m t h e r e s t o f L a t i n

A m e r i c a , 7 6 f r o m E u r o p e , 2 6 f r o m U S A / C a n , 3 6 f r o m A s i a a n d o n e f r o m

A f r i c a . S t u d e n t s c o m p r i s e d 3 5 % o f a t t e n d e e s . T h e c o n f e r e n c e f e a t u r e d 11 4

o r a l pr e s e n t a t i o n s, i n c l u d i n g p l e n a r y , k e y n o t e a n d r e g u l a r l e c t u r e s a n d 2 2 6

p o s t e r s.

B a s e d o n r e v i e w s a n d l o c a l e v a l u a t i o n , a u t h o r s o f 4 1 se l e c t e d p a p e r s , j u s t

a m o n g t h e c o n t r i b u t e d o n e s , w e r e i n v i t e d t o s u b m i t e x t e n d e d v e r s i o n s o f

t h e i r p a p e r s t o t h e B r a z i l i a n J o u r n a l o f C h e m i c a l E n g i n e e r i n g . A l l e x t e n d e d

p a p e r s w e r e s u b j e c t t o a p e e r r e v i e w p r o c e s s a n d , i f s u c c e s s f u l, t h e y w e r e

a c c e p t e d f o r p u b l i c a t i o n i n t h i s s p e c i a l i s s u e . T h u s, t h e B J C h E - P S E 2 0 0 9

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iv

T h e P S E 2 0 0 9 c o n f e r e n c e w a s c o n d u c t e d u n d e r t h e a u s p i c e s o f t h e

I n t e r n at i o n a l O r g a n i z a t i o n f o r P r o c e s s S y st e m s E n g i n e e r i n g (I O / P S E ) c h a i r e d

b y P r o f e s s o r L o r e n z T. B i e g l e r , o f C a r n e g i e - M e l l o n U n i v e r s i t y . W e w o u l d l i k e

t o t h a n k t h e m e m b e r s o f t h e P S E 2 0 0 9 O r g a n i z i n g a n d S c i e n t if i c C o m m it t e e s

a n d t o a l l w h o w o r k e d a n d a s s i s t e d t h e o r g a n i z e r s o f P S E 2 0 0 9 i n m a k i n g t h i s

e v e n t a g r e a t s u c c e s s .

W e g r a t e f u l l y a c k n o w l e d g e t h e a u t h o r s o f t h e s e l e c t e d p a p e r s w h o s e

e x p e r t i s e a n d c o n t r i b u t i o n s h a v e m a d e t h i s s p e c i a l i s s u e p o s s i b l e . O u r

s p e c i a l t h a n k s g o t o t h e n u m e r o u s r e v i e w e r s f o r t h e i r c o m m e n t s a n d t h e i r

v a l u a b l e a d v i c e t o t h e a u t h o r s . W e a r e v e r y g r a t e f u l f o r t h e o u t st a n d i n g j o b

d o n e b y t h e e d it o r s o f t h e B r a z i l i a n J o u r n a l o f C h e m i c a l E n g i n e e r i n g , i n

p a r t i c u l a r t h e E d i t o r - i n - C h i e f , P r o f e s s o r R e i n a l d o G i u d i c i a n d t h e E d i t o r o f

t h e s e c t i o n P r o c e s s S y st e m s E n g i n e e r in g , P r o f e s s o r A r g i m i r o R . S e c c h i .

F i n a l l y , w e g r a t e f u l l y a c k n o w l e d g e B R A S K E M a n d C H E M T E C H f o r t h e i r

s p o n s o r s h i p , P E T R O B R A S , F A P E S P , C A P E S , C N P Q a n d F A P E S B f o r t h e i r t e c h n o

-s c i e n t i f i c a n d f i n a n c i a l -s u p p o r t a n d U F B A , U N I F A C S , C O F I C , A B E Q a n d t h e

S a l v a d o r Co n v e n t i o n B u r e a u f o r t h e i r i n s t i t u t i o n a l s u p p o r t .

W e d o h o p e t h at t h i s S p e c i a l I s s u e w i l l b e a v a l u a b l e r e f e r e n c e .

R I T A M A R I A D E B R I T O A L V E S* D e p a r t m e n t o f C h e m i c a l E n g i n e e r i n g U n i v e r s i t y o f S ã o P a u l o , S P , B r a z i l

C L A U D I O A U G U S T O O L L E R D O N A S C I M E N T O D e p a r t m e n t o f C h e m i c a l E n g i n e e r i n g

U n i v e r s i t y o f S ã o P a u l o , S P , B r a z i l

E V A R I S T O C H A L B A U D B I S C A I A J U N I O R P E Q / C O P P E F e d e r a l U n i v e r s i t y o f R i o d e J a n e i r o , R J , B r a z i l

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