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Aromatics Technology An Overview

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What Are Aromatics?

Benzene Toluene Ortho-xylene Meta-xylene Para-xylene thyl!enzene

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"## O$ A%OMAT&'#

Benzene Toluene Ethylbenzene Orthoxylene Paraxylene

-Caprolactum(Nylon)

-LAB (Detergent)

-Phenol

-tyrene

-ol!ent"

-Pe"t#c#$e"

-ol!ent"

-Th#nner

-Dye

-N#trotoluene

-phenol

-tyrene

-Dye

-D#-ethylbenzene

-Phthal#canhy$r#$e

-ur%acecoat#ng"

-Pe"t#c#$e"

-Pour po#nt$epre""ant

-D&T

-PTA

- PET

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'on(iguration O( AnAromatics 'om+lex

-e+en.s u+on* $ee.stoc, ty+e/ availa!ility/ 0uality Pro.uct ty+e/ .eman./ s+eci(ications

'on(iguration can !e* $or !enzene only 1 $ee.* 23 43 .eg ' cut na+htha5 $or !enzene 6 toluene 1$ee.* 23 773 .eg ' cut na+htha5 $or !enzene8 toluene 6 xylenes 1+-xylene or o-xylene or

!oth5 1$ee.* 23 79: .eg ' cut na+htha5

$or !enzene 6 xylenes 1+-xylene or o-xylene or !oth51$ee.* 23 79: .eg ' cut na+htha5

$or xylenes only 1+-xylene or o-xylene or !oth5 1$ee.* 773 79: .eg ' cut na+htha5

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A%OMAT&'#'OMP;< 1B-

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A%OMAT&'#'OMP;< 1B-T5

BT$BT

B=>=

TO;"=

'%"

%A$$&=AT

=T"

?-T=

AP?T?A

;

PB

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A%OMAT&'#'OMP;< 1% BOTTOM#

%A$$&=AT

#T%&PP% BOTTOM

TO;"=

@%O==APTA

$

M"?

D

M"

?D

M" @%O=

P-

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A%OMAT&'# 'OMP;- B0

#ECYCLE #ATI$ >0 6 0

SE!A#AT$# !#ESSU#E. (*/CB* B0 ) >@0

SE!A#AT$# TE!E#ATU#E. DE* C @?

#EC$NTACTIN* D#U !#ESSU#E. (*/CB* 0? 6 B0?

MA&= OP%AT&= 'O=&T&O=#

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MA&= OP%AT&= 'O=&T&O=#

#EC$NTACTIN* D#U TE!E#ATU#E. DE* C +)>?- 6 @?

L!* A'S$#'E# D#U !#ESSU#E. (*/CB* >0

STA'ILIJE# #EFLU, D#U !#ESSU#E. (*/CB* >G0?

STA'ILIJE# #EFLU, D#U TE!E#ATU#E. DE* C @?

STA'ILIJE# '$TT$S TE!E#ATU#E. DE* C B?

#P'&A; 'O=#&%AT&O=# $O% %CAMP#

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#P'&A; 'O=#&%AT&O=# $O% %CAMP#

%or9 7ithin the 1on4traint4 of re1y1le ga4 1o23re44or/ ;oo4ter 1o23re44or0

Try to avoid / 2ini2i

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#P'&A; #&= $AT"%#

No valve in rea1tion 4e1tion

Sy22etri1 3i3ing at heater inlet / outlet0

In 1a4e 7elded 3late e=1hanger i4 in4talled. filter4 2ay ;e re:uired

u34trea2 of e=1hanger0

Feed heater ha4 4uffi1ient over de4ign to ta9e 1are of le44 heat

re1overy in feed effluent e=1hanger0

In4tru2ent air 4torage ve44el for re1y1le ga4 1o23re44or anti)4urge

1ontrol valve0

#P'&A; #&= $AT"%#

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#P'&A; #&= $AT"%#

Nu2;er of 4tage4 of ;oo4ter 1o23re44or de3end4 u3on the 4e3arator

3re44ure and re1onta1ting dru2 / hydrogen 3rodu1t 3re44ure0

Sta;ili

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% 'TO% -T &;#

%A'TO% TA&;#

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%A'TO% TA&;#

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$$'T O$ P%##"%

#EDUCED !#ESSU#E

Favour4 #efor2ing rea1tion

In1rea4e4 1o9ing. hen1e 4horter 1y1le length

INC#EASED !#ESSU#E

In1rea4e4 1ra19ing. hen1e le44 refor2ate yield

De1rea4e4 1o9ing. hen1e longer 1y1le length

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$$'T O$ %'@'; %AT&O

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$$'T O$ %'@'; %AT&O

DEFINED AS $LES $F HB IN #ECYCLE *AS !E# $LE $F F#ESH

FEED

INC#EASIN* #ECYCLE #ATI$ #ESULTS IN HI*HE# HB

!A#TIAL

!#ESSU#E AND CATALYST STA'ILITY

DEC#EASIN* #ECYCLE #ATI$ #ESULTS IN L$%E# HB

!A#TIAL

!#ESSU#E AND CATALYST STA'ILITY

$$'T O$ #PA' C;O'&T@

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$$'T O$ #PA' C;O'&T@

S!ACE &EL$CITY IS #ATI$ $F H$U#LY FEED #ATE AND %EI*HT

$F T$TAL CATALYST L$ADED

INC#EASIN* S!ACE &EL$CITY DEC#EASES !#$DUCT QUALITY

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;&M&TAT&O=# O$ #% %$O%M%

$!E#ATIN* !#ESSU#E AND #ECYCLE #ATI$ CANN$T

'E #EDUCED 'EL$% A CE#TAIN LE&EL DUE T$

INC#EASED C$(E LAYD$%N

INC#EASIN* TE!E#ATU#ES #EDUCES YIELDS

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ACA=TA# O$ ''% 'OMPA% TO #%

HI*HE# $CTANE

HI*HE# CC8 YIELD

HI*HE# HBYIELD AND !U#ITY

L$%E# 'ENJENE C$NTENT IN #EF$#ATE

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''% 'ATA;@#T '&%'";AT&O= 1"OP5

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''% 'ATA;@#T ;&$T

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''% %A'TO%

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''% %=%ATO%

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PA%A

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MOC&= BA=A;O@ $O% P