diagram alir pabrik Petrokimia Gresik Asam Fosfat

7/25/2019 diagram alir pabrik Petrokimia Gresik Asam Fosfat

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KAPASITAS PRODUKSI PADA UNIT INI SEBESAR

170.000 TON/TAHUN.

PROSES YANG DIGUNAKAN ADALAH NISSAN C

PROCESS YANG DIKLASIFIKASIKAN KEDALAM

KATEGORI PROSES HEMIHYDRATE DAN

DIHYDRATE.

ABRIK ASAM FOSFAT


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BATUAN PHOSPHATE (PR)Kadar P2O5 33,0%.

Kadar CaO 51,7%

Kadar SiO24,35%

Kadar H2O 1,0%2 mm lolos 99%

1 mm lolos 95%

BATUAN PHOSPHATE (PR)Kadar P2O5 33,0%.

Kadar CaO 51,7%

Kadar SiO24,35%

Kadar H2O 1,0%

2 mm lolos 99%

1 mm lolos 95%

ASAM SULFATKadar H2SO498,5 % berat.

Temerat!r 45 C

ASAM SULFAT

Kadar H2SO498,5 % berat.

Temerat!r 45 C

BAHAN BAKU


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ROSES ASAM FOSFAT

GRINDING

UNIT

H2SO4

REACTIONUNIT

FILTRATION

UNIT

CONCENT.

UNIT

HYDRATION

UNIT

WATER

HEATED

AIR

HPO4

FILTRATION

UNIT

FLUORINE RECO!.

UNIT

P".ROCK

PHOSPHOGYPSUM

FLUOSILICICACID


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ROSES ASAM

FOSFAT.

GRINDING

UNIT.

H2SO4

REACTIONUNIT

FILTRATION

UNIT.

CONCENT.

UNIT.

HYDRATION

UNIT

C#(PO4)2$ H2SO4

WATER

HEATED

AIR

HPO4

FILTRATION

UNIT.

FLUORINE RECO!.

UNIT.

P". ROCK

PHOSPHOGYPSUM

FLUOSILICICACID

C#SO42H2O $ 2HPO4

4HF $ S%O2 S%F4$ 2H2O

S%F4$ 2H2O 2H2S%F&$ S%O2


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ROCK GRINDING

REACTION & HEMIHYDRATE FILTRATION

TAHA AN ROSES A

HYDRATION & DIHYDRATE FILTRATION

FLUORINE RECOVERY

CONCENTRATION.


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"lat !tama#$a adala &all 'ill $a#( ber)!#(si !#t!*

me#(al!s*a# osate ro+* $a#( oersi-e termas!*

b!tira# $a#( me#((!mal *are#a moist!re da# se*ali(!s

me#(!ra#(i *adar air#$a de#(a# ba#t!a# !dara a#as

ROCK GRINDING

&at!a# )os)at $a#( lolos s+ree#i#( !*!ra# $a#( dis$arat*a#/

sela#!t#$a di!ma#*a# *e se*si rea*si da# )iltrasi emiidrate

.


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Peralata# !tama#$a adala Premier $a#( ber)!#(si seba(aie#(ad!*a# aal a#tara bat!a# )os)at de#(a# ret!r# a+id sei#((a

teradi sedi*it rea*si rod!*#$a ber!a sl!rr$/ da# i(ester $a#(

)!#(si#$a merea*si*a# sl!rr$ de#(a# asam s!l)at 0% sei#((a

membe#t!* *ristal emi$drate, seda#(*a# ilter ber)!#(si !#t!*

memisa*a# *ristal emi$drate de#(a# asam )os)at.

REACTION &

HEMIHYDRATE

FILTRATION

&at!a# )os)at al!s mas!**a# remier di+am!r de#(a# ret!r#

a+id da# re+$+le emi$drate sambil diad!* !(a di*o#trol la!

ret!r# a+id !#t!* me#daat*a# rod!* sl!rr$ de#(a# *adar P2O5

4564% sela#!t#$a mas!* *e di(ester !#t!* me#$em!r#a*a#

rea*si da# s!a$a *ristal emi$drate tida* me#(e#da dile#(*ai

a(itator.

Hemi$drate sl!rr$ mas!* )ilter !#t!* memisa*a# +a*e

emi$drate da# asil +aira##$a )irst )iltrate/ $a#( sela#!t#$a

ditam!#( di a+id storate ta#*..


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!#(si ada taaa# i#i adala merea*si*a# emi$drate

de#(a# asam s!l)at e#+er sei#((a me#adi di$drate de#(a#

roses idrasi da# !#t!* me#(ambil P2O5$a#( tersisa dalam +a*e

di$drate.

HYDRATION &

DIHYDRATE FILTRATION

Sl!rr$ ($s!m emi$drate dari )iltrasi ertama mas!*

$dratio# ta#* di+am!r de#(a# H2SO4 98,5% da# asil#$a

ber!a sl!rr$ ($s!m CaSO4.2H2O/ dialir*a# *eba(ia# )iltrasi

*ed!a seda#(*a# lai##$a disir*!lasi*a# *e !#it rea*si da# )iltrasi

ertama, !#t!* memer+eat rea*si idrasi i#i ditamba*a#

sili+a.

Hasil )iltrasi *ed!a $a#( ber!a )iltrat sela#!t#$a ditam!#(

!#t!* di(!#a*a# seba(ai +aira# reasi#( seda#( +a*e

($s!m#$a setela di+!+i de#(a# air a#as di*irim *e abri* "

da# C !#t!* diroses lebi la#!t..


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Pada taaa# i#i terdiri dari !#it ea!st (as treatme#t

em!r#ia# (as/ da# !#it e#$eraa# (as )l!ori#e )l!ori#ere+oer$/ $a#( ber)!#(si !#t!* membebas*a# (as b!a#( dari

*a#d!#(a# )l!ori#e sebel!m diemisi*a# *e !dara bebas.

FLUORINE RECOVERY

l!osili+i+ a+id $a#( terbe#t!* dari )l!ori#e s+r!bber da#

+o#+e#tratio# !#it me#(a#d!#( sedi*it sili+a da# setela

diisa*a# dari sili+a#$a, )l!osili+i+ a+id $a#( s!da bersi

terseb!t di*irim *e H2Sistora(e ta#* seba(ai rod!*.

as *el!ara# di(ester, $dratio# ta#* da# )ilter $a#(

me#(a#d!#( )l!ori#e disera dalam )!me s+r!bber $a#(sela#!t#$a disir*!lasi*a# *e !#it )l!ori#e re+oer$.

Sili+a $a#( diasil*a# dari )ilter dilar!t*a# de#(a# as ater

i#((a terbe#t!* sl!rr$ $a#( sela#!t#$a di*irim *e $dratio# ta#*

!#t!* me#daat*a# be#t!* da# ert!mb!a# *ristal $a#( bai*..


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!#(si ada taaa# i#i meme*at*a# asam )os)at dari !#it )iltrasi

ertama sei#((a diasil*a# asam )os)at de#(a# *adar 5265%de#(a# alat !tama :aori-er.

CONCENTRATION

"sam )os)at $a#( tela dia#as*a# ada eater sela#!t#$a

dialir*a# *edalam aori-er a*!m, sei#((a a*a# terbe#t!* asam

)os)at e*at $a#( seba(ia# asil#$a di+am!r de#(a# !ma# asam)os)at ada !#it )iltrasi ertama da# seba(ia# la(i dialir*a# *e

ta#(*i e#am!#(a#.

Sebel!m di*irim *e !#it abri* !!* )os)at, asam )os)at

didi#(i#*a# di +ooler samai diasil*a# asam )os)at temerat!r ;

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diagram alir pabrik Petrokimia Gresik Asam Fosfat

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