Masturiyah, Ayuk and Safitri, Oktavia (2017) Pabrik Aluminium Sulfat [Al2(SO4)3.14H2O] dari Aluminium Hidroksida [Al(OH)3] dan Asam Sulfat [H2SO4] dengan Menggunakan Proses Giulini. Diploma thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pabrik ini menggunakan bahan baku Aluminium Hidroksida 94,715% dan Asam Sulfat 98% dengan proses Giulini. Produk berupa Aluminium sulfat dengan kandungan Al2O3 17,14% dan insoluble material sebesar 0,01%. Produk ini digunakan sebagai reagen flokulan untuk penjernihan air. Karakteristik produk ini bersifat korosif dan beracun.
Pada tahap Pre-treatment, asam sulfat 98% dari tangki penyimpanan diencerkan menjadi 66% dengan menggunakan air proses. Pada tahap main-treatment, aluminium hidroksida ditransportasikan denga bucket elevator menuju reaktor untuk direaksikan dengan asam sulfat 66% pada konversi 80%, temperature 1700C, dan tekanan 5 bar untuk menghasilkan 36.934% larutan aluminium sulfat. Aluminium sulfat dipekatkan pada evaporator untuk mencapai kosenstrasi 57%. Almunium sulfat 57% ini kemudian dikristalisasi menggunakan crystallizer dengan penambahan 1% bibit Aluminium Sulfat. Kristal aluminium sulfat yang terbentuk kemudian dicuci dengan air proses. Kristal aluminium sufat murni kemudian dikeringkan menggunakan rotary dryer untuk menurunkan kadar air menjadi 0,1%. Pada tahap post treatment kristal aluminium sulfat yang telah dihaluskan didinginkan pada rotary cooler dari temperatur 650C menjadi 400C. Setalah itu, kristal aluminium sulfat dihaluskan menggunakan prebreaker dan diayak menggunakan screen sehingga menghasilkan aluminium sulfat dengan ukuran 12 mesh.
Pabrik aluminium sulfat terletak di Java Integrated Industrial Post Estate Gresik, Jawa Timur memiliki kapasitas sebesar 40.000 ton/tahun dan membutuhkan bahan baku Aluminium Hidroksida 11071.326 ton/tahun dan Asam Sulfat sebesar 20165.781 ton/tahun.
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The plant produces
the a
luminium
sulfate
containing
17.14%
of
Al
2
O
3
made of the
aluminum hydroxide
94.715%
and
the
sulfuric acid
98%
by the Giulini process
.
Aluminum sulfate produced in this way contains only
0.01% insoluble material.
This product is
an important flocculating agent for
purifying water
.
The characteristic of this product are corrosive and toxic.
In
t
he
p
re
-
treatment
, 98%
of s
ulfuric
a
cid from
the storage t
ank
is
d
iluted
by adding water process
to
be
66%. In the main
-
treatment
,
a
luminum
h
ydroxide is tr
ansported using the bucket elevator
to the reactor
for reacting
the
66%
of
s
ulfuric
a
cid
at
a
conversion
of 80%, the
temperature of 170
̊C
and 5 bar
to produce
36.934%
of
a
luminum
sulfate
solution
.
The a
luminum
sulfate
is evaporated
to
be 57% and then
is
crystalized by
added 1
% of
a
luminum
s
ulfate seeds. Aluminum
s
ulfate c
rystal
s
are
washed
by
w
ater
process
to remove acidity
, and then are
dried by a rotary dryer to reduce the
moisture content
to be
0.1%. In the post
-
treatment,
The a
luminum
s
ulfate
crystal
s are cooled
from
65
0
C to 40
0
C in
the
rotary cooler.
Finally, the
crystals are screened to get the quality of
product
of
12
mesh
in size
.
The
plant
located
in
Java Integrated Industrial Port Estate
Gresik
,
East Java
has a capacity of 40,000 tons / year and requires raw
materials of Aluminum Hydroxide
11071.32
6
ton/year
and Sulfuric Acid of
20165.78
1
ton/year
.
The plant is
continuously
operated during 330
days/ye
ar
| Item Type: | Thesis (Diploma) |
|---|---|
| Additional Information: | RSKI 661.067 3 Saf p |
| Uncontrolled Keywords: | Aluminium Sulfat, Aluminium Hidroksida, Giulini. |
| Subjects: | T Technology > TP Chemical technology T Technology > TP Chemical technology > TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions. |
| Divisions: | Faculty of Vocational > 24305-Industrial Chemical Engineering |
| Depositing User: | Ayuk Masturiyah . |
| Date Deposited: | 28 Nov 2017 07:35 |
| Last Modified: | 06 Mar 2019 06:53 |
| URI: | http://repository.its.ac.id/id/eprint/46673 |
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