Nisa, Cicik Khoirun and Pertiwi, Dini (2016) Pabrik Etilbenzena Dari Benzena Dan Etilena Dengan Proses Fase Uap. Diploma thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Etilbenzena merupakan senyawa intermediet dalam pembuatan
stirena yang merupakan bahan baku pembuatan plastik. Proses
produksi dilakukan menggunakan proses fase uap. Pabrik etilbenzena
dengan kapasitas 90.000 ton etilbenzena/tahun akan didirikan di
Kawasan Industri Cilegon, Jawa Barat pada tahun 2020 dengan
pertimbangan kemudahan akses bahan baku dan distribusi produk.
Bahan baku yang digunakan adalah benzena dan etilena. Proses
produksi etilbenzena dibagi menjadi 3 tahap. Tahap pretreatment bahan
baku yang bertujuan untuk mengubah seluruh bahan baku dalam fase
uap dengan temperatur 200oC dan tekanan 63 bar. Tahap alkilasi
benzena oleh etilena dengan katalis Solid Phosphoric Acid (SPA) terjadi
pada temperatur 200oC dan tekanan 63 bar dalam reaktor tubular
isothermal dengan perbandingan mol antara benzena dan etilena
sebesar 1 : 5. Reaksi berlangsung pada fase uap dan bersifat eksotermis
sehingga memerlukan pendingin. Tahap pemurnian yang bertujuan
untuk mendapatkan kembali benzena yang tidak bereaksi dan
etilbenzena dengan kemurnian 99,9% berat. Pabrik ini direncanakan
beroperasi secara kontinyu selama 300 hari/tahun dengan basis 24
jam/hari. Bahan baku benzena yang dibutuhkan sebanyak 221780, 23 kg
benzena/hari dan etilena sebanyak 80324,79 kg etilena/hari dengan
bahan baku pendukung berupa Solid Phosphoric Acid (SPA) sebagai
katalisator. Kebutuhan utilitas meliputi air sanitasi sebanyak 43013,38
kg/hari, air make up pendingin sebanyak 1657494,428 kg/hari, dan air
make up boiler sebanyak 144926,418 kg/hari.
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Ethylbenzene is an intermediate compound in styrene
production which is the raw material in manufacture of plastic.
Production process was conducted using vapor phase process.
Ethylbenzene plant with capacity of 90.000 tons ethylbenzene/year will
be set up in Cilegon Industrial Area, West Java in 2020 by considering
the accessibility of raw materials and product distribution. The raw
material used is benzene and ethylene. Ethylbenzene production process
divided into 3 sections. Raw material pretreatment is to convert all of
raw materials in vapor phase with the temperature of 200
oC and
pressure of 63 bar. Alkylation of benzene by ethylene with the presence
of Solid Phosphoric Acid (SPA) catalyst occurs at temperature of 200
oC
and pressure of 63 bar in a tubular isothermal reactor with 1 : 5 molar
ratio of benzene to ethylene. The reaction takes place in vapor phase
and exothermic so that required a cooling. Purification section is to
recover unreacted benzene and ethylbenzene with a purity of 99,9% by
weight. This plant is planned to operate continuously for 300 days/year
with the basis of 24 hours/day. Benzene needed is 221780, 23 kg of
benzene/day and ethylene is 80324,79 kg of ethylene/day with the
supporting raw material is Solid Phosphoric Acid (SPA) as catalyst.
The utility demand are sanitation water of 43013,38 kg/day, cooling
water of 1657494,428 kg/day, and bolier feed water of 144926,418
kg/day.
| Item Type: | Thesis (Diploma) |
|---|---|
| Additional Information: | RSK 541.395 Nis p |
| Uncontrolled Keywords: | Etilbenzena; fase wap; alkilasi |
| Subjects: | Q Science > QD Chemistry > QD501 Catalysis. Catalysts. |
| Divisions: | Faculty of Industrial Technology > Chemical Engineering > 24401-(D3) Diploma 3 |
| Depositing User: | ansi aflacha |
| Date Deposited: | 16 Sep 2020 02:08 |
| Last Modified: | 16 Sep 2020 02:08 |
| URI: | http://repository.its.ac.id/id/eprint/81944 |
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