DAFTAR ISI FIX NIANLA

DAFTAR ISI
HALAMAN JUDUL...................................................................................................i
KATA PENGANTAR.................................................................................................ii
DAFTAR ISI..............................................................................................................iii
DAFTAR TABEL.......................................................................................................iv
DAFTAR GAMBAR.................................................................................................. v
DAFTAR LAMPIRAN...............................................................................................vi
BAB I PENDAHULUAN...........................................................................................1
1.1
Sejarah dan Perkembangan Pabrik.................................................................. .1
1.2
Lokasi Pabrik................................................................................................... .3
1.2.1
Lokasi Pabrik.........................................................................................3
1.2.2 Tata Letak Pabrik....................................................................................4
1.3
Jenis Produk yang dihasilkan ...........................................................................7
1.3.1
Produk Pabrik Urea................................................................................7
1.3.2
Produk Pabrik Ammonia........................................................................8
1.4
Sistem Pemasaran...............................................................................................9
1.5
Sistem Manajemen............................................................................................10
1.5.1
Struktur Organisasi PT Pusri.................................................................11
1.5.2
Sistem Manajemen Produksi.................................................................14
BAB II URAIAN PROSES........................................................................................16
2.2
2.1
Bahan Baku............................................................................................16
2.1.1
Bahan Baku Pabrik Ammonia................................................................16
2.1.2
Bahan Baku Pabrik Urea........................................................................19
Diskripsi Proses..................................................................................................22
2.2.1
Proses Produksi Ammonia......................................................................23
2.2.2 Proses Produksi Urea...............................................................................43
2.3
Diagram Alir Proses............................................................................................56
BAB III UTILITAS......................................................................................................58
3.1
Penyediaan Air.............. .....................................................................................58
3.1.1
Water Treatment......................................................................................58
3.1.2
Demineralizec Water Plant......................................................................60
3.1.3
Cooling Tower.........................................................................................62
3.2
Kebutuhan Listrik................................................................................................64
3.2.1 Pembangkit Utama......................................................................................64
3.2.2 Pembangkit Listrik Cadangan.....................................................................65
3.3
Bahan Bakar.........................................................................................................66
3.4
Boiler Utility (Steam)...........................................................................................66
3.4.1 Waste Heat Boiler........................................................................................67
3.4.2 Package Boiler.............................................................................................69
3.5
Unit Pengolahan Limbah......................................................................................70
3.5.1 Pusri Effluent Treatment. ............................................................................70
3.5.2 Instalasi Pengolahan Air Limbah dan Kolam Air Limbah (IPAL & KAL)..
..............................................................................................................................72
BAB IV SPESIFIKASI PERALATAN PROSES.......................................................75
4.1
4.2
4.3
Ammonia..............................................................................................................75
4.1.1
Feed Treating Unit....................................................................................76
4.1.2
Reforming Unit.........................................................................................76
4.1.3
Purifikasi Unit ..........................................................................................76
4.1.4
Sintesa Uni................................................................................................78
4.1.5
Unit Pemurnian Produk.............................................................................79
Urea...................................................................................................................... 80
4.2.1
Unit Sintesa Urea.......................................................................................80
4.2.2
Unit Dekomposisi Urea..............................................................................81
4.2.3
Unit Recovery ............................................................................................82
4.2.4
Unit Pembutiran..........................................................................................84
Utilitas................................................................................................................... 85
4.3.1
Water Treatment Plant...............................................................................85
4.3.2
Demin Plant............................................................................................... 85
4.3.3
Cooling Tower...........................................................................................86
4.3.4
Waste Heat Boiler......................................................................................87
4.3.5
Package Boiler...........................................................................................87
4.3.6
Gas Turbin Generator................................................................................88
BAB V TUGAS KHUSUS...............................................................................................90
5.1
Data pengamatan...................................................................................... ......... .. 90
5.1.1 Unit Sintesa Urea.........................................................................................90
5.2
Neraca Massa dan Energi......................................................................................92
5.2.1 Neraca Massa...............................................................................................92
5.2.2 Neraca Energi.............................................................................................. 94
5.3 Evaluasi Kinerja Reaktor............................................................................................ 95
BAB VI PENUTUP.........................................................................................................98
DAFTAR PUSTAKA.....................................................................................................100
LAMPIRAN....................................................................................................................103