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Wahyu Triaji Rahadianto NIM 061540411904 Dosen Pembimbing: Ahmad Zikri, S.T., M.T.

Menjadi sebuah Badan Usaha Milik Negara (BUMN) yang bertugas melakukan penambangan dan pengolahan minyak dan gas bumi di Indonesia.

General Manager, Refinery Unit III Plaju

Secretary

Senior Manager,Operation &

Manufacturing

Manager, Engineering & Development

Manager, Reliability

Manager,

Manager, Maintenance

Coordinator,

Manager,

Production

Planning & Support

OPI

HSE

Manager, Refinery

Manager, Maintenance

Planning Optimization

Execution

Manager,

Procurement

Manager, Turn Around

Selalu Hadir Melayani

Manager, Legal &

General Affairs

PT. PERTAMINA (PERSERO) Refinery Unit III

Gas C1, C2, C3

gas

SRMGC

Res gas

BBMGC

Comprimate

Butane (unstab)

BB Tops

Stabilizer CAB

SR Tops

N I (CD V)

LOMC

Crude Butane

LOMC SPBX

N III (CD III+IV)

AVTUR

N IV ( CD V)

L AWS

FBB

Gas C3

Refinery gas

Liq. C3

Refrigerant (Musi cool)/LPG

i-C4

Utk proses & refrigerant (musi cool)/LPG

n-C4

Mixed LPG/aerosol

Light alkylate

Avigas (ON:92)

LKD Kerosin

A L K I L A S I

HKD LCD Solar HCT

L Residue to HVU

Treated FBB/ LPG

Plasol

N II Crude Oil

BB Treating

FBB/ LPG

BB Distiller

Comprimate

Gas

Primary Process: CD II/III/IV/V; Redistiller I/II

Refinery gas

BB eks CD&L

P O L I M E R I S A S I

Heavy alkylate

Polimer

HOMC ON:98

Selalu Hadir Melayani

Kerosene/solvent

PERTAMAX

Gas

Naphta

Caustic Treating Unit 4

Treated Naphta

Kerosine Crude Oil

Red III/IV ADO Long residue

TK Long Residue

TK Kerosine TK Diesel Oil

RFG Raw PP to Polypropylene Unit

Gas Debut OH

Stab-3 Long Residue 15%

FCC

Naphta

LPG & Alkilation Feed

HOMC LVGO Kerosine

HVU ADO Long residue To LSWR

Long Residue from CD-II/III/IV/ V/VI

HVGO

Slurry

Crude Oil

LCGO (IDO)

MVGO

CDU VI

Short Residue TK LSWR

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Kerja Praktek

Crude Distiller & Light End

TUGAS KHUSUS

Menghitung Efisiensi Thermal pada Furnace FC-F2 PT. Pertamina (Persero) RU III pada Riser Fluidized Catalytic Cracking Unit (RFCCU)

Selalu Hadir Melayani

8

7

6

5

4

3

2

1

Gambar C.14

H

H

G

F

E

DRAW DESCRIPTION

D

C

28/7/2003

B

TITLE

PFD FCCU PERTAMINA

A

A

8

7

6

5

4

3

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2

1

Flow Fuel Gas Qin Temperature Stack Furnace Qout Flow rate Total Feed

Efisiensi FC-2 H2O Pembakaran

CO2Stack Udara Suplai

Output

Pembakaran CO2

O2Stack

N2Stack

H2O Udara

Input

O2 teoritis

O2 Suplai

N2 Suplai

Selalu Hadir Melayani

Selalu Hadir Melayani

Hasil Perhitungan Efisiensi Thermal Data

Efisiensi

23 Juli 2018

93,44

24 Juli 2018

93,28

25 Juli 2018

91,81

26 Juli 2018

91,80

27 Juli 2018

91,81

(%)

Selalu Hadir Melayani

Grafik Perbandingan Efisiensi Furnace 94.00% 93.50% 93.00% 92.50% 92.00% 91.50% 91.00% 90.50%

Efisiensi Vs Hari

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Tanggal

Efisiensi(%)

23/07/16

93,44

24/07/16

93,28

25/07/16

91,81

26/07/16

91,80

27/07/16

91,81

PROCESS

HUMAN

Analisa Lab yang terlambat Perubahan Laju alir Fuel gas

Turunnya efisiensi Kondisi Isolator yang kurang maksimal

ENVIRONMENT

Burner yang hidup hanya 4

TOOLS

Selalu Hadir Melayani

KESIMPULAN : Furnace FC-F2 berfungsi untuk memanaskan feed sebelum masuk kedalam unit reaktor yang berupa Medium Vacuum Gas Oil (MVGO), High Vacuum Gas Oil (HVGO), dan Long Residue

Faktor yang mempengaruhi efisiensi furnace FC F-2 adalah suhu long residu (Feed), flow Rate dari bahan bakar, suhu dalam dan luar dari dinding furnace, dan panas yang hilang diakibatkan terserap oleh dinding furnace.

Kondisi FC-F2 Masih layak digunakan

Selalu Hadir Melayani

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