IOC PPT_sagar

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POWER POINT PRESENTATION ON IOCL ,BARAUNI:

POWER POINT PRESENTATION ON IOCL ,BARAUNI Barauni Refinery -- In harmony with nature NAME:-SAGAR MANI JHA B.Tech . in CHEMICAL ENGG . YEAR:-3 rd SEM:-6 th ROLL NO.:-20

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OUTLINE 1.Introduction 2.Crude oil 3 .Physical &Chemical Processes 4 .Refinery operations 5 .Quality upgradation process 6 .Other process unit 7.Highlight

ABOUT …:

Barauni Refinery is the second Public Sector Refinery of Indian Oil Corporation . It is located near the northern bank of river Ganga in Begusarai district of Bihar. The refinery went on stream in the year 1964 and was formally inaugurated by Prof. Humayun Kabir , the then Union Minister for Petroleum & Chemicals, Govt. of India on 15 th January,1965. The installed capacity of crude oil processing has been enhanced from 3.3 MMTPA to 6.0 MMTPA after commissioning of process units like RFCCU, DHDT, HGU, SRU, SWS & ARU ABOUT …

PROCESSES…:

PHYSICAL CHEMICAL THERMAL CATALYTIC Distilation Solvent extraction Blending Handling Visbreaking Delayed coking Hydrotreating reforming Catalytic cracking Hydrocracking Polymerization Isomerization PROCESSES…

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Composition of Crude Oil 􀂄Crude oils is a complex mixture of thousands of hydrocarbons. ( i.e paraffins , Napthenes & Aromatics) 􀂄Brownish black in colourand colloidal in nature 􀂄Contains small amounts of non-hydrocarbon impurities in the form of organic compounds of sulphur , oxygen, nitrogen, metals, water and salts ELEMENT COMPOSITION OF CRUDE OIL SL NO. ELEMENTS PERCENTAGES 1. CARBON 83-87 2. HYDROGEN 11-15 3. SULPHUR 0-3 4. OXYGEN 0-2 5. NITROGEN 0-0.6 6. METALS 0-0.1

PRIMARY PROCESSING UNIT:

The purpose of Primary unit is to separate the crude in to different fractions by distillation. Known as mother unit of the refinery, consist of 􀂄CRUDE DISTILLATION UNIT (CDU ) 􀂄VACUUM DISTILLATION UNIT (VDU ) Commonly referred as a tmospheric and Vacuum Distillation unit (AVU) PRIMARY PROCESSING UNIT

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P r e T o P P i N G ADU V D U r FURNACE FURNACE DESALTER Crude oil t=200c T=130-140 Deg c T=370 deg c T=270-280 Deg c Stablised naptha Light naptha Heavy naptha Heavy kero LGO HGO LPG T=415 DEG C SR AVU’S FLOW DIAGRAM... LVGO Steam ejector LDO HVGO

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Secondry procesingunit Treatment process Cracking process Quality upgradatio process Other units DHDT NHDT HGU SRU CRU ISOMERISATIO N UNIT DELAYED COKING RFCCU CLASSIFICATION OF SECONDRY PROCESS UNIT OF BARAUNI REFINERY

RESIDUE FLUID CATALYTIC CRACKING UNIT…:

Objective : To convert Heavy Vacuum Gas Oil to valuable distillates like LPG, Gasoline, Diesel by catalytic cracking in fluidized bed . 􀂄Feed : VGO/RCO/VR. 􀂄Catalyst : Silica & Alumina ZeoliteStructure Product : Fuel gas,LPG,Gasoline,Hy.Naptha+LCO . OPERATING CONDITION: T=490-550 DEG C P=2-3 kg/cm2 RESIDUE FLUID CATALYTIC CRACKING UNIT…

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FCCU FLOW DIAGRAM

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Feedstock: Vacuum Residue 􀂄Good process for increasing distillates and minimizing black oil production. 􀂄Products :- H2S rich gas,LPG,Naptha,Kerosene,Gas oil,fuel oil,coke . 􀂄Gas oil & Naphtha need further treatment . Delayed coking process…

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F R A C T I O N A T O R S E P A R A T O R C O K E C H A M B E R C O K E C H A M B E R FURNACE NAPTHA KERO GAS OIL FUEL OIL LPG T=505 DEG C FEED RFO DELAYED COKER UNIT FLOW DIAGRAM

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Objective : To meet the Euro –III/IV diesel quality requirement ( 350/50 ppm‘S’and Min. 51 CetaneNo .) 􀂄 Feed : Straight run diesel / FCC diesel component/ Coker and Visbreakerdiesel components . 􀂄Catalyst : Ni-Mo oxides Products:- OFF GAS,DIESEL DIESEL HYDRO TREATING UNIT…

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HIGH PRESS SEPARATOR COL OVRHD RECEIVER S T R I P P E R A B S O R B E R FURNACE FEED H2 RECYCLE HY.MAKEUP OFF GAS STEAM DESULPHURISED DIESEL FUEL GAS DHDTU FLOW DIAGRAM

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Objective : To Meet the Hydrogen requirement for DHDT. 􀂄Feed : Natural Gas / Naphtha and FeedCatalyst : Co-Mo for Hydrotreater ZnO /K2Co3 for H2S and Chloride adsorber NiO for Preformer Ni for Reformer 1. HGU Product is 99.99% Pure Hydrogen 2. Operating Conditions : Temperature range : 860-870 Deg C System Pressure : 20-38 kg/cm2(g) HYDROGEN GENERATION UNIT…

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Objective : To Reduce the SO2 emission from the Refinery by recovering Sulphurfrom Amine Acid and Sour Gases produced during various HydrotreatingProcess . 􀂄 Feed : Amine Acid gases and Sour acid gases 􀂄 Typical Operating Conditions : Temperature Range : 195-320 Deg C Pressure : 0.56 kg/cm2(g) Typical PRODUCTS:- 1.OFF GAS 0.1% TO STACK 2.SULPHUR 99.90 SULPHUR YARD TO DISPATCH SULPHUR RECOVERY UNIT PROCESSING…

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