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Paper Information

Title: 

AN INVESTIGATION TO SURVEY THE EFFECT OF THERMAL CONDITION OF THE RISER REACTOR WALL ON ITS PERFORMANCE IN A FCC UNIT

Type: PAPER
Author(s): SHAHCHERAGHI MOHAMMAD,FARNIAEI MEHDI,JAVADI SHOKROO EHSAN
 
 
 
Name of Seminar: INTERNATIONAL CONFERENCE OIL, GAS, PETROCHEMICAL AND POWER PLANT
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVONI AMOZESHI PAZHOHESHI VESTA
Date:  2012Volume 1
 
 
Abstract: 

FLUIDIZED BED CATALYTIC CRACKING UNIT (FCCU) IS ONE OF THE MOST IMPORTANT PROCESSES IN REFINERY, SOMETIMES CALLED AS THE HEART OF REFINERY, SINCE IT IS THE MAIN RESPONSIBLE FOR THE PROFITABLE CONVERSION OF HEAVY GAS OIL INTO COMMERCIAL VALUABLE PRODUCTS. BECAUSE OF THE COMMERCIAL IMPORTANCE OF FCCU, A MATHEMATICAL MODELING IS REQUIRED FOR BETTER UNDERSTANDING AND IMPROVING THE UNIT PRODUCTIVITY. IN THIS WORK, A ONE DIMENSIONAL DYNAMIC MODEL FOR THE RISER REACTOR WAS DEVELOPED IN THREE DISTINCT WALL THERMAL CONDITIONS: 1- INDUSTRIAL FCCU WITH ADIABATIC WALL THERMAL CONDITION, 2- FCCU USING NON-ADIABATIC WALL THERMAL CONDITION AND 3- RISER REACTOR WITH A CONSTANT WALL TEMPERATURE. THE RESULTS OF THE CONVECTIONAL FCCU SIMULATION SHOW GREAT COMPATIBILITY WITH THE PLANT DATA IN HAND. FINALLY, SIMULATIONS RESULTS SHOW THAT INCREASING OF TEMPERATURE WILL BE LEAD TO INCREASING GAS OIL CONVERSION. HOWEVER, THIS EXTRA GAS OIL CONVERSION IS LEADING CAUSE OF INCREASE THE UNDESIRABLE PRODUCT SUCH AS COKE.

 
Keyword(s): FLUIDIZED BED CATALYTIC CRACKING, RISER REACTOR, SIMULATION, MATHEMATICAL MODELING, ADIABATIC WALL, NON-ADIABATIC WALL, CONSTANT TEMPERATURE
 
 
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