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Paper Information

Title: 

ROTARY-SHELL, FAST-CYCLE PRESSURE SWING ADSORPTION (RS-FC-PSA) SYSTEM TO NITROGEN PRODUCTION FROM AIR

Type: PAPER
Author(s): FARNIAEI MEHDI,JAVADI SHOKROO EHSAN*,SHAHCHERAGHI MOHAMMAD
 
 *
 
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: 

THE DISADVANTAGES OF THE CONVENTIONAL PRESSURE SWING ADSORPTION (PSA) UNITS ARE: 1- SEMI-CONTINUITY, 2- LOWER PRODUCT RECOVERY, 3- NOT AN ENERGY EFFICIENT CONTRAST TO CORRESPOND METHODS, 4- HIGHER OPERATING AND INVESTMENT COSTS AND 5- LARGE SIZE SYSTEM. THEREFORE, TO OVERCOME THESE DEFECTS, A NOVEL PSA SYSTEM (RS-FC-PSA) TO NITROGEN PRODUCTION FROM AIR USING CARBON MOLECULAR SIEVE (CMS) ADSORBENT IS DESIGNED AND IT WAS STUDIED BY MATHEMATICAL MODELING AND NUMERICAL SIMULATION. THE MODEL EQUATIONS IN THE GAS PHASE INCLUDE MASS AND MOMENTUM BALANCES. IN ADDITION, THE 1-D AND RADIAL FLOW DYNAMIC MODEL WAS PRESENTED DUE TO THE GAS FLOW IN THE BED IS IN RADIAL DIRECTION. FURTHERMORE, THE ISOTHERMAL OPERATION IS ASSUMED. IN THIS SYSTEM, A BED WITH THE ROTARY-SHELL THAT OPERATES BASED ON A 10-STEP CYCLE IS PRESENTED, IN CONTRAST TO CONVENTIONAL SYSTEMS, WHICH TWO OR MORE BEDS PERIODICALLY OPERATE. FINALLY, THE SIMULATION RESULTS INDICATE THAT THIS SYSTEM HAD A BIG ADVANTAGE OVER THE REAL INDUSTRIAL PSA UNIT.

 
Keyword(s): ROTARY-SHELL PRESSURE SWING ADSORPTION, NITROGEN PRODUCTION FROM AIR, PROCESS DESIGN, MATHEMATICAL MODELING, NUMERICAL SIMULATION, CARBON MOLECULAR SIEVE
 
 
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