Selecting Optimal Acid Gas Enrichment Configuration For Khangiran Natural Gas Refinery
Selecting Optimal Acid Gas Enrichment Configuration For Khangiran Natural Gas Refinery

Ali Garmroodi Asil; Akbar Shahsavand

Volume 2, Issue 2 , February 2014, Pages 1-21

http://dx.doi.org/10.22108/gpj.2014.20179

Abstract
    Performance and capacity of sulfur recovery unit (SRU) are greatly affected by the H2S:CO2 ratio of the acid gas stream. The acid gases in Iran contain around 35 mol% ...  Read More
Mathematical Modeling of Gas Adsorption Processes in Packed Bed: The Role of Numerical Methods on Computation Time
Mathematical Modeling of Gas Adsorption Processes in Packed Bed: The Role of Numerical Methods on Computation Time

Maryam Mashayekhpour; Mohammadreza Talaie

Volume 2, Issue 2 , February 2014, Pages 23-38

http://dx.doi.org/10.22108/gpj.2014.20176

Abstract
  Rigorous mathematical modeling of adsorption processes in packed beds involves time-consuming computations which are considered as the fundamental weakness of such thorough mathematical ...  Read More
Research Article
Thermodynamic and Economic Optimization of a Refrigeration Cycle for Separation Units in the Petrochemical Plants Using Pinch Technology and Exergy Syntheses Analysis
Thermodynamic and Economic Optimization of a Refrigeration Cycle for Separation Units in the Petrochemical Plants Using Pinch Technology and Exergy Syntheses Analysis

Soheil Sheikhi; Bahram Ghorbani; Reza Shirmohammadi; Mohammad-Hossein Hamedi

Volume 2, Issue 2 , February 2014, Pages 39-51

http://dx.doi.org/10.22108/gpj.2014.20422

Abstract
  Exergy and thermoeconomic analyses are herein employed to evaluate the proposed refrigeration cycle of Tabriz olefin plant. The exergetic and exergoeconomic variables of all equipment ...  Read More
Modeling the Solubility of Acid Gases in Ionic Liquids
Modeling the Solubility of Acid Gases in Ionic Liquids

Cyrus Ghotbi; Mohammadali Safavi; Maryam Tavakolmoghadam

Volume 2, Issue 2 , February 2014, Pages 53-66

http://dx.doi.org/10.22108/gpj.2014.20178

Abstract
  In this work, the PC-SAFT equation of state (EoS) has been used to model the solubility of acid gases (CO2 and H2S) in two imidazolium-based ionic liquids (ILs) ([C8-mim][PF6] and [C8-mim][Tf2N]). ...  Read More
Investigating the Effects of Inlet Conditions and Nozzle Geometry on the Performance of Supersonic Separator Used for Natural Gas Dehumidification
Investigating the Effects of Inlet Conditions and Nozzle Geometry on the Performance of Supersonic Separator Used for Natural Gas Dehumidification

Akbar Shahsavand; Seyed Heydar Rajaee Shooshtari

Volume 2, Issue 2 , February 2014, Pages 67-80

http://dx.doi.org/10.22108/gpj.2014.20180

Abstract
  Supersonic separators have found extensive applications in dehumidification of natural gases since 2003. Unlike previous studies, which have investigated the inlet conditions and nozzle ...  Read More
Developing a Novel Temperature Model in Gas Lifted Wells to Enhance the Gas Lift Design
Developing a Novel Temperature Model in Gas Lifted Wells to Enhance the Gas Lift Design

Farzaneh Rabiee Shirehjini; Peyman Pourafshari; Ayub Zamani

Volume 2, Issue 2 , February 2014, Pages 81-85

http://dx.doi.org/10.22108/gpj.2014.20177

Abstract
  In the continuous gas lift operation, compressed gas is injected into the lower section of tubing through annulus. The produced liquid flow rate is a function of gas injection rate ...  Read More