Simulation of Dehydration Unit with a Pre-cooler to Improve the Hydrate Formation Temperature of Natural Gas
Simulation of Dehydration Unit with a Pre-cooler to Improve the Hydrate Formation Temperature of Natural Gas

Hadi Amidzadeh; Ebrahim Nemati Lay; Alireza Mohebbi; Erfan Kameli

Volume 10, Issue 1 , March 2022, , Pages 95-112

https://doi.org/10.22108/gpj.2022.133839.1120

Abstract
  The presence of water vapor in natural gas can cause several problems such as corrosion in transmission pipelines, blockage of equipment, and reduction of pipeline capacity. Dehydration ...  Read More
Improvement of Methanol Synthesis Process by using a Novel Sorption-Enhanced Fluidized-bed Reactor, Part II: Multiobjective Optimization and Decision-making Method
Improvement of Methanol Synthesis Process by using a Novel Sorption-Enhanced Fluidized-bed Reactor, Part II: Multiobjective Optimization and Decision-making Method

M. Bayat

Volume 5, Issue 1 , January 2017, , Pages 34-42

https://doi.org/10.22108/gpj.2017.103259.1012

Abstract
  In the first part (Part I) of this study, a novel fluidized bed reactor was modeled mathematically for methanol synthesis in the presence of in-situ water adsorbent named Sorption Enhanced ...  Read More
Saving Energy by Exergetic Analysis of MTP Process Refrigeration System
Saving Energy by Exergetic Analysis of MTP Process Refrigeration System

Farid Sadeghian Jahromi; Masoud Beheshti

Volume 5, Issue 1 , January 2017, , Pages 43-54

https://doi.org/10.22108/gpj.2017.104647.1014

Abstract
  The exergetic analysis is a tool that has been used successfully in many studies aiming a more rational energy consumption to reduce the cost of processes. With this analysis, it is ...  Read More
Improvement of Methanol Synthesis Process through a Novel Sorption-Enhanced Fluidized-bed Reactor, Part I: Mathematical Modeling
Improvement of Methanol Synthesis Process through a Novel Sorption-Enhanced Fluidized-bed Reactor, Part I: Mathematical Modeling

M. Bayat

Volume 4, Issue 2 , August 2016, , Pages 45-64

https://doi.org/10.22108/gpj.2017.103258.1011

Abstract
  In the first part of two section paper, a mathematical model of the fluidized bed reactor in the presence of in-situ water adsorbent for methanol synthesis is assessed. The bubbling ...  Read More
A Three-Coefficient Model with Global Optimization for Heavy End Characterization of Gas Condensate PVT Data
A Three-Coefficient Model with Global Optimization for Heavy End Characterization of Gas Condensate PVT Data

Shahriar Osfouri; Reza Azin

Volume 4, Issue 2 , August 2016, , Pages 65-78

https://doi.org/10.22108/gpj.2017.102382.1008

Abstract
  Characterization of heavy end, as plus fraction, is among the most crucial steps in predicting phase behavior of a hydrocarbon fluid system. Proper selection of single carbon number ...  Read More
Comprehensive Multi-Criteria Comparison and Ranking of Natural Gas Liquefaction Process by Analytic Hierarchy Process (AHP)
Comprehensive Multi-Criteria Comparison and Ranking of Natural Gas Liquefaction Process by Analytic Hierarchy Process (AHP)

Hojat Ansarinasab; Mahmoud Afshar; Mehdi Mehrpooya

Volume 3, Issue 2 , October 2015, , Pages 25-44

https://doi.org/10.22108/gpj.2015.20404

Abstract
  Several processes have been proposed for natural gas liquefaction due to the vast utilization of LNG as a reliable and relatively easy to use fuel. Even though the merits and demerits ...  Read More
A Study on Performance of Solid Oxide Fuel Cell-Stirling Engine Cycle Combined System- Part I: SOFC Simulation by Programming in Matlab and Modeling in Hysys
A Study on Performance of Solid Oxide Fuel Cell-Stirling Engine Cycle Combined System- Part I: SOFC Simulation by Programming in Matlab and Modeling in Hysys

Mohammad-Ali Ramezani; Majid Amidpour; Mohammad Najafi; Majid Abbaspour

Volume 3, Issue 2 , October 2015, , Pages 55-70

https://doi.org/10.22108/gpj.2015.20406

Abstract
  In recent years, using new methods in utilization of energy resources has become necessary due to environmental pollution and restriction of energy resources. The hybrid system presented ...  Read More
Correlation and Prediction of Acid Gases Solubility in Various Aqueous Alkanolamine Solutions Using Electrolyte Cubic Square-Well Equation of State
Correlation and Prediction of Acid Gases Solubility in Various Aqueous Alkanolamine Solutions Using Electrolyte Cubic Square-Well Equation of State

Masoudi Jafari Golnesae; Seyed Hossein Mazloumi

Volume 3, Issue 2 , October 2015, , Pages 83-116

https://doi.org/10.22108/gpj.2015.20407

Abstract
  The object of this work is solubility correlation and prediction of CO2 and H2S in various aqueous alkanolamines using the electrolyte cubic square-well equation of state (eCSW EoS) ...  Read More
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

https://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

https://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
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

https://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
The Mathematical Method and Thermodynamic Approaches to Design Multi-Component Refrigeration used in Cryogenic Process Part II: Optimal Arrangement
The Mathematical Method and Thermodynamic Approaches to Design Multi-Component Refrigeration used in Cryogenic Process Part II: Optimal Arrangement

Mostafa Mafi; Bahram Ghorbani; Gholam Reza Salehi; Majid Amidpour; Seyed Mojtaba Mousavi Nayenian

Volume 2, Issue 1 , January 2014, , Pages 32-39

https://doi.org/10.22108/gpj.2014.20398

Abstract
    A refrigeration cycle is a chain of various pieces of equipment including compressors, condensers, evaporators, and expansion devices each of which takes on a particular thermodynamic ...  Read More
A Unified Approach for Quality Control of Drilled Stem Test (DST) and PVT Data
A Unified Approach for Quality Control of Drilled Stem Test (DST) and PVT Data

Shahab Gerami; Mahboobeh Kiani Zakheradi; Reza Azin; Shahriar Osfouri

Volume 2, Issue 1 , January 2014, , Pages 40-50

https://doi.org/10.22108/gpj.2014.20174

Abstract
  Finding a representative fluid in a hydrocarbon reservoir is crucial for integrated reservoir management. In this study, a systematic approach for screening and selecting consistent ...  Read More
Optimal Synthesis of a Cascade Refrigeration System of LNG Through MINLP Model for Pure Refrigerant Cycles
Optimal Synthesis of a Cascade Refrigeration System of LNG Through MINLP Model for Pure Refrigerant Cycles

Seyed Mostafa Mousavi Naeynian; Majid Amidpour; Meysam Kamalinezhad

Volume 2, Issue 1 , January 2014, , Pages 51-68

https://doi.org/10.22108/gpj.2014.20175

Abstract
   liquefied natural gas (LNG) is the most economical way of transporting natural gas (NG) over long distances. Liquefaction of NG by using vapor compression refrigeration ...  Read More
Mathematical Method and Thermodynamic Approaches to Design Multi-Component Refrigeration Used in Cryogenic Process Part I: Optimal Operating Conditions
Mathematical Method and Thermodynamic Approaches to Design Multi-Component Refrigeration Used in Cryogenic Process Part I: Optimal Operating Conditions

Mostafa Mafi; Majid Amidpour; Mojtaba Nayenian; Gholam Reza Salehi; Bahram Ghorbani

Volume 1, Issue 2 , April 2013, , Pages 13-21

https://doi.org/10.22108/gpj.2013.20165

Abstract
  Abstract: Minimizing the work consumed in refrigeration system is the most effective measure to reduce the cost of products in sub-ambient chemical processes. The introduction of mixed ...  Read More
Investigating the Performance of Amine-Grafted Silica-Base Adsorbents in CO2 Removal from a Natural Gas Stream Using a Diffusion Based Mathematical Model
Investigating the Performance of Amine-Grafted Silica-Base Adsorbents in CO2 Removal from a Natural Gas Stream Using a Diffusion Based Mathematical Model

Foad Aghamiri; Mohammad Reza Talaie; Mohsen Gholami

Volume 1, Issue 2 , April 2013, , Pages 22-30

https://doi.org/10.22108/gpj.2013.20167

Abstract
  Abstract:  In this study adiffusion based mathematical model was developed to compare the performance of amine-grafted adsorbents with that of 13X zeolite in a fixed-bed ...  Read More
Prediction of Structural Changes in Gas Hydrate for Methane and Ethane Mixture by Using Tangent Plane Distance Minimization
Prediction of Structural Changes in Gas Hydrate for Methane and Ethane Mixture by Using Tangent Plane Distance Minimization

Farshad Varaminian; Hadi Behjati Rad

Volume 1, Issue 2 , April 2013, , Pages 41-48

https://doi.org/10.22108/gpj.2013.20168

Abstract
  Abstract:  In this study, the change in the crystalline structure of gas hydrate was predicted for ternary mixture of methane-ethane-water. For this purpose, the tangent ...  Read More
Selection of the Best Efficient Method for Natural Gas Storage at High Capacities Using TOPSIS Method
Selection of the Best Efficient Method for Natural Gas Storage at High Capacities Using TOPSIS Method

Alireza Sanaei; Seyed Hamidreza Yousefi; Ehsan Khamehchi

Volume 1, Issue 1 , January 2013, , Pages 9-18

https://doi.org/10.22108/gpj.2013.20161

Abstract
  Nowadays one of the most important energy sources is natural gas. By depletion of oil reservoirs in the world, natural gas will emerge as the future energy source for human ...  Read More
Predicting the Hydrate Formation Temperature by a New Correlation and Neural Network
Predicting the Hydrate Formation Temperature by a New Correlation and Neural Network

Hamidreza Yousefi; Ebrahim Shamohammadi; Ehsan Khamehchi

Volume 1, Issue 1 , January 2013, , Pages 41-50

https://doi.org/10.22108/gpj.2013.20158

Abstract
  Gas hydrates are a costly problem when they plug oil and gas pipelines. The best way to determine the HFT and pressure is to measure these conditions experimentally for every gas system. ...  Read More