Original Article
Transparent Machine Learning Algorithm Offers Useful Prediction Method for Natural Gas Density
1. Transparent Machine Learning Algorithm Offers Useful Prediction Method for Natural Gas Density

David Wood; Abouzar Choubineh

Volume 6, Issue 2 , Autumn 2018, Pages 1-14

http://dx.doi.org/10.22108/gpj.2018.112015.1035

Abstract
  Machine-learning algorithms aid predictions for complex systems with multiple influencing variables. However, many neural-network related algorithms behave as black boxes in terms of ...  Read More
Original Article
Evaluation of Empirical Correlations for Predicting Gas Hydrate Formation Temperature
2. Evaluation of Empirical Correlations for Predicting Gas Hydrate Formation Temperature

Sakineh Chavoshi; Mani Safamirzaei; F Pajoum Shariati

Volume 6, Issue 2 , Autumn 2018, Pages 15-36

http://dx.doi.org/10.22108/gpj.2018.112052.1036

Abstract
  One of the important, practical and simple methods for hydrate formation conditionis empirical equations, and so far many empirical equations have been presented to predict thetemperature ...  Read More
Original Article
Identification of the Sources of Energy Loss through Exergy Analysis: Case Study of Marun Mega-Olefin Plant
3. Identification of the Sources of Energy Loss through Exergy Analysis: Case Study of Marun Mega-Olefin Plant

Mosayeb Paashang; Seyyed Mohammad Sharifi; Gholamreza Salehi

Volume 6, Issue 2 , Autumn 2018, Pages 37-48

http://dx.doi.org/10.22108/gpj.2018.108844.1020

Abstract
  One of the industries with high potential for energy saving is the petrochemical industry. Ethylene and propylene production plants (olefin plants) – as a part of the petrochemical ...  Read More
The Effect of Sodium and Chloride Salts on Tetrahydrofuran Hydrate Formation by Using a Differential Scanning Calorimetry
4. The Effect of Sodium and Chloride Salts on Tetrahydrofuran Hydrate Formation by Using a Differential Scanning Calorimetry

Parisa Naeiji; Farshad Varaminian

Volume 6, Issue 2 , Autumn 2018, Pages 49-60

http://dx.doi.org/10.22108/gpj.2019.113741.1044

Abstract
  In this study, a differential scanning calorimetry (DSC) has been used to characterize tetrahydrofuran (THF) hydrate formation with and without the presence of sodium and chloride salts. ...  Read More
Reactor Rearrangement of an Industrial Ethylbenzene Production Unit
5. Reactor Rearrangement of an Industrial Ethylbenzene Production Unit

Hossein Soltanalizadeh Maleki; Alireza Behroozsarand; Kamran Ghasemzadeh

Volume 6, Issue 2 , Autumn 2018, Pages 61-74

http://dx.doi.org/10.22108/gpj.2019.113339.1042

Abstract
  In this paper, an industrial ethylbenzene production unit and two new reactor arrangements have been simulated and the results were compared. In most petrochemical plants, ethylene ...  Read More
Prediction of Thermodynamic Properties of Helium and Neon as Working Fluids in Cryogenic Processes using Fundamental Equations of States
6. Prediction of Thermodynamic Properties of Helium and Neon as Working Fluids in Cryogenic Processes using Fundamental Equations of States

Mohammad Maboudi; Masoud Ziabasharhagh; Mostafa Mafi

Volume 6, Issue 2 , Autumn 2018, Pages 75-84

http://dx.doi.org/10.22108/gpj.2019.24025

Abstract
  Design and optimization of various thermodynamic processes that are used in chemical industries such as low- temperature refrigeration and cryogenic cycles, requires computer software ...  Read More