Research Article
Exergoeconomic Evaluation of an Integrated Nitrogen Rejection Unit with LNG and NGL Co-Production Processes Based on the MFC and Absorbtion Refrigeration Systems
Exergoeconomic Evaluation of an Integrated Nitrogen Rejection Unit with LNG and NGL Co-Production Processes Based on the MFC and Absorbtion Refrigeration Systems

Bahram Ghorbani; Mohammad-Hossein Hamedi; Majid Amidpour

Volume 4, Issue 1 , January 2016, Pages 1-28

http://dx.doi.org/10.22108/gpj.2016.20410

Abstract
  Natural gas is often associated with nitrogen and heavy compounds. The Heavy components in the natural gas not only can feed downstream units, owing to the low temperature process may ...  Read More
Research Article
Preparation of Graphene-amine Nanofluid for Absorption of Carbon Dioxide (CO2) and Hydrogen Sulfide (H2S) from a Natural Gas Stream in a Wetted Wall Column
Preparation of Graphene-amine Nanofluid for Absorption of Carbon Dioxide (CO2) and Hydrogen Sulfide (H2S) from a Natural Gas Stream in a Wetted Wall Column

Ali Mohebbi; Mahboobeh Taheri; Hassan Hashemipour; Ali Morad Rashidi

Volume 4, Issue 1 , January 2016, Pages 29-42

http://dx.doi.org/10.22108/gpj.2016.20409

Abstract
      In this study, it was shown that how CO2 and H2S were removed from a natural gas stream, using a nanofluid containing nanoporous graphene in Diehanolamine (DEA). Before ...  Read More
Research Article
Area Energy and Throughput Targeting in Debottlenecking of Heat Exchanger Networks with Decomposition Approach
Area Energy and Throughput Targeting in Debottlenecking of Heat Exchanger Networks with Decomposition Approach

Sara Kafashian; Gholam Reza Salehi; Majid Amidpour

Volume 4, Issue 1 , January 2016, Pages 43-54

http://dx.doi.org/10.22108/gpj.2016.20408

Abstract
  For energy saving retrofit projects, its economics are usually evaluated in terms of capital investment and payback time. The capital investment is in direct relation to the total heat ...  Read More
Research Article
Visual Observation of Flow Regime Transition in Downward Vertical Gas-Liquid Flow Using Simple Mixer
Visual Observation of Flow Regime Transition in Downward Vertical Gas-Liquid Flow Using Simple Mixer

Farhad Raeiszadeh; Ebrahim Hajidavalloo; Morteza Behbahaninejad; Pedram Hanafizadeh

Volume 4, Issue 1 , January 2016, Pages 53-62

http://dx.doi.org/10.22108/gpj.2016.21588

Abstract
  Different flow patterns of downward gas-liquid two-phaseflow using simple mixer are studied in an experimental manner. An experimental setup is designed and fabricated to allow the ...  Read More
Research Article
The Effect of 1-Butanol Co-Feeding on Propylene Production in the MTP Reaction
The Effect of 1-Butanol Co-Feeding on Propylene Production in the MTP Reaction

Masoud Beheshti; Mohammad Javad Hosseini Abouali; Ataallah Sari

Volume 4, Issue 1 , January 2016, Pages 63-72

http://dx.doi.org/10.22108/gpj.2016.21589

Abstract
  The propylene production with 1-butanol co-feeding for methanol in relation to propylene process (MTP) at 440-490 ̊C temperature range and at 0.9-15 hr-1 WHSV range over H-ZSM-5 zeolite ...  Read More
Research Article
Positive Coupling Effect in Gas Condensate Flow Capillary Number Versus Weber Number
Positive Coupling Effect in Gas Condensate Flow Capillary Number Versus Weber Number

Mohammad Mohammadi-Khanaposhtani

Volume 4, Issue 1 , January 2016, Pages 73-82

http://dx.doi.org/10.22108/gpj.2016.21608

Abstract
  Positive coupling effect in gas condensate reservoirs is assessed through a pure theoretical approach. A combination of linear stability analysis and long bubble approximation is applied ...  Read More