Gas Processing Journal

Editorial

Vol.6, No.1, 2018

Volume 6, Issue 1 , January 2018, Pages 0-1

https://doi.org/10.22108/gpj.2018.23420

Abstract

Plant-wide Simulation of an Integrated Zero-Emission Process to ‎Convert Flare Gas to Gasoline

Mostafa Jafari; Sadaf Ashtab; Alireza Behroozsarand; Kamran Ghasemzadeh; David A Wood

Volume 6, Issue 1 , January 2018, Pages 1-20

https://doi.org/10.22108/gpj.2018.111048.1028

Abstract

The Gas to Gasoline (GTG) process includes conversion of natural, flare, and associated gas into synthetic fuels that can be compositionally upgraded and adjusted into different useful ... Read More The Gas to Gasoline (GTG) process includes conversion of natural, flare, and associated gas into synthetic fuels that can be compositionally upgraded and adjusted into different useful hydrocarbon fuels including gasoline, liquid petroleum gas (LPG), and fuel gas. Commonly, the GTG process involves three stages: 1) Synthesis gas (syngas) production unit 2) Methanol production unit 3) Methanol to Gasoline production unit (MTG). In this study, an integrated Flare Gas to Gasoline (FGTG) process for converting flare gas to gasoline, LPG and fuel gas is simulated using the Aspen HYSYS v. 8.8 simulator. The steam methane reforming (SMR) unit, the syngas to methanol unit, and the MTG unit are configured for simulation as an integrated FGTG process. In order to reduce carbon dioxide gas emissions to the atmosphere, a novel closed arrangement for the FGTG process (recycling configuration) is described and simulated. The simulation results demonstrate that by recycling all gas emissions, such as flare and off gas from the methanol and MTG units back into the process cycle, gasoline and LPG productivity can be increased on average by about 53% and 10%, respectively, compared to a base FGTG configuration that does not involve such recycling. The integrated simulation is supported by sensitivity analysis based on FGTG plants of various natural gas capacities (from 70,000 to 130,000 lb./hr.) as the adjustable (independent) variable and gasoline, LPG, and fuel gas selectivity as the dependent variables. Results of the simulation cases reveal that the total productivity of the integrated FGTG process could be increased in terms of flare gas mass flow, with the selectivity of products remaining approximately fixed for different plant capacities (i.e., at 75% for the gasoline product). Moreover, the utilities and energy consumption of the FGTG process is compared for several sensitivity cases. The results reveal that by increasing the capacity of the gas feed (natural gas mass flow) the Energy Index (i.e., total utilities consumption to product flow rate) decreased by about 8% and 47% in the base and recycling configurations, respectively. This finding suggests that an FGTG plant becomes more energy efficient at in higher-capacity plants.

Research Article

Experimental Study of Chemical Absorption of CO2 in a Bench-Scale Spray Dryer Absorber

leila kavoshi; Amir Rahimi; Mohammad Sadegh Hatamipour

Volume 6, Issue 1 , January 2018, Pages 21-28

https://doi.org/10.22108/gpj.2018.109349.1023

Abstract

The removal of CO2 through chemical absorption in a bench-scale spray dryer absorber was investigated experimentally using the lime slurry as absorbent. The effect of important operating ... Read More

Research Article

Thermodynamic analysis of three combined power and refrigeration ‎Systems based on a demand

Hooman Golchoobian; Majid Amidpour; Omid Pourali

Volume 6, Issue 1 , January 2018, Pages 29-40

https://doi.org/10.22108/gpj.2018.110956.1026

Abstract

Three combined power and refrigeration system are introduced to compare and analyze for a defined demand and same fuel consumption based on thermodynamic parameters in a 24 hours period. ... Read More

Research Article

Advanced Exergoeconomic Analysis of C3MR, MFC and DMR ‎Refrigeration Cycles in an Integrated Cryogenic Process

Vahid Ghazizadeh; Bahram Ghorbani; Reza Shirmohammadi; Mehdi Mehrpooya; Mohammad Hosein Hamedi

Volume 6, Issue 1 , January 2018, Pages 41-71

https://doi.org/10.22108/gpj.2018.111251.1032

Abstract

C3MR, MFC, and DMR processes in an integrated LNG-NGL-NRU structure are investigated using the conventional and advanced exergy and exergoeconomic analyses. The results of advanced ... Read More

Research Article

Effect of Geometrical Parameters on the Flow Pattern and Performance ‎of Gas-Particle Separators: A Numerical Study

Mehdi Miansari ‎; Ghasem Najarian Darounkolaie; Behnam Amini

Volume 6, Issue 1 , January 2018, Pages 72-84

https://doi.org/10.22108/gpj.2018.112320.1037

Abstract

Air and gas pollution has become a critical problem endangering species life worldwide. Among all technologies proposed to solve this problem, separators including cyclones have attracted ... Read More

Research Article

Development and Optimization of an Integrated Process Conﬁguration for IGCC Power Generation Technology with a Fischer-Tropsch Fuels from Coal and Biomass

Malek Shariati Niassar

Volume 6, Issue 1 , January 2018, Pages 85-108

https://doi.org/10.22108/gpj.2018.112760.1038

Abstract

The conversion of coal into high-quality fuels is carried out through gasification, syngas production and the process of Fischer-Tropsch. Additionally, produced syngas derived from ... Read More

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Volume & Issue: Volume 6, Issue 1, January 2018

Vol.6, No.1, 2018

Abstract

Plant-wide Simulation of an Integrated Zero-Emission Process to ‎Convert Flare Gas to Gasoline

Abstract

Experimental Study of Chemical Absorption of CO2 in a Bench-Scale Spray Dryer Absorber

Abstract

Thermodynamic analysis of three combined power and refrigeration ‎Systems based on a demand

Abstract

Advanced Exergoeconomic Analysis of C3MR, MFC and DMR ‎Refrigeration Cycles in an Integrated Cryogenic Process

Abstract

Effect of Geometrical Parameters on the Flow Pattern and Performance ‎of Gas-Particle Separators: A Numerical Study

Abstract

Development and Optimization of an Integrated Process Conﬁguration for IGCC Power Generation Technology with a Fischer-Tropsch Fuels from Coal and Biomass

Abstract