A membrane-assisted hydrogen and carbon oxides separation from flare gas and recovery to a commercial methanol reactor

Khanipour, Mina; Mirvakili, A.; Bakhtyari, Ali; Farniaei, Mehdi; Rahimpour, Mohammad Reza

doi:10.1016/j.ijhydene.2019.04.149

Cited by 22 publications

(5 citation statements)

References 48 publications

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“…Powder kinetics. Some of the most commonly used kinetic models for methanol synthesis are the models provided by Graaf 13,[34][35][36][37] and Vanden Bussche and Froment. 15,[38][39][40][41] Graaf's kinetic model is based on the stepwise hydration of CO and CO 2 with the rate determining step (rds) determined by an error discussion of the 48 possible combinations of rds of COhydrogenation, CO 2 -hydrogenation and reverse WGS (rWGS).…”

Section: Reaction Chemistry and Engineering Papermentioning

confidence: 99%

A novel approach for kinetic measurements in exothermic fixed bed reactors: advancements in non-isothermal bed conditions demonstrated for methanol synthesis

et al. 2021

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Section: Reaction Chemistry and Engineering Papermentioning

confidence: 99%

A novel approach for kinetic measurements in exothermic fixed bed reactors: advancements in non-isothermal bed conditions demonstrated for methanol synthesis

et al. 2021

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“…HTS-WGS kinetics from Hla et al (2009) [ 40 ] and LTS-WGS kinetics from Choi et al (2003) [ 42 ] were adopted for the simulation. Both the WGS reactors were considered adiabatic and pressure drop was calculated by the Ergun relationship [ 43 ].…”

Section: Methodsmentioning

confidence: 99%

“…The heat exchanger E1 heats the compressed syngas for the HTS-WGS at 400 • C. Water is vaporized and superheated to 400 • C by E2. As mentioned in the introduction part, in the HTS-WGS reactor, Fe 2 O 4 /Cr 2 O 3 is usually used as the catalyst [40]. WGS is an exothermic reaction, so in the adiabatic reactor the increase in temperature causes a decrease in the reaction equilibrium conversion [41].…”

Section: Flowsheet Descriptionmentioning

confidence: 99%

Techno-Economic Assessment of Bio-Syngas Production for Methanol Synthesis: A Focus on the Water–Gas Shift and Carbon Capture Sections

2020

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The biomass-to-methanol process may play an important role in introducing renewables in the industry chain for chemical and fuel production. Gasification is a thermochemical process to produce syngas from biomass, but additional steps are requested to obtain a syngas composition suitable for methanol synthesis. The aim of this work is to perform a computer-aided process simulation to produce methanol starting from a syngas produced by oxygen–steam biomass gasification, whose details are reported in the literature. Syngas from biomass gasification was compressed to 80 bar, which may be considered an optimal pressure for methanol synthesis. The simulation was mainly focused on the water–gas shift/carbon capture sections requested to obtain a syngas with a (H2 – CO2)/(CO + CO2) molar ratio of about 2, which is optimal for methanol synthesis. Both capital and operating costs were calculated as a function of the CO conversion in the water–gas shift (WGS) step and CO2 absorption level in the carbon capture (CC) unit (by Selexol® process). The obtained results show the optimal CO conversion is 40% with CO2 capture from the syngas equal to 95%. The effect of the WGS conversion level on methanol production cost was also assessed. For the optimal case, a methanol production cost equal to 0.540 €/kg was calculated.

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“…This ared gas recovery approach increases the production of pure hydrogen and greenhouse gas emissions from the are at the Asalouyeh gas processing plant in Iran can be signi cantly reduced. The recovery of hydrogen and carbon dioxide from a methanol plant as a ared gas recovery process has been studied by (Khanipour et al 2020). recovery processes in Iran and concluded that there is a potential to save $5 billion per year by producing electricity from the quantity of ared gas currently used.…”

Section: Review Of Literaturementioning

confidence: 99%

Flare gas recovery at an LNG plant GL1/Z -Arzew

Guella,

Khalfi,

Ouazani

et al. 2023

Preprint

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Natural gas is the fastest growing source of fossil energy since the 1970s. Due to its economic and environmental benefits, natural gas is becoming more attractive to many countries every day. The properties of this product, as for example, the low combustion range characterizing it, make it one of the most used reliable sources known to date. Currently, it is the second most used energy source after oil. The GL1/Z plant -Arzew -SONATRACH Company is designed for the liquefaction of natural gas, which is an essential way of transporting gas over long distances. This liquefaction (at -160 ° C) is obtained by successive cooling through compressed refrigerants and then relaxed between two pressure stages. This liquefaction technique consumes a lot of gas considered as internal consumption. In addition to this loss, there is a certain amount of gas that is flared during startup which accounts for about 2/3 of the total amount of flared gas. The reduction of flared gases is important to reduce carbon emissions and rationally use natural gas. In this work we simulate by ASPEN-HYSYS software a three method of gas flare recovery such as power electric generation, LPG (Liquid Petroleum Gas ), and GTL technology (Gas to liquids) to evaluate natural gas resources of GL1/Z plant (SONATRACH Industry –Algeria).

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A membrane-assisted hydrogen and carbon oxides separation from flare gas and recovery to a commercial methanol reactor

Cited by 22 publications

References 48 publications

A novel approach for kinetic measurements in exothermic fixed bed reactors: advancements in non-isothermal bed conditions demonstrated for methanol synthesis

A novel approach for kinetic measurements in exothermic fixed bed reactors: advancements in non-isothermal bed conditions demonstrated for methanol synthesis

Techno-Economic Assessment of Bio-Syngas Production for Methanol Synthesis: A Focus on the Water–Gas Shift and Carbon Capture Sections

Flare gas recovery at an LNG plant GL1/Z -Arzew

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