Analysis of CO2 utilization for methanol synthesis integrated with enhanced gas recovery

Luu, Minh Tri; Milani, Dia; Abbas, Ali

doi:10.1016/j.jclepro.2015.10.119

Cited by 46 publications

(17 citation statements)

References 18 publications

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“…Other impurities are neglected while the entire native CO 2 is utilized for syngas production. This approach further enhances the feasibility of the overall process as the CO 2 removal unit in the NG purification step is no longer required [10]. In addition, the native CO 2 is now utilized as a carbon feedstock, thus promoting the sustainability aspect of the process.…”

Section: Solar Reforming For Dme Production Case Studymentioning

confidence: 99%

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Model-based analysis of CO2 revalorization for di-methyl ether synthesis driven by solar catalytic reforming

et al. 2016

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Section: Solar Reforming For Dme Production Case Studymentioning

confidence: 99%

“…Currently, the main environmental benefit of CCU is that it helps to reduce fossil fuel usage by utilizing CO 2 as a second carbon source [10]. The primary liquid fuels such as MeOH and DME are attractive hydrogen carriers and may constitute the building blocks for higher hydrocarbons synthesis.…”

Section: Solar Integrated Di-methyl Ether Synthesismentioning

confidence: 99%

Model-based analysis of CO2 revalorization for di-methyl ether synthesis driven by solar catalytic reforming

et al. 2016

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“…In the condenser, CO2 and steam are separated by steam condensation and the remaining carbon dioxide is divided into two streams. Usually, at least 90% of the CO2 produced is recirculated to the combustor, whereas the remaining part is purified and compressed for further applications [32,33]. For example, in Semi-Closed Oxy-fuel Combustion Combined Cycle (SCOC-CC), recirculated CO2 is represented as a red line in the diagram shown in Figure 1.…”

Section: Classification By Recirculationmentioning

confidence: 99%

A technical evaluation, performance analysis and risk assessment of multiple novel oxy-turbine power cycles with complete CO2 capture

Barba

Martínez‐Denegri

Seguí

et al. 2016

Journal of Cleaner Production

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In recent years there has been growing concern about greenhouse gas emissions (particularly CO2 emissions) and global warming. Oxyfuel combustion is one of the key technologies for tackling CO2 emissions in the power industry and reducing their contribution to global warming. The technology involves burning fuel with high-purity oxygen to generate mainly CO2 and steam, enabling easy CO2 separation from the flue gases by steam condensation. In fact, 100% CO2 capture and near-zero NOx emissions can be achieved with this technology.This study examines nineteen different oxy-turbine cycles, identifying the main parameters regarding their operation and development. It also analyses the use of advanced natural gas combustion cycles from the point of view of the carbon capture and storage (CCS) and considering political, legislative and social aspects of deploying this technology. Six oxy-turbine cycles which are at the most advanced stages of development (NetPower, CES, Modified Graz, E-MATIANT, AZEP100% and SCOC-CC), were chosen to conduct a Political, Environmental, Social, Technological, Legislative and Economic (PESTLE) risk analysis. This compares each technology with a conventional combined cycle gas turbine (CCGT) power plant without carbon capture as the base-case scenario. Overall, the net efficiency of the different oxy-turbine cycles ranges between 43.6% and 65%, comparable to a CCGT power plant, while providing the extra benefits of CO2 capture and lower emissions.A multi-criteria analysis carried out using DECERNS (Decision Evaluation in Complex Risk Network Systems) software determined that, depending on the specific criterion considered, one can draw different conclusions. However, in terms of technology, environment and social opinion, the most promising cycles are the NetPower and CES cycles, whereas from an economic point of view, E-MATIANT is more competitive in the energy market. Giving each factor equal importance, the NetPower cycle must be considered to be the best oxy-turbine cycle based on our analysis.Most of the oxy-turbine cycles are still under development and only a few cycles (e.g., CES and NetPower) are progressing to the demonstration phase. In consequence, political measures such as CO2 tax and emission allowances need to be implemented for oxy-turbine technologies to become the preferred option for fossil fuel power plants burning natural gas.

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“…The large contribution in total CO 2 emission originates from coal or natural gas power plants [1][2][3][4][5][6]. To reducing CO 2 concentrations, two proposed methods have been developed and implemented: carbon capture and storage (CCS) and carbon capture and utilization (CCU) [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Development of an Efficient Methanol Production Process for Direct CO2 Hydrogenation over a Cu/ZnO/Al2O3 Catalyst

2017

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Carbon capture and utilization as a raw material for methanol production are options for addressing energy problems and global warming. However, the commercial methanol synthesis catalyst offers a poor efficiency in CO 2 feedstock because of a low conversion of CO 2 and its deactivation resulting from high water production during the process. To overcome these barriers, an efficient process consisting of three stage heat exchanger reactors was proposed for CO 2 hydrogenation. The catalyst volume in the conventional methanol reactor (CR) is divided into three sections to load reactors. The product stream of each reactor is conveyed to a flash drum to remove methanol and water from the unreacted gases (H 2 , CO and CO 2 ). Then, the gaseous stream enters the top of the next reactor as the inlet feed. This novel configuration increases CO 2 conversion almost twice compared to one stage reactor. Also to reduce water production, a water permselective membrane was assisted in each reactor to remove water from the reaction side. The proposed process was compared with one stage reactor and CR from coal and natural gas. Methanol is produced 288, 305, 586 and 569 ton/day in CR, one-stage, three-stage and three-stage membrane reactors (MR), respectively. Although methanol production rate in three-stage MR is a bit lower than three stage reactors, the produced water, as the cause of catalyst poisoning, is notably reduced in this configuration. Results show that the proposed process is a strongly feasible way to produce methanol that can competitive with a traditional synthesis process.

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Analysis of CO2 utilization for methanol synthesis integrated with enhanced gas recovery

Cited by 46 publications

References 18 publications

Model-based analysis of CO2 revalorization for di-methyl ether synthesis driven by solar catalytic reforming

Model-based analysis of CO2 revalorization for di-methyl ether synthesis driven by solar catalytic reforming

A technical evaluation, performance analysis and risk assessment of multiple novel oxy-turbine power cycles with complete CO2 capture

Development of an Efficient Methanol Production Process for Direct CO2 Hydrogenation over a Cu/ZnO/Al2O3 Catalyst

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