scholarly journals A Review on CO2 Capture Technologies with Focus on CO2-Enhanced Methane Recovery from Hydrates

Energies ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 387
Author(s):  
Salvatore F. Cannone ◽  
Andrea Lanzini ◽  
Massimo Santarelli
Keyword(s):  
Natural Gas ◽  
Carbon Capture ◽  
Power Plants ◽  
Large Scale ◽  
Carbon Capture And Storage ◽  
Co2 Removal ◽  
Methane Recovery ◽  
The World ◽  
Co2 Transportation ◽  
And Storage

Natural gas is considered a helpful transition fuel in order to reduce the greenhouse gas emissions of other conventional power plants burning coal or liquid fossil fuels. Natural Gas Hydrates (NGHs) constitute the largest reservoir of natural gas in the world. Methane contained within the crystalline structure can be replaced by carbon dioxide to enhance gas recovery from hydrates. This technical review presents a techno-economic analysis of the full pathway, which begins with the capture of CO2 from power and process industries and ends with its transportation to a geological sequestration site consisting of clathrate hydrates. Since extracted methane is still rich in CO2, on-site separation is required. Focus is thus placed on membrane-based gas separation technologies widely used for gas purification and CO2 removal from raw natural gas and exhaust gas. Nevertheless, the other carbon capture processes (i.e., oxy-fuel combustion, pre-combustion and post-combustion) are briefly discussed and their carbon capture costs are compared with membrane separation technology. Since a large-scale Carbon Capture and Storage (CCS) facility requires CO2 transportation and storage infrastructure, a technical, cost and safety assessment of CO2 transportation over long distances is carried out. Finally, this paper provides an overview of the storage solutions developed around the world, principally studying the geological NGH formation for CO2 sinks.

The Challenges of Carbon Capture and Storage (CCS) Development in China

2012 ◽  
Vol 3 (3) ◽  
pp. 15-21
Author(s):  
Ang Zhao
Keyword(s):  
Climate Change ◽  
Carbon Capture ◽  
Large Scale ◽  
Public Funding ◽  
Carbon Capture And Storage ◽  
Mitigation Strategy ◽  
Policy Recommendations ◽  
Huge Amount ◽  
The World ◽  
And Storage

As a significant mitigation strategy to fight climate change, Carbon Capture & Storage (CCS) demonstration projects have received huge amount of public funding across the world. After examining three large scale integrated CCS coal-fired power demonstration projects, which are carried out by America, Europe and China, this paper presents three different approaches that three authorities are taking to support the adventure of CCS technology. By comparing these three cases, the paper demonstrates there exist some significant challenges in CCS development in China and offer relevant policy recommendations to cope with the challenges.

scholarly journals Total cost of carbon capture and storage implemented at a regional scale: northeastern and midwestern United States

2020 ◽  
Vol 10 (5) ◽  
pp. 20190065 ◽  
Author(s):  
William J. Schmelz ◽  
Gal Hochman ◽  
Kenneth G. Miller
Keyword(s):  
United States ◽  
Carbon Capture ◽  
Power Plants ◽  
Large Scale ◽  
Regional Scale ◽  
Carbon Capture And Storage ◽  
Midwestern United States ◽  
Additional Costs ◽  
The Cost ◽  
And Storage

We model the costs of carbon capture and storage (CCS) in subsurface geological formations for emissions from 138 northeastern and midwestern electricity-generating power plants. The analysis suggests coal-sourced CO 2 emissions can be stored in this region at a cost of $52–$60 ton −1 , whereas the cost to store emission from natural-gas-fired plants ranges from approximately $80 to $90. Storing emissions offshore increases the lowest total costs of CCS to over $60 per ton of CO 2 for coal. Because there apparently is sufficient onshore storage in the northeastern and midwestern United States, offshore storage is not necessary or economical unless there are additional costs or suitability issues associated with the onshore reservoirs. For example, if formation pressures are prohibitive in a large-scale deployment of onshore CCS, or if there is opposition to onshore storage, offshore storage space could probably store emissions at an additional cost of less than $10 ton −1 . Finally, it is likely that more than 8 Gt of total CO 2 emissions from this region can be stored for less $60 ton −1 , slightly more than the $50 ton −1 Section 45Q tax credits incentivizing CCS.

scholarly journals Scrutinising the Gap between the Expected and Actual Deployment of Carbon Capture and Storage—A Bibliometric Analysis

Energies ◽  
2018 ◽  
Vol 11 (9) ◽  
pp. 2319 ◽  
Author(s):  
Peter Viebahn ◽  
Emile Chappin
Keyword(s):  
Carbon Capture ◽  
Power Plants ◽  
Public Perception ◽  
Large Scale ◽  
National Level ◽  
Carbon Capture And Storage ◽  
Holistic Approach ◽  
Energy System ◽  
Research Front ◽  
And Storage

For many years, carbon capture and storage (CCS) has been discussed as a technology that may make a significant contribution to achieving major reductions in greenhouse gas emissions. At present, however, only two large-scale power plants capture a total of 2.4 Mt CO2/a. Several reasons are identified for this mismatch between expectations and realised deployment. Applying bibliographic coupling, the research front of CCS, understood to be published peer-reviewed papers, is explored to scrutinise whether the current research is sufficient to meet these problems. The analysis reveals that research is dominated by technical research (69%). Only 31% of papers address non-technical issues, particularly exploring public perception, policy, and regulation, providing a broader view on CCS implementation on the regional or national level, or using assessment frameworks. This shows that the research is advancing and attempting to meet the outlined problems, which are mainly non-technology related. In addition to strengthening this research, the proportion of papers that adopt a holistic approach may be increased in a bid to meet the challenges involved in transforming a complex energy system. It may also be useful to include a broad variety of stakeholders in research so as to provide a more resilient development of CCS deployment strategies.

scholarly journals Large-Scale Computational Screening of Novel Compounds for Carbon Capture

2014 ◽  
Vol 70 (a1) ◽  
pp. C1538-C1538
Author(s):  
Matthew Dunstan ◽  
Wen Liu ◽  
Shyue Ping Ong ◽  
Anubhav Jain ◽  
Kristin Persson ◽  
...  
Keyword(s):  
Carbon Capture ◽  
Power Plants ◽  
Large Scale ◽  
Waste Heat ◽  
Experimental Studies ◽  
Carbon Capture And Storage ◽  
Kinetic Properties ◽  
Computational Screening ◽  
Energy Penalty ◽  
And Storage

Carbon capture and storage (CCS) applications offer a plausible solution to the urgent need for a carbon neutral energy source from stationary sources, including power plants and industrial processes. The most mature technology for post-combustion capture currently uses a liquid sorbent, amine scrubbing. However, with the existing technology, a large amount of heat is required for the regeneration of the liquid sorbent, which introduces a substantial energy penalty. Operation at higher temperatures could reduce this energy penalty by allowing the integration of waste heat back into the power cycle. New solid absorbents for use at intermediate to high temperatures, such as CaO, have shown promise in pilot plant studies, but are still far from ideal due to their poor capacity retention upon successive cycling. This presentation will describe our studies aimed at rationally selecting and designing materials for carbon capture and storage applications. We use ab initio calculations of oxide materials from the Materials Project database1 in an effort to screen for novel materials with optimal thermodynamic and kinetic properties for CO2 looping applications. From the determination of a material's optimised structure and ground state energy we have then constructed a screening routine for materials within the database based on simulating their carbonation equilibria and phase stability under differing atmospheric concentrations of CO2. A number of promising materials were identified from the screening, and we are currently investigating their properties experimentally, by using a combination of methods (including thermogravimetric analysis, in situ x-ray diffraction and microscopy). In this way we are able to assess the validity of the screening methodology, and use the insights afforded by experimental studies to iteratively improve the entire process.

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