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Carbon Capture - Springer Nature

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Last Updated: 10 January 2023

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Performance analysis of power plant designed with a carbon capture unit: study of an oil refinery

Due to the reduction of Carbon dioxide released from 138. 06 to 1. 51 million tons/year in pumps and air coolers, the Carbon Capture unit reduces the amount of carbon dioxide released from 138. 06 to 60. 8 percent. Due to the presence of heat recovery steam generators and the maximum use of the heat from the gas turbine exhaust gas, it is not possible to reuse a portion of this flow, and only by using the leftover steam generated by the power plant as the heat source of the Re-boiler. The power plant's effectiveness can be increased from 60. 480 to 71. 63 percent by using additional Deaerator steam.

Source link: https://doi.org/10.1007/s13762-022-04707-6


An appraisal of carbon capture and sequestration in few selected wetlands of West Bengal

The soils of wetlands are one of the world's biggest carbon sinks, and they can play a significant role in limiting the emission of C as a greenhouse gas to the atmosphere. An investigation of C capture from various sources and its eventual deposition in soils leading to sequestration has been done in three different wetlands, one created sewage-fed and two natural floodplain oxbow lakes in the West Bengal state of India, which is included in this paper. Multiple seasonal sampling of water, macrophytes, and soil was carried out to determine primary yield, dissolved C, and deposition of C in the wetlands' soils in comparison to reference upland sites. The number of C in the oxbow lakes was up to 0. 3 m depth, which was 3. 43 percent higher than those in the corresponding reference upland locations, and it was 3. 43 million Mg/ha.

Source link: https://doi.org/10.1007/s10668-022-02881-8


Integrating Carbon Capture in Mining Through Metallurgy. Part 1: Leaching and Reclamation of Asbestos Tailings: Thetford Mines Carbon Capture and Remediation Project

Planetary hydrogen is involved in the development of a unique carbon capture system aimed at being integrated into existing and closed mining operations. With simultaneous magnesium hydroxide precipitation, the enabling metallurgical process is based on standard unit operations that involve sulfuric acid leaching of magnesium contained in suitable ores and tailings, solution processing, and electrolytic acid regeneration with simultaneous magnesium hydroxide precipitation. After 86 days of leaching, column-simulated heap leaching results to date on a representative Thetford Mines asbestos tailings sample produced recoveries of 84%, 90%, and 75%, respectively. Ton of CO_2, the magnesium hydroxide produced in OAC is expected to produce 1. 65 t dry tailings feed per ton of CO_2. Tontons captured against tonnes produced, demonstrating that specific energy consumption of full-scale operations is 9. 5 MWh/t captured CO_2, resulting in a CO_2 carbon ratio of 4. 4:1, converting to a CO_2 footprint ratio of 4. 4:1.

Source link: https://doi.org/10.1007/978-3-031-17425-4_66


Molecular Dynamics of Carbon Capture from the Emissions of an IC Engine Using ZSM-5

Here, the report has concentrated on developing molecular dynamics simulations of CO_2 and zeolite interactions using OpenMD software. The study also determines the mean free path from CO_2 diffusion's MD trajectory to determine the Knudsen number.

Source link: https://doi.org/10.1007/978-981-19-3938-9_26


Integrating Carbon Capture in Mining Through Metallurgy. Part 2: Integration into the Piaui Nickel–Cobalt Laterite Operations

In Brazil, Brazilian Nickel PLC's flagship Piaued Nickelu2013Cobalt Battery Metals project is under construction. Over the life of the mine, the full-scale project will produce an average of 25,000 tpa of nickel and 900 tpa of cobalt. Planetary Technologies is involved in the development of a proprietary carbon capture device that is intended to be integrated into mining processes. The enabling metallurgical process is based on traditional unit operations that involve sulfuric acid leaching of the pay metals contained in suitable feedstocks, solution processing, and electrolytic acid regeneration, which occur simultaneously with alkalinity generation. According to the PT process, the leached magnesium is obtained electrolytically as hydroxide, which is used for either ocean air capture or direct land-based carbon capture, or a mixture thereof. The oxygen obtained during the same process can be used for the removal of iron and impurities during solution processing.

Source link: https://doi.org/10.1007/978-3-031-17425-4_68


Effect of biomass-based carbon capture on the sustainability and economics of pulp and paper production in the Nordic mills

This report explores the key factors that influence the decision to invest in BECCS in various forms of old European pulp and paper mills. The findings reveal a new insight into the effects of BECCS on the market price of pulp and paper products and the desired level of incentives. If 50% of CO2 emissions were captured, the most promising mill type, a market kraft pulp mill, would be aces to BECCS' income with a credit rating in the range of 60 to 80 percent. The EU Emission Trading System is the main policy tool to achieve the climate goals attributed to fossil energy use, but it does not yet consider bio-based emissions.

Source link: https://doi.org/10.1007/s10668-021-02074-9


Life Cycle GHG Emissions Analysis of Building-Level Carbon-Capturing Technologies

In Canada, the building industry accounts for 12% of the country's greenhouse gas emissions. Building heating is the most significant contributor to building-level GHG emissions, mainly due to natural gas combustion. This paper intends to investigate the life cycle GHG emission reduction benefits of including carbon capture devices in residential and commercial building heating systems. The comparisons showed that the GHG emission reduction potential of commercially available building level carbon capture systems and a carbon-capturing device used in fossil fuel generation plants were comparable. The percentage reduction of life cycle GHG emissions reduction in MEA-based systems was lower than the operation GHG emission reduction in MEA-based schemes due to the embedded emissions associated with the carbon-capturing process life cycle. However, the life cycle GHG emissions reduction of the KOH-based system was higher than the reduction of GHG emissions during the operation, though not accounted for emissions of the by-products.

Source link: https://doi.org/10.1007/978-981-19-0503-2_48


Economic feasibility and policy incentive analysis of Carbon Capture, Utilization, and Storage (CCUS) in coal-fired power plants based on system dynamics

Carbon Capture, Utilization, and Storage is a key potential technological way for coal power plants to reach near-zero carbon dioxide emissions in China's new energy system, which is dominated by coal. We use the system dynamics approach to determine the CCUS's economic economic, durability, and CO_2 emission reduction impact of the CCUS in both the vertical integration model and the CCUS operator model, using coal-fired power plants as the study subject. From a stability standpoint, the CCUS operator model is preferable to the vertical integration model. Expanding the additional government subsidy and carbon levy will bring the CCUS system to a more affordable place, but beyond a certain range, the marginal CO_2 capture rate, marginal CO_2 emissions reduction rate, and marginal profit margin of each department's marginal profit rate can be significantly reduced. Combination policies on CCUS are not limited to the sum of individual policy's consequences.

Source link: https://doi.org/10.1007/s11356-022-24888-4


Modelling carbon capture on metal-organic frameworks with quantum computing

Despite the latest advancement in quantum computation algorithms for chemistry, there is a dearth of quantum computation simulations focused on material science applications, especially for the energy industry, where next generation sorbing materials are urgently needed to combat climate change. We propose a way to apply quantum computation to Al-fumarate reacting with a CO_2 molecule, demonstrating the convenience of treating a porous system as a concrete application of quantum computation by testing different fragmentation methods and solvers.

Source link: https://doi.org/10.1140/epjqt/s40507-022-00155-w


Revealing carbon capture chemistry with 17-oxygen NMR spectroscopy

The lack of appropriate tools to measure how carbon dioxide adsorbs is a barrier to developing enhanced capture materials. Solid-state nuclear magnetic resonance spectroscopy is a promising measure of CO_2 capture, but it is difficult to determine specific adsorption products. We discover that 17O NMR, an amine-functionalized metal-organic framework, is a useful probe of CO_2 capture chemistry that reveals excellent separation of ammonium carbamate and carbamic acid species. The computational results are supported by a series of CO_2-loaded frameworks that clearly identify ammonium carbamate chain assembly and have evidence for a mixed carbamate adsorption mode in a forensic environment. We also discovered that carbamic acid formation in this materials class is more prevalent than previously expected. We conclude that our methods are widely applicable to other adsorbents, as well as ammonium carbamate formation in amine-grafted silicas.

Source link: https://doi.org/10.1038/s41467-022-35254-w

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions