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21 results for “Iron reduction”
Microbial iron(III) reduction during palsa collapse promotes greenhouse gas emissions before complete permafrost thaw
<p>Data associated with publication "Microbial iron(III) reduction during palsa collapse promotes greenhouse gas emissions before complete permafrost thaw". The data contained within this data set is arranged according to the main text and the supplementary information of this publication.</p> <p><strong>Background information</strong></p> <p>Field site: Stordalen mire, Abisko, Sweden (68 22ʹ N, 19 03ʹ E)</p> <p>Thaw stages: Palsa, bog and fen</p> <p>Type of samples: Gas samples, porewater samples, soil core samples</p>
Raw and analyzed data for manuscript "Atmospheric non-thermal plasma reduction of natively oxidized iron surfaces"
<p> Raw and analyzed data for manuscript "Atmospheric non-thermal plasma reduction of natively oxidized iron surfaces"</p>
Techno-economic model of Methane pyrolysis in liquid metal bubble column reactor for hydrogen direct reduction of iron ore
<p>Reducing emissions from the iron and steel industry is essential to achieve the Paris climate goals.A new system to reduce the carbon footprint of steel production is proposed in this article by coupling hydrogen direct reduction of iron ore (H-DRI) and natural gas pyrolysis on the liquid metal surface inside a bubble column reactor. If grid electricity from the EU is used, the emissions would be 435 kgCO\textsubscript{2}/tls without considering methane leakage from the extraction, storage, and transport of natural gas. Solid carbon, produced as a by-product of natural gas decomposition, finds applications in many industrial sectors, including as a replacement for coal in coke ovens. The specific energy consumption (SEC) of the proposed system is approximately 6.3 MWh per ton of liquid steel(tls).It is higher than other competing technologies,3.48 MWh/tls for water electrolysis based DRI, and 4.3-4.5 MWh/tls for natural gas-based DRI and blast furnace-basic oxygen furnace (BF-BOF) respectively. The utilization of large quantities of natural gas, where the carbon remains unused, is the major reason for the high SEC. Preliminary analysis of the system revealed that it has the potential to compete with existing technologies to produce CO\textsubscript{2}free steel, if renewable electricity is used. Further studies on the kinetics of the bubble column reactor, H-DRI shaft furnace, design, and sizing of components, along with the building of industrial prototypes are required to improve the understanding of the system performance.</p>
Dataset for Sulfidation of air-stable iron nanoparticles: A novel strategy how to boost their reactivity demonstrated on Cr(VI) reduction
<p><strong>This repository contains data from the manuscript:</strong></p> <p>Víchová, V., Oborná, J. K., Petr, M., Soukupová, J., Pechancová, R., Pluháček, T., & Filip, J. (2024). Sulfidation of air-stable iron nanoparticles: A novel strategy how to boost their reactivity demonstrated on Cr (VI) reduction. <em>Journal of Water Process Engineering</em>, <em>67</em>, 106246. <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.jwpe.2024.106246" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.jwpe.2024.106246</a></p> <p><strong>Abstract of the manuscript:</strong></p> <p>Sulfidated zero-valent iron nanoparticles (S-nZVI) have been extensively studied as environmentally promising<br>alternative material, which enables reduction of variety of extremely dangerous pollutants directly in the<br>environment. However, synthesis and manipulation with these extremely reactive/pyrophoric nZVI particles<br>represents a challenge and requires special precautions. In this study, we report a synthesis of S-nZVI from airstable<br>core-shell nZVI, which reactivity with contaminants and properties are comparable with the commonly<br>prepared S-nZVI particles (where the precursor was bare/pyrophoric nZVI particles). The undeniable novelty<br>dwells in the simplicity of the synthetic process, which ensures consequential safe and easy handling, manipulation,<br>and application of S-nZVI particles. This material, especially highly effective against halogenated organic<br>compounds and heavy metals, was characterized in detail and its advanced characteristics were evaluated in the<br>process of hexavalent chromium (Cr(VI)) reduction from model aqueous solutions and polluted groundwater.<br>The results offer valuable insights into the preparation of a novel nanomaterial with high application potential in<br>the effective degradation of heavy metals in polluted water. Overall, the novel way prepared S-nZVI particles,<br>designed for the potential large-scale production, eliminates the drawbacks of S-nZVI synthesized from bare nZVI<br>particles and offers the effective material suitable for any on-site application.</p>
Iron Nitride Nanoparticles for Enhanced Reductive Dechlorination of Trichloroethylene: DFT Calculations
<p>This dataset contains input and output files of density functional theory calculations on which the computational part of the peer-reviewed article "Iron Nitride Nanoparticles for Enhanced Reductive Dechlorination of Trichloroethylene" by M. Brumovský et al., doi 10.1021/acs.est.1c08282, is based. Please cite this article when using the dataset.</p> <p>The dataset includes:<br> * Fully relaxed unit cells of Fe, Fe4N, and FeS in the folder "Unit_cells"<br> * Structures and energies of adsorbed TCE and H2O molecules on the Fe(110), Fe4N(001), and FeS(001) surfaces in the folder "Adsorption_calculations"<br> * Transition state calculations of TCE chemisorption and the first dechlorination step on the Fe4N(001) surface, including frequency calculations of transitions states, in the folder "NEB_calculations_on_Fe4N"<br> * TCE homolytic bond dissociation energies calculated using VASP and TURBOMOLE in the folder "BDE_calculations"<br> * Energies of reactants, products, and transitions states calculated with the inclusion of the solvent effect in the folder "VASPsol_calculations"</p> <p>The final geometries and energies calculated using VASP are reported in the CONTCAR and OUTCAR files, respectively. Note that the POTCAR files are not allowed to be made publicly accessible. However, their description is given in the OUTCAR files. Please consult VASP/TURBOMOLE manual for more information regarding input and output files. </p> <p>Funding: This work was supported by the Austrian Science Fund (FWF) project M 2892-N and the University of Ostrava (IRP201826, SGS06/PrF/2021). The Vienna Scientific Cluster (Project No. 70544) and IT4 Innovations National Supercomputing Center (LM2015070) are gratefully acknowledged for providing computational resources. </p> <p>Terms of use: These data are provided "as is", without any warranty. The data are provided under the Creative Commons Attribution 4.0 International license.</p>
Dataset for the paper "High Loading of Single Atomic Iron Sites in Pyrolysed Fe-NC Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells", DOI:10.1038/s41929-022-00772-9
<p>The data in this spreadsheet was used to produce the figures in the paper </p> <p>Authors: Asad Mehmood, Mengjun Gong, Frédéric Jaouen, Aaron Roy, Andrea Zitolo, Anastassiya Khan, Moulay-Tahar Sougrati, Mathias Primbs, Alex Martinez Bonastre, Dash Fongalland, Goran Drazic, Peter Strasser, Anthony Kucernak</p> <p>Title: High Loading of Single Atomic Iron Sites in Pyrolysed Fe-NC Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells</p> <p>Journal: Nature Materials</p> <p>DOI: 10.1038/s41929-022-00772-9</p> <p>Please cite the above reference if you wish to use this data </p> <p> </p> <p>DOI of data: 10.5281/zenodo.6411262</p>
Iron Reduction for the Treatment of Diabetes and Nonalcoholic Fatty Liver Disease
ClinicalTrials.gov study NCT03696797. IPD Sharing: NO. Countries: 1. Publications: 40.
Nitrous oxide is the main product during nitrate reduction by a novel lithoautotrophic iron(II)-oxidizing culture from an organic-rich paddy soil
Open the record for dataset details and reuse information.
Suppression of Methanogenesis by Microbial Reduction of Iron-Organic Carbon Associations in Fully Thawed Permafrost Soil
<p>This data set contains data associated with the manuscript "Suppression of Methanogenesis by Microbial Reduction of Iron-Organic Carbon Associations in Fully Thawed Permafrost Soil". Currently under review.</p>
Reduction of iron-organic carbon associations shifts net greenhouse gas release after initial permafrost thaw
<p>This dataset contains data associated with the manuscript "Reduction of iron-organic carbon associations shifts net greenhouse gas release after initial permafrost thaw". doi: <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.soilbio.2025.109735" target="_blank" rel="noreferrer noopener"><span><span>https://doi.org/10.1016/j.soilbio.2025.109735</span></span></a></p>
Does the Reduction of Total Body Iron Storage (TBIS) Alter Mortality in a Population of Patients With Advanced PVD?
ClinicalTrials.gov study NCT00032357. IPD Sharing: Not stated. Countries: 2. Publications: 11.
Efficacy and Safety Study of Magnesium Iron Hydroxycarbonate for the Reduction of High Blood Phosphate in Hemodialysis Patients
ClinicalTrials.gov study NCT00317694. IPD Sharing: Not stated. Countries: 2. Publications: 1.
Ferrous iron (Fe+2) released from iron-rich chlorite as a reductant for unconformity-related uranium mineralization: insights from reactive fluid flow modeling
<p>Tables 1-5</p>
Raw data of: Changes in magnetic properties of magnetite nanoparticles upon microbial iron reduction
<p>The magnetic signals of magnetite nanoparticles (NPs) preserved in rocks, soils, and sediments are effective index for paleoenvironmental reconstruction. It has been demonstrated that magnetite NPs can serve as a terminal electron sink for the microbial respiration (i.e., microbial iron reduction). The magnetic properties of magnetite NPs may be altered by microbial iron reduction, which is a critical but often overlooked process in paleomagnetism. In this study, three magnetite NPs with different particle sizes were reduced by a dissimilatory iron-reducing bacterium (<em>Shewanella oneidensis</em> MR-1) under a non-growth condition mimicking that of the early Earth and modern oligotrophic environment. The changes in magnetic, chemical as well as crystallographic properties of the magnetite NPs during the microbial reduction process were examined. Our results showed that the bioreduction rate of magnetite NPs was mainly controlled by their particle size and redox state. In addition, the microbial iron reduction could affect both the crystallographic and magnetic properties of three types of magnetite NPs used herein. After bioreduction, the crystal lattice parameters and magnetic susceptibility of the magnetite NPs increased, while their remanence recording capability and coercivity decreased (i.e., "softer" magnetism). Furthermore, bioreduced magnetite NPs had a larger remanence loss near the Verwey transition region with low-temperature magnetic analysis. These results indicate that the microbial reduction of magnetite NPs deserves attention when sedimentary magnetites are used in paleoenvironment reconstruction.</p>
Raw data of: Changes in magnetic properties of magnetite nanoparticles upon microbial iron reduction
Open the record for dataset details and reuse information.
Pharmacologic Reduction of Mitochondrial Iron Triggers a Noncanonical BAX/BAK-Dependent Cell Death
GEO Series GSE186088. Homo sapiens. 21 samples. Type: Expression profiling by high throughput sequencing.
Can the Reduction of Iron Availability Caused by Tea Consumption Change the Gut Microbiota Composition and Disrupt Host Body-iron Status
ClinicalTrials.gov study NCT05019573. IPD Sharing: YES. Countries: 1. Publications: 0.
Safety and Efficacy of Iron Reduction by Phlebotomy
ClinicalTrials.gov study NCT00689182. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Effect of Iron Reduction by Phlebotomy for Type 2 Diabetes
ClinicalTrials.gov study NCT02468037. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Molecular mechanism of zero valent iron-enhanced microbial azo reduction in Shewanella decolorationis S12
GEO Series GSE160493. Shewanella decolorationis. 24 samples. Type: Expression profiling by high throughput sequencing.
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