Relevant bibliographies by topics / Methanation; Nickel catalysts; Syngas methanation

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers
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Academic literature on the topic 'Methanation; Nickel catalysts; Syngas methanation'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Methanation; Nickel catalysts; Syngas methanation"

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Zhang, Jiaying. "Study on syngas methanation mechanism over Ni4/MCM-41 catalyst based on density functional theory." Progress in Reaction Kinetics and Mechanism 44, no. 3 (2019): 222–33. http://dx.doi.org/10.1177/1468678319854871.

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The density functional theory method is employed to systematically explore the mechanism of syngas methanation on the Ni4/MCM-41 catalyst surface. The calculation results show that the optimal pathway of CH4 formation is CO + H → CHO + H → CH2O + H → CH3O → CH3 + H → CH4 with the rate-determining step of CH3O direct dissociation. Because the activation energy for the direct dissociation of CH3O species is much lower than that for the CH3OH formation (198.6 vs 264.8 kJ mol−1), there is almost no by-product CH3OH that appeared in the products of the syngas methanation over the Ni4/MCM-41 catalys
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Lu, Bin, Jiahao Zhuang, Jinping Du, et al. "Highly Dispersed Ni Nanocatalysts Derived from NiMnAl-Hydrotalcites as High-Performing Catalyst for Low-Temperature Syngas Methanation." Catalysts 9, no. 3 (2019): 282. http://dx.doi.org/10.3390/catal9030282.

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Increasing the low-temperature performance of nickel-based catalysts in syngas methanation is critical but very challenging, because at low temperatures there is high concentration of CO on the catalyst surface, causing formation of nickel carbonyl with metallic Ni and further catalyst deactivation. Herein, we have prepared highly dispersed Ni nanocatalysts by in situ reduction of NiMnAl-layered double hydroxides (NiMnAl-LDHs) and applied them to syngas methanation. The synthesized Ni nanocatalysts maintained the nanosheet structure of the LDHs, in which Ni particles were decorated with MnOy s
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Buyan-Ulzii, Battulga, Odbayar Daariimaa, Chuluunsukh Munkhdelger, Galindev Oyunbileg, and Byambajav Enkhsaruul. "Effect of nickel precursor and catalyst activation temperature on methanation performance." Mongolian Journal of Chemistry 19, no. 45 (2018): 12–18. http://dx.doi.org/10.5564/mjc.v19i45.1084.

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This work studied an effect of anionic precursor on the preparation of active and fine nickel metal catalysts for syngas methanation. Nickel catalysts were pr¬epared by impregnation-co-precipitation method. Nickel hydrate salts of Ni(NO3)2·6H2O, NiSO4·6H2O and NiCl2·6H2O were used as a metal catalyst precursor, and the obtained catalysts were named as Ni/Al (N), Ni/Al (S) and Ni/Al (Cl), respectively. Methanation synthesis of carbon monoxide was carried out in a fixed bed stainless reactor. Prior to experiment, the catalyst powder was pressed into tablets, then crushed and sieved to use 0.5-0.
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Dai, Bin, Bo Wen, Mingyuan Zhu, Lihua Kang, and Feng Yu. "Nickel catalysts supported on amino-functionalized MCM-41 for syngas methanation." RSC Advances 6, no. 71 (2016): 66957–62. http://dx.doi.org/10.1039/c6ra07451k.

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Feng, Fei, Lei Zhang, Shengbo Huang, Xiu Feng, Liang Jin, and Penggao Zhang. "Surface structure changes of nickel-based catalysts in the syngas methanation process." Reaction Kinetics, Mechanisms and Catalysis 130, no. 1 (2020): 229–40. http://dx.doi.org/10.1007/s11144-020-01787-8.

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Zhang, Jiaying. "Preparation and catalytic performance of an efficient Raney nickel catalyst for syngas methanation." Journal of Materials Science 54, no. 22 (2019): 14197–208. http://dx.doi.org/10.1007/s10853-019-03864-3.

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Fei, Feng, Cao Hui, Zhang Lei, and Jin Liang. "Carbon Deposition on Nickel-based Catalyst during Bio-syngas Methanation in a Fluidized Bed Reactor." IOP Conference Series: Earth and Environmental Science 199 (December 19, 2018): 032040. http://dx.doi.org/10.1088/1755-1315/199/3/032040.

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Lu, Zhenpu, Hegui Zhang, Siyang Tang, Changjun Liu, Hairong Yue, and Bin Liang. "Molybdenum Disulfide-Alumina/Nickel-Foam Catalyst with Enhanced Heat Transfer for Syngas Sulfur-Resistant Methanation." ChemCatChem 10, no. 4 (2017): 720–24. http://dx.doi.org/10.1002/cctc.201701314.

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Tande, Lifita N., Erik Resendiz-Mora, Valerie Dupont, and Martyn V. Twigg. "Autothermal Reforming of Acetic Acid to Hydrogen and Syngas on Ni and Rh Catalysts." Catalysts 11, no. 12 (2021): 1504. http://dx.doi.org/10.3390/catal11121504.

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The autothermal reforming (ATR) of acetic acid (HAc) as a model bio-oil compound is examined via bench scale experiments and equilibrium modelling to produce hydrogen and syngas. This study compares the performance of nickel (Ni-Al, Ni-CaAl) vs. rhodium (Rh-Al) for particulate packed bed (PPB), and of Rh-Al in PPB vs. Rh with and without Ceria for honeycomb monolith (‘M’) catalysts (R-M and RC-M). All PPB and M catalysts used Al2O3 as main support or washcoat, and when not pre-reduced, exhibited good performance with more than 90% of the HAc converted to C1-gases. The maximum H2 yield (6.5 wt.
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Tao, Miao, Xin Meng, Zhong Xin, Zhicheng Bian, Yuhao Lv, and Jia Gu. "Synthesis and characterization of well dispersed nickel-incorporated SBA-15 and its high activity in syngas methanation reaction." Applied Catalysis A: General 516 (April 2016): 127–34. http://dx.doi.org/10.1016/j.apcata.2016.02.019.

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Dissertations / Theses on the topic "Methanation; Nickel catalysts; Syngas methanation"

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Potente, Gabriele. "Theoretical study for CO2 methanation on nickel-based catalysts." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24389/.

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Among the catalytic reactions of CO2, the Sabatier reaction, or CO2 methanation reaction, is a suitable process for the conversion of carbon dioxide from point sources, like industrial flue gas, before it enters the atmosphere. Methane obtained through hydrogenation can be used both as a fuel or converted in high value-added chemicals. In this work, we carried out a theoretical study on CO2 interactions with nickel catalysts, using a density functional theory. Catalysts were treated with a “cluster” approach, in order to better understand the specific sites of adsorption. We modelled pure nick
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Hubble, Ross. "Studies of carbon dioxide methanation and related phenomena in porous catalysts." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/286588.

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This Dissertation investigates the kinetics of CO2 methanation over nickel and cobalt catalysts. Methanation was studied for both Ni/γ-Al2O3 and Co/ZrO2 catalysts, which were synthesised using an incipient wetness impregnation technique and subsequently characterised using analyses based on gas adsorption, XRD, TPR and thermogravimetry. Separately a CO hydrogenation reaction, the Fischer-Tropsch process, was modelled numerically to examine the influence of mass transfer in practical, commercial pellets of catalyst. The kinetics of methanation was investigated for Ni/γ-Al2O3 over a wide range o
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Barrientos, Javier. "Deactivation of cobalt and nickel catalysts in Fischer-Tropsch synthesis and methanation." Doctoral thesis, KTH, Kemisk teknologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190593.

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A potential route for converting different carbon sources (coal, natural gas and biomass) into synthetic fuels is the transformation of these raw materials into synthesis gas (CO and H2), followed by a catalytic step which converts this gas into the desired fuels. The present thesis has focused on two catalytic steps: Fischer-Tropsch synthesis (FTS) and methanation. The Fischer-Tropsch synthesis serves to convert synthesis gas into liquid hydrocarbon-based fuels. Methanation serves instead to produce synthetic natural gas (SNG). Cobalt catalysts have been used in FTS while nickel catalysts hav
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Karam, Leila. "New routes of preparation of active and stable mesoporous Ni-alumina based catalysts for methane dry reforming and CO2 methanation." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS163.pdf.

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Le reformage à sec du méthane (DRM) est un processus qui convertit simultanément CH4 et CO2 en un mélange gazeux de H2 et de CO appelé syngas. Les catalyseurs à base de Ni sont particulièrement prometteurs mais ils ne sont pas stables en raison du frittage du Ni et du dépôt de coke. Dans cette thèse, nous avons développé deux voies de synthèse de catalyseurs mésoporeux à base de Ni-Al2O3 dans lesquels Ni est stabilisé dans l'oxyde, ce qui donne une activité et une stabilité élevées en DRM. Des techniques physicochimiques complémentaires ont été appliquées pour identifier les propriétés des mat
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Battisti, Martina. "Exploring new catalysts for the valorisation of carbon dioxide from biogas." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24373/.

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New Ni-based catalysts have been developed and applied for the steam dry reforming (SDR) and the methanation reaction of clean biogas, exploring the possibility of converting its CO2 fraction into a useful product (syngas or biomethane) instead of separating and discharging it. The catalysts were prepared from hydrotalcite-type precursors through co-precipitation, with the addition of promoters (Ru, Rh, La) or basic sorbents (CaO). Then, they were deeply characterised before and after reaction by BET, XRD, H2-TPR, CO2-TPD analyses, and Raman spectroscopy. The results obtained for SDR at low te
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Alrafei, Bachar. "Etude catalytique et cinétique de la méthanation du CO₂ en lit fixe et sous plasma micro-ondes Remarkably stable and efficient Ni and Ni-Co catalysts for CO2 methanation." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMIR17.

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L’objet de cette thèse est la conception d’un procédé de méthanation du CO₂, s’inscrivant dans le cadre du concept Power-to-Gas (PtG), pour pouvoir stocker l’excès d’électricité produite à partir des sources renouvelables. Pour ceci, des catalyseurs performants à base de Ni et de Co ont été développés et caractérisés par plusieurs techniques. L’effet de la teneur en nickel, de la température de calcination et de l’ajout du cobalt a été examiné. Les caractérisations effectuées ont montré que la teneur en nickel et la température de calcination affecte la nature des espèces métalliques présentes
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Hasrack, Golshid. "Tailoring Selectivity with Different Plasma Sources." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS402.

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L'un des plus grands défis de l'humanité en ce siècle est la lutte contre l'augmentation constante des gaz à effet de serre dans l'atmosphère, en particulier du dioxyde de carbone CO2. Diminuer ou stabiliser ces émissions en développant des solutions innovantes afin de capter et transformer (CCU) le CO2 inévitablement produit par les gaz sont challenges majeurs pour les prochaines décennies. Dans cette étude, nous nous concentrerons sur la réaction de méthanation du CO2 (réaction de Sabatier) comme une approche prometteuse pour la réduction du CO2 puisque le méthane généré peut être facilement
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MEBRAHTU, CHALACHEW ASMELASH. "Development of Advanced Catalysts to Store Renewable Energy by Converting CO2." Doctoral thesis, 2018. http://hdl.handle.net/11570/3122196.

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Reduction of greenhouse gases such as CO2 requires enhancing the way how we store and use carbon sources. As the same time, the need of replacing non-renewable energy sources with renewables such as the wind and solar is growing. Therefore, due to the intermittent nature of renewable energy sources, a combined way to solve both issues is in demand. Among the possible solutions solar fuels production mainly methane by the Power to Gas (P2G) process (from renewable H2 and CO2) enables to solve both long-term as well as large-scale energy storage and transportation problems. Solar or renewable fu
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Conference papers on the topic "Methanation; Nickel catalysts; Syngas methanation"

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Lu, Xijia, and Ting Wang. "Review of Coal-to-Synthetic Natural Gas (SNG) Production Methods and Modeling of SNG Production in an Entrained-Flow Gasifer." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57857.

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In this paper, the coal-to-synthetic natural gas (SNG) technologies have been reviewed. Steam-oxygen gasification, hydrogasification, and catalytic steam gasification are the three major gasification processes used in coal-to-SNG production. So far, only the steam-oxygen gasification process is commercially proven by installing a catalytic methanation reactor downstream of the gasification process after syngas is produced, cleaned, and shifted to achieve an appropriate H2/CO ratio for methanation reaction. This process is expensive, less efficient, and time consuming. Ideally, it will be more
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Polaert, Isabelle, Bachar Alrafei, Jose Delgado-Liriano, and Alain Ledoux. "Synergetic effect of microwave plasma and catalysts in CO2 methanation." In Ampere 2019. Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9806.

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The reduction of CO2 concentration in our atmosphere consists in a big challenge for researchers, who are trying to explore novel technologies in order to transform CO2 into high added-value products. CO2 conversion into methane using microwave plasma (MWP) manifests as a very promising solution due to the ease of transport of methane and its storage. Microwave plasma represents a source of high-energy electrons, active ions and radicals that enhance or enable chemical reaction. It can be supplied by electricity generated from renewable resources. Then, MWP does not require any electrode to be
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Lazaroiu, Gheorghe, Dana-Alexandra Ciupageanu, Lucian Mihaescu, and Rodica-Manuela Grigoriu. "Comparative analysis of carbon dioxide methanation technologies for low carbon society development." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.11.

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Conversion technologies able to transform renewable energy sources (RES) based electricity in gaseous fuels, which can be stored over long timeframes, represent a key focus point considering the low carbon society development. Thus, Power-to-Gas technologies emerge as a viable solution to mitigate the variability of RES power generation, enabling spatial and temporal balancing of production vs. demand mismatches. An additional benefit in this context is brought by the decarbonization facilities, employing polluting carbon dioxide (CO2) emissions and RES-based electricity to produce synthetic n
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Rossetti, Ilenia, Cesare Biffi, Lucio Forni, et al. "5 KWe + 5 KWt PEM-FC Generator From Bioethanol: Fuel Processor and Development of New Reforming Catalysts." In ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/fuelcell2011-54900.

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A power unit constituted by a reformer, a H2 purification section and a fuel cell is being tested c/o the Dept. of Physical Chemistry and Electrochemistry of Universita` degli Studi di Milano, on the basis of a collaboration with Helbio S.A. Hydrogen and Energy Production Systems (supplier of the unit) and some sponsors (Linea Energia S.p.A., Parco Tecnologico Padano and Provincia di Lodi). The system size allows to cogenerate 5 kWe (a.c.) + 5 kWt (hot water at 65°C) as peak output. Bioethanol, obtainable by different non-food competitive biomass is transformed into syngas by a prereforming an
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Doty, F. David, Glenn N. Doty, John P. Staab, and Laura L. Holte. "Toward Efficient Reduction of CO2 to CO for Renewable Fuels." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90362.

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Three major challenges — grid stability, domestic oil limitations, and climate change — could all be addressed simultaneously by using off-peak electrical energy to recycle CO2 into liquid fuels (such as gasoline, jet fuel, and diesel). Simulations have shown that recent innovations should make it practical to reduce CO2 to CO at over 66% of theoretical efficiency limits. When combined with other process advances, it would then be possible to synthesize most hydrocarbons and alcohols from point-source CO2 and clean off-peak grid energy (wind or nuclear) at system efficiencies in the range of 5
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Reports on the topic "Methanation; Nickel catalysts; Syngas methanation"

1

Keehan, D., and J. Richardson. Carbon monoxide rich methanation kinetics on supported rhodium and nickel catalysts. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5622217.

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You might also be interested in the extended bibliographies on the topic 'Methanation; Nickel catalysts; Syngas methanation' for particular source types:
Journal articles
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