Results 11 to 20 of about 3,644,479 (283)

Materials processing using supercritical fluids [PDF]

open access: yesHemijska Industrija, 2005
One of the most interesting areas of supercritical fluids applications is the processing of novel materials. These new materials are designed to meet specific requirements and to make possible new applications in Pharmaceuticals design, heterogeneous ...
Orlović Aleksandar M., Skala Dejan U.
doaj   +1 more source

Continuous Synthesis of Nanominerals in Supercritical Water [PDF]

open access: yesChemistry – A European Journal, 2019
AbstractThe synthesis of minerals should play a crucial role in the development of new and advanced materials. Since 2016, a renewal of interest to enlarge the mineral synthesis towards industrial requirements has been observed, especially thanks to three main recent papers.
Claverie, Marie   +3 more
openaire   +3 more sources

Nickel-Containing Ceria-Zirconia Doped with Ti and Nb. Effect of Support Composition and Preparation Method on Catalytic Activity in Methane Dry Reforming

open access: yesNanomaterials, 2020
Nickel-containing mixed ceria-zirconia oxides also doped by Nb and Ti have been prepared by a citrate route and by original solvothermal continuous flow synthesis in supercritical alcohols.
Mikhail Simonov   +6 more
doaj   +1 more source

Novel Ni/Ce(Ti)ZrO2 Catalysts for Methane Dry Reforming Prepared in Supercritical Alcohol Media

open access: yesEnergies, 2020
To achieve a high activity and coking stability of nickel catalysts in dry reforming of methane, materials comprised of ceria–zirconia doped by Ti were investigated as supports.
Yuliya Bespalko   +9 more
doaj   +1 more source

Supercritical hydrothermal synthesis of silver nanoparticles, composites, and their characterizations

open access: yesMongolian Journal of Chemistry, 2021
Silver nanoparticles (AgNPs) and silver nanoparticles doped activated carbon (AC-Ag) composite materials were synthesized by hydrothermal processes in supercritical water conditions (29 MPa and 400 °C) using batch reactor. We studied the influence of the
Narandalai Byamba-Ochir   +3 more
doaj   +1 more source

Noncatalytic Biodiesel Synthesis under Supercritical Conditions

open access: yesProcesses, 2021
The constant increase in greenhouse gases in the environment is forcing people to look for different ways to reduce such pollution. One of these ways is the use of biodiesel for road transport.
V. Makarevičienė, E. Sendžikienė
semanticscholar   +1 more source

Applications of subcritical and supercritical water conditions for extraction, hydrolysis, gasification, and carbonization of biomass: a critical review [PDF]

open access: yesBiofuel Research Journal, 2017
This review summarizes the recent essential aspects of subcritical and supercritical water technology applied tothe extraction, hydrolysis, carbonization, and gasification processes.
D. Lachos-Perez   +6 more
doaj   +1 more source

Biodiesel from fish waste oil: synthesis via supercritical methanol and thermodynamic optimization

open access: yesClean Energy, 2021
This study evaluates the potential of local fish waste oil as a feedstock for biodiesel via supercritical methanol transesterification (SCMT). Hexane was used as a cosolvent and the transesterification reaction was carried out in a continuous reactor ...
Simin Espootin, M. Sameti, Sahar Zaker
semanticscholar   +1 more source

Search for the Optimal Design of a Supercritical-CO2 Brayton Power Cycle from a Superstructure-Based Approach Implemented in a Commercial Simulation Software

open access: yesEnergies, 2023
Improving the efficiency and flexibility of fossil-fired power plants remains a current and challenging issue. In that regard, supercritical CO2 Brayton cycles offer promising potential. This paper aims to apply a process synthesis approach to the design
Qiao Zhao   +5 more
doaj   +1 more source

Synthesis of LiNi0.6Co0.2Mn0.2O2 Using Supercritical Carbon Dioxide as a Cathode Material for Lithium‐Ion Batteries

open access: yesChemElectroChem, 2023
A supercritical carbonation method for the preparation of lithium‐ion battery precursor (Ni0.6Co0.2Mn0.2CO3) is proposed. With appropriate selection of reaction temperature, pressure and pH, a desirable stoichiometry of transition metal ratio (6 : 2 : 2)
Dr. Hongting Liu   +3 more
doaj   +1 more source

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