Article
Materials Science, Ceramics
Jiawei Wei, Bingqiang Han, Yaowu Wei, Nan Li, Zheng Miao
Summary: The relationship between the decomposition process and properties of zircon ceramic was analyzed in this study. The decomposition process of zircon was found to have two stages with different mechanisms and rates, affecting the densification and liquid phase amount of zircon ceramic.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Jonathan H. Christian, Bryan J. Foley, Elodia Ciprian, Jason Darvin, Don D. Dick, Amy E. Hixon, Eliel Villa-Aleman
Summary: The thermal decomposition of Pu(III) oxalate was analyzed using various spectroscopic and microscopic techniques. It was found that as the oxalate is heated, water and oxalate ligands are progressively lost from the crystalline structure of Pu2(C2O4)3 & BULL;9H2O, leading to a decrease in lattice ordering. The formation of PuO2 and plutonium oxalate-carbonate moieties were also observed, which provide valuable insights into the plutonium system.
JOURNAL OF NUCLEAR MATERIALS
(2023)
Article
Engineering, Chemical
Latifa S. Ismail, Fawwaz Khalili
Summary: Loquat leaves have been proven effective as a biosorbent for removing neodymium(III) and cerium(III) ions from aqueous solutions. The sorption process is accurately described by the pseudo-second-order kinetic equation, while the Langmuir model fits the sorption isotherm well. Desorption studies showed higher percent recovery for neodymium(III) ions compared to cerium(III) ions.
DESALINATION AND WATER TREATMENT
(2021)
Article
Materials Science, Multidisciplinary
Jonathan H. Christian, Bryan J. Foley, Elodia Ciprian, Don D. Dick, Meena Said, Jason Darvin, Amy E. Hixon, Eliel Villa-Aleman
Summary: This study investigates the chemical structures of plutonium dioxide and its intermediates produced during thermal decomposition, providing valuable data for validating and improving computational models. It emphasizes the importance of this research in the fields of nuclear fuel processing, nuclear nonproliferation, and nuclear forensics.
JOURNAL OF NUCLEAR MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Artur S. C. Rego, Carolina V. B. Marprates, Talita S. X. Silva, Joao G. Neto, Rogerio C. S. Navarro, Rodrigo F. M. Souza, Eduardo A. Brocchi
Summary: This study proposed two different approaches for kinetic modeling of sulfate thermal decomposition: a graphical method (sigmoid) and a stochastic method (particle swarm optimization - PSO). It was found that the presence of potassium sulfate decreased the decomposition temperature of aluminum sulfate, and while the results of both methods agreed to a certain extent, they did not provide the same values. The determined apparent orders and activation energies varied between the two methods, with the mixture of sulfates showing the lowest activation energy values and pure aluminum sulfate having the highest.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Chemistry, Analytical
Alexandre Quemet, Mathilde Angenieux, Alexandre Ruas
Summary: HPLC separation followed by TIMS measurements were used to determine Am, Cm, and Nd isotope ratios in irradiated samples. The Exponential Mass Fractionation Law was employed to compare the results, revealing that isotope fractionation was the primary source of bias. Optimized HPLC separation conditions allowed for simultaneous purification of Nd, Am, and Cm, reducing the number of separations and improving efficiency.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2021)
Article
Chemistry, Multidisciplinary
Rumaisa Tariq, Abrar Inayat, Muhammad Shahbaz, Hassan Zeb, Chaouki Ghenai, Tareq Al-Ansari, Jaehoon Kim
Summary: This study investigated the kinetic and thermodynamic parameters of jeans waste during pyrolysis to evaluate its potential for sustainable energy production. The results showed that the thermodynamic parameters and activation energies increased with the increase of heating rate, but decreased when the heating rate was further increased.
KOREAN JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Zhiyun Chen, Jingyong Liu, Huashan Chen, Ziyi Ding, Xiaojie Tang, Fatih Evrendilek
Summary: This study investigated the combustion performance and mechanism of Chinese medicine residues in different atmospheres. The results showed that Chinese medicine residues performed better in air atmosphere than in oxy-fuel atmosphere, with the increasing oxygen fraction improving oxy-fuel combustion performance. The ash composition in oxy-fuel atmosphere mainly consisted of calcium carbonate and calcium hydroxyphosphate.
Article
Chemistry, Analytical
H. A. Madbouly, H. S. Hassan
Summary: In this study, polyaniline/cerium composite (PAN/CeO2) was prepared using sol-gel polymeric method and characterized by different techniques. The results showed that PAN/CeO2 exhibited good adsorption performance towards Cs(I) and Co(II).
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2023)
Article
Chemistry, Physical
Tsion Ohaion-Raz, Smadar Attia, Natalie Kostyria, Yeshayahu Ben-Eliyahu
Summary: Recent studies have reported new lanthanide containing ionic liquids (ILs) that are highly efficient in dissolving lanthanide complexes within ILs. Thermal decomposition studies have shown that the samarium-containing ILs have higher decomposition temperatures than conventional ILs, indicating stabilization by complexation to the samarium cation. The decomposition pathway and reaction mechanism involve rapid nucleophilic attacks on the C-N bond of the imidazole groups, as revealed by experimental evidence using TPD-MS.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Polymer Science
Richard E. Lyon, Natallia Safronava, Sean Crowley, Richard N. Walters
Summary: The relationship between the atomic composition of polymers and the fuel generating reactions in fires has been studied through molecular dynamics simulations and combustion performance tests, with the FGC parameter successfully ranking the fire performance of different polymers. The study found a connection between molecular-level combustion processes and fire response.
POLYMER DEGRADATION AND STABILITY
(2021)
Article
Engineering, Electrical & Electronic
Pragnesh Dave, Riddhi Thakkar, Ruksana Sirach, M. P. Deshpande, Shalini Chaturvedi
Summary: In this work, nano zinc ferrite (ZnF) was synthesized using a coprecipitation method and was characterized using various physical and chemical analysis techniques. The results showed that the presence of nano ZnF decreased the activation energy by approximately 30 kJ/mol but increased the decomposition rate, with zinc ferrite particles measuring 58.8 nm in size.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Adam Alemayehu, Anastasiya Zakharanka, Vaclav Tyrpekl
Summary: Oxalic acid is a crucial separation agent in the technology of lanthanides, actinides, and transition metals. This article presents a synthetic route for homogeneous precipitation of oxalates based on the thermal decomposition of oxamic acid, along with the characterization of the reaction products.
Article
Metallurgy & Metallurgical Engineering
Shuai Yuan, Yong-hong Qin, Yong-peng Jin, Yan-jun Li
Summary: The thermodynamics, kinetics, phase transformation, and microstructure evolution of vanadium-bearing stone coal during suspension roasting were systematically investigated. The carbon in the stone coal burned and produced CO2 during roasting. The mass loss of stone coal mainly occurred within the temperature range from 600 to 840 degrees C. The thermal decomposition reaction of stone coal was described by the Ginstling-Brounshtein equation, with an apparent activation energy of 136.09 kJ/mol and pre-exponential factors of 12.40 s(-1). The structure of the stone coal changed and severe sintering occurred at higher temperatures.
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
(2022)
Article
Chemistry, Physical
Kishor Kumar Sahu, Rakesh K. Sahoo, L. D. Beshra, Mamata Mohapatra
Summary: A surfactant-free method was used to synthesize porous nickel oxalate (NiOX) and cabbage-like nickel oxide (NiO) nanostructures, which showed increased surface area and enhanced electrochemical performance after annealing at different temperatures in open atmosphere. The fabricated electrodes exhibited specific capacitance values of up to 888 Cg(-1) and energy density of 26.1 Wh kg(-1) for super capacitor application, demonstrating improved charge storage capacity and performance.
Article
Chemistry, Multidisciplinary
Florent Blanchard, Marine Ellart, Murielle Rivenet, Nicolas Vigier, Isabelle Hablot, Bertrand Morel, Stephane Grandjean, Francis Abraham
CRYSTAL GROWTH & DESIGN
(2016)
Article
Chemistry, Inorganic & Nuclear
C. Tamain, B. Arab-Chapelet, M. Rivenet, X. F. Legoff, G. Loubert, S. Grandjean, F. Abraham
INORGANIC CHEMISTRY
(2016)
Article
Chemistry, Multidisciplinary
F. Blanchard, M. Ellart, M. Rivenet, N. Vigier, I. Hablot, B. Morel, S. Grandjean, F. Abraham
CHEMICAL COMMUNICATIONS
(2016)
Article
Chemistry, Inorganic & Nuclear
B. Arab-Chapelet, M. Martin, S. Costenoble, T. Delahaye, A. C. Scheinost, S. Grandjean, F. Abraham
DALTON TRANSACTIONS
(2016)
Article
Chemistry, Inorganic & Nuclear
C. Tamain, B. Arab-Chapelet, M. Rivenet, S. Grandjean, F. Abraham
JOURNAL OF SOLID STATE CHEMISTRY
(2016)
Article
Chemistry, Multidisciplinary
Florent Blanchard, Murielle Rivenet, Nicolas Vigier, Isabelle Hablot, Stephane Grandjean, Francis Abraham
CRYSTAL GROWTH & DESIGN
(2018)
Review
Chemistry, Inorganic & Nuclear
Francis Abraham, Benedicte Arab-Chapelet, Murielle Rivenet, Christelle Tamain, Stephane Grandjean
COORDINATION CHEMISTRY REVIEWS
(2014)
Article
Chemistry, Inorganic & Nuclear
Lucie De Almeida, Stephane Grandjean, Murielle Rivenet, Fabrice Patisson, Francis Abraham
DALTON TRANSACTIONS
(2014)
Article
Chemistry, Inorganic & Nuclear
Christelle Tamain, Benedicte Arab Chapelet, Murielle Rivenet, Francis Abraham, Richard Caraballo, Stephane Grandjean
INORGANIC CHEMISTRY
(2013)
Article
Chemistry, Inorganic & Nuclear
A. Mer, M. Rivenet, L. De Almeida, S. Grandjean, F. Abraham
INORGANIC CHEMISTRY COMMUNICATIONS
(2013)
Article
Chemistry, Analytical
Selim Georgette, Sebastien Picart, Christine Bouyer, Jerome Maurin, Isabelle Bisel, Stephane Grandjean, Jonathan Deseure, Francois Lapicque
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2014)
Article
Materials Science, Multidisciplinary
Stephane Vaudez, Renaud C. Belin, Laurence Aufore, Philippe Sornay, Stephane Grandjean
JOURNAL OF NUCLEAR MATERIALS
(2013)
Article
Materials Science, Ceramics
Alban Gossard, Guillaume Toquer, Stephane Grandjean, Agnes Grandjean
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2014)
Article
Chemistry, Multidisciplinary
Anne-Lise Vitart, Blaise Haidon, Benedicte Arab-Chapele, Murielle Rivenet, Isabelle Bisel, Patrick Pochon, Pascal Roussel, Stephane Grandjean, Francis Abraham
CRYSTAL GROWTH & DESIGN
(2017)
Proceedings Paper
Chemistry, Inorganic & Nuclear
Christophe Poinssot, Stephane Bourg, Stephane Grandjean, Bernard Boullis
ATALANTE 2016 INTERNATIONAL CONFERENCE ON NUCLEAR CHEMISTRY FOR SUSTAINABLE FUEL CYCLES
(2016)