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2041
Catalytic Characterization of Synthetic K<sup>+</sup> and Na<sup>+</sup> Sodalite Phases by Low Temperature Alkali Fusion of Kaolinite during the Transesterification of Spent Cooki...
Published 2023-02-01“…The essential thermodynamic functions, such as Gibb’s free energy (65.16 kJ.mol<sup>−1</sup> (Na.SD) and 65.26 kJ.mol<sup>−1</sup> (K.SD)), enthalpy (25.23 kJ.mol<sup>−1</sup> (Na.SD) and 25.55 kJ.mol<sup>−1</sup> (K.SD)), and entropy (−197.7 J.K<sup>−1</sup>.mol<sup>−1</sup> (Na.SD) and −197.8 J.K<sup>−1</sup>.mol<sup>−1</sup> (K.SD)), display the endothermic and spontaneous nature of the two transesterification systems.…”
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2042
Levofloxacin Adsorption onto MWCNTs/CoFe<sub>2</sub>O<sub>4</sub> Nanocomposites: Mechanism, and Modeling Using Non-Linear Kinetics and Isotherm Equations
Published 2022-12-01“…To identify the phenomenon of adsorption, the thermodynamic parameters of ΔH° and ΔS° were calculated, which indicated that the nature of LFX adsorption onto MWCNTs/CoFe<sub>2</sub>O<sub>4</sub> nanocomposite was endothermic and spontaneous. Nine isotherm models, including four two-parameter and five three-parameter models, were investigated. …”
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2043
Oyster shell-modified lignite composite in globular shape as a low-cost adsorbent for the removal of Pb2+ and Cd2+ from AMD: Evaluation of adsorption properties and exploration of...
Published 2024-05-01“…The adsorption process was a multistep controlled spontaneous endothermic process. The potential mechanism was mainly the adsorption-condensation coexistence results of electrostatic adsorption, neutralization precipitation, ion exchange, and surface complexation. …”
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2044
A Theoretical Study of the C–X Bond Cleavage Mediated by Cob(II)Aloxime
Published 2022-10-01“…The reactions mediated by Co<sup>II</sup>Cbx were observed to be endothermic and possess higher activation energies in contrast to the reactions where the Co<sup>I</sup>Cbx complex is present. …”
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2045
Synthesis, characterization, and adsorptive performance of titanium dioxide nanoparticles modified groundnut shell activated carbon on ibuprofen removal from pharmaceutical wastewa...
Published 2024-03-01“…Based on the thermodynamic investigation of the current process, it can be concluded that the adsorption of ibuprofen by the prepared activated carbon (GNSAC and TiO2-NPs-GNSAC) was a spontaneous and endothermic process. Additionally, the adsorbent was successfully regenerated three times, and it was able to perform the adsorption and desorption processes well. …”
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2046
Binding Affinity and Mechanism of Six PFAS with Human Serum Albumin: Insights from Multi-Spectroscopy, DFT and Molecular Dynamics Approaches
Published 2024-01-01“…PFHpA, DFSA, PFOA, and HFPO-TA’s interactions with HSA, on the other hand, are endothermic processes primarily driven by hydrophobic interactions. …”
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2047
Long-Lasting Electret Melt-Blown Nonwoven Functional Filters Made of Organic/Inorganixc Macromolecular Micron Materials: Manufacturing Techniques and Property Evaluations
Published 2023-05-01“…According to the results of DSC and FTIR measurements, PP and MMT, CNT, and TiO<sub>2</sub> are completely mixed, and the melting temperature (T<sub>m</sub>), crystallization temperature (T<sub>c</sub>) and endotherm area are changed accordingly. The difference in enthalpy of melting changes the crystallization of PP pellets, which in turn changes the fibers. …”
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2048
Biochemical Characterization of New Gemifloxacin Schiff Base (GMFX-o-phdn) Metal Complexes and Evaluation of Their Antimicrobial Activity against Some Phyto- or Human Pathogens
Published 2022-02-01“…The obtained data from DTA curves reflect that the degradation processes were exothermic or endothermic. Results showed that some of the studied complexes exhibited promising antifungal activity against most of the tested fungal pathogens, whereas they showed higher antibacterial activity against <i>E. coli</i> and <i>B. cereus</i> and low activity against <i>P. fluorescens</i> and <i>P. aeruginosa</i>. …”
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2049
Crystallization Thermodynamics of α-Lactose Monohydrate in Different Solvents
Published 2022-08-01“…The values were observed to decrease with rising temperatures, implying that α-LM dissolution is an endothermic, entropy-driven, and spontaneous process. …”
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2050
Optimizing Adsorption of 17α-Ethinylestradiol from Water by Magnetic MXene Using Response Surface Methodology and Adsorption Kinetics, Isotherm, and Thermodynamics Studies
Published 2021-05-01“…Thermodynamic analysis indicated that the adsorption was a spontaneous and endothermic process. Therefore, Fe<sub>3</sub>O<sub>4</sub>@Ti<sub>3</sub>C<sub>2</sub> composite present the outstanding capacity to be employed in the remediation of EE2 contaminated wastewaters.…”
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2051
Structural Evolution and Hydrogen Sorption Properties of Y<sub>x</sub>Ni<sub>2−<i>y</i></sub>Mn<i><sub>y</sub></i> (0.825 ≤ <i>x</i> ≤ 0.95, 0.1 ≤ <i>y</i> ≤ 0.3) Laves Phase Compo...
Published 2024-02-01“…The heating of the amorphous hydrides leads to an endothermic desorption at first and then a recrystallization into Y(Ni, Mn)<sub>3</sub> and YH<i><sub>x</sub></i> phases. …”
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2052
Study on the Adsorption of CuFe<sub>2</sub>O<sub>4</sub>-Loaded Corncob Biochar for Pb(II)
Published 2020-07-01“…The thermodynamic analyses exhibited that the adsorption reaction of the materials was endothermic and entropy-driven. The XPS and FTIR results revealed that the removal mechanism could be mainly attributed to the replacement of Pb<sup>2+</sup> for H<sup>+</sup> in Fe/Cu–OH and –COOH to form the inner surface complexes. …”
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2053
Additives to reduce the flammability of polymers
Published 2022-04-01“…The decomposition reaction is endothermic, resulting in cooling of the substrate to temperatures below the flash point. …”
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2054
Enhancing the Mechanical Properties of Corn Starch Films for Sustainable Food Packaging by Optimizing Enzymatic Hydrolysis
Published 2023-04-01“…The control sample had a higher melting point than the hydrolyzed corn starch film, as indicated by the significant difference in the temperature of the first endothermic event between the two films. The atomic force microscopy (AFM) characterization of the hydrolyzed corn starch film showed intermediate surface roughness. …”
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2055
Evaluation of Clavulanic Acid Adsorption in MgAl-Layered Double Hydroxides: Kinetic, Equilibrium and Thermodynamic Studies
Published 2012-01-01“…The positive value of ΔH 0 confirmed the endothermic nature of clavulanic acid adsorption onto HT70c hydrotalcites, which was considered to be mass transport reaction-controlled process.…”
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2056
Limonite as a Natural Adsorbent for the Removal of Antimony(III) from an Aqueous Solution
Published 2023-11-01“…All adsorptions except for Y1 (ΔH < 0, exothermic reaction) are endothermic reactions (ΔH > 0). Antimony adsorption is independent of solution pH for Mn-free limonites but is negatively related to solution pH for Mn-containing limonites. …”
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2057
Simultaneous Removal of Cu<sup>2+</sup>, Cd<sup>2+</sup> and Pb<sup>2+</sup> by Modified Wheat Straw Biochar from Aqueous Solution: Preparation, Characterization and Adsorption Mec...
Published 2022-06-01“…Adsorption isotherms indicated that the adsorption of Cu<sup>2+</sup>, Cd<sup>2+</sup> and Pb<sup>2+</sup> by BC and HNC was a spontaneous endothermic process. The competitive adsorption of mixed metal ions (Cu<sup>2+</sup>, Cd<sup>2+</sup> and Pb<sup>2+</sup>) revealed that HNC was more preferential to adsorb Cu<sup>2+</sup> compared with Cd<sup>2+</sup> and Pb<sup>2+</sup>. …”
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2058
Cd(II) removal from aqueous solutions by pomelo peel derived biochar in a permeable reactive barrier: modelling, optimization and mechanism
Published 2021-01-01“…The adsorption process of Cd(II) by the prepared biochar was spontaneous, endothermic and entropy driven. Our results suggest that the modified pomelo peel derived biochar can be regenerated within the fourth cycle and that it has application prospects as a useful adsorbent for water treatment in PRB systems. …”
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2059
Systematic Evaluation for the Impact of the Geological Conditions on the Adsorption Affinities of Calcite as an Adsorbent of Zn<sup>2+</sup> Ions from Aqueous Solutions: Experiment...
Published 2022-12-01“…The thermodynamic properties were illustrated on the basis of the internal energy, free enthalpy, and entropy functions, which validate the endothermic and spontaneous nature of the Zn (II) retention system by the three calcite samples.…”
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2060
A Novel Hydro-Thermal Synthesis of Nano-Structured Molybdenum-Iron Intermetallic Alloys at Relatively Low Temperatures
Published 2023-03-01“…The DSC heat flow profile showed the presence of endothermic peaks at 196.9 and 392.5–400 °C during the thermal decomposition of the AHM and ferrous oxalate, respectively. …”
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