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1021
Rapid adsorptive removal of chromium from wastewater using walnut-derived biosorbents
Published 2023-04-01“…Treatment with sodium hydroxide and citric acid improved the adsorption efficiency of the biosorbent by 4.5 and 8.2%, respectively. The endothermic and spontaneous adsorption was observed to trail the pseudo-second-order kinetics under optimized process parameters. …”
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1022
Preparation of a Novel Activated Carbon from Cassava Sludge for the High-Efficiency Adsorption of Hexavalent Chromium in Potable Water: Adsorption Performance and Mechanism Insight
Published 2021-12-01“…The adsorption occurred spontaneously with endothermic nature. The removal mechanism of Cr (VI) on the prepared sludge activated carbon depended highly on solution pH, involving pore filling, electrostatic attraction, reduction, and ion exchange. …”
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1023
Instrumental characteristics and acid blue 193 dye sorption properties of novel lupine seed powder
Published 2022-06-01“…The thermodynamic investigation suggests a prevailing endothermic process, thus adsorption is enhanced at an increased degree of freedom between the adsorbent and adsorbate solution interface.…”
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1024
Engineered Superabsorbent Nanocomposite Reinforced with Cellulose Nanocrystals for Remediation of Basic Dyes: Isotherm, Kinetic, and Thermodynamic Studies
Published 2022-01-01“…The negative values of ∆G confirmed the spontaneous nature of adsorption, and the positive value of ∆H indicated the endothermic nature of the adsorption.…”
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1025
Thermal Transitions and Structural Characteristics of Poly(3,4-ethylenedioxythiophene/cucurbit[7]uril) Polypseudorotaxane and Polyrotaxane Thin Films
Published 2024-03-01“…VTSE and DSC results indicated the presence of an endothermic process and glass transition in the PEDOT∙CB7-PS and PEDOT∙CB7-PR thin films. …”
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1026
High Selectivity and Reusability of Biomass-Based Adsorbent for Chloramphenicol Removal
Published 2021-11-01“…CAPC adsorption was endothermic, spontaneous, and entropy-increasing nature on CFS. …”
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1027
Application of response surface methodology for optimization of cadmium removal by Aloe Vera/carboxylated carbon nanotubes nanocomposite-based low-cost adsorbent
Published 2020-01-01“…The reported thermodynamic parameters designated that the adsorption of Cd(II) on the OAMP/CNTs-COOH was an endothermic and spontaneous process. The results revealed that OAMP/CNTs-COOH demonstrate enhanced adsorption performance in comparison with non-treated Aloe Vera.…”
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1028
Thermally Activated Al(OH)<sub>3</sub> Part II—Effect of Different Thermal Treatments
Published 2021-10-01“…We observed a strong relationship between the calcination temperature, the initial gibbsite grade particle size, and the crystallinity of the resulting powders. Hence, for all endothermic effects identified by DSC, the associated temperature values significantly decreased insofar as the particle dimensions decreased. …”
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1029
Effect of Amidated Low-Methoxyl Pectin on Physicochemical Characteristics of Jumbo Squid (Dosidicus gigas) Mantle Muscle Gels
Published 2017-01-01“…Differential scanning calorimetry showed two endothermic transition peaks in the gels. The second peak (actin) increased (p<0.05) by 1–2 °C with fibre addition. …”
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1030
Formation of oxygen vacancy at surfaces of ZnO by trimethylaluminum
Published 2024-03-01“…Experimentally, the carrier density of the 2DEG at the Al2O3/ZnO interface showed a strong dependence on the ALD process temperature of Al2O3, confirming the endothermic nature of the formation of the 2DEG. By examining the characteristics of the 2DEG induced by VO, insights into the fundamental comprehension of oxide-based 2DEG systems are provided.…”
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1031
Methyl Orange Adsorption on Biochar Obtained from <i>Prosopis juliflora</i> Waste: Thermodynamic and Kinetic Study
Published 2023-12-01“…Furthermore, the results made known that the MO removal by PJW biochar was endothermic (ΔH = 12.7 kJ/mol) and a spontaneous process (ΔG = −0.954 kJ/mol). …”
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1032
Silk Powder from Cocoons and Woven Fabric as a Potential Bio-Modifier
Published 2021-11-01“…The powders were also analyzed by differential scanning calorimetry and thermogravimetric techniques. The thermal endothermic peak and onset temperature characteristic for silk decomposition shifted to the lower values for all powders, indicating less thermal stability. …”
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1033
Kinetic, Isotherm and Thermodynamic Aspects of Zn<sup>2+</sup> Biosorption by <i>Spirulina platensis</i>: Optimization of Process Variables by Response Surface Methodology
Published 2022-04-01“…Furthermore, the thermodynamic analysis revealed that Zn<sup>2+</sup> biosorption was endothermic, spontaneous and feasible. As a result of biosorption process, FTIR, SEM, and EDX investigations indicated noticeable alterations in the algal biomass’s properties. …”
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1034
Synthesis and application of zirconium phosphate mesoporous coordination polymer for effective removal of Co(II) from aqueous solutions
Published 2022-11-01“…The sorption of Co(II) by Zr-EDTMPA was a pH-dependent, spontaneous and endothermic process, which was better fitted to the pseudo-second-order kinetic model and Langmuir isotherm model. …”
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1035
Simultaneous Adsorption of Cu<sup>2+</sup> and Cd<sup>2+</sup> by a Simple Synthesis of Environmentally Friendly Bamboo Pulp Aerogels: Adsorption Properties and Mechanisms
Published 2022-11-01“…The adsorption processes of Me<sup>2+</sup> by TCPA follow the pseudo-second-order model and Langmuir isotherm mode, and the adsorption processes are spontaneous and endothermic. The study provides a promising candidate for the treatment of wastewater containing heavy metal mixtures.…”
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1036
Biosorption of Triphenyl Methane Dyes (Malachite Green and Crystal Violet) from Aqueous Media by Alfa (<i>Stipa tenacissima</i> L.) Leaf Powder
Published 2023-04-01“…The thermodynamic results suggest that both dyes’ biosorption is a typical physical process, spontaneous and endothermic in nature.…”
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1037
Design and Optimization of Lornoxicam Dispersible Tablets Using Quality by Design (QbD) Approach
Published 2022-11-01“…DSC thermogram suggested that LX endothermic peak was slightly decreased due to the dilution effect. …”
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1038
Molecular Survey of <i>Toxoplasma gondii</i> in Wild Mammals of Southern Italy
Published 2023-03-01“…<i>Toxoplasma gondii</i> is an opportunistic zoonotic protozoan that can infect all endothermic vertebrates, causing severe disease in immunocompromised humans and cases of congenital transmission. …”
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1039
Removal of cationic dyes from water by using nano adsorbents Sulfonated carboxy methyl cellulose: (characterization, isotherm, kinetics and thermodynamics)
Published 2023-09-01“…The adsorption process is spontaneous and endothermic, according to thermodynamic studies conducted at temperatures ranging from 298 to 313 K. …”
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1040
Crystal Violet Adsorption on Eco-Friendly Lignocellulosic Material Obtained from Motherwort (<i>Leonurus cardiaca</i> L.) Biomass
Published 2022-09-01“…The kinetic data indicate that equilibrium is reached at 50 min and that general order is the best kinetic model to describe the dye retention. The process is endothermic, spontaneous, favorable and supposed to be a physical adsorption. …”
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