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941
Synthetization and characterization of SnCaAl2O3 nanocomposite and using as a superior adsorbent for Pb, Zn, and Cd ions in polluted water.
Published 2022-01-01“…Moreover, the adsorption thermodynamic behavior of Zn+2, Cd+2, and Pb+2 on the synthesized composite was examined, and the process is endothermic and spontaneous under experimental conditions. …”
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942
Solar Thermal Energy Storage using Liquid Ammonia Systems in Industry
Published 2010-12-01“…A storage option being investigated for large solar-thermal systems is liquid ammonia which by its endothermic dissociation converts to nitrogen and hydrogen gases, and can be synthesized exothermically to recover heat when required. …”
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943
Fluoride Removal from Water Sources by Adsorption on MOFs
Published 2023-08-01“…Four to six regeneration cycles were successfully applied on average, regarding the MOFs under review, whereas in the majority of these cases, the sorption process was found to be endothermic.…”
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944
Decontamination of actual radioactive wastewater containing 137Cs using bentonite as a natural adsorbent: equilibrium, kinetics, and thermodynamic studies
Published 2022-08-01“…The positive value of ΔH° in the thermodynamic results indicated that the adsorption process was endothermic physisorption (ΔH° = 15.01 kJ mol−1), spontaneous and favorable (ΔG° = −7.66 kJ mol−1 K−1), with a very low degree of disorder (ΔS° = 0.076 kJ mol−1 K−1).…”
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945
Advanced Mathematical Model to Describe the Production of Biodiesel Process
Published 2009-12-01“…The model can be applied for endothermic batch process. © 2009 BCREC UNDIP. All rights reserved</p><p><em>[Received: 12 August 2009, Revised: 15 October 2009; Accepted: 18 October 2009]</em></p><p><strong>[How to Cite</strong>: A.S. …”
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946
Influence of reactor temperature conditions on the recycle flow rate
Published 2019-11-01“…It was established that the dependence of the recycle flow rate on the reactor temperature for endothermic reactions has monotonously decreasing shape. …”
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947
Preparation 2-hydroxy-1-naphthaldehyde cross-linked Fe3O4@chitosan-polyacrylamide nanocomposite for removal of everzol black from aqueous solutions
Published 2023-06-01“…Further, the thermodynamic studies showed the adsorption to be a spontaneous and endothermic process.…”
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948
Layered Double Hydroxides Derived from MIL-88A(Fe) as an Efficient Adsorbent for Enhanced Removal of Lead (II) from Water
Published 2022-11-01“…The thermodynamic parameters suggested that the adsorption was an endothermic, entropy-increasing, and spontaneous reaction. …”
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949
Adsorptive Removal of Toxic Chromium from Waste-Water Using Wheat Straw and Eupatorium adenophorum.
Published 2016-01-01“…Increase in adsorption capacity was observed with increasing temperature revealing endothermic nature of Cr (VI). The maximum Cr (VI) adsorption potential of E. adenophorum and wheat straw was 89.22 mg per 1 gram adsorbent at 308K. …”
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950
Competitive Removal of Cu2+, Cd2+and Ni2+by Iron Oxide Nanoparticle (Fe3O4)
Published 2015-04-01“…The results of adsorption show that the adsorption nature for heavy metals is an endothermic and physical nature process.…”
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951
Enhanced Adsorption of Textile Dyes by a Novel Sulfonated Activated Carbon Derived from Pomegranate Peel Waste: Isotherm, Kinetic and Thermodynamic Study
Published 2023-11-01“…The thermodynamic study confirmed that the adsorption of CV dye was endothermic, spontaneous and thermodynamically favorable onto PPAC and S-PPAC.…”
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952
Kinetic, Equilibrium and thermodynamic studies on the biosorption of Cd(II) from aqueous solutions by the leaf biomass of <i>Calotropis procera</i> – ‘Sodom apple’
Published 2013-05-01“…The calculated thermodynamic parameters (ΔG° -4.846 kJmol-1, ΔH° 10.60 kJmol-1 and ΔS° 0.052 kJK-1mol1) showed that the biosorption of Cd (II) is feasible, spontaneous, endothermic and highly disordered in nature under the experimental conditions. …”
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953
دراسة بعض الخصائص الميكانيكية والحرارية للفرايت – باستخدام الوسا
Published 2013-02-01“…In addition, the drift mobility for tetrahedral and octahedral sites, as well as magnetic dipole moment changes for - bond were determined. The area beneath endothermic peaks was correlated to the weight change TG%. …”
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954
Isotherms and Thermodynamic Parameters of Metoprolol Drug Adsorption on the Prepared Mesoporous Silica
Published 2024-03-01“…The sign of ∆G° and ∆H° were suggested spontaneous and endothermic of the process …”
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955
Biodegradable Block Poly(ester amine)s with Pendant Hydroxyl Groups for Biomedical Applications
Published 2023-03-01“…The terpolymers containing amino groups, capable of forming strong intra- and intermolecular bonds, show a high degree of crystallinity. The endotherm responsible for the melting of L-lactidyl semicrystalline regions appeared in the range from about 90 °C to close to 170 °C, with a heat of fusion from about 15 J/mol to over 60 J/mol.…”
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956
Removal of Toxic Cations from Aqueous Solutions using Ginger Root Waste
Published 2022-06-01“…Meanwhile, thermodynamic parameters indicated that the Cd2+ and Pb2+ sorption process was endothermic, however, non-spontaneous at temperature of 303 and 313 K. …”
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957
Biosynthesis approach of zinc oxide nanoparticles for aqueous phosphorous removal: physicochemical properties and antibacterial activities
Published 2023-08-01“…The adsorption process was verified to be endothermic and spontaneous by thermodynamic characteristics. …”
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958
The Role of Cellulosic and Noncellulosic Functional Groups in the Biosorption of Lead Ions by Waste Flax Fibers
Published 2023-04-01“…Obtained negative values of ∆GӨ (−4.874 to −0.807 kJ mol−1) and ∆HӨ (−42.81 to −13.65 kJ mol−1) indicated that the adsorption of lead ions onto flax fibers is a spontaneous and endothermic process, which occurs through electrostatic attraction and ion-exchange. …”
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959
Color, Starch Digestibility, and In Vitro Fermentation of Roasted Highland Barley Flour with Different Fractions
Published 2022-01-01“…Gelatinization enthalpy decreased with increasing particle sizes of raw HB flour, while no endothermic transitions were observed in sand-roasted flour. …”
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960
Adsorption Study and Removal of Basic Fuchsin Dye from Medical Laboratory Wastewater Using Local Natural Clay
Published 2023-01-01“…Furthermore, the values of ΔH° indicated an endothermic reaction. Wastewater contaminated by BF dye from the bacterial laboratory was collected (BF concentration: 160 mg·L-1) and treated by TKC. …”
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