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921
Adsorption Studies of Textile Dye (Chrysoidine) from Aqueous Solutions Using Activated Sawdust
Published 2019-01-01“…., on the adsorption process was studied along with thermodynamic parameters such as enthalpy (ΔH°) and entropy (ΔS°).…”
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922
Green Synthesis of S- and N-Codoped Carbon Nanospheres and Application as Adsorbent of Pb (II) from Aqueous Solution
Published 2020-01-01“…The kinetic data were analyzed with two different kinetic models, and both apply to the adsorption process depending on the values of correlation coefficients. The thermodynamic parameters including Gibbs free energy (ΔG°), standard enthalpy change (ΔH°), and standard entropy change (ΔS°) were calculated for the adsorption process.…”
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923
Irreversibility and Sensitivity analysis of MHD squeezing various shaped nanofluid flow between parallel permeable disks
Published 2025-03-01“…The efficiency of the thermodynamic system of a real process strongly depends on the effective controlled of entropy generation rate. …”
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924
Removal of Copper(II) Ions from Aqueous Solutions Using Natural Kaolinite
Published 2006-07-01“…The maximum adsorption capacity was found to be 16.79 mg/g at a pH value of 6.0, an initial Cu(II) ion concentration of 40 mg/dm 3 and a temperature of 313 K. Various thermodynamic parameters, viz. the standard free energy change (ΔG 0 ), the enthalpy (ΔH 0 ) and the entropy (ΔS 0 ), were evaluated for the process with the results indicating that it was spontaneous and endothermic in nature. …”
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925
Colour Removal from Dye Wastewater Using Sugar Cane Dust as an Adsorbent
Published 1999-04-01“…The variation in the extent of removal with pH has been explained on the basis of surface ionisation and complexation. Various thermodynamic parameters (ΔG 0 , ΔH 0 and ΔS 0 ) have also been determined in order to explain the results.…”
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926
Comparison of the Sorption of Trifluoromethane (R-23) on Zeolites and in an Ionic Liquid
Published 2013-02-01“…The adsorption on zeolites took more time than the absorption in the ionic liquid to reach thermodynamic equilibrium.…”
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927
Performance Analysis of a Photovoltaic-Thermal Integrated System
Published 2009-01-01“…Exergy analysis identifies the location, the magnitude, and the sources of thermodynamic inefficiences in a system. This information, which cannot be provided by other means (e.g., an energy analysis), is very useful for the improvement and cost-effictiveness of the system. …”
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928
Multipopulation Spin Models: A View from Large Deviations Theoretic Window
Published 2018-01-01“…These results are consequently used to derive variational formula for the thermodynamic limit for the pressure of multipopulation Curie-Weiss (I. …”
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929
Development and Characterization of SA-g-p(FA-AA)/GO Composite for Efficient Removal of Organic Dyes: A Step towards Water Treatment
Published 2024-10-01“…Additionally, the thermodynamic behavior of the studied dyes removal on SA-g-p(FA-AA) /GO were calculated.…”
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930
Carbon Dioxide Turbine Expander Plant Producing Liquid and Gaseous Carbon Dioxide
Published 2019-02-01“…The main elements of the plant are a heating unit, a turbodetander unit and a carbon dioxide unit for the production of cold, liquid and gaseous carbon dioxide. A thermodynamic calculation and a brief exergy analysis of the plant were carried out. …”
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931
Removal of Some Heavy Metal Cations from Aqueous Solution by Adsorption onto Natural Kaolin
Published 2005-09-01“…The equilibrium studies demonstrated that the selectivity of the ions followed the sequence Zn(II) > Cu(II) > Co(II) at pH 7.0. Calculation of thermodynamic parameters such as the standard enthalpy (ΔH 0 ), Gibbs free energy (ΔG 0 ) and entropy (ΔS 0 ) showed that the adsorption of the heavy metal ions studied onto kaolin was an endothermic process which was favoured at higher temperatures. …”
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932
Methylene Blue Adsorption BY UV-Treated Graphene Oxide Nanoparticles (UV/n-GO): Modeling and Optimization Using Response Surface Methodology and Artificial Neural Networks
Published 2022-01-01“…According to correlation coefficients, the order of adsorption isotherm models is Redlich–Peterson > Temkin > Langmuir > Freundlich. Thermodynamic investigations show that MB adsorption was both spontaneous and endothermic.…”
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933
Climatic Cycles and Gradients of the El Niño Core Region in North Peru
Published 2015-01-01“…At the coast, a low-level jet works as a thermodynamic energy sink, suppressing deep convection and supporting the aridity. …”
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934
An Effective Biomass for the Adsorption of Methylene Blue Dye and Treatment of River Water
Published 2022-01-01“…It is evident from the thermodynamic data that the adsorption is exothermic. …”
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935
Study on the Adsorption Performance and Adsorption Mechanism of Graphene Oxide by Red Sandstone in Aqueous Solution
Published 2022-01-01“…The adsorption isotherm model fits the Langmuir model. The adsorption thermodynamic experiments and fitting results show that the reaction is endothermic. …”
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936
Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous So...
Published 2023-01-01“…Pseudo-second-order kinetic model and Weber–Morris intraparticle diffusion model well describe the chemical nature of the adsorption. The thermodynamic parameters of the reaction are determined based on the Van’t Hoff equation.…”
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937
A coupling study of scavenging effect on pollutant formation and unclean combustion of a linear vibration engine
Published 2025-01-01“…This paper develops a systematical dynamic-thermodynamic model that mutually transfers the interaction parameters between combustion model, pollution model and the insight the of a linear diesel engine, and an iterative calculation schedule is proposed to solute the systematical model for the simulation of scavenging pressure effect on combustion and pollution. …”
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938
Protection performance of Azadirachta indica leaf essential oil on corrosion of plain carbon steel in weak HCl and NH4Cl
Published 2025-01-01“…Standard error for ADI performance within 0.5 M HCl were extreme, suggesting thermodynamic stability of inhibitor molecules. Standard error were lower in 1 M HCl, 3.74 M NH4Cl, and 5.61 M NH4Cl. …”
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939
Preparation and Characterization of Chitosan/Bentonite Composites for Cr (VI) Removal from Aqueous Solutions
Published 2021-01-01“…CSBT follows a pseudosecond-order kinetic model, and within 1.5 h, adsorption was observed to reach equilibrium. The calculated thermodynamic functions clarified that the adsorption process was exothermic and spontaneous below 312.60 K. …”
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940
Physiochemical Restrictions of Mineral Zoning of Sediment-Hosted Stratiform Copper Deposit in SW China
Published 2018-01-01“…We studied the mineral zoning in detail using a thermodynamic phase diagram method, such as logfO2-logfS2, pH-logfO2, and pH-Eh, and discussed the constraints on the order of the minerals precipitation under different physiochemical conditions. …”
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