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Relevant bibliographies by topics / Equilibrium Isotherm

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Academic literature on the topic 'Equilibrium Isotherm'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Equilibrium Isotherm"

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Vitázek, I., and J. Havelka. "Sorption isotherms of agricultural products." Research in Agricultural Engineering 60, Special Issue (2014): S52—S56. http://dx.doi.org/10.17221/35/2013-rae.

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The aim of the paper is to expand the theory of sorption and equilibrium moisture contents as well as to present the methodology of developing two types of sorption isotherms &ndash; I and II. The attention is also paid to the importance of the isotherms in the thermodynamics of drying and in the process of storage of agricultural products. Presented methodology of obtaining the isotherms is based on selected equations of the theory of adsorption and on the results of experimental measurements of equilibrium moisture content. Definition of the new isotherm II is introduced as dependence of

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Kelechi, E. Onwuka, S. Eze Kalu, U. Aghalibe Christopher, J.C. Igwe, and I.I. Ezeaku. "Adsorption of Malachite Green Dye on to Rectorite: Equilibrium and Thermodynamic Studies." 2349-7092 6, no. 3 (2019): 116–24. https://doi.org/10.5281/zenodo.13940220.

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The effect of temperature on the equilibrium adsorption of Malachite green dye from aqueous solution using rectorite was studied. The equilibrium adsorption data were analyzed using three widely applied isotherms; Langmuir, Freundlich, and Redlich-Peterson isotherm. A nonlinear method was used for comparing the best fitting of the isotherms. Best fits were found to be Redlich-Peterson isotherm. Thermodynamic parameters, such as ΔG°, ΔH°, and ΔS°, were calculated using adsorption equilibrium constant obtained from the Langmuir isotherm. Results suggested that the M

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Pode, Rodica, Eveline Popovici, Laura Cocheci, Erika Reisz, Mihaela Seftel, and Vasile Pode. "Sorption of phosphates and thiocyanates on isomorphic substituted Mg/Zn-Al-type hydrotalcites." Journal of the Serbian Chemical Society 73, no. 8-9 (2008): 835–43. http://dx.doi.org/10.2298/jsc0809835p.

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The sorption equilibriums of phosphate and thiocyanate anions on isomorphic substituted Mg/Zn-Al-type hydrotalcites were investigated in this study. Langmuir and Freundlich isotherms were used to interpret the equilibrium data for phosphate. The sorption equilibriums of phosphate on Mg3Al, Mg2ZnAl and Mg1.5Zn1.5Al hydrotalcites were well described by the Langmuir isotherm. The highest maximum sorption capacities for these adsorbents were as follows: 111, 101 and 95 mg g-1. The equilibrium constant and standard Gibbs energy changes were also calculated from the sorption data. Standard Gibbs ene

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Nathan, Risha Jasmine, Arvind Kumar Jain, and Rhonda J. Rosengren. "Non-Equilibrium Multi-Ion Biosorption Isotherms for Removal of Heavy Metals from Drinking Water." Indian Journal of Forensic Medicine and Pathology 14, no. 2 (Special issue) (2021): 246–55. http://dx.doi.org/10.21088/ijfmp.0974.3383.14221.34.

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Biosorption isotherms define the relationship between biosorption capacity of the biosorbent and the equilibrium concentration of the ions in solution, at a constant temperature. Experiments are routinely performed under near-equilibrium because it is impossible to determine the exact time at which equilibrium was attained. A novel attempt to study multi-ion biosorption in non-equilibrium conditions has been made, based on the Probability Isotherm theory. Materials and Methods: Probability Isotherm theory was examined with cucumber and kiwifruit peel beads which are reported to be efficient bi

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El-Aswad, Ahmed F., Mohamed R. Fouad, Mohamed E. I. Badawy, and Maher I. Aly. "Modeling study of adsorption isotherms of chlorantraniliprole and dinotefuran on soil." Current Chemistry Letters 13, no. 3 (2024): 503–14. http://dx.doi.org/10.5267/j.ccl.2024.2.008.

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Knowledge of pesticide adsorption characteristics is essential to predict their behavior in soil. The adsorption equilibrium isotherms of two insecticides chlorantraniliprole (CAP) and dinotefuran (DNF) on two common Egyptian soil types, clay loam and sandy loam were studied and modeled. To predict the adsorption isotherms and to determine the adsorption parameters, ten isotherm models: Langmuir (five linear forms), Freundlich, Temkin, Dubinin-Radushkevich, Elovick, Fowler-Guggenheim, Kiselev, Jovanoic, Harkins-Jura, and Halsey were applied on experimental data. The results revealed that the a

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Alcides, M. M. Michellod, N. Pila Andrea, I. Profeta Mariela, et al. "Models Sorption of Cyhalofop-Butyl, on Mesopotamic Agricultural Soils." Chemistry Research Journal 5, no. 4 (2020): 54–61. https://doi.org/10.5281/zenodo.12595863.

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<strong>Abstract </strong>The adsorption equilibrium of butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy) phenoxy]propanoate (CB) was studied in rice-growing soil. The equilibrium sorption data were fitted into Langmuir, Temkin and Dubinin–Radushkevich (DRK) isotherms. Of the four adsorption isotherm, the R<sup>2</sup> value of Dubinin–Radushkevich isotherm model was the highest. The maximum monolayer coverage (q<sub>m</sub>) from Langmuir isotherm model was determined to be 0.079 mg g<sup>-1</sup>, the separation factor indicating a favorable sorption experiment is 0.38. The heat of sorpt

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Agarwal, Ajay K., Mahendra S. Kadu, Chandrashekhar P. Pandhurnekar, and Ishwardas L. Muthreja. "Equilibrium isotherm studies for the sorption of Nickel ions onto coal fly ash." Environment Conservation Journal 15, no. 1&2 (2014): 153–59. http://dx.doi.org/10.36953/ecj.2014.151220.

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The objective of the present study was to study equilibrium isotherm for the sorption of Nickel ions onto coal fly ash. In this study, BET adsorption isotherm was found to be best fitted among Langmuir, Freundlich, BET, Temkin and Harkins Jura adsorption isotherms using lest square fit method. The best fit adsorption isotherm is assessed by the linear coefficient of determination (R2) and non-linear Chi-square test. The theoretical value of qe calculated from the best fit linear equation of each adsorption isotherm and the experimental values of qe (0.08) are plotted against Ce, to compare the

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Tewari, Hemlata, and Vivekanand. "Removal of heavy metals from industrial effluent using Pinus roxburghii leaves as biosorbent: equilibrium modelling." Water Science and Technology 67, no. 9 (2013): 1894–900. http://dx.doi.org/10.2166/wst.2013.034.

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In the present study, biosorption capability of pine (Pinus roxburghii) leaves for the removal Cr6+, Cu2+, Fe2+ and Zn2+ ions, present in brass and electroplating industry effluent, were investigated with respect to different adsorbent doses, contact time and pH. Heavy metals concentrations were estimated by atomic absorption spectrophotometry. Initial concentration of Cr6+, Cu2+, Fe2+ and Zn2+ ions in the effluent were found to be 2.741, 4.551, 8.820 and 5.529 mg/L respectively. Biosorption studies revealed that Cr6+, Cu2+, Fe2+ and Zn2+ showed maximum removal of 99.85, 94.54, 97.10 and 89% a

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Brdar, Mirjana, Aleksandar Takaci, Marina Sciban, and Dusan Rakic. "Isotherms for the adsorption of Cu(II) onto lignin: Comparison of linear and non-linear methods." Chemical Industry 66, no. 4 (2012): 497–503. http://dx.doi.org/10.2298/hemind111114003b.

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Equilibrium studies were carried out for the adsorption of Cu(II) onto Kraft lignin as an adsorbent. The experimental data were fitted to the Freundlich, Langmuir and Redlich-Peterson isotherms by linear and non-linear method. Comparison of linear and non-linear regression method was given in selecting the optimum isotherm for the experimental data. The coefficient of correlation r2 and Chi-square test ?2 was used to select the best linear theoretical isotherm. The best linear model is Redlich-Peterson isotherm model, where r2=0,985 and ?2=0,02. In order to predict the error ERRSQ, HYBRD, MPSD

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Owabor, C. N., I. O. Oboh, and F. A. Omiojieahior. "Adsorption Isotherms for Naphthalene on Clay and Silt Soil Fractions: A Comparison of Linear and Nonlinear Methods." Advanced Materials Research 367 (October 2011): 359–64. http://dx.doi.org/10.4028/www.scientific.net/amr.367.359.

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Polycyclic aromatic hydrocarbons occur naturally in petroleum oil and coal and the burning of fuel and the activities of paper mills also release these compounds to the environment. Batch experimental adsorption study for both soil fractions was conducted in a soil slurry system at ambient temperature, using <0.02mm particle sizes. Comparison was made of the linear least-squares method and a trial-and-error nonlinear method of some widely used isotherm models for the adsorption of naphthalene on clay and silt fractions. The experimental results were fitted to the Langmuir, Freundlich, Radke

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Dissertations / Theses on the topic "Equilibrium Isotherm"

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Benavente, Martha. "Adsorption of Metallic Ions onto Chitosan : Equilibrium and Kinetic Studies." Licentiate thesis, Stockholm : Kemiteknik, Chemical and Engineering and Technology, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4746.

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Ceteroni, Ilaria. "High-pressure adsorption differential volumetric apparatus (HP-ADVA) for accurate equilibrium measurements." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22274/.

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The volumetric system is a commonly used experimental method for gas adsorption measurements. Starting from the conventional volumetric system (single-branched), the development of differential (double-branched) apparatus has been proposed to overcome some criticalities connected to the original design. The following study is focused on the assessment of the high-pressure differential volumetric apparatus (HP-ADVA) built at the University of Edinburgh in order to discover and characterise system peculiarities at different experimental conditions, in terms of temperature and pressure. To do thi

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Hendra, Adhi Pratama. "Comparison of Cs Adsorption Characteristics of Soils in Japan and Indonesia." Kyoto University, 2019. http://hdl.handle.net/2433/242915.

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Bakyayita, Kizito Grace. "Equilibrium and Kinetic Batch Studies of Cadmium and Lead sorption using Low Cost Biosorbents." Licentiate thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145004.

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Agricultural wastes; Albizia coriaria, Coffea canephora, Cyperus papyrus, Erythrina abyssinica and Musa spp were evaluated for uptake of aqueous Cd2+ and Pb2+ ions in single- and binary-component solutions. Untreated, base-treated and peroxide-treated biomasses were employed in batch studies. The optimal conditions for Cd2+ and Pb2+ ions biosorption were pH 3.5 – 5 for contact time 3.0 – 3.5 hours and biosorbent dosage 10 – 12.5 g/L. Base-treated biosorbents showed a 10 – 17 % sorption enhancement for Cd2+ ions and a 1.6 – 2.3 % uptake reduction for Pb2+ ions. The sorption capacities for Cd2

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Burkhart, James D. "An assessment of the effectiveness of the Polanyi equilibrium theory at predicting adsorption isotherms." FIU Digital Commons, 1990. http://digitalcommons.fiu.edu/etd/1891.

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The Polanyi Equilibrium Theory proposes that a characteristic curve exist which can, after the application of certain abscissa scale factors, describe the adsorption of all compounds on a given carbon. A study was undertaken, using published data from several sources on a variety of compounds and carbons to challenge the most fundamental aspects of the Polanyi Adsorption Equilibrium Theory. Its effectiveness as a predictive model was tested by constructing characteristic curves and comparing the observed isotherm data to the Polanyi predictions. The results support the existence of the charact

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Hyder, A. H. M. Golam. "Sorption Characteristics of Hexavalent Chromium [Cr(VI)] onto Bone Char and Bio-char." Thesis, KTH, Mark- och vattenteknik (flyttat 20130630), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171833.

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The sorption characteristics of hexavalent chromium [Cr(VI)] onto bone char and bio-char were evaluated as a function of pH, initial Cr(VI) concentration, and dosages of bone char and bio-char. Batch tests were conducted by using synthetic wastewater in this study. The effects of various initial Cr(VI) concentrations between 5 mg/L and 1000 mg/L were evaluated using bone char as a sorbent. A Cr(VI) removal efficiency of 100 % was achieved at pH 1 with 2 g of bone char in 50 mL of solution at 3 hours of reaction time using initial Cr(VI) concentration of 10 mg/L. About 100 % of Cr(VI) was remov

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Camacho, Bárbara Cassiana Rodrigues. "Experimental Gravimetric Adsorption Equilibrium of n-Alkanes and Alkenes, Carbon Dioxide and Nitrogen in MIL-53(Al) and Zeolite 5A." Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/12140.

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Dissertação para obtenção do Grau de Mestre em Engenharia Química e Bioquímica<br>The objective of this work was the measuring of adsorption equilibrium, by the gravimetric method. Experimental results are presented for the adsorption equilibrium of the series of n-alkanes, ethylene, nitrogen and carbon dioxide in two microporous materials, the metal-organic framework, MIL-53(Al) and zeolite 5A. Both of them have desirable characteristics for adsorption processes, such as the capture and storage of carbon dioxide, natural gas storage, separation of components of biogas, and separation of ole

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Mofaddel, Nadine. "Contribution à l'étude de systèmes quaternaires : exploitation de sulfates alcalins et dédoublement de molécules chirales par formation de diastéréoisomères." Rouen, 1989. http://www.theses.fr/1989ROUES013.

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Dans le cadre de la détermination des domaines de cristallisation d'espèces définies dans un système d'ordre élevé, deux systèmes quaternaires sont étudiés. Le premier système est Na2So4 - K2SO4 – (NH4)2SO4 – H2O : l'isotherme 18°C est dressé, définissant les domaines de stabilité des différentes phases rencontrées. Le deuxième système est le système réciproque: l'isotherme 20°C montre la possibilité de dédoublement d'un composé racémique. Une étude critique des travaux antérieurs est apportée

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Pissetti, Fabio Luiz. "Preparação de redes modificadas de poli(dimetilsiloxano) com ion piridinio ou etilenodiamina : estudo da adsorção de ions metalicos em etanolico." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249701.

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Orientador: Yoshitaka Gushikem<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-09T15:34:14Z (GMT). No. of bitstreams: 1 Pissetti_FabioLuiz_D.pdf: 855103 bytes, checksum: e55ee07323e46240da5c3f9bf26b3491 (MD5) Previous issue date: 2007<br>Resumo: Neste trabalho foram preparadas redes poliméricas com propriedades elastoméricas a partir do poli(dimetilsiloxano) (PDMS), modificadas com íon piridínio ou etilenodiamina. Os materiais preparados foram caracterizados por espectroscopia no infravermelho, análise termogravimétrica, ca

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Norman, Per-Albin. "Filter Materials for Sorption of Cu and Zn in Stormwater Treatment: A Batch Equilibrium and Kinetic study." Thesis, Luleå tekniska universitet, Arkitektur och vatten, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68059.

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Urban stormwater is today recognized as a significant source of pollution that has contributed to the deterioration of water quality in lakes and streams. Of the pollutants, metals are commonly occurring in stormwater and can cause major damage when released into the receiving waters. A promising treatment method for removing these metals before it reaches the receiving waters is to filter the water in various filter technologies such as catch basin inserts. In this study, the potential of five materials to remove dissolved copper (Cu) and zinc (Zn) from stormwater was investigated. The study

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Books on the topic "Equilibrium Isotherm"

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Savolainen, Pekka. Modeling of non-isothermal vapor membrane separation with thermodynamic models and generalized mass transfer equations. Lappeenranta University of Technology, 2002.

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Coroyannakis, Panos. Studies on isothermal multicomponent sorption using equilibrium theory. 1988.

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Staudt, Reiner, and Jürgen U. Keller. Gas Adsorption Equilibria: Experimental Methods and Adsorptive Isotherms. Springer, 2010.

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Gas Adsorption Equilibria: Experimental Methods and Adsorptive Isotherms (Microsystems). Springer, 2004.

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Staudt, Reiner, and Jürgen U. Keller. Gas Adsorption Equilibria: Experimental Methods and Adsorptive Isotherms (Microsystems Book 9). Springer, 2006.

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Daïan, Jean-François. Equilibrium and Transfer in Porous Media: Applications, Isothermal Transport and Coupled Transfers. Wiley & Sons, Incorporated, John, 2014.

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Daïan, Jean-François. Equilibrium and Transfer in Porous Media 3: Applications, Isothermal Transport and Coupled Transfers. Wiley & Sons, Incorporated, John, 2014.

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Daïan, Jean-François. Equilibrium and Transfer in Porous Media 3: Applications, Isothermal Transport and Coupled Transfers. ISTE Editions Ltd., 2014.

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Daïan, Jean-François. Equilibrium and Transfer in Porous Media 3: Applications, Isothermal Transport and Coupled Transfers. Wiley & Sons, Incorporated, John, 2014.

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An, Jean-Fran. Equilibrium and Transfer in Porous Media 3: Applications, Isothermal Transport and Coupled Transfers. Wiley & Sons, Incorporated, John, 2014.

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Book chapters on the topic "Equilibrium Isotherm"

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Lin, Wang, Xu Dan, Feng Jianxin, Cui Hanlong, Wang Wenhui, and Zhu Yingxi. "Solid-Liquid Equilibria of Ternary Systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O at 298 K." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_42.

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AbstractUO2(NO3)2 and UF4 are significant intermediates that connect different chemical unit operations (such as dissolution, evaporation, concentration, extraction and etc.) in uranium chemical industry. Commonly, there is a basic physicochemical question about phase equilibrium of ternary systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O, it is crucial to understand the phase behavior and thermodynamic properties of them with the continuous development of uranium chemical industry. In this study, solid-liquid phase equilibria of ternary systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O at 29

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Daïan, Jean-François. "Isothermal Transport in the Pore Space." In Equilibrium and Transfer in Porous Media 2. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118931257.ch2.

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Daïan, Jean-François. "Isothermal Transport in Porous Media: Applications." In Equilibrium and Transfer in Porous Media 3. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118931288.ch1.

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Narita, S., M. Kiguchi, S. M. Miyama, and C. Hayashi. "Equilibrium and Collapse of Rotating Isothermal Clouds." In Star Forming Regions. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4782-5_121.

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Veron, Laurent. "Conformal Asymptotics of the Isothermal Gas Spheres Equation." In Nonlinear Diffusion Equations and Their Equilibrium States, 3. Birkhäuser Boston, 1992. http://dx.doi.org/10.1007/978-1-4612-0393-3_36.

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Hayashi, Chushiro. "Equilibria and Dynamics of Isothermal Clouds." In Star Forming Regions. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4782-5_136.

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Igberase, Ephraim, Peter Ogbemudia Osifo, Tumisang Seodigeng, and Ikenna Emeji. "Adsorption of Pb(II), Cu(II), Ni(II), Zn(II), Cr(VI) and Cd(II) Ions by Microwave-Improved Grafting Technique of Cross-Linking Composite Chitosan Beads. Studies Concerning Equilibrium, Isotherm and Desorption." In Enhanced Chitosan Material for Water Treatment. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71722-3_3.

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Aston, M. S. "The Anamolous Effect of Electrolytes on Surfactant Monolayer Surface Pressure-Area Isotherms." In The Structure, Dynamics and Equilibrium Properties of Colloidal Systems. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3746-1_36.

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Zakharov, Stepan, and Vasily Pisarev. "CubicEoS.jl: Extensible, Open-Source Isothermal Phase Equilibrium Calculations for Fluids." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-49432-1_5.

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Djebbar, Mustapha, Fatiha Djafri, and Mohammed Bouchekara. "Equilibrium, Langmuir Isotherms and Thermodynamic Studies for Adsorption of Cu(II) on Natural Clay." In Advanced Structured Materials. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07383-5_24.

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Conference papers on the topic "Equilibrium Isotherm"

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Funcia, Eduardo S., Yuri S. Beleli, Enrique V. Garcia, Marcelo M. Seckler, Jos� L. Paiva, and Galo A. C. Le Roux. "Modeling, Simulation and Optimization of a Carbon Capture Process Through a TSA Column." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.159090.

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By capturing carbon dioxide from biomass flue gases, energy processes with negative carbon footprint are achieved. Among carbon capture methods, the fluidized temperature swing adsorption (TSA) column is a promising low-pressure alternative, but it has been developed on small scales. This work aims to model, simulate and optimize a fluidized TSA multi-stage equilibrium system to obtain a cost estimate and a conceptual design for future process scale up. A mathematical model described adsorption in multiple stages, each with a heat exchanger, coupled to the desorption operation. The model was b

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Alaei, Padina, Bernard P. Binks, Paul D. I. Fletcher, Ibrahim E. Salama, and David I. Horsup. "Surfactant Properties of Alkylbenzyldimethylammonium Chloride Oilfield Corrosion Inhibitors." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02158.

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Abstract We have investigated the surfactant properties, including aggregation, partitioning between oil and aqueous phases and adsorption to different surfaces of a homologous series of alkylbenzyldimethylammonium chloride (CnBDMAC) corrosion inhibitors with alkyl chain lengths from 10 to 16 carbons for different concentrations of brine and temperatures. Air-water surface tension measurements have been used to determine the critical micelle concentrations (CMC) and the isotherms for adsorption at the air-water surface. The phase behavior in mixtures with different oils and the surfactant dist

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Santana, Vinicius, Andr�s Riedemann, Pierre J. Walker, and Idelfonso Nogueira. "Langmuir.jl: An Efficient and composable Julia Package for Adsorption Thermodynamics." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.144752.

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Recent advancements in material design have made adsorption a more energy-efficient alternative to traditional thermally driven separation processes. Accurate modelling of adsorption thermodynamics is crucial for designing and operating equilibrium-limited adsorption systems. High-quality open-source packages like PyIAST, PyGAPsare available for processing adsorption data in Python. They provide a robust set of features for processing and analysing isotherms. However, they have no support for automatic differentiation and are not targeted for performance. Langmuir.jl addresses these limitation

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Sklenicka, V., K. Kucharova, M. Svoboda, and A. Kroupa. "Creep Behavior of Advanced Power Plant Steels after Long-Term Isothermal Ageing." In AM-EPRI 2010, edited by D. Gandy, J. Shingledecker, and R. Viswanathan. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.am-epri-2010p0516.

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Abstract In this paper we tried to model the creep-strength degradation of selected advanced creep resistant steels which occurs under operating conditions. In order to accelerate some microstructure changes and thus to simulate degradation processes in long-term service, isothermal ageing at 650°C for 10 000 h was applied to P91, P92 and P23 steels in their as- received states. The tensile creep tests were performed at temperature 600°C in argon atmosphere on all steels both in the as-received state and after isothermal ageing, in an effort to obtain a more complete description of the role of

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Marya, Manuel. "A Parametric Evaluation of Well Construction Corrosion-Resistant Alloys for Geological Carbon Sequestration." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20582.

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Abstract A parametric test program involving completion alloys in supercritical CO2 was conducted using both isothermal and non-isothermal cycles in the presence of contaminants (i.e., H2O, NO2, SO2, H2S, H2) above typical impurity limits for carbon capture and sequestration (CCS). The isothermal testing consisted of 4500 psi (310 bar) autoclave tests at 175°F (79°C) with the test materials in supercritical CO2, and optionally, in a NaCl-rich brine in equilibrium; the non-isothermal testing was similar, but included three consecutive cycles with 250°F (121°C) and 70°F (21°C) exposures. Up to t

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Binks, B. P., P. D. I. Fletcher, J. T. Hicks, W. H. Durnie, and D. I. Horsup. "Comparison of the Effects of Air, Carbon Dioxide and Hydrogen Sulphide on Corrosion of a Low Carbon Steel under Water and Its Inhibition by a Quaternary Ammonium Salt." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05307.

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Abstract We have investigated the corrosion rate of a low carbon steel, under aerated, “sweet” and “sour” conditions and measured the effect of adding a corrosion inhibitor, dodecylbenzyldimethyl ammonium chloride (C12BDMAC). It is found that C12BDMAC acts as a corrosion inhibitor under “sour” conditions when an iron sulphide surface is formed. For either aerated or carbonated conditions, addition of C12BDMAC appears to promote corrosion rather than inhibit it. The magnitude of this corrosion promotion effect appears to correlate with the reduction in contact angle for water on the metal surfa

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He, Yi, Shuai Ren, Xi Wang, et al. "The Effect of Temperature on the Adsorption Behavior and Inhibition Performance of a Pyrimidine-Type Inhibitor at Medium Temperature Range (25°C to 80°C)." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17895.

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Abstract In the oil and gas industry, long-distance transmission of produced hydrocarbons is usually carried out in large-diameter steel pipelines. However, water co-produced with the oil and gas, combined with CO2 or H2S, can cause severe corrosion of internal pipeline surfaces. A widely applied, economically effective method of corrosion control is to inject corrosion inhibitors (CIs). Adsorption of the organic molecules on surfaces through heteroatom functionalities, containing nitrogen, oxygen, sulfur and/or phosphorus, can markedly change the corrosion resistance characteristics of the ex

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Tkachenko, Anastasiia, Olha Sahdeeva, Galina Krusir, and Myroslav Malovanyy. "Study of Sorption Properties of Buckwheat Husk Biochar." In 8th International Congress "Environment Protection. Energy Saving. Sustainable Environmental Management". Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-8ufftt.

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Buckwheat grain processing produces a significant amount of buckwheat hulls, which are usually stored or incinerated, posing a threat to the environment, particularly to soil and air. The solution to this problem may lie in the production of biochar from buckwheat husks. Buckwheat husks have a favourable composition for biochar production. The resulting biochar can be used as an additive to compost to improve its characteristics, ensure a high-quality composting process and adsorb pollutants. Since the mechanisms of sorption of biochar produced from buckwheat husk are not yet well understood,

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Zammouri, Amel, M. Ben Zid, N. Kechaou, and N. Boudhrioua Mihoubi. "Thermodynamic properties and moisture sorption isotherms of two pharmaceutical compounds." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7702.

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This investigation examines and compares the water sorption isotherms and the thermodynamic properties of two pharmaceutical preparations (Hypril and Azix) intended to be manufactured with the same process plant and equipment. The moisture equilibrium isotherms were determined at 50, 60 and 70 °C using a gravimetric technique. Five isotherm models were explored for their fitting to the experimental data. Azix showed sigmoid type II isotherms while Hypril showed type III isotherms according to the BET classification. All investigated models fitted well the water sorption isotherms of Hypril. By

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Cojocariu, Bianca, Anca Mihaela Mocanu, Dumitru Bulgariu, Gabriela Nacu, and Laura Bulgariu. "Equilibrium isotherm study of metal ions adsorption on PET recycled fibers." In 2017 E-Health and Bioengineering Conference (EHB). IEEE, 2017. http://dx.doi.org/10.1109/ehb.2017.7995367.

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Reports on the topic "Equilibrium Isotherm"

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Glass, Samuel V., Samuel L. Zelinka, Charles R. Boardman, and Emil Engelund Thybring. Promoting advances in understanding water vapor sorption in wood: relegating popular models and misconceptions. Department of the Built Environment, 2023. http://dx.doi.org/10.54337/aau541615744.

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Water vapor sorption is a fundamental characteristic of wood as a building material. Apart from empirical prediction, models are often used to interpret the time-dependent process of water vapor uptake (sorption kinetics) and equilibrium states of water in wood (sorption isotherms). This paper summarizes our recent investigations into measurement methods and popular models that are widely used for interpreting these physical phenomena. Commonly used criteria for determining equilibrium moisture content with the dynamic vapor sorption technique yield much larger errors than previously thought.

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose. Chulalongkorn University, 2017. https://doi.org/10.58837/chula.res.2017.66.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose (Year 2). Faculty of Engineering, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.82.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo

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DUFFEY, CHERYL. Determination of Cesium (CS+) Adsorption Kinetics and Equilibrium Isotherms from Hanford Waste Simulants Using Resorcinol-Formaldehyde (RF) Resins. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/828771.

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Sambi, I. S., and D. J. Patmore. Vapour-liquid equilibrium under hydrocracking conditions - i. program for isothermal flash calculations using Grayson-Streed method. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/302679.

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Lamontage, Robert A., and Richard A. Matuszko. Theoretical Aspects of Multicomponent Adsorption Equilibria. Part I: Development of a Computationally Fast Adsorption Isothem Model That Can be Applied to Systems Which Demonstrate Energetic Heterogeneity. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada325445.

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