Relevant bibliographies by topics / Temkin isothermal model

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Academic literature on the topic 'Temkin isothermal model'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Temkin isothermal model"

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Javed, Ifrah, Muhammad Asif Hanif, Umer Rashid, Farwa Nadeem, Fahad A. Alharthi, and Elham Ahmed Kazerooni. "Enhancing Functionalities in Nanocomposites for Effective Dye Removal from Wastewater: Isothermal, Kinetic and Thermodynamic Aspects." Water 14, no. 17 (2022): 2600. http://dx.doi.org/10.3390/w14172600.

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The adsorption process combined with electrocoagulation is a highly effective technique for dye removal. Calcinized and non-calcinized composites based on bentonite and sodium zeolite were prepared for adsorptive removal of Foron EBL blue, Terasil brown 2RFL, Torque blue PG, and Orange P3R dyes. Factors affecting the adsorption process, such as contact time, initial dye concentration, and temperature, were also explored in this study. Equilibrium data of natural clay composites was explained by Freundlich, Langmuir, Dubinin Radushkevich isotherm, Harkin Jura, and Temkin isothermal models. Hark
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Wang, Jianhong, Qi Zhang, Hao Yang, and Congzhen Qiao. "Adsorptive Desulfurization of Organic Sulfur from Model Fuels by Active Carbon Supported Mn (II): Equilibrium, Kinetics, and Thermodynamics." International Journal of Chemical Engineering 2020 (June 16, 2020): 1–12. http://dx.doi.org/10.1155/2020/2813946.

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Mn (II)/AC adsorbents were prepared by ultrasonic impregnation. The 2 wt. % Mn/AC showed best adsorptive performance, and the optimal adsorption temperature was 313 K. Benzene, methylbenzene, and naphthalene were used to explore the adsorptive selectivity of Mn/AC, indicating that Mn could enhance the adsorptive capacity but could not improve the adsorptive selectivity. The adsorptive mechanism was mostly like to be π-complex. Adsorptive isotherms and kinetics were investigated, and the parameters were calculated. The R2, RMSE, and AICc were used to assess the optimal model. The results showed
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Choi, Jung-Weon, and Sang-June Choi. "Polyacrylamide Functionalized Graphene Oxide/Alginate Beads for Removing Ciprofloxacin Antibiotics." Toxics 10, no. 2 (2022): 77. http://dx.doi.org/10.3390/toxics10020077.

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Ciprofloxacin (CPX), a widely used antibiotic, was removed by synthesizing graphene oxide/calcium alginate–polyacrylamide (GO/Ca-Alg2–PAM) beads, a three-dimensional double-network complex. The synthesis of GO/Ca-Alg2–PAM beads was performed by crosslinking and cation exchange mechanisms with graphene oxide (GO), sodium alginate (Na-Alg), and polyacrylamide (PAM). The properties of GO/Ca-Alg2–PAM beads were confirmed using field emission scanning electron microscopy, Fourier transform infrared spectroscopy, and a thermogravimetric analysis. Furthermore, isothermal adsorption experiments were p
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Prasetya, Dwi Sabda Budi, Ahmadi Ahmadi, Dwi Pangga, and Yusran Khery. "Studi Isotermal Proses Biosorption Emas Menggunakan Kitosan dari Cangkang Kepiting." Empiricism Journal 3, no. 1 (2022): 132–38. http://dx.doi.org/10.36312/ej.v3i1.909.

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Kesetimbangan isotermal serapan emas oleh kitosan telah dipelajari melalui eksperimen. Kitosan yang digunakan dalam penelitian ini merupakan biopolymer yang dihasilkan dari cangkang kepiting. Kitosan telah diaplikasikan dalam berbagai bidang seperti pertanian, biomedical, farmasi, kosmetik, lingkungan, industri makanan, industri kertas, dan tekstil. Pada penelitian ini kitosan diaplikasikan sebagai filter penyerap Au. Hal ini dilakukan karena kitosan memiliki kemampuan yang baik menyerap ion logam di dalam larutan. Ada beberapa parameter yang menentukan kapasitas serapan kitosan yaitu : deraja
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Dao, To Uyen T., Hong Tham T. Nguyen, Do Trung Sy, et al. "Adsorption Isotherms and Kinetic Models for Congo Red Adsorption on Ca-Al Layer Double Hydroxide Adsorbent." Solid State Phenomena 298 (October 2019): 128–32. http://dx.doi.org/10.4028/www.scientific.net/ssp.298.128.

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The equilibrium and physicochemical properties of the Ca-Al LDH material were determined in this study. Kinetic data were analyzed using isothermal models including Langmuir, Freundlich, Temkin and Dubinin–Radushkevich. Adsorption behavior is well described by the Langmuir isotherm and the pseudo-second-order model. The maximum adsorption capacity of CR on Ca-Al LDH is found to be 72.569 mg/g. The uptake results indicated that the adsorption process was controlled by chemical processes and single-layer adsorption. Due to, the Ca-Al LDH material may be become an effective adsorbent for removal
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Wehinger, Gregor D., Bjarne Kreitz, and C. Franklin Goldsmith. "Non-Idealities in Lab-Scale Kinetic Testing: A Theoretical Study of a Modular Temkin Reactor." Catalysts 12, no. 3 (2022): 349. http://dx.doi.org/10.3390/catal12030349.

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The Temkin reactor can be applied for industrial relevant catalyst testing with unmodified catalyst particles. It was assumed in the literature that this reactor behaves as a cascade of continuously stirred tank reactors (CSTR). However, this assumption was based only on outlet gas composition or inert residence time distribution measurements. The present work theoretically investigates the catalytic CO2 methanation as a test case on different catalyst geometries, a sphere, and a ring, inside a single Temkin reaction chamber under isothermal conditions. Axial gas-phase species profiles from de
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Waheeb, Azal Shakir, Hassan Abbas Habeeb Alshamsi, Mohammed Kassim Al-Hussainawy, and Haider Radhi Saud. "Myristica fragrans Shells as Potential Low Cost Bio-Adsorbent for the Efficient Removal of Rose Bengal from Aqueous Solution: Characteristic and Kinetic Study." Indonesian Journal of Chemistry 20, no. 5 (2020): 1152. http://dx.doi.org/10.22146/ijc.50330.

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In the present study, the Myristica fragrans shells (MFS) was used as low-cost bio adsorbent for the removal of Rose Bengal (RB) dye from aqueous solutions. The characteristics of MFS powder were studied before and after adsorption using different techniques such as Fourier transform Infrared spectroscopy (FTIR), Thermal Gravimetric Analysis (TGA), BET and BJH surface area analysis, Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM). Batch adsorption was adopted to evaluate the effect of various parameters on the removal of RB such as; time of contact (5–75 min), initial dye
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Tabti, Affaf, Imene Benchikh, Mohamed Serier, Franck Launay, and Fatiha Djafri. "Adsorption of bromothymol blue (BTB) dye using four zeolites as adsorbent." Kemija u industriji 70, no. 5-6 (2021): 243–50. http://dx.doi.org/10.15255/kui.2020.052.

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This study examined adsorption of anionic dye on four zeolitic materials incorporated (VS-1, CuZSM-5) and not incorporated into metals (S-1, ZSM-5). The adsorption of the bromothymol blue (BTB) dye on the four adsorbents was analysed using isotherm models Langmuir, Freundlich, and Temkin. Two kinetic models were also applied to study the adsorption process, pseudo-first order and pseudo-second order. The isothermal data showed good correlation. The kinetics of adsorption were better described by the pseudo-second order model. The results obtained indicate that the maximum percentage removal of
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Saleh Alwan, Esraa, Faiq F. Karam, and Zeina M. Kadam. "Kinetics, isotherms and thermodynamics study of eosin yellow dye adsorption from aqueous solutions by MnO2@rGO nanocomposite." Bulletin of the Chemical Society of Ethiopia 39, no. 6 (2025): 1213–26. https://doi.org/10.4314/bcse.v39i6.15.

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This study explores the use of MnO2@rGO nanocomposite as an adsorbent for Eosin Y dye. It was found that equilibrium for Eosin Y adsorption on the MnO2@rGO nanocomposite surface is achieved in 120 min. The nanocomposite demonstrated a high dye adsorption rate due to its extensive surface area, which facilitates substantial dye uptake‏. To assess the adsorption kinetics of Eosin Y on the MnO2@rGO surface; the data suggested that the pseudo-second-order model fit the data better. The Langmuir, Freundlich, and Temkin equations are examples of linear forms of adsorption isotherms that were investi
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Dan-Iya, Bilal Ibrahim, Faggo Abdullahi Ada, Muhammed Abdullahi Ubana, Ismaila Haruna, Aisha Grema, and Mohd Yunus Shukor. "Mercury Sorption onto Rice Husk Ash: An Isothermal Remodelling." Bioremediation Science and Technology Research 11, no. 1 (2023): 23–32. http://dx.doi.org/10.54987/bstr.v11i1.833.

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The rice milling process produces rice husk as a by-product. It is one of the most important agricultural leftovers in terms of volume. The data of the sorption isotherm of Hg (II) (CV) sorption onto rice husk ash, which was plotted using linearized plots of isothermal models were reanalyzed using isothermal models using nonlinear regression. As the datapoints were small, nineteen isotherm models with parameters of only up to three were utilized to prevent overfitting. The models were Henry, Langmuir, Freundlich, Temkin, Dubinin-Radushkevich, Jovanovic, Redlich-Peterson, Sips, Toth, Hill, Khan
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Book chapters on the topic "Temkin isothermal model"

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Belekar, R. M., and S. J. Dhoble. "The Fluoride Adsorption Isothermal Studies of Activated Alumina Modified with Different Materials: A Critical Review." In Water Pollution Sources and Purification: Challenges and Scope. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050684122010005.

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: Fluoride in drinking water has become a global problem that has a profound effect on teeth and bones, fostering various health problems. Adsorption is a potential defluoridation technique because of flexibility, cost-effectiveness, environmental friendliness, simplicity in design, relative ease of operation, and capability of producing high water quality. Although activated alumina is an appropriate adsorbent, it has a narrow favorable pH range, a tendency to form toxic aluminum fluoride complexes, and the problem of aluminum metal leaching. This article critically reviews the applicability
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Lakhane, Madhuri, and Megha Mahabole. "Biocompatible Composites and Applications." In Bio-Inspired Nanotechnology. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815080179123010004.

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In this chapter, the low-cost, biodegradable absorbents are developed for wastewater treatment. At first, the modification of the procured nano ZSM-5 is executed by means of dealumination and ion exchange process to have de-laminated (D-ZSM-5), Cu-ZSM-5 and Fe-ZSM-5. Furthermore, cellulose nanofibrils (CNFs) are mixed with modified zeolites with varying concentrations (20 and 80 wt%) used for the fabrication of innovative composite films ((D-ZSM-5, Cu-ZSM-5 and Fe-ZSM-5). FTIR, XRD, BETCO2, TGA, and SEM type of characterization techniques are used for the analysis of composites. The prepared c
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Madkour, Loutfy H., Savaş Kaya, Ime Bassey Obot, and Lei Guo. "Hydantoins-Based Corrosion Inhibitors for Mild Steel in Acidic and Alkaline Solutions." In Advances in Chemical and Materials Engineering. IGI Global, 2025. https://doi.org/10.4018/979-8-3693-6341-6.ch011.

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Hydantoins substituents have been studied as corrosion inhibitors for mild steel in HNO3 and NaOH media. The studies involve chemical and electrochemical methods. Weight loss, thermometric and Potentiodynamic polarization (PDP) have been applied. The experimental measurements have been confirmed by quantum chemical calculations and Monte Carlo simulation (MCS). Potentiodynamic polarization studies reveal that the hydantoin derivatives act as mixed type inhibitor. The adsorption obeyed the Temkin adsorption isotherm model. Electronic parameters relevant to their inhibition activity such as EHOM
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Ravi, Monisha, Sanmugapriya Ravi, and Arockia Selvi J. "COMPREHENSIVE VIEW OF ISOLATION/ DETECTION OF PHYTOCHEMICALS FROM PLANT EXTRACT: ECO-FRIENDLY CORROSION INHIBITOR IN VARIOUS CORROSIVE MEDIA." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 11. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs11p2ch8.

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Plants are a source of chemicals that are now being explored in diverse applications in metal deterioration prevention in most systems as a possible substitute for harmful synthetic inhibitors. Over the previous few decades, natural extracts have been used to prevent metals from corroding. The plant extracts give corrosion inhibition efficiencies above 60%. Complex phytochemicals with electron-rich sites in plant extracts interact aggressively with the metallic surface. Numerous multiple bonds and polar functional groups are typically conjugated with these phytochemicals. The presence of π ele
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Conference papers on the topic "Temkin isothermal model"

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Hassani, Sh, K. P. Roberts, S. A. Shirazi, E. F. Rybicki, J. R. Shadley, and C. Joia. "Characterization and Prediction of Chemical Inhibition Performance for Erosion-Corrosion Conditions in Sweet Oil and Gas Production." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01122.

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Abstract Erosion-corrosion deterioration of carbon steel in CO2-saturated systems with sand is a problem in the oil and gas industry because the combined effects of erosion and corrosion can reduce the protection provided by iron-carbonate scale formation and/or inhibitors. The result can be pitting and severe erosion-corrosion. The effects of sand erosion on inhibitor performance have been examined in a flow loop using an impinging jet test cell and different techniques such as long-term Weight Loss (WL), Linear Polarization Resistance (LPR), Potentiodynamic Polarization (PDYN), 3D profilomet
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Durnie, W. H., and M. A. Gough. "Characterization, Isolation and Performance Characteristics of Imidazolines. Part II. Development of Structure - Activity Relationships." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03336.

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Abstract Imidazolines have been used in the area of corrosion inhibition since at least the mid 1940’s when it was shown that long chain organic compounds with polar functional groups had corrosion inhibition properties when applied to oil-field environments. Part I. of this paper reported the synthesis, separation/isolation and performance characteristics of various imidazoline species synthesised from oleic acid (OA) and diethylenetriamine (DETA). These techniques have been employed in order to yield relatively ‘pure’ imidazolines for more detailed study. This paper presents the preliminary
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Enascuta, Cristina-Emanuela, Elena-Emilia Oprescu, Catalina Calin, Gabriel Vasilievici, and Cristina Popa. "ADSORPTION OF NITRATE ON MAGNETIC MICROALGAL BIOCHAR." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/6.1/s25.07.

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The presence of nitrate concentration in drinking water can cause high toxicity to the human body, being considered among the most important pollutant in the environment. Among the many methods available such as biological treatment, electrodialysis, reverse osmosis, adsorption, ion exchange, adsorption is the most used technique due to its low cost and simplistic design. Therefore, the aim of this paper was to study the retention of nitrate anion from high concentration aqueous solutions on a novel magnetic adsorbent obtained by pyrolysis of de-oiled microalgal biomass. The prepared adsorbent
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Tasić, Tamara, Vedran Milanković, Vladan Anićijević, Igor Pašti, and Tamara Lazarević-Pašti. "Adsorbing danger: Carbon material combatting organophosphate." In 11th International Scientific Conference on Defensive Technologies - OTEX 2024. Military Technical Institute, Belgrade, 2024. http://dx.doi.org/10.5937/oteh24089t.

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Organophosphates are a class of compounds known for their use as chemical warfare agents. These agents have been utilized in military contexts due to their ability to act as nerve agents, disrupting the nervous system's function. However, beyond their military application, organophosphates pose significant risks to human health and the environment. Exposure to these compounds can lead to severe neurological effects and even death in high concentrations. Moreover, organophosphates can persist in the environment, contaminating soil, water, and air, posing long-term risks to ecosystems and public
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Al Ghazawi, Ziad Deeb, and Esra�a Omar Al Diabat. "SALINITY REMOVAL OF RECLAIMED WASTEWATER USING NATURAL AND MODIFIED ZEOLITE AND NANO ZEOLITE PARTICLES." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/1.1/s02.018.

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Wastewater treatment and desalination are considered important solutions to meet the water scarcity in Jordan. The irrigation with reclaimed wastewater, that usually has elevated salinity levels, may adversely change soil structure, stability, and hydraulic properties. Water traditional desalination techniques require huge energy and capital investments. Zeolites in normal and nano scales enhance the desalination process performance and reduce its economic and energy requirements. In this study, batch experiments were conducted to investigate the salinity removal of reclaimed wastewater by usi
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Reports on the topic "Temkin isothermal model"

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Gu, Tianbao, Samuel Simon Araya, and Vincenzo Liso. CFD Modeling of NH3 Synthesis on Ru-Based Catalyst for Hydrogen Storage and Transport. Aalborg University, 2024. https://doi.org/10.54337/aau772652211.

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Hydrogen is often considered as a promising alternative to fossil fuels, however its low boiling point and diffusivity cause a huge challenge for storage and transport. Therefore an alternative fuel like ammonia, containing 17 wt.% hydrogen with a higher boiling point, seems a very promising solution for hydrogen storage and transport. In this paper, ammonia synthesis via the most widely used Haber-Bosch process has been investigated. A computational fluid dynamics (CFD) model is developed for a lab-scale reactor, incorporating the modified Temkin kinetic model describing the complex catalytic
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