Comprehensive study of simultaneous adsorption of basic red 2 and basic violet 3 by an agro-industrial waste: dynamics, kinetics and modeling by Wakkel, Manel, Khiari, Besma, Zagrouba, Fethi

“…Besides, based on enthalpy values (16.30 and 30.26 kJ/mol for BR2 and BV3, respectively), the simultaneous adsorption of both dyes was endothermic while the entropy revealed a higher affinity of the investigated adsorbent to BV3. …”
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Olive stone as an eco-friendly bio-adsorbent for elimination of methylene blue dye from industrial wastewater by Saja M. Alardhi, Hussein G. Salih, Nisreen S. Ali, Ali H. Khalbas, Issam K. Salih, Noori M. Cata Saady, Sohrab Zendehboudi, Talib M. Albayati, Hamed N. Harharah

“…According to the thermodynamic analysis, dye adsorption by the OS is endothermic and spontaneous. As a result, the OS material offers an efficient adsorbent for MB removal from wastewater that is less expensive, more ecologically friendly, and economically viable.…”
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An Analysis of the Methane Cracking Process for <i>CO₂</i>-Free Hydrogen Production Using Thermodynamic Methodologies by Julles Mitoura dos Santos Junior, Jan Galvão Gomes, Antônio Carlos Daltro de Freitas, Reginaldo Guirardello

“…When conditioned to an adiabatic reactor, due to the lack of energy support provided by the isothermal reactor and taking into account that it is an endothermic process, high methane-conversion rates are obtained for temperatures above 1600 K at 1 bar. …”
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Experimental and Theoretical Study of Sorption Capacity of Hexagonal Boron Nitride Nanoparticles: Implication for Wastewater Purification from Antibiotics by Liubov Yu. Antipina, Kristina Yu. Kotyakova, Mariya V. Tregubenko, Dmitry V. Shtansky

“…As follows from DFT calculations, the interaction of antibiotic molecules (AM) with the BN surface is neither purely physical nor purely chemical, and negative binding energy (<i>BE</i>) indicates that the adsorption process is spontaneous and endothermic. The calculated electron density redistributions at the AM/BN interfaces show that antibiotics interact with BN mainly through oxygen-containing groups. …”
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Adsorption and safe immobilization of Sr ions in modified zeolite matrices by Mahya Fayezi, Zahra Shiri-Yekta, Hamid Sepehrian, Mehran Heydari, Mohammad Rahghoshay, Samaneh Zolghadri

“…Also, the thermodynamics of the adsorption process indicated that the adsorption of strontium on zeolite/H2L is an endothermic and spontaneous process, and the adsorption mechanism is a combination of physical and chemical adsorption. …”
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Thermo-Chemical Modification of Cellulose for the Adsorptive Removal of Titan Yellow from Wastewater by Ubaid Ur Rahman, Muhammad Humayun, Abbas Khan, Saima Farooq, Muhammad Sadiq, Mohamed Bououdina, Nasrullah Shah

“…This indicates that the TY elimination process is endothermic and spontaneous with an entropy-driven nature. …”
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Selective Removal of the Emerging Dye Basic Blue 3 via Molecularly Imprinting Technique by Maria Sadia, Izaz Ahmad, Faiz Ali, Muhammad Zahoor, Riaz Ullah, Farhat Ali Khan, Essam A. Ali, Amir Sohail

“…The negative values of ΔG° indicate that the removal of dye by the molecularly imprinting polymer and non-imprinting polymer is spontaneous, and the positive values of ΔH° and ΔS° indicate that the process is endothermic and occurred with the increase of randomness. …”
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Cambios físico-químicos del almidon durante la nixtamalización del maíz en variedades con diferente dureza de grano by Y Salinas Moreno, J.A Herrera Corredor, J Castillo Merino, P Pérez Herrera.

“…A reduction in maximum viscosity peak, temperature at the endothermic peak and swelling power at 90ºC, and an increase in solubility was observed in starches obtained from both hard and soft corn after alkaline-cooking. …”
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Application of Sulfur-2,4-dinitrophenylhydrazine as Modifier for Producing an Advantageous Concrete by Khayit Turaev, Dilnoza Shavkatova, Nodira Amanova, Mohanad Hatem Shadhar, Elyor Berdimurodov, Nessipkhan Bektenov, Ahmad Hosseini-Bandegharae

“…The sulfur-2,4-dinitrophenylhydrazine modification experienced a single-stage thermal mass loss, with the mass loss events being endothermic in nature. The IR findings verified the presence of amino functional groups (connected melamine ring) and the establishment of polymer sulfur chains. …”
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Efficient Removal of Polyvalent Metal Ions (Eu(III) and Th(IV)) from Aqueous Solutions by Polyurea-Crosslinked Alginate Aerogels by Efthalia Georgiou, Ioannis Pashalidis, Grigorios Raptopoulos, Patrina Paraskevopoulou

“…Generally, the sorption is an endothermic and entropy-driven process, and it follows the Langmuir isotherm model. …”
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Adsorption of Safranin O Dye by Alginate/Pomegranate Peels Beads: Kinetic, Isotherm and Thermodynamic Studies by Amina Abbaz, Sihem Arris, Gianluca Viscusi, Asma Ayat, Halima Aissaoui, Yasser Boumezough

“…Calculation of Gibbs free energy and enthalpy indicated that adsorption of SO onto Alg−PP is spontaneous (negative ΔG) and endothermic (ΔH = 9.30 kJ/mol). Analysis of diffusion and mass transport phenomena were presented. …”
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Macroalgae as an eco-friendly and successful green technology for the removal of crystal violet from synthetic and real wastewater by Shazia Bibi, Amina Bibi, Muhammed Nayeem Mullungal, Mohammed Abu-Dieyeh, Mohammad A. Al-Ghouti

“…Moreover, the thermodynamics studies indicated a spontaneous and endothermic reaction with HT and the reverse with AgHT. …”
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Effective Use of Sugarcane-Bagasse-Derived KOH-Activated Biochar for Remediating Norfloxacin-Contaminated Water by Yan Zhou, Yongtao Lan, Michael Douglas Short, Juanjuan Shi, Qiugui Zhang, Junhao Xu, Gujie Qian

“…The thermodynamic parameters showed that the adsorption of NOR onto 3K-SCB₇₅₀ was a spontaneous, endothermic, and physical process. In addition, Brunauer−Emmett−Teller analysis (BET), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy were conducted to investigate the structural and adsorption properties of 3K-SCB₇₅₀. …”
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Optimization and Kinetic Evaluation for Glycolytic Depolymerization of Post-Consumer PET Waste with Sodium Methoxide by Saqib Javed, Jonas Fisse, Dieter Vogt

“…A van ‘t Hoff plot confirmed the endothermic nature of the depolymerization reaction. …”
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Effect of Extrusion Treatment on Retrogradation and Rheological Properties of Rice Starch/Glutelin Composite System by WANG Lishuang, WANG Kexin, YUE Xiqing, YU Xiaoshuai, XIAO Zhigang, WANG Peng

“…Extrusion treatment significantly decreased the peak viscosity, disintegration value and retrogradation value of the composite system from (3 005.00 ± 25.00), (1 193.00 ± 6.00), and (164.33 ± 3.51) cP to (429.00 ± 5.00), (213.00 ± 3.00) and (27.05 ± 0.14) cP, respectively (P < 0.05), and reduced the relative crystallinity from (20.18 ± 0.13)% to (2.17 ± 0.43)%. Moreover, the endothermic peak of the mixture disappeared, and the ratio between the peak intensities at 1 047 and 1 022 cm−1 in the infrared spectra was decreased significantly to 0.43 ± 0.08 (P < 0.05). …”
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Study on the Adsorption Behavior of Polymeric Dispersants to S-ZnF Particles during Grinding Process by Guanghua Huang, Haohan Wu, Zhijun Liu, Hanlin Hu, Shifeng Guo

“…It is indicated that the adsorption thermodynamic behavior of dispersant PD02 adsorbed on the S-ZnF particles surface follows the Langmuir model, and the adsorption process is endothermic and a random process with increased confusion during the grinding process. …”
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Characterization and Ofloxacin Adsorption Studies of Chemically Modified Activated Carbon from Cassava Stem by Nurul Syuhada Sulaiman, Mohd Hazim Mohamad Amini, Mohammed Danish, Othman Sulaiman, Rokiah Hashim, Samet Demirel, Gaye Kose Demirel

“…Better ofloxacin adsorption of all activated carbon samples can be obtained with solutions at pH 8. An endothermic reaction was predicted, shown by higher ofloxacin adsorption at a higher temperature, supported by a positive value of ΔH° in the thermodynamic studies. …”
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Ordered Mesoporous nZVI/Zr-Ce-SBA-15 Catalysts Used for Nitrate Reduction: Synthesis, Optimization and Mechanism by Ruimin Zhang, Haixia Liu, Weili Jiang, Weijing Liu

“…The process of NO₃-N adsorption onto Zr-Ce-SBA-15 composites was followed by the Langmuir model (maximum adsorption capacity of 45.24 mg/g), pseudo-second-order kinetics, and was spontaneous, endothermic and entropy driven. The yield of N₂ can be improved after nZVI was supported on Zr-Ce-SBA-15, and the composites exhibited a strong renewability in the short term within three cycles. …”
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Synthesis of Nickel Cobaltite/Multiwalled Carbon Nanotubes Composites and Their Application for Removing Uranium (VI) by Xiaofei Zhang, Binshan Ni, Xiaoxuan Li, Xin Guan, Wandong Xia, Jiabin Hao, Lichao Tan

“…Thermodynamic analysis results show that the process is endothermic in nature. As the adsorption capacity does not increase significantly with the increase in <i>T</i>, the uranium adsorption by NiCo₂O₄/MWCNTs can be carried out at room temperature to reduce energy consumption. …”
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Efficient liquid phase confiscation of nile blue using a novel hybrid nanocomposite synthesized from guar gum-polyacrylamide and erbium oxide by Daud Hussain, Suhail Ayoub Khan, Tabrez Alam Khan, Salman S. Alharthi

“…Thermodynamic parameters such as ΔH ° (15–17 kJ/mol) and ΔS ° (0.079–0.087 kJ/mol/K), and − ΔG ° (8.81–10.55 kJ/mol) for NB validated the endothermic, an increased randomness at the GG-PAAm/Er2O3–NB interface, and spontaneity and feasibility of the process, respectively. …”
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