Recovering the Soybean Hulls after Peroxidase Extraction and Their Application as Adsorbent for Metal Ions and Dyes by Aleksandra Ivanovska, Biljana Dojčinović, Jelena Lađarević, Leposava Pavun, Dušan Mijin, Mirjana Kostić, Milica Svetozarević

“…Calculated thermodynamic parameters suggested that the adsorption of all pollutants is spontaneous and of endothermic character. Moreover, different binary mixtures were prepared, and the competitive adsorptions revealed that the soybean hulls are the most efficient adsorbent for the mixture of AB 225 and Cu2+. …”
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LTA and FAU-X Iron-Enriched Zeolites: Use for Phosphate Removal from Aqueous Medium by Diana Guaya, Hernán Cobos, Jhulissa Camacho, Carmen Milena López, César Valderrama, José Luis Cortina

“…The phosphate adsorption using LTA-Fe and FAU-X-Fe does not require pH adjustment, and it is endothermic. The reusability of both iron zeolites is limited, and they can be finally disposed for soil amendment applications.…”
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Absorption of Cu(II) and Zn(II) from Aqueous Solutions onto Biochars Derived from Apple Tree Branches by Shixiang Zhao, Na Ta, Xudong Wang

“…The values of ΔG⁰ for the absorption of Cu(II) and Zn(II) on all BCs were negative, while the values of ΔH⁰ were positive, suggesting that the absorption was a spontaneous endothermic process. The mechanisms of BC adsorption of metal ions adsorption include surface precipitation, ion exchange, and minor contribution by cation-π interaction. …”
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Synthesis and evaluation of a new CeO2@starch nanocomposite particles for efficient removal of toxic Cr(VI) ions by Oluwafikayo O. Jaiyeola, Hamza Annath, Chirangano Mangwandi

“…Interestingly, the adsorption capacity increased with higher temperatures, suggesting an endothermic adsorption process. To gain further insights into the nature of the adsorption, we performed thermodynamic analysis, revealing that the adsorption of hexavalent Cr onto the CeO2@starch nanocomposite was spontaneous and had a chemical nature.…”
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Zeolite NaP1 Functionalization for the Sorption of Metal Complexes with Biodegradable <i>N</i>-(1,2-dicarboxyethyl)-D,L-aspartic Acid by Dorota Kołodyńska, Yongming Ju, Małgorzata Franus, Wojciech Franus

“…The thermodynamic parameters indicate that adsorption is spontaneous and endothermic. The highest desorption percentage was achieved using the HCl solution, therefore, proving that method can be used to design slow-release fertilizers.…”
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Preparation and characterization of polyethyleneimine functionalized magnetic graphene oxide as high uptake and fast removal for Hg (II) by Deqi Wang, Huacai Ge

“…The adsorption removal was a fast and endothermic process governed by the chemical process. …”
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Performance and Mechanism of Functionalized Water Hyacinth Biochar for Adsorption and Removal of Benzotriazole and Lead in Water by Pengyang Bian, Qinqin Shao

“…The adsorption process of WL on BTA and Pb²⁺ is spontaneous and is endothermic monolayer chemisorption. In addition, the adsorption of WL on BTA and Pb²⁺ involves many mechanisms, but the main adsorption mechanisms are different. …”
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Adsorption of Ni2+ Ions onto NaX and NaY Zeolites: Equilibrium, Kinetics, Intra Crystalline Diffusion, and Thermodynamic Studies by Ferhat Djawad, Nibou Djamel, Mekatel Elhadj, Amokrane Samira

“…The process has proved it's spontaneous and endothermic. Diffusion mechanisms of Ni (II)ions adsorption onto NaX and NaY has shown that intraparticle diffusion is the limiting step of the process. …”
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Development of Self-Assembled Nanoribbon Bound Peptide-Polyaniline Composite Scaffolds and Their Interactions with Neural Cortical Cells by Andrew M. Smith, Harrison T. Pajovich, Ipsita A. Banerjee

“…Thermal phase changes studied indicated broad endothermic peaks upon incorporation of the proteins which were diminished upon binding with PANI. …”
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Solubility of mesalazine in pseudo-binary mixtures of choline chloride/ethylene glycol deep eutectic solvent and water at 293.15 K to 313.15 K by Elina Armani, Parisa Jafari, Salar Hemmati, Elaheh Rahimpour, Mohammad Barzegar-Jalali, Abolghasem Jouyban

“…This analysis presented an endothermic and entropy-driven process of 5-ASA dissolution in ChCl/EG DES + water. …”
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Evolution of pore structure and changes in oxidation characteristics of coal after heating freezing treatment by Cong Ding, Zongxiang Li, Cheng Wang, Bing Lu

“…Oxidized coal shows stronger oxidation and heat release ability in the stageⅡ under the action of LN2, resulting in higher apparent activation energy in this endothermic stage. The addition of LN2 blocked the oxidation reaction of preheated coal and sealed the structure of -C = O, –COOH and –OH. …”
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Amorphous Elastomeric Ultra-High Molar Mass Polypropylene in High Yield by Half-Titanocene Catalysts by Simona Losio, Fabio Bertini, Adriano Vignali, Taiga Fujioka, Kotohiro Nomura, Incoronata Tritto

“…Differential scanning calorimetry (DSC) established that the polymers are fully amorphous aPP, and no melting endotherm events are detected. Glass transition temperatures were detected between −2 and 2 °C. …”
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Biochar from Rice Husk as Efficient Biosorbent for Procion Red Removal from Aqueous Systems by Neza R. Palapa, Tarmizi Taher, Novie Juleanti, Normah Normah, Aldes Lesbani

“…Thermodynamic analysis showed positive enthalpy and entropy, indicating that Procion Red adsorption is endothermic; thus, the Gibbs energy values decreased with increase in temperature, indicating that high temperatures are favourable for the adsorption process. …”
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Superparamagnetic Multifunctionalized Chitosan Nanohybrids for Efficient Copper Adsorption: Comparative Performance, Stability, and Mechanism Insights by Ahmed A. Al-Ghamdi, Ahmed A. Galhoum, Ahmed Alshahrie, Yusuf A. Al-Turki, Amal M. Al-Amri, S. Wageh

“…The adsorption was endothermic with fast kinetics (except TA-type was exothermic). …”
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Functionalization of ZnO Particles with Tetraethyl Orthosilicate (TEOS) and Application as Heavy Metal Adsorbent Cu2+ by Irnanda Istifhamy, Nazriati Nazriati, Farida Nani, Aliyatulmuna Adilah

“…The ΔH value of P-ZnO was 12.34 kJ/mol and S-ZnO was 7.21 kJ/mol which indicated that the reaction occurred endothermically.…”
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Fashionable epoxy/clay nanocomposites using modified clay-loaded methyl blue dye by Nazeeha S. Alkayal, Sobhy E. Elsilk, Abeer S. Elsherbiny, Nehal A. Salahuddin

“…The adsorption of MB on claytone was endothermic and exothermic for the adsorption on clayD2000. …”
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Activated Sawdust-Based Adsorbent for the Removal of Basic Blue 3 and Methylene Green from Aqueous Media by Najeeb Ur Rahman, Wasim Bahadar, Sultan Alam, Muhammad Zahoor, Ivar Zekker, Farhat Ali Khan, Riaz Ullah, Essam A. Ali, H. C. Ananda Murthy

“…Different thermodynamic parameters, such as enthalpy (∆H=18.5 and 8.334 kJ/mol respectively for basic blue 3 and methylene green), entropy (∆S°=62.41 and 29.22 kJ/molK respectively for basic blue 3 and methylene green), and Gibbs free energy (∆G°=−83.6, -410, and -1658 kJ/mol (basic blue)/-65, -519, and -1139 kJ/mol (methylene green), were estimated, and the process was found to be endothermic, spontaneous, and feasible. The increase in ΔG° with increase in temperature indicates that the adsorption process is favorable at high temperature. …”
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Biodiesel Production through Acid Catalyst In Situ Reactive Extraction of <i>Chlorella vulgaris</i> Foamate by Shurooq T. Al-Humairi, Jonathan G. M. Lee, Musa Salihu, Adam P. Harvey

“…The activation entropy (ΔS), change in Gibbs free energy (ΔG) and variation in activation enthalpy (ΔH) revealed that the transesterification reaction is endergonic and unspontaneous, while the endothermic nature of the reaction was confirmed by the positive value (16.6 kJ/mol) of the ΔH. …”
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Providing New Insights on the Molecular Properties and Thermal Stability of Ovotransferrin and Lactoferrin by Qi Zeng, Yaping Liu, Jing Sun, Yongguo Jin

“…The results showed that although obviously different isoelectric point (5.31, 9.12 and 8.75 for OVT, BLF and HLF, respectively), particle size distribution and hydrophobicity were found, they exhibited good dispersity because of high potential value. They showed an endothermic peak at 80.64 °C, 65.71 °C and 90.01 °C, respectively, and the denaturation temperature varied at different pH and ionic strength. …”
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Mechanism-Enhanced Active Attapulgite-Supported Nanoscale Zero-Valent Iron for Efficient Removal of Pb²⁺ from Aqueous Solution by Liang Dai, Kai Meng, Weifan Zhao, Tao Han, Zhenle Lei, Gui Ma, Xia Tian, Jun Ren

“…The adsorption of nZVI@ATP to Pb²⁺ was mainly a spontaneous endothermic reaction of heterogeneous surfaces, and the adsorption rate of nZVI@ATP to Pb²⁺ was proportional to pH in the range of 2–5.5. …”
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