Impregnated chitin biopolymer with magnetic nanoparticles to immobilize dye from aqueous media as a simple, rapid and efficient composite photocatalyst by Somaya A. Elsayed, Ibrahim E. T. El-Sayed, Maha A. Tony

“…Further, thermodynamic variables predicted that the reaction is endothermic and non-spontaneous in nature. Hence, the catalyst could be environmental benign and the evaluation introduces the role of engineers and chemists in a world for a sustainable material use.…”
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Equilibrium and Kinetic Study of Anionic and Cationic Pollutants Remediation by Limestone–Chitosan–Alginate Nanocomposite from Aqueous Solution by Inas A. Ahmed, Ahmed H. Ragab, Mohamed A. Habila, Taghrid S. Alomar, Enas H. Aljuhani

“…The enthalpy change (ΔH⁰) was 37.7 KJ mol⁻¹ for CR and 8.71 KJ mol⁻¹ for BG, while the entropy change (ΔS⁰) was 89.1 J K⁻¹ mol⁻¹ for CR and 79.1 J K⁻¹ mol⁻¹ BG, indicating that the adsorption process was endothermic and spontaneous in nature.…”
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Application of montmorillonite/octadecylamine nanoparticles in the removal of textile dye from aqueous solutions: Modeling, kinetic, and equilibrium studies by Fatemeh Keshavarzi, Mohammad Reza Samaei, Hassan Hashemi, Abooalfazl Azhdarpoor, Amin Mohammadpour

“…A thermodynamic study unveiled that the adsorption process was spontaneous and endothermic. In conclusion, the study highlights the significant capability ofmontmorillonite nanoclay modified with octadecylamine in removing AB1 dye, rendering it a viable option for wastewater treatment.…”
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Fabrication and characterization of PVA/WPI nanofibers containing probiotics using electrospinning technique by Zahra Panahi, Mohammad Mohsenzadeh, Maryam Hashemi

“…DSC analysis showed that adding WPI decreased thermal stability, and the enthalpy of endothermic peaks decreased in nanofibers containing B. bifidum. …”
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A new tannin-based adsorbent synthesized for rapid and selective recovery of palladium and gold: Optimization using central composite design by Farideh Zandi-Darehgharibi, Hedayat Haddadi, Arash Asfaram

“…The thermodynamic investigation showed that Pd2+ and Au3+ ions adsorption via PT-ED was an endothermic, spontaneous, and feasible process. The maximum adsorption capacity of Pd2+ and Au3+ ions on PT-ED was 261.189 mgg−1 and 220.277 mgg−1, respectively. …”
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Synthesise and Characterization of Cordierite and Wollastonite Glass—Ceramics Derived from Industrial Wastes and Natural Raw Materials by Gamal A. Khater, Amany A. El-Kheshen, Mohammad M. Farag

“…It also showed that the increase in time at the endothermic temperature significantly affected the crystalline texture by giving a fine-grained crystalline texture. …”
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Advances in Sorptive Removal of Hexavalent Chromium (Cr(VI)) in Aqueous Solutions Using Polymeric Materials by Xiaoqing Yuan, Jingxia Li, Lin Luo, Zhenyu Zhong, Xiande Xie

“…The adsorption of Cr(VI) was an endothermic reaction, and higher reaction temperature favored more robust adsorption. …”
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New design of an electrocoagulation reactor to remove pollutants from groundwater: Analysis and optimization using response surface methodology by Forat Yasir AlJaberi

“…The thermodynamic study proves that the present electrocoagulation process was endothermic, spontaneous in nature, and randomness of the solution interface. …”
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The impact of lead on structural, electronic, and vibrational properties of pristine C36 and its boron, nitrogen-dopant C36 on pentagonal and hexagonal rings by Shaida Anwer Kakil, Hewa Y. Abdullah, Tahseen G. Abdullah

“…The adsorption energy for the Pb on pristine C36 is endothermic; however, it is exothermic for the Pb on NB-doped C36 but has different values on the pentagonal and hexagonal rings. …”
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Variations in Microstructural and Physicochemical Properties of Candelilla Wax/Rice Bran Oil–Derived Oleogels Using Sunflower Lecithin and Soya Lecithin by Deblu Sahu, Deepti Bharti, Doman Kim, Preetam Sarkar, Kunal Pal

“…Additionally, the slow crystallization kinetics of Sf5 and Sy1 correlated with better crystal packing and fewer crystal defects. The DSC endotherm displayed two peaks for melting corresponding to the melting of different molecular components of CW. …”
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Preparation, Characterization and Utilization of Amidoximated Poly(AN/MAA)-grafted Alhagi Residues for the Removal of Zn(II) Ions from Aqueous Solution by A.A. Khalil, H.H. Sokker, A. Al-Anwar, A. Abd El-Zaher, A. Hashem

“…The results showed that the adsorption of Zn(II) ions onto amidoximated poly(MAA/AN)-grafted Alhagi residues was endothermic and spontaneous. The adsorption data followed second-order kinetics.…”
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Removal of 4-nitrophenol and indigo carmine dye from wastewaters by magnetic copper ferrite nanoparticles: Kinetic, thermodynamic and mechanistic insights by Mahmoud A. Ahmed, Mohamed A. Ahmed, Ashraf A. Mohamed

“…Thermodynamic data revealed both the endothermic nature of dye removal and the random arrangement of dye molecules onto CFN adsorbent. …”
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Heterogeneous Fenton Oxidation with Natural Clay for Textile Levafix Dark Blue Dye Removal from Aqueous Effluent by Manasik M. Nour, Maha A. Tony, Hossam A. Nabwey

“…Additionally, the negative ∆H′ values suggest the occurrence of the endothermic oxidation reaction. Furthermore, the reaction followed the second-order kinetic model. …”
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Enhanced Adsorption of Sulfonamides by Attapulgite-Doped Biochar Prepared with Calcination by Jianqiao Hu, Feng Liu, Yongping Shan, Zhenzhen Huang, Jingqing Gao, Wentao Jiao

“…Thermodynamic calculations showed that the adsorption behavior of sulfonamides on the ATP/BC was an endothermic (Δ<i>H</i> > 0), random (Δ<i>S</i> > 0), spontaneous reaction (Δ<i>G</i> < 0) that was dominated by chemisorption (−20 kJ∙mol⁻¹ > Δ<i>G</i>). …”
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Adsorption-Based Removal of Sb (III) from Wastewater by Graphene Oxide-Modified Zirconium-Based Metal-Organic Framework Composites by Yilu Deng, Qiming Mao, Shuang Luo, Xiande Xie, Lin Luo

“…Moreover, the adsorption process was highly consistent with the pseudo-second-order model, which was indicative of spontaneous and endothermic chemical adsorption. Additionally, the Sb (III) removal efficiency could be maintained approximately 70% after sorption-desorption recycling four times. …”
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Investigation the performance of modified watermelon skin to adsorb humic acid from aqueous solutions by Mohammad Pirbavehpour, Bahareh Lorestani, Maryam Kiany Sadr, Mehrdad Cheraghi, Atefeh Chamani

“…Humic acid concentration was determined using spectrophotometer in 254 nm wavelength. findings: Results of the research showed that the highest amount of removal occurs in acidic environment, By increasing time and adsorbent dose and decreasing the initial concentration, the removal efficiency of humic acid increased for example:in time(45 minutes) and PH=4 and amount of adsorbent(0.1 g.L-1) with concentration removal is (50 mg.L-1) and the maximum removal of humic acid reached (90.98%) and the humic acid adsorption thermodynamically is an endothermic process. Conclusion: Activated carbon produced from watermelon skin as a new adsorbent from agricultural wastes is very effective in removing humic organic substances due to its abundance, low price and high efficiency.…”
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Ni(II) and Pb(II) Removal Using Bacterial Cellulose Membranes by Francisco de Borja Ojembarrena, Sergio García, Noemi Merayo, Angeles Blanco, Carlos Negro

“…Thermodynamically, Ni(II) adsorption was exothermic, and Pb(II) was endothermic. The obtained values of sorption heat, activation and Gibbs’ energy depicted a physisorption process. …”
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Selective Reduction of Southeast Sulawesi Nickel Laterite using Palm Kernel Shell Charcoal: Kinetic Studies with Addition of Na2SO4 and NaCl as Additives by Achmad Shofi, Yayat Iman Supriyatna, Agus Budi Prasetyo

“…The Differential Thermal Analyzer-Temperature Gravimetric Analysis (DTA-TGA) results show the endothermic at 256 °C, and the exothermic peak at 935 °C with a total mass loss of 42.15% at 1238 °C. …”
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Use of Different Types of Biosorbents to Remove Cr (VI) from Aqueous Solution by Eva Pertile, Tomáš Dvorský, Vojtěch Václavík, Silvie Heviánková

“…The thermodynamic parameters suggest that the biosorption was endothermic and spontaneous. In the biosorption equilibrium study, the adsorption data were described by using Langmuir and Freundlich adsorption isotherms. …”
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Preparation and Use of Iron on Carbon Foam for Removal of Organic Dye from Water: Batch Studies by Siphesihle Praise-God Khumalo, David Lokhat, Ajay Sewpersad

“…The magnetite sample exhibited endothermic adsorption, and all other samples exhibited exothermic adsorption. …”
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