Showing 1,881 - 1,900 results of 2,155 for search '"endotherms"', query time: 0.09s Refine Results
  1. 1881

    Bio-Polyurethane Resins Derived from Liquid Fractions of Lignin for the Modification of Ramie Fibers by Manggar Arum Aristri, Muhammad Adly Rahandi Lubis, Raden Permana Budi Laksana, Faizatul Falah, Widya Fatriasari, Maya Ismayati, Asri Peni Wulandari, Nurindah

    Published 2021-05-01
    “…Thermal properties of Bio-PU resins derived from L-EtAc exhibited greater endothermic reaction compared to Bio-PU-L-MeOH. As a result, the free -N=C=O groups in Bio-PU resins have reacted with -OH groups on the surface of ramie fibers and improved its thermal properties. …”
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  2. 1882

    Bioinspired Synthesis of Silver Nanoparticles for the Remediation of Toxic Pollutants and Enhanced Antibacterial Activity by Sujata Mandal, Sangchul Hwang, Sreekar B. Marpu, Mohammad A. Omary, Victor Prybutok, Sheldon Q. Shi

    Published 2023-06-01
    “…The thermodynamic parameters indicated that the adsorption process was spontaneous and endothermic in nature. The bacterial inactivation tests demonstrated that KAC-CS-AgNPs had a strong bactericidal effect on both <i>E. coli</i> and <i>S. aureus</i>, with MIC calculated for <i>E. coli</i> and <i>S. aureus</i> as 32 µg mL<sup>−1</sup> and 44 µg mL<sup>−1</sup>, respectively. …”
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  3. 1883

    Poly O-toluidine-coated acetic acid modified eggshell-chitosan with ZnFe2O4 nanoparticles as a new and promising sorbent nanocomposite for rapid removal of toxic dyes such as Brill... by Dina F. Katowah

    Published 2024-05-01
    “…Thermodynamic parameters of dye adsorption by the NCs affirmed the fact that adsorption occurs spontaneous and have endothermic nature. This study underscores an effective synthesis approach applicable for large-scale production of new adsorbents for water treatment purposes.…”
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  4. 1884

    Synthesis of Xanthan Gum Anchored α-Fe<sub>2</sub>O<sub>3</sub> Bionanocomposite Material for Remediation of Pb (II) Contaminated Aquatic System by Fahad A. Alharthi, Riyadh H. Alshammari, Imran Hasan

    Published 2023-02-01
    “…The thermodynamic aspect of the reaction suggested that the reaction is endothermic and spontaneous. The outcomes proved that XGFO can be utilized as an efficient adsorbent material for the treatment of contaminated wastewater.…”
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  5. 1885

    Core-shell Fe<sub>3</sub>O<sub>4</sub>@zeolite NaA as an Adsorbent for Cu<sup>2+</sup> by Jun Cao, Peng Wang, Jie Shen, Qi Sun

    Published 2020-11-01
    “…Thermodynamic analysis shows that the adsorption process of Fe<sub>3</sub>O<sub>4</sub>@zeolite NaA to Cu<sup>2+</sup> is endothermic, with increasing entropy and spontaneous in nature. …”
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  6. 1886
  7. 1887

    Removal of aqueous uranyl ions using titania-supported mesoporous silica composite with the synergistic effect of coupled adsorption and photocatalytic reduction of U(VI) by Nguyen Van Chinh, Nguyen Dinh Tuyen, Dang Duc Nhan, Nguyen Lanh

    Published 2023-12-01
    “…The adsorption is an endothermic and spontaneous process. Adsorbed TNT-SBA-15 can be easily regenerated in 0.3 M HNO3 solution, and the qmax of the adsorbent was maintained at 95% the initial qmax after three consecutive adsorption–desorption cycles. …”
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  8. 1888

    Characterization of amphoteric bentonite-loaded magnetic biochar and its adsorption properties for Cu2+ and tetracycline by Hongyan Deng, Haixia He, Wenbin Li, Touqeer Abbas, Zhifeng Liu

    Published 2022-03-01
    “…Cu2+ and TC adsorptions were spontaneous, endothermic, and entropy-increasing processes. The pH and SBET of the material had a great influence on Cu2+ and TC adsorptions, respectively, than CEC.…”
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  9. 1889

    Physicochemical and Rheological Properties of Succinoglycan Overproduced by <i>Sinorhizobium meliloti</i> 1021 Mutant by Jaeyul Kim, Jae-pil Jeong, Yohan Kim, Seunho Jung

    Published 2024-01-01
    “…Based on DSC and TGA, SMC1-SG exhibited a higher endothermic peak (90.9 °C) than that of SG (77.2 °C). …”
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  10. 1890

    Sustainable fuel production from steam reforming of waste motor oil over olivine-supported Fe catalyst by Umponruch Phusuwan, Duangduen Atong, Jurarat Nisamaneenate, Viboon Sricharoenchaikul

    Published 2021-11-01
    “…As for temperature, carbon and hydrogen conversions increased with temperature from mainly endothermic reactions which cause more hydrocarbon cracking. …”
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  11. 1891

    Removal of Pb(II) from Aqueous Solutions Using Magnetic Mesoporous Silica Nanocomposites: Modeling and Optimization Based on Response Surface Methodology by Shokufe Emrani, Mahmoud Ebrahimi, Rahele Zhiani, Alireza Motavalizadehkakhky

    Published 2023-02-01
    “…Moreover, the thermodynamic parameters known as enthalpy (ΔH° = +5.84 kJ mol-1), negative Gibbs free energy (∆G°) values, and entropy (ΔS° = +23.42 kJ mol-1 K-1) indicated that the adsorption was endothermic and spontaneous with the increased disorder at the solid–liquid interphase.…”
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  12. 1892

    Thermal and Infrared Studies of Garnierite from the Soroako Nickeliferous Laterite Deposit, Sulawesi, Indonesia by Sufriadin Sufriadin, Arifudin Idrus, S. Pramumijoyo, I. W. Warmada, I. Nur, A. Imai, A. M. Imran, Kaharuddin Kaharuddin

    Published 2014-06-01
    “…Thermal analyses of garnierite samples indicated by DTA curves are in good agreement with patterns that have been reported in literature. Three endothermic peaks normally occur in the ranges between 58º C and &lt;800º C illustrating three steps of weight losses: adsorbed, bound, and hydroxyl/crystal water. …”
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  13. 1893

    Preparation of novel and recyclable chitosan-alumina nanocomposite as superabsorbent to remove diazinon and tetracycline contaminants from aqueous solution by Amir Adibzadeh, Mohammad Reza Khodabakhshi, Ali Maleki

    Published 2024-01-01
    “…In addition, thermodynamic studies indicated that the adsorption of diazinon and tetracycline is a spontaneous endothermic process. The adsorbent prepared in this work was expected to have wide range of applications in wastewater treatment thanks to its good reusability in water and strong removal of diazinon and tetracycline compared to other adsorbents.…”
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  14. 1894

    Photocatalytic Degradation Studies of Organic Dyes over Novel Cu/Ni Loaded Reduced Graphene Oxide Hybrid Nanocomposite: Adsorption, Kinetics and Thermodynamic Studies by Amina Kanwal, Tayyaba Shahzadi, Tauheeda Riaz, Maria Zaib, Safia Khan, Mohamed A. Habila, Mika Sillanpaa

    Published 2023-09-01
    “…Thermodynamic values indicated that both dyes depicted endothermic and spontaneous degradation processes. Isotherm data fitted best to a Freundlich isotherm, while results of kinetic studies of both dyes followed the pseudo 2nd order kinetic equation. …”
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  15. 1895

    Safety and efficacy of outpatient endovenous laser ablation in patients 75 years and older: a propensity score-matched analysis by Hak Hong Keo, Luca Spinedi, Daniel Staub, Nicolas Diehm, Daniel Holtz, Pavel Broz, Heiko Uthoff

    Published 2019-06-01
    “…The primary safety endpoint was endothermal heat-induced thrombosis (EHIT) and deep vein thrombosis (DVT) at 4-week follow up as diagnosed by duplex ultrasound. …”
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  16. 1896

    Syntheses and Solid-State Characterizations of <i>N</i>-Alkylated Glycine Derivatives by Darko Vušak, Mia Jurković, Neven Smrečki, Biserka Prugovečki

    Published 2023-09-01
    “…All chloride salts decompose in endothermic, while nitrate salts decompose in exothermic thermal events.…”
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  17. 1897

    Organic–Inorganic Modification of Magnesium Borate Rod by Layered Double Hydroxide and 3-Aminopropyltriethoxysilane and Its Effect on the Properties of Epoxy Resin by Sai Zou, Li Dang, Ping Li, Jiachen Zhu, Shengjie Lan, Donghai Zhu

    Published 2022-09-01
    “…Furthermore, mechanistic studies suggested that the barrier effect of MBR, endothermic decomposition of LDHP, and the synergistic effect of LDHP and APES contributed essentially to the smoke suppression and flame-retardant properties of the material. …”
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  18. 1898

    Preparation, characterization, and application of modified magnetic biochar for the removal of benzotriazole: process optimization, isotherm and kinetic studies, and adsorbent rege... by Maryam Hasanzadeh, Yaser Soltaninejad, Shirin Esmaeili, Ali Akbar Babaei

    Published 2022-05-01
    “…The values of thermodynamic parameters demonstrated that the adsorption of BTA on ZnCl2-MBC is endothermic and spontaneous. Under optimum usage of MMBC, the adsorptive removal efficiency of BTA non-significantly decreased from 99.2 to 93.9% after the 5th cycle. …”
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  19. 1899

    Adsorption Phenomenon of VOCs Released from the Fiber-Reinforced Plastic Production onto Carbonaceous Surface by Joon Hyuk Lee, Eunkyung Jeon, Jung-kun Song, Yujin Son, Jaeho Choi, Seongjun Khim, Minju Kim, Ki-Ho Nam

    Published 2023-03-01
    “…Furthermore, the adsorption process was endothermic and disordered, as indicated by the positive values of ΔH_ads and ΔS_ads. …”
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  20. 1900

    Solubility and Thermodynamic Data of Febuxostat in Various Mono Solvents at Different Temperatures by Nazrul Haq, Adel F. Alghaith, Sultan Alshehri, Faiyaz Shakeel

    Published 2022-06-01
    “…The apparent thermodynamic analysis revealed that FBX dissolution was “endothermic and entropy-driven” in all mono solvents investigated. …”
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