Showing 941 - 960 results of 2,155 for search '"endotherms"', query time: 0.09s Refine Results
  1. 941

    Synthetization and characterization of SnCaAl2O3 nanocomposite and using as a superior adsorbent for Pb, Zn, and Cd ions in polluted water. by Ali Sayqal, Moustafa Gamal Snousy, Mahmoud F Mubarak, Ahmed H Ragab, Atef Mohamed Gad Mohamed, Abeer El Shahawy

    Published 2022-01-01
    “…Moreover, the adsorption thermodynamic behavior of Zn+2, Cd+2, and Pb+2 on the synthesized composite was examined, and the process is endothermic and spontaneous under experimental conditions. …”
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  2. 942

    Solar Thermal Energy Storage using Liquid Ammonia Systems in Industry by S. Siddiq, S. Khushnood, Z. U. Koreshi, M. T. Shah

    Published 2010-12-01
    “…A storage option being investigated for large solar-thermal systems is liquid ammonia which by its endothermic dissociation converts to nitrogen and hydrogen gases, and can be synthesized exothermically to recover heat when required. …”
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  3. 943

    Fluoride Removal from Water Sources by Adsorption on MOFs by Athanasia K. Tolkou, Anastasios I. Zouboulis

    Published 2023-08-01
    “…Four to six regeneration cycles were successfully applied on average, regarding the MOFs under review, whereas in the majority of these cases, the sorption process was found to be endothermic.…”
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  4. 944

    Decontamination of actual radioactive wastewater containing 137Cs using bentonite as a natural adsorbent: equilibrium, kinetics, and thermodynamic studies by Wasan A. Muslim, Talib M. Albayati, Salam K. Al-Nasri

    Published 2022-08-01
    “…The positive value of ΔH° in the thermodynamic results indicated that the adsorption process was endothermic physisorption (ΔH° = 15.01 kJ mol−1), spontaneous and favorable (ΔG° = −7.66 kJ mol−1 K−1), with a very low degree of disorder (ΔS° = 0.076 kJ mol−1 K−1).…”
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  5. 945

    Advanced Mathematical Model to Describe the Production of Biodiesel Process by Hikmat S. Al-Salim, Ahmmed S. Ibrehem

    Published 2009-12-01
    “…The model can be applied for endothermic batch process. © 2009 BCREC UNDIP. All rights reserved</p><p><em>[Received: 12 August 2009, Revised: 15 October 2009; Accepted: 18 October 2009]</em></p><p><strong>[How to Cite</strong>: A.S. …”
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  6. 946

    Influence of reactor temperature conditions on the recycle flow rate by S. L. Nazanskiy, A. V. Solokhin

    Published 2019-11-01
    “…It was established that the dependence of the recycle flow rate on the reactor temperature for endothermic reactions has monotonously decreasing shape. …”
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  7. 947
  8. 948

    Layered Double Hydroxides Derived from MIL-88A(Fe) as an Efficient Adsorbent for Enhanced Removal of Lead (II) from Water by Jiang-Bo Huo, Guoce Yu

    Published 2022-11-01
    “…The thermodynamic parameters suggested that the adsorption was an endothermic, entropy-increasing, and spontaneous reaction. …”
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    Article
  9. 949

    Adsorptive Removal of Toxic Chromium from Waste-Water Using Wheat Straw and Eupatorium adenophorum. by Dagang Song, Kaiwen Pan, Akash Tariq, Azizullah Azizullah, Feng Sun, Zilong Li, Qinli Xiong

    Published 2016-01-01
    “…Increase in adsorption capacity was observed with increasing temperature revealing endothermic nature of Cr (VI). The maximum Cr (VI) adsorption potential of E. adenophorum and wheat straw was 89.22 mg per 1 gram adsorbent at 308K. …”
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  10. 950

    Competitive Removal of Cu2+, Cd2+and Ni2+by Iron Oxide Nanoparticle (Fe3O4) by Shahlaa E. Ebrahim, Ass. Prof. Dr., Hasanain Saad Alhares

    Published 2015-04-01
    “…The results of adsorption show that the adsorption nature for heavy metals is an endothermic and physical nature process.…”
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  11. 951

    Enhanced Adsorption of Textile Dyes by a Novel Sulfonated Activated Carbon Derived from Pomegranate Peel Waste: Isotherm, Kinetic and Thermodynamic Study by Badr M. Thamer, Faiz A. Al-aizari, Hany S. Abdo

    Published 2023-11-01
    “…The thermodynamic study confirmed that the adsorption of CV dye was endothermic, spontaneous and thermodynamically favorable onto PPAC and S-PPAC.…”
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  12. 952

    Kinetic, Equilibrium and thermodynamic studies on the biosorption of Cd(II) from aqueous solutions by the leaf biomass of <i>Calotropis procera</i> – ‘Sodom apple’ by Babalola J Oyebamiji, LC Overah, Adesola Babarinde, Vincent O Oninla, A Olatunde

    Published 2013-05-01
    “…The calculated thermodynamic parameters (ΔG° -4.846 kJmol-1, ΔH° 10.60 kJmol-1 and ΔS° 0.052 kJK-1mol1) showed that the biosorption of Cd (II) is feasible, spontaneous, endothermic and highly disordered in nature under the experimental conditions. …”
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  13. 953

    دراسة بعض الخصائص الميكانيكية والحرارية للفرايت – باستخدام الوسا by محمد حلبي, بدر الأعرج

    Published 2013-02-01
    “…In addition, the drift mobility for tetrahedral and octahedral sites, as well as magnetic dipole moment changes for -  bond were determined. The area beneath endothermic peaks was correlated to the weight change TG%. …”
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  14. 954

    Isotherms and Thermodynamic Parameters of Metoprolol Drug Adsorption on the Prepared Mesoporous Silica by Manar A. Sachit, Sameer H. Kareem

    Published 2024-03-01
    “…The sign of ∆G° and ∆H° were suggested spontaneous and endothermic of the process …”
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  15. 955

    Biodegradable Block Poly(ester amine)s with Pendant Hydroxyl Groups for Biomedical Applications by Natalia Śmigiel-Gac, Anna Smola-Dmochowska, Henryk Janeczek, Piotr Dobrzyński

    Published 2023-03-01
    “…The terpolymers containing amino groups, capable of forming strong intra- and intermolecular bonds, show a high degree of crystallinity. The endotherm responsible for the melting of L-lactidyl semicrystalline regions appeared in the range from about 90 °C to close to 170 °C, with a heat of fusion from about 15 J/mol to over 60 J/mol.…”
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  16. 956

    Removal of Toxic Cations from Aqueous Solutions using Ginger Root Waste by Jude Chinedu Onwuka, Stephen Azubuike Igberi, Timothy M. Akpomie

    Published 2022-06-01
    “…Meanwhile, thermodynamic parameters indicated that the Cd2+ and Pb2+ sorption process was endothermic, however, non-spontaneous at temperature of 303 and 313 K. …”
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  17. 957

    Biosynthesis approach of zinc oxide nanoparticles for aqueous phosphorous removal: physicochemical properties and antibacterial activities by Mona Khamis, Gamal A. Gouda, Adham M. Nagiub

    Published 2023-08-01
    “…The adsorption process was verified to be endothermic and spontaneous by thermodynamic characteristics. …”
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  18. 958

    The Role of Cellulosic and Noncellulosic Functional Groups in the Biosorption of Lead Ions by Waste Flax Fibers by Biljana Pejić, Marija Vukčević, Biljana Lazić, Svjetlana Janjić, Mirjana Kostić

    Published 2023-04-01
    “…Obtained negative values of ∆GӨ (−4.874 to −0.807 kJ mol−1) and ∆HӨ (−42.81 to −13.65 kJ mol−1) indicated that the adsorption of lead ions onto flax fibers is a spontaneous and endothermic process, which occurs through electrostatic attraction and ion-exchange. …”
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  19. 959

    Color, Starch Digestibility, and In Vitro Fermentation of Roasted Highland Barley Flour with Different Fractions by Zixuan Zhao, Jian Ming, Guohua Zhao, Lin Lei

    Published 2022-01-01
    “…Gelatinization enthalpy decreased with increasing particle sizes of raw HB flour, while no endothermic transitions were observed in sand-roasted flour. …”
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  20. 960

    Adsorption Study and Removal of Basic Fuchsin Dye from Medical Laboratory Wastewater Using Local Natural Clay by Fuad Hama Sharif Radha, Dler M. S. Shwan, Stephan Kaufhold

    Published 2023-01-01
    “…Furthermore, the values of ΔH° indicated an endothermic reaction. Wastewater contaminated by BF dye from the bacterial laboratory was collected (BF concentration: 160 mg·L-1) and treated by TKC. …”
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