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2001
Rapid Removal of Toxic Remazol Brilliant Blue-R Dye from Aqueous Solutions Using <i>Juglans nigra</i> Shell Biomass Activated Carbon as Potential Adsorbent: Optimization, Isotherm,...
Published 2022-10-01“…From a thermodynamic standpoint, the process is endothermic, spontaneous, and the chemisorption process is favored at high temperatures. …”
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2002
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2003
Mechanisms of biomass feedstocks conversions and carbon dioxide reduction
Published 2016“…Catalyzed by ammonium polymer (C6H6-CH2-NH2/C6H6-CH2-NH3+), the overall reaction of glucose isomerization is endothermic while the ring-opening step is the rate-limiting step. …”
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Thesis -
2004
Development of nanoparticle thermosensor for microthermography in small living animals
Published 2016“…Insects produce heat through various muscular activities in order to maintain their body temperature balance with the surrounding environment through a process known as thermogenesis. In most endothermic flying insects, heat is majorly produced internally at their flight muscles. …”
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Thesis -
2005
Adsorption of lead (II) from aqueous solution using nano-papaya peel
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Thesis -
2006
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2007
Electrochemical reduction of oxygen
Published 2014“…Through a variable temperature study in electrolytic acetonitrile solution, the oxygen dissolution is quantitatively shown to be an endothermic process. Moreover, the diffusion coeficients and concentration of oxygen upon change of acetonitrile mole fraction is also explored in water-acetonitrile mixtures. …”
Thesis -
2008
Anomalous solubility of oxygen in acetonitrile/water mixture containing tetra-n-butylammonium perchlorate supporting electrolyte; The solubility and diffusion coefficient of oxygen...
Published 2013“…Further, the concentration of dissolved oxygen, c(O2), is obtained as (1.26 ± 0.05) mM, and the oxygen dissolution is quantitatively shown to be an endothermic process. The standard Gibbs energy of solvation (ΔGSolve) and the standard entropy change of solvation (ΔGSolve) are experimentally calculated to be +19.9 (error: +0.12/-0.11) kJ mol-1 and -65.5 (error: +15.25/-12.62) J mol-1 K-1 respectively at 298.5 K. …”
Journal article -
2009
Sub-critical water extraction of fucoidan from brown algae Padina sp.
Published 2021“…Thermodynamic analysis by transition-state theory showed the subcritical water reaction process as endothermic, while the Gibbs free energy of activation showed the reaction as non-spontaneous, requiring constant external energy to support it. …”
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Thesis -
2010
Kinetics and thermodynamic for sorption of arsenate by lanthanum-exchanged zeolite
Published 2007“…The amo unts of sorption of As(V) by La exchanged zeolite increased as temperature increased from 25 to 70°C indicating that the process is endothermic. The free energy changes (DG°) for the sorption at 25°C were -10.25, -9.65 and -8.49 kJ/mol for La-ZX, La -ZSM and La-ZA, respectively. …”
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2011
Preparation and Characterization of Glass-Ceramics Synthesized from Soda Lime Glass and Wastewater Sludge
Published 2011“…DTA study indicated that there were only inflection points of the endothermic peaks in the DTA curves of the glass samples. …”
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Thesis -
2012
Batch and column studies on biosorption and desorption of nickel on mustard oil cake
Published 2012“…Thermodynamic parameters indicated that the process is endothermic and spontaneous in nature. The breakthrough and exhaustive capacities for 5 mg/L initial Ni(II) concentration were 0.25 and 4.5 mg/g, while for 10 mg/L initial Ni(II) concentration were 4.5 and 9.5 mg/g, respectively. …”
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Thesis -
2013
Preparation and application of poly(hydroxamic acid)-kenaf fiber chelating ion exchanger for the removal of chromium and nickel from aqueous solutions
Published 2013“…The adsorption processes were endothermic and spontaneous.…”
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Thesis -
2014
Fractionation of palm kernel oil by short path distillation
Published 2013“…The distillates were found to have higher SMP, SFC and crystallised in sharper peaks. Melting endotherm of distillates was almost similar to that of PKO but a slight shift to lower temperatures was observed. …”
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Thesis -
2015
Nano-encapsulation of paracetamol in L-poly lactic acid using supercritical anti-solvent method
Published 2011“…Based on the DSC thermograms, the intensity of the endothermal melting peak of pure paracetamol was considerably reduced during SAS process due to the changing of nano-particles structure with respect to the pure L-PLA. …”
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Thesis -
2016
Adsorption of acid green 25 dye solution using modifed and unmodified kenaf fiber
Published 2015“…The negative values of ΔG and positive ΔH obtained indicated that the AG25 dye adsorption process is a spontaneous and an endothermic.Based on the data od present investigation,it was concluded that the modified kenaf fiber can be an effective eco-feiendly and low cost adsorbent to remove acid dye from colored aqueous solution.…”
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Thesis -
2017
Thermal and dynamic mechanical properties of polyethylene glycol/quartz composites for phase change materials
Published 2019“…From the DSC measurement, the endothermic peak of the composites showed a shift of approximately 7–12 °C toward higher temperatures than that of the pure polymer. …”
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Article -
2018
Production of amino acids from microalgae Nannochloropsis sp. biomass using subcritical water technology
Published 2020“…The thermodynamic analysis results showed the subcritical water process as endothermic and constant energy supply needed to produce these amino acids. …”
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Thesis -
2019
Chemical Surface Modification Of Graphene Nanoplatelets By Carboxylation Process For Enhanced Sorption Capacities
Published 2019“…From the results, fGNP showed that MB adsorption is a spontaneous and endothermic process.…”
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Thesis -
2020
Chemical Surface Modification Of Graphene Nanoplatelets By Carboxylation Process For Enhanced Sorption Capacities
Published 2019“…From the results, fGNP showed that MB adsorption is a spontaneous and endothermic process.…”
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Thesis