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421
Adsorption of Pb Using Mesoporous Activated Carbon and its Effects on Surface Modifications
Published 2012-07-01“…Our experiments showed that adsorption was pH dependent, and any rise in temperature results in increased adsorption, which indicates the endothermic nature of the process. Typical isotherm models were fitted to describe the data. …”
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422
Adsorption kinetics and thermodynamics of malachite green dye unto acid activated low cost carbon.
Published 2010-06-01“…The temperature variation study showed that the Malachite green adsorption is endothermic and spontaneous with increased randomness at the solid solution interface. …”
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423
An investigation of the aging of electro exploded platinum nanopowder
Published 2012“…For virgin platinum nanopowder, the differential scanning calorimetry (DSC) results indicated that there are two endothermic reactions at about 100°C and 350°C, an exothermic reaction within the temperature range of 173.4°C to 198.57°C. …”
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Final Year Project (FYP) -
424
Asymptotic analysis of a silicon furnace model
Published 2018“…These equations account for diffusion, an endothermic reaction, and the external heating input to the system. …”
Journal article -
425
Valorization of casuarina empty fruit-based activated carbons for dyes removal – activators, isotherm, kinetics and thermodynamics
Published 2021“…Both intraparticle and film controlled the diffusion of dye molecules onto the carbon surface. The adsorption is endothermic and spontaneous at high temperature especially for methylene blue removal.…”
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426
Heat Optimization in Internal Curing Process of Geopolymer Mortar by Using Steel Dust
Published 2016“…Endothermic is one of the fundamental characterics in geopolymer that involves external source of heat to activate the polymerization process to form strong hardened geopolymer. …”
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Conference or Workshop Item -
427
Characterization and preparation of Polyvinyl Alcohol (PVA) as inhibitor in formation of hydrates
Published 2018“…The DSC result showed the typical partially crystalline materials, showing some phases of separation are characterized by a glass transition (Tg = 25-26 °C) related to the amorphous part of the material, followed by two endothermic peaks related to the melting point (Tm = 185-225) of the crystallites. …”
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428
Thermodynamic Analysis of the Solubility of Isoniazid in (PEG 200 + Water) Cosolvent Mixtures from 278.15 K to 318.15 K
Published 2022-09-01“…The solubility of isoniazid depends on the concentration of PEG 200 (positive cosolvent effect) and temperature (endothermic process) reaching its maximum solubility in pure PEG 200 at 318.15 K and the lowest solubility in pure water at 278.15 K. …”
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429
Sustainable Adsorption Method for the Remediation of Crystal Violet Dye Using Nutraceutical Industrial Fenugreek Seed Spent
Published 2021-08-01“…It is evident from thermodynamic parameter values that the process of adsorption is endothermic, physical and dynamic. The process optimization of independent variables that influence adsorption was carried out using response surface methodology (RSM) through bi-level fractional factorial experimental design (FEED). …”
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430
The Preparation of a Lignosulfonate/Chitosan–Graphene Oxide Hydrogel Biosorbent to Effectively Remove Cr(VI) from Wastewater: Adsorption Performance and Mechanisms
Published 2022-11-01“…Thermodynamic analysis showed that Cr(VI) adsorption on LCGH was spontaneous endothermic and fitted well with the pseudo-second-order kinetic and Langmuir models. …”
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Article -
431
Enhanced production of hydrogen from methanol using spark discharge generated in a small portable reactor
Published 2022-11-01“…In this discharge, there is a synergistic effect of high-energy electrons and high temperature interactions, which enables an efficient course of endothermic processes such as the production of hydrogen from methanol. …”
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432
Biosorption of Pb(II) by the resistant Enterobacter sp.: Investigated by kinetics, equilibriumand thermodynamics
Published 2021-09-01“…The calculated ΔGо and ΔHо were –4.06 and 14.91(kJ/mol), respectively, which indicated that biosorption process was spontaneous and endothermic. Results show that Enterobacter sp. will be an efficient biosorbent for Pb(II) removal.…”
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Article -
433
Minimizing river pollution by batik dye wastewater using palm oil fuel ash (POFA) as an environmentally friendly, low-cost adsorbent alternative
Published 2022-10-01“…The adsorption process occurred endothermically and spontaneously.…”
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434
Effect of glycerol on the physicochemical properties of cereal starch films
Published 2018-10-01“…Starch films exhibited an apparent endothermic peak in the range of 151-199°C with corn starch film with 1.6% glycerol having a relatively lower To and higher Tp. …”
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435
Microwave-Assisted Synthesis of kappa-Carrageenan Beads Containing Silver Nanoparticles with Dye Adsorption and Antibacterial Properties
Published 2016-04-01“…The thermodynamic parameters shown that the sorption process was feasible, spontaneous and endothermic. The kinetics and isotherm of crystal violet adsorption were found to well fit to pseudo-second-order kinetic and Langmuir isotherm model, respectively. …”
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436
Specialized impulse conduction pathway in the alligator heart
Published 2018-03-01“…This system may have evolved together with high heart rates to support their endothermic state (warm-bloodedness) and is seemingly lacking in ectothermic vertebrates from which first mammals then birds independently evolved. …”
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437
Structures of a Phosphoryl Derivative of 4-Allyl-2,4-dihydro-3H-1,2,4-triazole-3-thione: An Illustrative Example of Conformational Polymorphism
Published 2021-09-01“…The first form that seems to be more thermodynamically stable at room temperature transforms into the second form via two endothermic phase transitions; the apparent irreversibility of the transition is due to high energy difference between the molecular conformations in crystals.…”
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Article -
438
Assessment of the Starch-Amylolytic Complex of Rye Flours by Traditional Methods and Modern One
Published 2021-12-01“…Many significant correlations between parameters determined by DSC endotherm and quality parameters of rye bread, such as volume and crumb hardness, were reported. …”
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439
Reaction coupled with transport phenomena in oxidative coupling of methane:CFD modeling for single pellet
Published 2015-01-01“…Also, the results show that exothermic oxidation reactions occur before endothermic coupling reaction in the pellet length.…”
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440
Magnetic induction assisted pyrolysis of plastic waste to liquid hydrocarbons on carbon catalyst
Published 2023-11-01“…By comparison to indirect Joule heating which required much higher temperatures, contactless direct induction heating allows a compensation of the internal temperature loss during such highly endothermic process through direct heat targeting. The single carbon-based catalyst combined a high and stable activity with an extremely high stability as a function of cycling tests with pure or mixed polymers. …”
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