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381
Sorption of cadmium and lead from aqueous solutions by spent grain
Published 2000“…The enthalpy of sorption was endothermic and the increase in Pb uptake was larger than that of Cd over the same rise in temperature. …”
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382
Sorption removal of arsenic by cerium-exchanged zeolite P
Published 2008“…The sorption follows Langmuir model with maximum sorption capacity of 8.72 mg g−1 at 25°C and increased to 23.42 mg g−1 at 90°C, indicating an endothermic process. The arsenic sorption by CeZP was not affected by the present of nitrate, chloride, sulphate, carbonate and bromide but was reduced significantly in the presence of phosphate. …”
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383
Structural, thermal and optical properties of rare earth doped lead-tellurite oxide glasses
Published 2021“…The amorphous nature of the glasses was confirmed by XRD (x-ray diffraction). Thermal exo-endothermic event profiles clarify its glass transformation temperature Tg, crystallization temperature Tx, and melting temperature Tm are exist. …”
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384
Effects of dairy processing on phospholipidome, in-vitro digestion and Caco-2 cellular uptake of bovine milk
Published 2021“…In addition, cold storage of bovine milks led to formation of β' polymorphs crystals and endothermic peak with Toffset higher than body temperature. …”
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385
Kinetics, thermodynamics, and thermal decomposition behavior of palm oil empty fruit bunch, coconut shell, bamboo, and cardboard pyrolysis: an integrated approach using Coats–Redfe...
Published 2023“…The biomass pyrolysis is endothermic and non-spontaneous and would require external energy to initiate the degradation process. …”
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386
Malachite green adsorption by potassium salts-activated carbons derived from textile sludge: Equilibrium, kinetics and thermodynamics studies
Published 2017“…Thermodynamics data revealed that the MG adsorption is spontaneous and endothermic.…”
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387
Preparation and aggregation-induced emission of new 1,3,5-triazine-2,4,6-tricarboxamide with liquid crystal properties
Published 2018“…Also, this compound behaves as liquid crystalline material and shows columnar hexagonal mesophase with endothermic peaks at 73.4oC, 185.6oC, and exothermic peaks were observed at 181.9oC and 66.1oC with focal conic fan shape texture.The thermal data showed that the compound is stable up to 200oC.…”
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388
Ethanol CO₂ reforming over Ce and La promoted Cu/A1₂O3 catalysts for syngas production
Published 2019“…The existence of concurrent endothermic ethanol dehydrogenation in ECR increased H2/CO ratio from 1.46 to 1.91 suitable for Fischer-Tropsch synthesis. …”
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389
Synthesis, characterization and adsorption optimization of bimetallic La–Zn metal organic framework for removal of 2,4-dichlorophenylacetic acid
Published 2024-04-01“…Because adsorption is an endothermic process, temperature variations affect its capability. …”
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390
Plasma-Assisted Abatement of Per- and Polyfluoroalkyl Substances (PFAS): Thermodynamic Analysis and Validation in Gliding Arc Discharge
Published 2023-07-01“…This enthalpy of reaction estimate indicates that plasma reactive species alone cannot catalyze the reaction; because the reaction is endothermic, energy input (e.g., heat) is required. …”
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391
Exfoliated Clay Decorated with Magnetic Iron Nanoparticles for Crystal Violet Adsorption: Modeling and Physicochemical Interpretation
Published 2020-07-01“…Calculated adsorption energies (Δ<i>E</i>) revealed that CV removal was an endothermic and a physisorption process (Δ<i>E</i> < 40 kJ mol <sup>−1</sup>). …”
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392
Radiation synthesis and chemical modifications of p(AAm-co-AAc) hydrogel for improving their adsorptive removal of metal ions from polluted water
Published 2023-12-01“…Conversely, the adsorption process of Cu2+ and Ba2+ ions onto all modified hydrogels is endothermic, suggesting favorable chemical adsorption mechanisms. …”
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393
Thermal Degradation and Thermodynamic Properties of Ascorbic Acid, Total Phenolic Content and Antioxidant Activity of Convective Dried Kiwi Fruits
Published 2022-10-01“…The degradation reactions endothermically occurred during drying process. Additionally, it was seen that the reason for the higher degradation rate at higher temperatures as the absolute values of ∆S increased. …”
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394
Adsorption isotherms and kinetics of vanadium by shale and coal waste
Published 2018-05-01“…For both adsorbents, the adsorption process is spontaneous, endothermic, and chemisorption in nature. Both adsorbents can effectively be recycled twice.…”
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395
Synthesis, characterization and a thermal (TG-DSC) study of gadolinium and lutetium methanesulfonate coordination compounds with pyridine-N-oxide and 2-, 3- and 4-picoline-N-oxides
Published 2005-09-01“…It was shown that the release of ligand molecules (endothermic) is followed by the thermal degradation of the ligands (exothermic).…”
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396
Biomass gasification process: theoretical and experimental studies a review
Published 2013-03-01“…Biomass transformation in a gaseous fuel to be used in a reciprocating internal combustion engine or gas turbines requires that biomass passes through several thermochemical stages. Endothermic reactions (drying, pyrolysis and reduction) and exothermic process (volatiles and carbon oxidation). …”
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397
Characterization Of Two Cellulosic Waste Materials (Orange And Almond Peels) And Their Use For The Removal Of Methylene Blue From Aqueous Solutions
Published 2015-01-01“…The thermodynamics of MB/OP and MB/AP systems indicated spontaneous and endothermic process. It was concluded that an increase in temperature results in a higher MB loading per unit weight of OP or AP. …”
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398
Adsorptive Removal of Pb(II) Ions from Aqueous Solution Using a Coir-Based Product (Puresorbe)
Published 2006-03-01“…The thermodynamic parameters showed the endothermic nature of Pb(II) ion adsorption. Desorption studies carried out using distilled water adjusted to a pH value of 2.0–7.0 suggested that the adsorption mode could be ion exchange. …”
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399
Mechanisms and Trends of Guaiacol Hydrodeoxygenation on Transition Metal Catalysts
Published 2022-05-01“…The C−O scission on Pd (111) and Pt (111) is not energetically feasible due to their high activation barriers and endothermic behaviour. Fe (110) also demonstrated its high oxophilic character by challenging the desorption of oxygenated products. …”
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400
A mixed model of heat exchange in stationary honeybee foragers
Published 2023-03-01“…Abstract During foraging honeybees are always endothermic to stay ready for immediate flight and to promote fast exploitation of resources. …”
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