The multifunctional coal sample tank can measure the gas desorption of coal in real time and the temperature change during adsorption; ... Y. J., Wang, Y. R. & Liu, P. Numerical solution of gas ...
The desorption capacity of the LNC/MMT nanocomposite depended on parameters such as HNO3 concentration, desorption temperature, and desorption time. The satisfactory desorption capacity of 81.34 mg/g was obtained at a HNO3 concentration, desorption temperature, and desorption time of 0.2 mol/L, 60 ºC, and 30 min, …
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The relative efficiencies of water, sodium carbonate solutions (0.025 to 0.4 M), and triethanolamine solutions (0.05 to 1.0 M) for the removal of carbon dioxide from air containing up to 12% of the gas, at 40–50°F., was determined using 12 in. diameter towers packed to a depth of 40 in. with 1-in. Raschig rings.
Plasma Desorption Ionization Using 252Cf in Mass Spectrometry* Ronald D. Macfarlane, in Encyclopedia of Spectroscopy and Spectrometry (Second Edition), 1999 Involatile Inorganic Species. The 252 Cf-PD mass spectrum of metal halides and oxides consists of a family of cluster ions of these compounds extending to over m/z 10 000, produced by …
MΩ-cm) and MEA were mixed in a tank to produce 0.02 m3 of 30 wt% MEA aqueous solution. This solution was loaded by bubbling CO 2 (purity ≥ 99.995%, produced by AGA Gas, Norway) through 3 sinters in the bottom of the tank with a CO 2 flow rate of 3.3 × 10-5 m3/s to prepare the desired loading.
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Request PDF | On Jun 22, 2021, Yuting Zhuo and others published Numerical Study of Hydrogen Desorption in an Innovative Metal Hydride Hydrogen Storage Tank | Find, read and cite all the research ...
Using a model system (arsenate), a cyclic, two-step process for concentrating solutes can be realized, based on a reversible, pH dependent adsorption equilibrium and two stirred tanks: adsorption of the model ion As(V) from a dilute aqueous stream (large tank) onto chemically functionalized magnetic nanoparticles allows water …
Even though the desorption process was more intense at high pH of desorption solutions, the final amounts of orthophosphates desorbed at pH 11, pH 12, and pH 13 were similar, pointing to no need ...
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A numerical study was carried out to address the practical aspects of hydrogen absorption and desorption process in a long tubular LaNi 5 metal hydride tank (MHT) integrated with Rubitherm phase change material (PCM) jacket for hydrogen supplying of PEM fuel cell. Different H 2 supply pressures (p = 10, 15 and 20 bar), …
A two-dimensional axisymmetric model is developed to study the hydrogen desorption reaction and its subsequent discharge in a metal hydride canister. Experimental tests are performed on an in-house fabricated setup. An extensive study on the effects of the metal properties and boundary conditions on discharging performance is carried out …
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The variations in the temperature and hydrogen storage capacity during hydrogen desorption were similar, with water and oil as the heat transfer medium, under the same flow rate and heat transfer ...
Yasunaga T. and Ikeda T. (1986) Adsorption-desorption kinetics at the oxide-solution interface studied by relaxation methods. Chapter 12. In Davis J. A. and Hayes K. F. (ed.) Geochemical Processes at Mineral Surfaces. American Chemical Society, Washington, DC. Google Scholar
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Reliable approaches for accurately assessing the performance of stormwater treatment systems is essential for their effective design, including filter media selection which can be a significant constituent in stormwater treatment systems. This study presents an innovative modelling approach integrating the Tank Model with the …
Considering during desorption the water desorption efficiency of solid sorbent will decrease as the amount of water decrease, many scholars use certain amount of salt solution as liquid sorbent instead [96]. However, the desorption process of liquid sorbent requires more heat than that of solid sorbent.
A deterministic and phenomenological NLP mathematical model to study the CO 2 desorption from MEA aqueous solutions has been presented. Temperature, composition and flow-rate of liquid and gas streams along the height of the regenerator unit as well as dimensions including total pressure drop are considered as optimization …
This two-parts paper summarizes the experimental and theoretical results of a comprehensive and first of its kind study on the kinetics of carbon dioxide (CO 2) absorption and desorption in and from aqueous solutions of monoethanolamine (MEA), diethanolamine (DEA), methyl-diethanolamine (MDEA) and 2-amino-2-methyl-1 …
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In mode A, the CO 2-rich MEA solution was prepared and added into the tank (1), then heated to desired temperature by the thermostat water bath (3) before the inlet of membrane module. After pre-heating, CO 2 rich solution was continuously pumped into the tube side of the hollow fiber membrane contactor by the peristaltic pump (2).
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