Solid diffusion control of the adsorption of basic dyes onto granular activated carbon and natural zeolite in fixed bed columns [PDF]
The adsorption of basic dyes from aqueous solutions onto granular activated carbon and natural zeolite was studied using a fixed bed column. The design procedures for fixed bed adsorption columns were investigated for two basic dyes Maxilon ...
Markovska L. +3 more
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New insight for the diffusion–resupply kinetics of Cr(VI) in contaminated soil using DGT/DIFS
Chromium (Cr) is a widespread pollutant with high toxicity and mobility. However, the diffusion–resupply kinetics of Cr(VI) between the solid phase and solution in the soils remain unclear.
Bo Gao, Li Gao, Dongyu Xu
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Multidimensional encoding of restricted and anisotropic diffusion by double rotation of the q vector [PDF]
Diffusion NMR and MRI methods building on the classic pulsed gradient spin-echo sequence are sensitive to many aspects of translational motion, including time and frequency dependence (“restriction”), anisotropy, and flow, leading to ambiguities when ...
H. Jiang, L. Svenningsson, D. Topgaard
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Tailoring atomic diffusion for in situ fabrication of different heterostructures
Atomic diffusion is a powerful tool for the synthesis of heterostructures, even though controlled atomic diffusion is difficult to achieve. Here, the authors control solid-solid atomic diffusion between an Ag nanowire and a Te nanowire, producing 1D ...
Hui Zhang +5 more
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Kinetic Analysis of Isothermal and Non-Isothermal Reduction of Iron Ore Fines in Hydrogen Atmosphere
Direct reduction of iron ore with H2 has become an alternative technology for iron production that reduces pollutant emissions. The reduction kinetics of iron ore fines in an H2 atmosphere under isothermal and non-isothermal conditions were studied by ...
Binbin Lyu +5 more
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Liquid phase sintering, II: Computer study of skeletal settling and solid phase extrication in a microgravity environment [PDF]
A two-dimensional numerical method based on the Brownian motion model and on the Densification model for simulation of liquid phase sintering in microgravity environment will be developed.
Nikolić Z.S.
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Cure reaction modelling for thermosetting resin having two-step reaction peaks
When thermosetting resin changes from liquid to solid in cure process, the elasticity and volume also vary with the degree of reaction based on the tempearture history.
Hiroki NAKATSUCHI, Yuri KAJIHARA
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Dynamic studies of nitrophenols sorption on perfil in a fixed-bed column
The adsorption of two substituted nitrophenols, namely 4-nitrophenol (4-NP) and 2,4-dinitrophenol (2,4-DNP), from aqueous solutions onto perfil was studied using a fixed bed column.
Zvezdelina Yaneva +4 more
doaj +1 more source
Analytical solutions for the temperature field in a 2D incompressible inviscid flow through a channel with walls of solid fuel [PDF]
A gas (oxidizer) flows between two parallel walls of solid fuel. A combustion is initiated: the solid fuel is vaporized and a diffusive flame occurs. The hot combustion products are submitted both to thermal diffusion and convection. Analytical solutions
Sorin BERBENTE +2 more
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Calculating the conversion of a diffusion controlled solid-solid reaction.
Volumetric conversion of a solid-solid reaction, in which solid particles of one component are randomly packed with particles of the other component, is calculated with a model in which the reaction proceeds by mutual diffusion through the contacting points.Two periods are considered, i.
SHIRAI, Masahiro, TANAKA, Tatsuo
openaire +2 more sources

