Journal ArticleDOI
Continuous flow systems. Distribution of residence times
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TLDR
In this article, the authors proposed a method to predict the distribution of residence-times in large systems by using distribution-functions for residencetimes, which can be used to calculate the etficiencies of reactors and blenders.About:
This article is published in Chemical Engineering Science.The article was published on 1995-12-01. It has received 1416 citations till now. The article focuses on the topics: Residence time distribution & Perfect mixing.read more
Citations
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Optimizing Water Transport through Graphene-Based Membranes: Insights from Nonequilibrium Molecular Dynamics.
TL;DR: It is shown that contrary to speculation in the literature, water molecules do not pass through the membrane as a hydrogen-bonded chain; instead, they form well-mixed fluid regions confined between the graphene sheets.
Journal ArticleDOI
Dynamic methods for catalytic kinetics
Rob J. Berger,Freek Kapteijn,Jacob A. Moulijn,Guy Marin,Juray De Wilde,María José Alonso Olea,De Chen,Anders Holmen,Luca Lietti,Enrico Tronconi,Yves Schuurman +10 more
TL;DR: In this article, the application of various transient techniques in heterogeneous catalysis (TAP, step-response experiments, SSITKA, TEOM) with the aim of determining reaction kinetics for design purposes, is presented for several cases.
Journal ArticleDOI
Effects of Boundary Conditions of Models on Tracer Distribution in Flow through Porous Mediums
N. D. Gershon,A. Nir +1 more
TL;DR: In this paper, the effects of initial and boundary conditions on the distribution of the tracer in time and distance are calculated for several one-dimensional systems (infinite, semi-infinite and finite) of tagged liquid flowing through a solid matrix.
Journal ArticleDOI
A generalized solution for solute flow in soils with mobile and immobile water
F. De Smedt,P. J. Wierenga +1 more
TL;DR: In this paper, an analytical solution for the movement of a solute through a porous medium which is leached at a constant rate is presented for both finite or semi-infinite media and for concentration or flux type boundary conditions.
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Mass transfer limitations in microchannel reactors
TL;DR: In this article, the radial profiles of the reactants in the microchannels were simulated using a two-dimensional model and two different criteria to distinguish between the kinetically and the mass transfer controlled regime were presented.
References
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Mathematics of Adsorption in Beds. VI. The Effect of Longitudinal Diffusion in Ion Exchange and Chromatographic Columns
Leon Lapidus,Neal R. Amundson +1 more
Journal ArticleDOI
The Definition and Measurement of Some Characteristics of Mixtures
TL;DR: In this paper, it is shown that the important features of such mixtures can be expressed by two statistically defined quantities, the scale and the intensity of segregation, and methods of measuring these are suggested.