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Journal ArticleDOI

Design of cyclic fixed‐bed adsorption processes. Part I: Phenol adsorption on polymeric adsorbents

Carlos Costa, +1 more
- 01 Oct 1985 - 
- Vol. 31, Iss: 10, pp 1645-1654
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TLDR
In this article, a model for the adsorption of phenol in a fixed bed of a polymeric adsorbent is developed, which is used for the prediction of breakthrough curves and is part of a package for the design of cyclic processes.
Abstract
A model for the adsorption of phenol in a fixed bed of a polymeric adsorbent is developed. Model parameters (equilibrium parameters, capacity factor, axial dispersion, film mass transfer coefficient, and intraparticle effective diffusivity) are experimentally determined from independent experiments. Numerical solution of the model equations uses the method of lines with double orthogonal collocation in finite elements. The model is used for the prediction of breakthrough curves and is part of a package for the design of cyclic processes.

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Journal ArticleDOI

Mathematically modeling fixed-bed adsorption in aqueous systems

TL;DR: This review could help those interested in column adsorption to reasonably choose or develop an accurate and convenient model for their study and practical application.
Journal ArticleDOI

Cellulose nanowhiskers improve the methylene blue adsorption capacity of chitosan-g-poly(acrylic acid) hydrogel.

TL;DR: Cellulose nanowhiskers (CNWs, 90% crystalline) were used to enhance the adsorption capacity of chitosan-g-poly(acrylic acid) hydrogel and showed improved adsorptive capacity towards methylene blue (MB) as compared to the pristine hydrogels.
Journal ArticleDOI

Adsorption of pesticides on porous polymeric adsorbents

TL;DR: In this article, the effect of chemical composition and structure of the herbicides, including trifluralin and prometryn, on the adsorption of polymeric resins was investigated.
Journal ArticleDOI

Combined adsorption and ion exchange equilibrium of phenol on Amberlite IRA-420

TL;DR: In this article, a simple empirical model was able to reproduce the measured total uptake of phenol and the pH dependent equilibrium isotherms can be explained assuming that the uptake of the phenol in the resin is accomplished by two ways: ion exchange and molecular adsorption.
Journal ArticleDOI

Comparative study of the adsorption of phenol and salicylic acid from aqueous solution onto nonionic polymeric resins

TL;DR: In this article, the authors compared the adsorption behavior of two polymeric resins (Amberlite XAD16 and Duolite S861) in batch and fixed bed operation.
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