[HTML][HTML] Arsenic removal by adsorbents from water for small communities' decentralized systems: Performance, characterization, and effective parameters

RS Neisan, NMC Saady, C Bazan, S Zendehboudi… - Clean …, 2023 - mdpi.com
Arsenic (As), a poisonous and carcinogenic heavy metal, affects human health and the
environment. Numerous technologies can remove As from drinking water. Adsorption is the …

Current trends of arsenic adsorption in continuous mode: Literature review and future perspectives

MA Carneiro, AMA Pintor, RAR Boaventura… - Sustainability, 2021 - mdpi.com
Arsenic is a toxic element for humans and a major pollutant in drinking water. Natural and
anthropogenic sources can release As into water bodies. The countries with the greatest …

Investigating the impact of adsorbent particle size on column adsorption kinetics through a mathematical model

A Valverde, A Cabrera-Codony… - International Journal of …, 2024 - Elsevier
Experimental data demonstrates that the breakthrough curves of column adsorption exhibit
qualitative differences related to the size of the adsorbent particles. Standard models do not …

[HTML][HTML] An analytical investigation into solute transport and sorption via intra-particle diffusion in the dual-porosity limit

LC Auton, M Aguareles, A Valverde, TG Myers… - Applied Mathematical …, 2024 - Elsevier
We develop a mathematical model for adsorption based on averaging the flow around, and
diffusion inside, adsorbent particles in a column. The model involves three coupled partial …

Fundamental understanding of irradiation intensity and other process parameters on photocatalytic degradation of phenol in hollow fiber mixed matrix membrane

A Roy, R Mondal - Chemical Engineering Science, 2023 - Elsevier
Lack of comprehensive general theoretical model on photocatalytic mixed-matrix-membrane
(PMMM) makes its practical application infeasible. The dynamic process involves bulk and …

Polyaniline and polypyrrole impregnated polyethersulfone based composite polymer beads for defluoridation application

D Mishra, SK Singh, A Adhikari, S Chatterjee - Journal of Environmental …, 2022 - Elsevier
Various composite conductive polymeric beads were prepared by phase inversion method
for defluoridation studies. Base polymer (polyether sulfone) was impregnated with doped …

Multiscale modeling of ammonia adsorption on zinc sulfate-doped activated carbon: Sensitivity analysis, parameter identification, and model validation

C Cardenas, AM Latifi, C Vallières… - Separation and Purification …, 2023 - Elsevier
In this study four models are developed and validated to describe the dynamic adsorption of
ammonia on zinc sulfate-doped activated carbon, ranging from simple single-scale to …

Is it time to move on from the Bohart-Adams model for column adsorption?

TG Myers - International Communications in Heat and Mass …, 2024 - Elsevier
Abstract The Bohart-Adams model provides a standard expression for the breakthrough
curve of contaminant at the outlet of a packed column. It is a basic building block for analysis …

[HTML][HTML] Micro-segregated two-dimensional fluid and mass transport modelling in unsteady rotating annular photocatalytic reactor

R Mondal - Results in Engineering, 2022 - Elsevier
Rotating annular photo-reactor (RAPR) is the state-of-the-art solution to the global challenge
of wastewater treatment. Its widespread application needs elemental theoretical. In this …

Continuum model for extraction and retention in porous media

AFV Matias, DF Valente-Matias, NR Neng… - Physics of …, 2023 - pubs.aip.org
Several natural and industrial processes involve the extraction or retention of a solute by a
fluid invading a network of channels. Examples include aquifer contamination, chemical …