Adsorption Process in Chemical Engineering

A special issue of Separations (ISSN 2297-8739).

Deadline for manuscript submissions: 10 February 2025 | Viewed by 1831

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, Instituto Tecnológico de Aguascalientes, Aguascalientes 20256, Mexico
Interests: adsorption for water treatment and purification; biofuel production, global and multi-objective process optimization; applied thermodynamics

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Guest Editor
Consejo Nacional de Humanidades, Ciencias y Tecnologías (Conahcyt), Mexico City, Mexico
Interests: adsorption for water treatment; materials science

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Guest Editor
Consejo Nacional de Humanidades, Ciencias y Tecnologías (Conahcyt), Mexico City, Mexico
Interests: biofuel production; separation processes

Special Issue Information

Dear Colleagues,

Adsorption is a crucial separation process in chemical engineering and is widely applied in diverse fields, such as environmental remediation, the industrial purification of value-added chemicals, carbon dioxide capture, water treatment, catalysis, and energy storage. The sustainability and efficacy of this technology rely on diverse parameters such as process operating conditions (e.g., temperature, pressure, and pH), adsorbate chemistry, physicochemical adsorbent properties, and process configuration. The research on and application of process systems engineering in adsorption play a fundamental role in ensuring its cost-effectiveness and environmental sustainability. Adsorption is a consolidated technology in which a wide spectrum of adsorbents (activated carbons, zeolites, molecular sieves, nanomaterials, metallic organic frameworks, and other advanced materials) can be synthetized and tailored for specific applications. However, the current challenges facing our society such as resource limitations, environmental production, energy production, and climate change demand the implementation of versatile and improved adsorption processes.

Therefore, this Special Issue will focus on, but is not limited to, theoretical and experimental advancements and developments related to the process systems engineering of adsorption as follows: the synthesis, characterization, and functionalization of novel multifunctional adsorbents computer-aided design of adsorbent preparation routes; the modeling of batch and continuous multicomponent adsorption systems; the control and optimization of adsorption processes; the design of intensified adsorption processes; computational tools for adsorption process engineering; the industrial design and scale-up of adsorption-based separations; artificial intelligence-based adsorption applications; life cycle analysis; circular-based production and supply chains of traditional and novel adsorbents; and case studies on the applications of emerging adsorbents in environmental depollution processes, industrial separations, energy storage, carbon dioxide capture, and the recovery of value-added products. The authors are invited to submit original research papers, reviews, and short communications. 

Prof. Dr. Adrian Bonilla-Petriciolet
Prof. Dr. Didilia Ileana Mendoza-Castillo
Prof. Dr. Hilda Elizabeth Reynel-Ávila
Guest Editors

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Keywords

  • adsorbents
  • depollution
  • energy storage
  • environmental remediation
  • intensification
  • modeling
  • adsorption engineering
  • process systems engineering
  • sustainable separation
  • value-added products

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Published Papers (1 paper)

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Research

15 pages, 2526 KiB  
Article
Heavy Metal Removal from Water Using Graphene Oxide in Magnetic-Assisted Adsorption Systems: Characterization, Adsorption Properties, and Modelling
by A. P. Melchor-Durán, M. R. Moreno-Virgen, A. Bonilla-Petriciolet, H. E. Reynel-Ávila, E. Lucio Ortiz and O. F. González-Vázquez
Separations 2024, 11(10), 294; https://doi.org/10.3390/separations11100294 - 12 Oct 2024
Viewed by 1308
Abstract
This study investigated the adsorption properties of graphene oxide in a magnetic-assisted adsorber for the depollution of water containing heavy metals. Two samples of graphene oxide with different surface chemistry were synthetized and assessed using the magnetic-assisted adsorption systems. One graphene oxide sample [...] Read more.
This study investigated the adsorption properties of graphene oxide in a magnetic-assisted adsorber for the depollution of water containing heavy metals. Two samples of graphene oxide with different surface chemistry were synthetized and assessed using the magnetic-assisted adsorption systems. One graphene oxide sample exhibited a dual magnetic behavior presenting both diamagnetic and ferromagnetic phases, while the other graphene oxide was diamagnetic. The adsorption properties of these graphene oxide samples for removing Pb2+ and Cu2+ were tested and compared with and without a magnetic field exposure. The results showed that the Pb2+ removal increased using both graphene oxide samples in the magnetic-assisted configuration, while Cu2+ adsorption was less sensitive to the application of the magnetic field. A monolayer model was used to simulate all the heavy metal adsorption isotherms quantified experimentally. It was concluded that the adsorption mechanism designed to remove Pb2+ and Cu2+ using tested graphene oxide samples was mainly multi-ionic where two metallic cations could interact with one active site (i.e., oxygenated functional groups) from the adsorbent surface. The oxygenated surface functionalities of graphene oxide samples played a relevant role in determining the impact of magnetic field exposure on the heavy metal removal efficacy. Magnetic-assisted adsorption using graphene oxide is an interesting alternative to reduce the concentration of Pb2+ in polluted effluents, and it can also be applied to improve the performance of adsorbents with a limited concentration of oxygenated functional groups, which usually show poor removal of challenging water pollutants such as toxic heavy metals. Full article
(This article belongs to the Special Issue Adsorption Process in Chemical Engineering)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Impact of Soil Physical and Chemical Properties on Cadmium Sorption Dynamic
Author: Aloud
Highlights: The kd values of Cd were significantly correlated to Feo– Fep. A change in pH can cause a dramatic change in the sorption capacity of the soil, especially at pH below 6. Binding and migration of Cd in soils are very sensitive to the pH of the soil environment .

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