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Ion-Exchange Chromatography

Ion-Exchange Chromatography

Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...

Ion Exchange

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Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device

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Published on: July 20, 2021

Adsorption and ion exchange: basic principles and their application in food processing.

Judith Kammerer¹, Reinhold Carle, Dietmar R Kammerer

¹Hohenheim University, Institute of Food Science and Biotechnology, Chair Plant Foodstuff Technology, Stuttgart, Germany. Dietmar.Kammerer@uni-hohenheim.de

Journal of Agricultural and Food Chemistry

|December 9, 2010

Summary

This paper overviews adsorption and ion exchange technologies for food and nutraceutical production. It details materials, processes, and applications, including recovering valuable compounds from plant byproducts.

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Area of Science:

Food Science and Technology
Chemical Engineering
Separation Science

Background:

Adsorption and ion exchange are crucial separation technologies.
These methods are increasingly vital in food and nutraceutical production.
Historical development and industrial production of sorbent materials are key.

Purpose of the Study:

To provide a comprehensive overview of adsorption and ion exchange technologies.
To detail the materials, processes, kinetics, thermodynamics, and equilibrium models involved.
To summarize industrial applications in food, nutraceuticals, and byproduct valorization.

Main Methods:

Literature review and synthesis of existing research.
Analysis of adsorbent and ion-exchange resin properties and historical development.
Examination of adsorption and ion exchange process principles and industrial equipment.

Main Results:

Detailed characterization of adsorbent and ion-exchange resin materials.
In-depth explanation of adsorption and ion exchange process kinetics and thermodynamics.
Summary of industrial applications, including food production and recovery of bioactive compounds.

Conclusions:

Adsorption and ion exchange are versatile technologies for food and nutraceutical industries.
These technologies enable efficient recovery of valuable compounds from plant byproducts.
Applications range from general food processing to functional foods and nutraceuticals.