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Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.

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Ionizing Radiation Crosslinked Chitosan-Based Hydrogels for Environmental Remediation.

Muhammad Asim Raza¹

¹School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.

Gels (Basel, Switzerland)

|July 25, 2025

Summary

Ionizing radiation fabrication enhances chitosan (CHT) hydrogels for superior water remediation. These improved CHT hydrogels effectively remove heavy metals, dyes, and other contaminants, offering a promising environmental solution.

Keywords:

chitosan environmental remediation hydrogels ionizing radiation

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Area of Science:

Environmental Science
Materials Science
Polymer Chemistry

Background:

Water contamination necessitates advanced remediation techniques.
Chitosan (CHT)-based adsorbents show pollutant removal potential but suffer from poor stability and limited adsorption sites.
Graft modification and crosslinking can enhance CHT properties.

Purpose of the Study:

To review the fabrication and application of ionizing radiation-developed CHT hydrogels for environmental remediation.
To explore the removal of diverse pollutants including heavy metals, dyes, organic contaminants, radionuclides, and humic substances.
To analyze fabrication strategies, adsorption mechanisms, and influencing factors for CHT hydrogels.

Main Methods:

Utilizing ionizing radiation (gamma or electron-beam) for CHT hydrogel fabrication.
Graft modification and crosslinking of chitosan.
Reviewing existing research on CHT hydrogel performance in pollutant removal.

Main Results:

Ionizing radiation offers an innovative method for CHT hydrogel synthesis.
CHT hydrogels demonstrate high efficacy in removing a wide range of water contaminants.
Understanding adsorption mechanisms and influencing factors is crucial for optimizing performance.

Conclusions:

Ionizing radiation-induced CHT hydrogels represent a significant advancement in environmental remediation technology.
These materials offer enhanced stability and adsorption capacity for effective pollutant removal.
Future research should focus on further optimizing fabrication and application for widespread environmental use.