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A mini review of activated methods to persulfate-based advanced oxidation process
Wei Song1, Ji Li1, Zhuoyue Wang1
1School of Civil and Environmental Engineering, Shenzhen Key Laboratory of Water Resource Application and Environmental Pollution Control, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, China
Summary
Persulfate advanced oxidation effectively degrades organic pollutants like pesticides and pharmaceuticals. This review classifies activation methods and discusses environmental factors influencing oxidation efficiency for better contaminant removal.
Area of Science:
- Environmental Science
- Chemistry
- Chemical Engineering
Background:
- Persulfate-based advanced oxidation is a key technology for environmental remediation.
- Degradation of emerging organic contaminants (pesticides, dyes, pharmaceuticals) is crucial.
- Persulfate alone has limited oxidation potential, necessitating effective activation methods.
Purpose of the Study:
- To review and classify various activation methods for persulfate-based advanced oxidation.
- To analyze the influence of environmental conditions on oxidation efficiency.
- To enhance the understanding of persulfate activation for contaminant degradation.
Main Methods:
- Literature review focusing on persulfate activation techniques.
- Classification of activation methods (substance-related and non-substance-related).
- Discussion of environmental factors: pH, dosage, and co-existing substances.
Main Results:
- Various methods activate persulfate, enhancing its degradation efficiency for organic pollutants.
- Activation methods are categorized based on their interaction with substances.
- Environmental conditions significantly impact the overall oxidation capacity.
Conclusions:
- Effective activation is critical for efficient persulfate-based contaminant degradation.
- Understanding environmental influences optimizes advanced oxidation processes.
- This review provides a framework for developing practical persulfate activation strategies.
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