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Application of potassium ferrate(VI) in the treatment of selected water and wastewater pollutants - short review

Kliś Simona, Barbusiński Krzysztof, Thomas Maciej, Mochnacka Anna

Architecture Civil Engineering Environment

2020

Vol. 13, no. 1

129--138

The paper presents the application of potassium ferrate(VI) (K2FeO4) for the removal of selected pollutants from water and wastewater. The research results on the degradation of endocrine disrupting compounds (EDCs), decomposition of surfactants (SPCs), personal care products (PCPs), pharmaceuticals and their metabolites have been reviewed. Due to K2FeO4 strong oxidizing and coagulating properties, high stability, non-toxic by-products and non-selectivity it is sometimes called “environmentally friendly oxidant”. Due to this reasons K2FeO4 can be a multi-purpose water and wastewater treatment chemical and an alternative to advanced oxidation processes (AOPs).

Application of potassium ferrate(VI) for oxidation of selected pollutants in aquatic environment - short review

Kliś Simona, Barbusiński Krzysztof, Thomas Maciej, Mochnacka Anna

Architecture Civil Engineering Environment

2019

Vol. 12, no. 1

129--137

The paper provides comprehensive information on the recent progress of the use of potassium ferrate(VI) (K2FeO4) for the removal of selected pollutants from water and wastewater. K2FeO4 provides great potential for diverse environmental applications without harm to the natural environment. Therefore K2FeO4 was used in removal of cyanides from gold ore purification processes, degradation of dyes and organic compounds in wastewater and algae removal in the water treatment process. The quoted research results indicate that K2FeO4 due to its strong oxidizing and coagulating properties, could be an alternative to the use of Advanced Oxidation Processes (AOPs) or be an additional option to conventional methods of water and wastewater treatment. As a result of using K2FeO4, the emerge intermediates of the impurities decomposition are nontoxic or show less toxicity than the initial substrates. The use of K2FeO4 is also associated with certain limitations of technical and technological nature, which requires further research in order to use its high efficiency in the degradation of various types of contamination on a technical scale.