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Effect of ferrate on green algae removal
Emília Kubiňáková1, Ján Híveš2, Miroslav Gál2
1Department of Inorganic Technology, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, 812 37, Bratislava, Slovak Republic. emilia.kubinakova@stuba.sk.
Environmental Science and Pollution Research International
|August 6, 2017
Summary
Potassium ferrate(VI) effectively removes green algae Cladophora aegagropila from thermal power plant cooling water. This method achieves 100% algae removal and offers an environmentally friendly alternative to traditional treatments.
Area of Science:
- Environmental Science
- Water Treatment Technologies
- Electrochemistry
Background:
- Green algae Cladophora aegagropila proliferates in thermal power plant cooling systems, particularly during summer.
- Algae and its byproducts are challenging to remove using conventional water treatment methods.
- Effective algae control is crucial for maintaining the efficiency and operational integrity of power plants.
Purpose of the Study:
- To investigate the efficacy of electrochemically prepared potassium ferrate(VI) for removing Cladophora aegagropila from cooling water.
- To optimize experimental parameters influencing the removal efficiency of potassium ferrate(VI).
- To compare the environmental impact and effectiveness of ferrate treatment against other common methods.
Main Methods:
- Electrochemical preparation of potassium ferrate(VI).
- Systematic investigation of parameters: ferrate dosage, application time, pH, temperature, and hydrodynamics.
- Optimization of conditions for maximum algae removal efficiency.
Main Results:
- Potassium ferrate(VI) demonstrated high efficiency in removing Cladophora aegagropila.
- Optimized conditions led to 100% removal of green algae from the cooling water system.
- Ferrate treatment produced environmentally benign reduction products (Fe(III)) with beneficial coagulation properties.
Conclusions:
- Electrochemical potassium ferrate(VI) is a highly effective and environmentally friendly method for treating algae-contaminated cooling water.
- Ferrate treatment offers advantages over chlorination and permanganate due to its non-toxic byproducts.
- This technology presents a sustainable solution for managing algae issues in industrial water systems.
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