Research Keyword: bioelectrochemical systems

Impact of veterinary pharmaceuticals on environment and their mitigation through microbial bioremediation

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Veterinary medicines used in livestock are contaminating our water and soil, creating serious problems like antibiotic-resistant bacteria. Scientists are discovering that natural microorganisms like bacteria and fungi can break down these pharmaceutical pollutants effectively. Advanced technologies combining microbes with electrical systems show promise for cleaning up contaminated wastewater, offering hope for a more sustainable solution to this growing environmental problem.

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Electroactive Bacteria in Natural Ecosystems and Their Applications in Microbial Fuel Cells for Bioremediation: A Review

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Electroactive bacteria are special microorganisms found in soil, water, and sediment that can generate electrical current. Scientists are harnessing these bacteria in microbial fuel cells to simultaneously clean contaminated water and produce electricity. These systems can remove pollution including heavy metals and antibiotics while generating renewable energy, offering a green solution for environmental cleanup and power generation.

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Bioremediation of High-Concentration Heavy Metal-Contaminated Soil by Combined Use of Acidithiobacillus ferrooxidans and Fe3O4–GO Anodes

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Researchers developed a new system to clean soil contaminated with toxic heavy metals like lead, cadmium, and chromium from electronic waste recycling areas. The system combines special bacteria with magnetized graphene-based electrodes that work together to remove up to 89% of zinc and other metals from polluted soil. This approach is more energy-efficient and environmentally friendly than traditional cleaning methods, offering hope for restoring contaminated sites.

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Characteristics of Aniline Aerofloat Biodegradation in Mineral Processing Wastewater and Energy Recovery by Single-Chamber Bioelectrochemical System: Strategies for Efficiency Improvement and Microbial Mechanisms

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This study demonstrates that microbial fuel cells can effectively treat mining wastewater containing aniline aerofloat, a toxic organic chemical, while simultaneously generating electricity. By optimizing conditions such as pH and electrical resistance, the system achieved over 72% removal of the contaminant. Specific bacteria enriched in the fuel cell anode proved instrumental in breaking down this complex compound, offering a promising sustainable solution for mining industry wastewater management.

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Analytical Determination of Heavy Metals in Water Using Carbon-Based Materials

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This review examines how special carbon-based materials can detect toxic metals like lead, cadmium, and mercury in water quickly and inexpensively. These sensors use electrochemical methods to identify metal contamination at extremely low levels, far below what could harm human health. Some newer sensors are self-powered and can show results with color changes visible to the naked eye, making them perfect for rapid testing in the field without expensive laboratory equipment.

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