Research Keyword: MICP

Response mechanism of extracellular polymers in the remediation of chromium pollution by carbonate mineralizing bacteria

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Certain bacteria can help clean up chromium pollution by producing protective coatings made of sugar and protein molecules. When exposed to high levels of chromium, these bacteria produce more of these protective coatings, which trap and neutralize the toxic metal. The coating changes its composition to better bind chromium, and the protein structure becomes more porous to catch more metal. This research shows how nature can be used to clean up contaminated environments.

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Enhanced MICP for Soil Improvement and Heavy Metal Remediation: Insights from Landfill Leachate-Derived Ureolytic Bacterial Consortium

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Researchers used naturally-occurring bacteria from landfill waste liquid to create a sustainable method for cleaning contaminated soil and removing heavy metals like cadmium and nickel. The bacteria produce calcium carbonate (a mineral similar to limestone) which strengthens soil and traps pollutants. This biological approach is cheaper, more environmentally friendly, and more effective than traditional chemical cleaning methods, making it promising for treating contaminated sites worldwide.

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