Research Topic: soil stabilization

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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Effects of food waste mulch on the physicochemical quality and fungal community diversities of desert soil in Southeast Iran

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Researchers tested whether mulch made from food waste could improve desert soil in Iran. They mixed food waste with clay and water, then spread it on desert plots over five months. The mulch significantly increased organic matter and beneficial fungi in the soil, helping to stabilize the desert sand and potentially reduce both food waste and soil erosion. This approach could provide a sustainable solution for desert regions worldwide.

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Biomimicry in the Context of Stabilised Porous Clays

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Researchers developed a new way to strengthen loose soil by mimicking how fungi naturally stabilize soil in nature. Instead of compacting soil (which reduces its ability to support plant growth and fluid movement), they treat it with a waste product from sugar refineries mixed with a binding agent. The treated soil becomes stronger and stiffer while remaining porous and loose, maintaining its ability to support ecosystem functions while meeting engineering requirements.

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