Soil remediation – Page 2

Toxicity Characterization, Detection and Remediation of Contaminants in Soils and Groundwater

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This research paper reviews new methods for cleaning up contaminated soil and groundwater caused by industries and pollution. Scientists are using advanced technologies like special sensors, artificial intelligence, and engineered bacteria to find and remove toxic chemicals more effectively. The findings show that treating contamination requires combining multiple cleanup methods together and considering the local environment, making remediation more successful and sustainable for communities.

Nanomaterial-mediated strategies for enhancing bioremediation of polycyclic aromatic hydrocarbons: A systematic review

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This review examines how combining tiny engineered materials (nanomaterials) with natural microorganisms can more effectively clean up environmental pollution from polycyclic aromatic hydrocarbons, which are harmful chemicals produced by burning fossil fuels and other processes. The study found that using nanomaterials alongside bacteria significantly improved pollution removal rates in water and soil, with improvements of up to 19% in liquid samples and 14% in soil samples. Different types of nanomaterials like carbon-based materials and metal oxides work by helping bacteria degrade pollutants more efficiently through various mechanisms. This approach offers a more sustainable and environmentally friendly solution compared to using traditional remediation methods alone.

Screening, identification, metabolic pathway of di-n-butyl phthalate degrading Priestia megaterium P-7 isolated from long-term film mulched cotton field soil in Xinjiang

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This research identifies a special bacterium called Priestia megaterium P-7 that can efficiently break down di-n-butyl phthalate (DBP), a harmful plastic chemical that accumulates in cotton field soils. Scientists found that this bacterium can completely remove DBP from contaminated soil within 20 hours under optimal conditions. By studying the bacterium’s genes and metabolism, they discovered the specific enzymes and pathways it uses to degrade DBP into harmless compounds. This finding offers a practical biological solution for cleaning up contaminated agricultural soils, particularly in Xinjiang where plastic film mulching is widely used in cotton farming.

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.

In situ degradation of 2-methylnaphthalene by a soil Penicillium strain associated with fungal–bacterial interactions

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Scientists discovered a new type of fungus called Penicillium sp. LJD-20 that can break down 2-methylnaphthalene, a toxic pollutant found in soil near oil fields. Using advanced microscopy and genetic analysis, researchers showed this fungus works with bacteria to completely remove the pollutant from contaminated soil within two weeks. This discovery suggests that fungi could be valuable allies in cleaning up environmental pollution caused by industrial chemicals.

A survey of bacterial and fungal community structure and functions in two long-term metalliferous soil habitats

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Scientists studied how bacteria and fungi adapt to living in soils contaminated with mercury at two former nuclear weapons sites in the United States. They found that bacterial diversity decreased in highly contaminated areas, while fungi remained relatively stable. The research identified specific microbes that can help clean up mercury pollution and showed that the amount of mercury that microbes can actually access is different from the total amount of mercury in the soil.

Mycoremediation of Petroleum-Contaminated Soil Using Native Ganoderma and Trametes Strains from the Ecuadorian Amazon

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Oil spills in the Amazon rainforest cause serious environmental and health problems. Scientists discovered that certain mushroom fungi found in Ecuador can break down petroleum pollutants in soil more effectively than natural processes. In lab tests, five native fungal strains removed over 96% of petroleum hydrocarbons from contaminated soil in just 60 days, offering a promising natural solution for cleaning up oil-polluted areas.

Arbuscular Mycorrhizal and Trichoderma longibrachiatum Enhance Soil Quality and Improve Microbial Community Structure in Albic Soil Under Straw Return

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Researchers found that combining two beneficial soil fungi—arbuscular mycorrhizal fungi and Trichoderma longibrachiatum—significantly improved poor quality albic soils when straw was returned to fields. The combined treatment increased soil pH, nutrients, and enzyme activity while promoting beneficial bacteria like Sphingomonas. This microbial approach offers farmers a sustainable, environmentally friendly way to restore degraded soils and improve agricultural productivity in regions with challenging soil conditions.

Paraboremia selaginellae enhances Salvia miltiorrhiza growth and cadmium tolerance via modulating root architecture and cadmium speciation in contaminated environments

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A beneficial fungus called Paraboremia selaginellae was found to help medicinal plants grow better in soil contaminated with cadmium, a toxic heavy metal. When this fungus colonizes plant roots, it reduces how much cadmium the plant absorbs and improves the soil’s nutrient content. This natural approach offers a promising solution for growing medicinal plants safely in polluted soils without expensive chemical treatments.

Synergistic effects of beneficial microbial inoculants and SMS-amendments on improving soil properties and Pinus seedling growth in degraded soils

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This study shows how mixing beneficial bacteria with mushroom waste can improve poor soil quality. The bacteria help break down the mushroom waste into nutrients that plants need, while also creating a healthier soil environment full of beneficial microbes. When this treated mushroom waste was added to degraded soil and used to grow pine seedlings, the plants grew taller with thicker stems and more leaves than in untreated soil. This approach offers a practical way to recycle agricultural waste while restoring damaged soils.

Research Keyword: Soil remediation