heavy metal remediation

Phytoremediation Potential of Heavy Metals Using Biochar and Accumulator Plants: A Sustainable Approach Towards Cleaner Environments

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Researchers tested whether mixing coconut fiber biochar with contaminated mine soil could help plants called Sanvitalia procumbens clean up heavy metal pollution. The plants absorbed less toxic metals when grown in the biochar-amended soil, grew bigger, stayed healthier with more green coloring, and experienced less genetic damage. Using this natural byproduct from coconut processing as a soil amendment proved to be an effective and sustainable way to reduce heavy metal contamination risks to the environment and food chain.

Ultra-high temperature bacterial agents enhance heavy metal passivation and antibiotic degradation in compost

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This study develops a faster, more effective way to treat pig manure contaminated with both heavy metals and antibiotics. By combining special heat-loving bacteria with activated carbon and optimized moisture levels, the composting process reaches very high temperatures that accelerate both metal immobilization and antibiotic breakdown. The method successfully removes over 99% of harmful antibiotics while stabilizing heavy metals within 30 days, producing safe fertilizer that meets quality standards.

Dosage of Sulfidized Nano Zero-Valent Iron, Soil Moisture and pH Influences on Fraction of Arsenic and Cadmium in Contaminated Paddy Soil

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This study examines using tiny iron particles coated with sulfur to clean rice paddy soils contaminated with arsenic and cadmium. The researchers tested different amounts of this material, soil moisture levels, and soil acidity to find the best conditions for trapping these harmful metals in the soil so rice plants cannot absorb them. They found that using a moderate amount of the material works best and that keeping the soil wet helps prevent the metals from becoming available to plants.

Biological approaches to mitigate heavy metal pollution from battery production effluents: advances, challenges, and perspectives

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Battery factories produce dirty water containing harmful heavy metals like lead and cadmium. Instead of using expensive chemical treatments, scientists are finding natural ways to clean this water using plants, bacteria, and other living organisms. These biological methods can remove up to 99% of the metals and are better for the environment. This review examines all these natural cleaning methods and suggests ways to make battery production cleaner and safer.

From consortium design to bioaugmented filters: scalable yeast-based strategies for lead remediation in water systems

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Lead contamination in water is a serious health problem worldwide. This research developed a solution using natural yeast strains from a river that can remove lead from water. Scientists optimized three different yeast types to work together and incorporated them into filters, achieving up to 99.97% lead removal. This sustainable, low-cost approach could make clean water more accessible globally, especially in resource-limited areas.

Efficient Copper Biosorption by Rossellomorea sp. ZC255: Strain Characterization, Kinetic–Equilibrium Analysis, and Genomic Perspectives

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Scientists found that a bacterium called Rossellomorea sp. ZC255 can efficiently remove copper pollution from water. The strain works best at neutral pH and room temperature, achieving a removal capacity of 253.4 mg of copper per gram of bacterial biomass. By studying the bacteria’s structure and genes, researchers discovered that the removal happens through both surface binding and internal accumulation mechanisms, making it a promising eco-friendly solution for treating polluted water.

Synergistic Effects of Lavandula angustifolia and a Bacterial Consortium on Bioremediation of a Heavy Metal-Contaminated Soil

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This study demonstrates how planting lavender combined with beneficial soil bacteria can effectively clean industrial contaminated soil. Over 90 days, this combined approach significantly reduced toxic lead and tin in the soil while improving overall soil health. The lavender plant works synergistically with the bacteria to create an ideal environment for metal removal and soil recovery, offering a sustainable and cost-effective alternative to traditional soil cleanup methods.

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.

Recent Advances and Developments in Bacterial Endophyte Identification and Application: A 20-Year Landscape Review

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Bacterial endophytes are beneficial bacteria living inside plants that help them grow stronger, resist diseases, and even clean up polluted soil. Scientists have studied these helpful microbes for 20 years and discovered they can be identified using both traditional laboratory methods and advanced DNA technologies. These bacteria show promise for making farming more sustainable by reducing the need for chemical pesticides and helping crops survive droughts and other stressors.

Biological applications of yttrium oxide nanocomposites synthesized from Aspergillus penicillioides and their potential role in environmental remediation

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Researchers used a fungus called Aspergillus penicillioides to create tiny particles of yttrium oxide that can remove dangerous metals like lead and nickel from contaminated water. These particles work like microscopic sponges that grab onto the toxic metals when exposed to UV light. The particles also kill bacteria and fight harmful free radicals, making them useful for both cleaning water and potentially treating infections.

Research Keyword: heavy metal remediation