Research Keyword: Adsorption isotherms

Immobilization of Lead and Zinc in Tailings Sand Using a Stabilizer Synthesized from Granite Sawdust for Mine Remediation

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This research addresses the environmental problem of granite sawdust waste from stone processing and mining tailings containing lead and zinc. Scientists developed a new material called GFAS by transforming granite sawdust into a zeolite-based stabilizer that effectively traps and immobilizes heavy metals in mining waste. This sustainable approach, called waste-treats-waste, reduces the mobility of dangerous metals, protecting soil and water from contamination.

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Cellulose-Based Hydrogels for Wastewater Treatment: A Focus on Metal Ions Removal

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Heavy metal pollution from industrial activities poses serious health risks including cancer, kidney damage, and neurological problems. This review explores how cellulose-based hydrogels—soft, water-absorbing materials made from natural plant sources—can effectively remove toxic metals from contaminated water. These hydrogels are cost-effective, environmentally friendly, and can be reused multiple times, making them promising alternatives to conventional water treatment methods for industrial and municipal applications.

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Nanostructured Aerogels for Water Decontamination: Advances, Challenges, and Future Perspectives

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Aerogels are ultra-light, ultra-porous materials made mostly of air that can effectively remove toxic pollutants from contaminated water. These materials can absorb heavy metals, oil spills, dyes, and pesticides from water, offering a promising solution to global water contamination problems. Scientists are developing new types of aerogels using sustainable methods to make them more practical and affordable for large-scale water treatment applications in communities worldwide.

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Biochar Composite with Enhanced Performance Prepared Through Microbial Modification for Water Pollutant Removal

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Scientists created a special type of charcoal (biochar) by using fungi to break down agricultural waste before processing it. This fungal-treated biochar is much better at removing pollutants like dyes, antibiotics, and heavy metals from water compared to regular biochar. The material can be reused many times, making it practical and cost-effective for cleaning contaminated water.

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A new type of calcium-rich biochars derived from spent mushroom substrates and their efficient adsorption properties for cationic dyes

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Researchers developed a low-cost material called biochar from leftover mushroom growing substrates that can effectively remove harmful dyes from wastewater. By heating these spent mushroom substrates to high temperatures, they created a porous material rich in calcium that works as a powerful filter. This biochar can be used multiple times and doesn’t require expensive chemical treatments, making it practical for large-scale wastewater cleanup in textile and related industries.

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The removal of black ink via Emericella quadrilineata as a green alternative technique to recycling ink waste papers

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Researchers discovered that a fungus called Aspergillus quadrilineatus can effectively remove black ink from waste paper, offering an eco-friendly alternative to harmful chemical deinking methods. Under optimal conditions, the fungus removed 97% of ink in just 6 days by absorbing it onto its surface and breaking it down with special enzymes. This biological approach could help reduce environmental pollution from paper recycling while making the process more cost-effective and sustainable.

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