wastewater treatment – Page 4

Iron-Modified Alkaline Lignin Chitosan Aerogel Microspheres for Sb(III) Removal in Water

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Researchers developed a new material made from iron, lignin (a plant-derived substance), and chitosan that can effectively remove poisonous antimony from contaminated water. When tested, this material successfully removed over 95% of antimony from water samples and could be reused multiple times. The material works by creating chemical bonds with antimony molecules, trapping them on its surface. This environmentally friendly solution could help treat industrial wastewater containing multiple types of heavy metals.

Characteristics of Aniline Aerofloat Biodegradation in Mineral Processing Wastewater and Energy Recovery by Single-Chamber Bioelectrochemical System: Strategies for Efficiency Improvement and Microbial Mechanisms

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This study demonstrates that microbial fuel cells can effectively treat mining wastewater containing aniline aerofloat, a toxic organic chemical, while simultaneously generating electricity. By optimizing conditions such as pH and electrical resistance, the system achieved over 72% removal of the contaminant. Specific bacteria enriched in the fuel cell anode proved instrumental in breaking down this complex compound, offering a promising sustainable solution for mining industry wastewater management.

The Production of Biochar and Its Impact on the Removal of Various Emerging Pollutants from Wastewater: A Review

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Biochar is a charcoal-like material made from plant and animal waste through a heating process called pyrolysis. This material acts like a sponge that can trap harmful pollutants from contaminated water, including heavy metals, medicines, and pesticides. Scientists have developed various ways to improve biochar’s cleaning power, making it an affordable and environmentally friendly solution for purifying water.

Microbial communities in petroleum refinery effluents and their complex functions

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Oil refineries produce large amounts of wastewater containing harmful petroleum products and heavy metals. Instead of using toxic chemical treatments, scientists are discovering that microorganisms naturally found in this wastewater—including bacteria, fungi, algae, and yeast—can break down these pollutants safely and effectively. These microbes can degrade oil hydrocarbons, remove heavy metals, and produce natural surfactants that help in the cleanup process, offering an environmentally friendly and cost-effective solution to refinery pollution.

Biosorption of cesium and strontium from aqueous solution by Aspergillus flavus biomass

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This research demonstrates that dead fungal biomass from Aspergillus flavus can effectively remove radioactive cesium and strontium from contaminated water, offering an affordable and environmentally friendly alternative to traditional treatment methods. The fungus shows excellent ability to capture strontium ions (90% removal) and can be reused multiple times by treating it with nitric acid. This finding is particularly relevant following nuclear accidents like Fukushima and provides a sustainable solution for treating radioactive wastewater from nuclear facilities.

Enhanced biodegradation of fluorinated pharmaceutical by Aspergillus flavus and Cunninghamella elegans biofilms: kinetics and mechanisms

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This research shows that two types of fungi—Aspergillus flavus and Cunninghamella elegans—can effectively break down commonly prescribed medications found in wastewater through biofilm formation on foam carriers. The fungi degrade these drugs through enzymatic action rather than absorption, removing 85-99% of the pharmaceuticals within days. This discovery offers a promising, cost-effective biological treatment for cleaning wastewater from hospitals and pharmaceutical factories, potentially protecting aquatic environments from drug pollution.

Nicotine Degradation by Trametes versicolor: Insights from Diverse Environmental Stressors and Wastewater Medium

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Scientists tested whether a type of fungus called Trametes versicolor could break down nicotine pollution in wastewater. They found that the fungus successfully removed 80-99% of nicotine, especially when grown at comfortable temperatures (25°C) and neutral pH levels in wastewater-like solutions. This research suggests fungi could offer an affordable, environmentally-friendly way to clean up nicotine contamination in water systems, which is important since traditional wastewater treatments don’t completely remove nicotine.

Application of Modified Spent Mushroom Compost Biochar (SMCB/Fe) for Nitrate Removal from Aqueous Solution

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This research developed a new material made from leftover mushroom compost mixed with iron to clean water polluted with nitrate, a common problem in farming areas. The material works by attracting and trapping nitrate particles, and when tested, it successfully removed up to 19.88 mg of nitrate per gram of the material used. The best results occurred at neutral pH levels and after two hours of contact time. This affordable, environmentally friendly solution could help communities improve their water quality without expensive chemical treatments.

Electricity generation and oxidoreductase potential during dye discoloration by laccase-producing Ganoderma gibbosum in fungal fuel cell

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Scientists used a special fungus called Ganoderma gibbosum to clean contaminated water and generate electricity at the same time. The fungus produces an enzyme called laccase that breaks down textile dyes while the fuel cell converts the chemical energy into electrical power. This eco-friendly technology could help industries treat wastewater while producing clean energy, offering a sustainable alternative to traditional chemical treatment methods.

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 Topic: wastewater treatment