Environmental remediation – Page 2

Optimization of the Decolorization of the Reactive Black 5 by a Laccase-like Active Cell-Free Supernatant from Coriolopsis gallica

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Textile factories produce large amounts of colored wastewater containing harmful dyes like Reactive Black 5. Researchers optimized an enzyme-based treatment using laccase from a fungus called Coriolopsis gallica to remove these dyes from water. By carefully balancing enzyme concentration, pH, temperature, and a chemical booster called HBT, they achieved 82% dye removal in just 2 hours, offering a cleaner and more environmentally friendly alternative to traditional chemical treatments.

Exploring the Potential of Fungal Biomass for Bisphenol A Removal in Aquatic Environments

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Researchers discovered that mushroom fruiting bodies can effectively remove bisphenol A (BPA), a harmful plastic component, from water. Five mushroom species were particularly efficient, removing between 72-82% of BPA from solutions. The mushroom biomass works best at room temperature and neutral pH, can be reused multiple times after treatment with ethanol, and could potentially clean enormous volumes of contaminated water using small amounts of material.

Extended Environmental Multimedia Modeling System (EEMMS) with Analytic Hierarchy Process for Dual Evaluation of Energy Consumption and Pollutants in Solid Waste

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This study examined how landfill leachate pollution spreads through groundwater toward Canadian territory. Scientists used computer models to track the movement of organic matter (BOD) over 20 years from the CFSWMA landfill. The findings showed that while some contamination reaches the Canadian border, concentrations decrease along the way. The research recommends installing barriers to block pollutants and proposes a balanced approach considering both environmental safety and energy efficiency in waste management.

The beauty and the morbid: fungi as source of inspiration in contemporary art

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This article explores how artists are using fungi and fungal science as inspiration and material for contemporary artwork. From clothing made of mycelium to installations exploring decay and renewal, artists are discovering that fungi offer unique possibilities for addressing modern environmental and social issues. The paper highlights how collaboration between artists and scientists can lead to innovative solutions and new ways of thinking about materials, sustainability, and the relationship between life and death.

High Potential Decolourisation of Textile Dyes from Wastewater by Manganese Peroxidase Production of Newly Immobilised Trametes hirsuta PW17-41 and FTIR Analysis

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This research shows that a fungus called Trametes hirsuta can effectively clean textile industry wastewater by breaking down colorful dyes that pollute the environment. The scientists attached the fungus to nylon sponges and optimized the treatment conditions to achieve over 95% color removal within just two days. The fungus produces special enzymes, particularly manganese peroxidase, that degrade the harmful dyes into safer substances, and the system can be reused repeatedly for continuous wastewater treatment.

The effect of calcium on the removal of Cd2+ in the formation of biogenic secondary iron minerals

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Acid mine drainage from mining operations contains toxic cadmium that pollutes water supplies. This research shows that naturally occurring bacteria (Acidithiobacillus ferrooxidans) can help remove cadmium by forming iron minerals. Adding calcium and potassium ions together significantly improves this process, with cadmium being trapped in mineral precipitates rather than just adsorbed to surfaces. This biological approach offers a practical and sustainable method for treating contaminated mining water.

Fungal biodegradation of chlorinated herbicides: an overview with an emphasis on 2,4-D in Argentina

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Fungi can effectively break down and remove harmful herbicides like 2,4-D, which is widely used in Argentine agriculture but poses health and environmental risks. Through their powerful enzymatic machinery, certain fungal species can degrade these toxic chemicals into less harmful substances. This review examines how these fungal degradation processes work and discusses how such fungi might be safely introduced into contaminated environments to clean them up, following Argentina’s regulatory requirements.

Influence of pH on the biodegradation efficiency of fats, oils, and grease by biosurfactant-producing bacterial consortia

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Grease buildup in kitchen pipes and sewers causes blockages and infrastructure damage. This research found that a combination of two bacteria can effectively break down fats and oils much better at acidic pH levels, particularly at pH 4. The bacteria produce natural surfactants that help dissolve the grease and special enzymes that degrade it into smaller molecules. This discovery suggests that making wastewater slightly more acidic could significantly improve grease removal in treatment systems.

Efficacy of Indigenous Bacteria in the Biodegradation of Hydrocarbons Isolated from Agricultural Soils in Huamachuco, Peru

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Researchers in Peru identified four types of bacteria from agricultural soil that can break down diesel and other hydrocarbon pollutants. One strain, Pseudomonas protegens, was particularly effective, removing over 91% of hydrocarbons in 10 days. This discovery offers a natural, cost-effective way to clean contaminated soil without using harsh chemicals, which could help protect both human health and the environment.

Natural-selected plastics biodegradation species and enzymes in landfills

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Landfills contain billions of tons of plastic waste that can take centuries to decompose naturally. This research discovered that landfill microorganisms have evolved to break down plastics through natural selection. Using advanced computer analysis of microbial DNA, scientists identified thousands of potential plastic-degrading enzymes that could be engineered for industrial applications to help clean up plastic pollution.

therapeutic action: Environmental remediation