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Removal of highly dispersive microspheres from wastewater using modified spirulina hetero-coagulation and their application in flame retardancy
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This study developed a method to remove microsphere microplastics from wastewater using spirulina microalgae as a hetero-coagulation agent, achieving effective particle capture through natural aggregation. The recovered microplastic-algae composite was also tested as a flame retardant additive material.
There is an urgent demand to find an effective solution to microplastic pollution in water.
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Extracellular polymeric substances from Spirulina sp. for the bioremediation of fishing net–derived microplastics in seawater
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Researchers tested whether extracellular polymeric substances (EPS) secreted by the microalga Spirulina could remove polyethylene microplastics derived from fishing nets from seawater. The biological substances from Spirulina showed measurable ability to bind and aggregate the plastic particles, suggesting a natural bioremediation approach for marine microplastic pollution. This is relevant because discarded fishing nets are a major and persistent source of microplastics in the ocean.
Microplastic removal in aquatic systems using extracellular polymeric substances (EPS) of microalgae
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Researchers tested whether extracellular polymeric substances produced by microalgae could remove microplastics from water. Among four microalgae strains tested under stress conditions, Spirulina produced the most polymeric substances and formed the largest aggregates with microplastic particles. The study suggests that microalgae-based bioremediation could offer a sustainable, low-cost approach to reducing microplastic contamination in water sources.
Using Spirulina platensis as a natural biocoagulant for polystyrene removal from aqueous medium: performance, optimization, and modeling
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Researchers tested Spirulina platensis, a type of blue-green algae, as a natural coagulant for removing polystyrene microplastics from water. By optimizing conditions like pH, contact time, and dosage, they achieved significant removal of the plastic particles from aqueous solutions. The study suggests that natural biocoagulants could offer an eco-friendly approach to addressing microplastic contamination in water.
Enhanced removal of microplastic fibres using aluminium and chitosan-based coagulants assisted with microbubble technology
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Researchers tested the removal of microplastic fibers from water using aluminium-based and chitosan-based coagulants combined with sedimentation and microbubble flotation techniques. The aluminium coagulant achieved the highest removal rate of 88% through sedimentation in humic acid-containing water, while chitosan achieved 78% removal using microbubble flotation at a lower dosage. The findings suggest that the natural coagulant chitosan has potential as an effective and greener alternative for microplastic fiber removal in water treatment.
Sustainable coagulative removal of microplastic from aquatic systems: recent progress and outlook
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This review examines how natural coagulants from plants, animals, and microbes can be used to remove microplastics from water as a greener alternative to conventional chemical treatments. These bio-based coagulants, especially when combined with nanotechnology, show promising removal rates while avoiding the toxic residues left by traditional chemical approaches.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.