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Fibrous super-bridging agents simultaneously improve contaminants removal and sludge dewatering via a very compact three-in-one process
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Researchers developed a compact three-step water treatment process using fibrous bridging agents that simultaneously removes contaminants — including nanoplastics and microplastics — and dewaters sludge more efficiently than conventional methods. This streamlined approach could make clean water treatment more accessible for small towns and underserved communities in developing countries.
A compact three-in-one water treatment process, combining a flocculant, a fibrous super-bridging agent, and a screen-based floc retention system, simultaneously improves water treatment and sludge dewatering. The presence of fibrous materials allows for the formation of very large flocs, efficient floc separation via screening (without settling), and sludge dewatering through a compact press-filter system. The implementation of this three-in-one process is possible due to the formation of very large fiber-based flocs. The sludge containing fibers was subsequently dewatered using a screen-based press filter without further chemical addition. The use of fibers also significantly improved the removal of total organic carbon, nanoplastics, and microplastics. This three-in-one process could be used for decentralized water treatment in drinking water and wastewater applications in small cities, marginalized communities, and developing countries. The compact process, which also performs sludge dewatering, would reduce the risks associated with mismanaged sludge to the environment and human health.
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Researchers developed fiber-based materials that act as super-bridging agents in water treatment, creating much larger flocs than conventional coagulants alone and improving the removal of plastic particles, phosphorus, and natural organic matter. The materials reduced coagulant and flocculant usage by up to 40-60%, lowering both costs and chemical footprint.
Super-bridging Fibrous Materials for Water Treatment: Impacts on Removal of Plastic Particles, Phosphorus and Natural Organic Matter
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Researchers developed fiber-based materials that act as super-bridging agents in water treatment, creating much larger flocs than conventional coagulants alone and improving the removal of plastic particles, phosphorus, and natural organic matter. This entry appears to be a duplicate of paper 60960 from the same study.
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