Water Purification
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ENVIRONMENTAL SCIENCE
Water Treatment
Water Purification
The invisible battle in every glass: how water purification juggles nature and technology
8 hours ago
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Which combination of water purification methods best balances removing visible particles, killing pathogens, and minimizing chemical byproducts?
Relying solely on sedimentation to remove all contaminants
Using filtration for particles, chlorination for pathogens, and ultraviolet light to reduce chemical use
Assuming chemical treatments alone can make water safe without physical or biological processes
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ENVIRONMENTAL SCIENCE
Water Treatment
Water Purification
Invisible threats in water demand a multi-layered purification battle
8 Feb 2026
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Which combination of water purification methods best addresses both visible particles and invisible pathogens in water?
Physical filtration combined with chemical disinfection
Only physical filtration is sufficient for all contaminants
Chemical disinfection alone removes all impurities including solids
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