Water Treatment Technology
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Fos
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SCIENCE
Water Treatment Technology
Nanofiltration
Nanofiltration's selective pores transform water treatment by balancing purity and mineral retention
5 days ago
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What is a key advantage of nanofiltration membranes compared to reverse osmosis membranes in water treatment?
They completely remove all dissolved salts from water, making it pure like distilled water.
They selectively remove larger ions and organic molecules while allowing smaller monovalent ions to pass, reducing energy use.
They use larger pores than microfiltration, allowing more contaminants to pass through.
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ENVIRONMENTAL SCIENCE
Water Treatment Technology
Membrane Fouling
Membrane fouling can silently cripple water treatment plants, forcing costly shutdowns and cleanings
9 days ago
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What is the primary consequence of membrane fouling in water treatment systems?
It improves water quality by trapping more contaminants on the membrane surface.
It only affects the membrane temporarily and does not require cleaning or replacement.
It causes a decline in filtration performance and increases operational costs due to cleaning or replacement needs.
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ENGINEERING
Water Treatment Technology
Ultrafiltration Membrane System
Membranes that filter out viruses and bacteria without chemicals revolutionize water purification
13 days ago
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What is the primary mechanism by which ultrafiltration membranes separate substances in a solution?
Size exclusion through semipermeable membranes using pressure or concentration gradients
Chemical reactions that break down contaminants
Simple mechanical sieving based on visible particle size
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