Abstract
A colloid comprises a sulfone polymer. The colloid may be used as a replacement for activated carbon or charcoal in water purification systems. Unlike activated carbon, the colloid is advantageously regenerated chemically and reused.
| Original language | English (US) |
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| U.S. patent number | 6669851 |
| Filing date | 11/26/01 |
| State | Published - Dec 30 2003 |