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| SMOG-GOBBLING PAINT CLEANS CITY AIR |
| European scientists have devised a paint that soaks up nitrogen oxide gases emitted by vehicle exhausts, a pollution source that can cause smog and respiratory problems. |
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| CLEANING UP WATER WITH VIRUSES |
| Australian researchers have discovered naturally-occurring viruses play a key role in toxic blue-green algal blooms, raising the possibility of biological controls to keep water supplies clean. |
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| SYNTHETIC MOLECULAR SIEVE BINDS WATER BETTER THAN ZEOLITES |
| Zeolites are an extremely important class of inorganic materials that can separate gases or liquids on the basis of molecular size and shape. The backbone of a billion-dollar-a-year industry, these molecular sieves are used in numerous applications, from the production of biodegradable detergents, to the removal of moisture from natural gas pipelines, to the catalytic cracking of heavy petroleum distillates into gasoline. |
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| MICROBIOLOGY TEAM PROBES BACTERIUM'S SURPRISING SURVIVAL TACTICS |
| A team of microbiologists affiliated with the University of Massachusetts at Amherst (UMass) has uncovered the unusual survival strategies used by a common bacterium. The finding could have implications in cleaning up contaminants ranging from petroleum to uranium. |
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| ULTRASOUND CLEANS CERAMIC FILTERS; COULD AID WATER TREATMENT |
| Engineers at Ohio State University have discovered how to clean high-tech ceramic water filters at low cost with ultrasound.
Though early in its development, this technology may one day enable water treatment plants to purify water with ceramic membrane filters instead of harsh chemicals. |
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| ENGINEERING PROFESSOR DISCOVERS A CATALYTIC PROCESS THAT COULD SAVE MILLIONS FOR PAPER MILLS |
| A catalytic process that could help paper mills save millions of dollars a year by converting a polluting by-product into formaldehyde, a useful product, has been discovered and patented by an engineering professor at Lehigh University in Bethlehem, Pa. |
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Technologies of purification
