Environmental Engineering Reference
In-Depth Information
Titanium.dioxide.on.activated.
iber.carbon.cloth
Under.ultraviolet.light,.used.to.photochemically.degrade.
explosives.residuals.in.water.
Hexahydro-1,3,5-trinitro-1,3,5-triazine.
(RDX).ad.octahydro-1,3,5,7-tetranitro-
1,3,5,7-tetraocine.(HMX).
Bench.scale
[71]
Titanium.dioxide.ilm.on.
supporting.substrates
Upon.exposure.to.light.(<40-nm.wavelength),.generates.
hydroxyl.radical.that.oxidizes.organic.pollutants.
Bench.scale
[72]
Organic.pollutants.including.17β-
oestradiol,.atrazine,.formic.acid..Also.
destroyed.microorganisms:.
E. coli
,.
Clostridium perfringens
,.and.
Cryptosporum parvuum.
Titanium.dioxide.in.paints.and.
window.coatings
Designed.as.self-cleaning.surfaces.that.destroy.“dirt”.
when.exposed.to.light..Experiments.show.that.coatings.
can.also.destroy.air.pollutants,.including.NOx.and.
toluene..Results.for.toluene.dependent.on.humidity.
NO,.toluene
Bench-scale.
demonstration;.
paints.and.
coatings.used.
commercially
[72]
Bimetallic.palladium.catalysts
Nanoparticles.of.bimetallic.catalysts.(palladium-
alumina,.palladium-gold).on.solid.support.treat.
chlorinated.compounds.by.reductive.dechlorination.
TCE
Bench.and.pilot.
scale
[73]
Membrane-based.
nanostructured.metals.
Bimetallic.catalysts.(iron/nickel,.iron/palladium).in.
ordered.membrane.domains.to.treat.chlorinated.
compounds.by.reductive.dechlorination.
TCE,.PCBs
Bench.scale
[74]
Nanocrystalline.diamond
Boron-doped.diamond.(BDD).electrode,.coated.with.
nanocrystalline.diamond,.oxidizes.organic.
contaminants.
Various.organic.compounds,.
microorganisms.
Bench.scale
[72]
Treatment by separation
Hydrated.iron.(III).oxide.
nanoparticles.on.ion.exchange.
resin
Nanoparticles.(20-100.nm).of.iron.oxide.dispersed.
within.a.polymeric.ion.exchange.resin.remove.
contaminants.from.water.
Perchlorate,.As
Bench.scale
[75]
Composite.biosorbent.of.nano.
Fe
3
O
4
/.
Sphaerotilus natans
Biosorbent;.used.to.adsorb.heavy.metals.from.
wastewater.
Cu,.Zn
Bench.scale
[76]
