Environmental Engineering Reference
In-Depth Information
FiguRe .
Simulation.of.a.fullerene.release.into.a.lowing.creek:.(a).distribution.of.appar-
ent.particle.diameter.with.downstream.distance..Projection.based.on.competitive.stoichiometric.
analysis.as.a.resolution.of.±10.pmol..(b).Projected.concentration.of.fullerene.in.the.creek.below.
a.theoretical.compliance.limit.of.1.µg/L.of.fullerene.under.250-nm.in.apparent.diameter.
6.4.1 s
urFaCe
w
ater
and
s
ediment
Research. on. nanotubes. in. aqueous. systems. has. been. well. documented.. Research-
ers. at. the. Georgia. Institute. of. Technology. have. investigated. the. aqueous. stability.
of.multi-walled.carbon.nanotubes.in.the.presence.of.natural.but.undeined.organic.
matter.. Because. these. nanomaterials. are. hydrophobic,. they. would. be. expected. to.
agglomerate.and.settle.from.the.water.column..However,.in.the.presence.of.natural.
