Biomedical Engineering Reference
In-Depth Information
FIGURE 21.7
Clusters.of.nano-iron.oxide.crystals.used.for.arsenic.removal.
•. Lead that.leaches.from.plumbing.must.be.below.an.EPA.level.of.15.ppb..Using.the.
same.nano-enabled.media.for.arsenic,.lead.was.lowered.to.0.from.50.ppb,.and.long.
life.was.demonstrated.in.laboratory.testing.
•. Dissolved hydrocarbons .were.removed.from.oil.well.“produced.water”.using.a.new,.
high. surface. area. nanomedia. that. was. treated. to. make. it. hydrophobic.. Contact.
times.were.4.minutes..Dissolved.oil/grease.hydrocarbons.went.from.1,460.to.190.
mg/L,. as. seen. in. Figure. 21.8.. This. same. approach. may. be. useful. for. cleanup. of.
dissolved.organics.from.industrial.wastewater.
Influent
Euent
FIGURE 21.8
Example.of.a.cloudy.inluent.containing.dissolved.organics.and.the.clean.efluent..
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