wastewater treatment by magnetic nan
TRANSCRIPT
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16%
36%
48%
human uses industrial agricultural
Data obtained from Authority of Palestinian Water 2010.
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Difference between activated carbon and
magnetic nanoparticles 15
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External adsorption (fast adsorption) Internal adsorption (slow adsorption)
Easy and fast separation (by magnetic
field)
Slow separation (waiting to
sedimentation)
Available (Iron is everywhere) Expensive
Reusable (catalyst, recycling by
desorption)
Difficult recycling
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pH 6.8
Exit
Temperature 25 oC
COD (ppm) 2582.9
TOC (ppm) 750
Cr+2 (ppm) 0.0513
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0
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0.04
0.05
0.06
pp
m
Cr+2
Before
After
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pp
m
TOC
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