...
Previous
...
Research
...
by
...
the
...
AguaClara
...
team
...
in
...
Fall
...
of
...
2005
...
to
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Spring
...
of 2006
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2006 {float:right|border=2px solid black|width=202} !lime feeder experiment.jpg|width=200px! h5. Laboratory experimentation with the upflow suspended bed lime feeder during the spring of 2006.{float} |
The
...
lime
...
feeder
...
research
...
team
...
investigated
...
the
...
possibility
...
of
...
building
...
a
...
lime
...
feeder
...
for
...
the
...
AguaClara
...
plant
...
at
...
...
.
...
In
...
the
...
end
...
flocculation
...
at
...
Ojojona
...
was
...
successful
...
without
...
lime
...
addition
...
and
...
the
...
lime
...
feeder
...
project
...
was
...
dropped.
...
Daniel
...
Smith,
...
Fulbright
...
Scholar,
...
is
...
...
...
...
...
...
...
...
...
...
...
.
...
He
...
is
...
routinely
...
measuring
...
pH
...
and
...
alkalinity
...
of
...
the
...
raw
...
and
...
treated
...
waters.
...
From
...
Dan's
...
research
...
we
...
know
...
that
...
low
...
alkalinity
...
waters
...
are
...
common
...
in
...
Honduras
...
and
...
that
...
setting
...
an
...
appropriate
...
alum
...
dose
...
is
...
extremely
...
difficult
...
because
...
addition
...
of
...
a
...
little
...
bit
...
too
...
much
...
alum
...
consumes
...
all
...
of
...
the
...
alkalinity
...
and
...
results
...
in
...
low
...
pH
...
water.
...
At
...
low
...
pH
...
the
...
solubility of
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of {latex}\[Al\left( {OH} \right)_3 \]{latex} increases \\ |
increases
ANC control with Lime by Amy Yeh and Melina Diaconis
The following analysis needs to be reviewed and converted to analysis in MathCAD. The analysis includes cost comparisons for ANC control using lime,
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[ANC control with Lime|^ANC control with Lime.docx] by [Amy Yeh|mailto:Amy.Yeh@ch2m.com] and [Melina Diaconis|mailto:mnd25@cornell.edu] The following analysis needs to be reviewed and converted to analysis in MathCAD. The analysis includes cost comparisons for ANC control using lime, {latex}\[Ca\left( {OH} \right)_2 \]{latex} |
,
...
and
...
sodium carbonate
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carbonate {latex}\[Na_2 CO_3 \]{latex} |
.
...
The
...
mass
...
of
...
the
...
chemical
...
stocks
...
per
...
day
...
is
...
also
...
calculated.
...
...
...
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spreadsheet|^ANC control.xlsm]
{float:right|border=2px solid black|width=502}
!Coagulation zones.png|width=500px!
h5. Aluminum solubility diagram showing the importance of maintaining a circumneutral pH for flocculation.{float} |