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ferric chloride

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A. GOUDA

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Sep 28, 2007, 8:48:25 AM9/28/07
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What is the advantage and disadvantage of dosing ferric chloride to
sewage water in activated sludge system?

Ishmael

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Oct 2, 2007, 9:59:19 AM10/2/07
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In article <1190983705.0...@d55g2000hsg.googlegroups.com>,
ago...@gmail.com says...

> What is the advantage and disadvantage of dosing ferric chloride to
> sewage water in activated sludge system?
>
>
We use it for phos removal and a side benifit is it helps settleability
in the secondaries. Easier to control than biological phos removal.Not
really a downside except its an additional cost. Storage and handling of
a hazardous chemical is a consideration. It will increase the pounds of
sludge you produce of course.
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