Process for treating iron-containing waste streams
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United States of America Patent
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Issued Date -
May 1, 2008
app pub date -
Oct 26, 2006
filing date -
Oct 26, 2006
priority date (Note) -
Abandoned
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Abstract
The invention is a process for treating an iron-containing waste stream. The process comprises dividing the waste stream into a first and a second stream, then adding a neutralization agent (e.g., calcium hydroxide) to the first stream to form a partially neutralized slurry, and combining this partially neutralized first stream with the second stream to form a combined stream. The combined stream comprises ferrous chloride and metal hydroxide precipitates, which are separated.
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