Method for Processing Sludge
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United States of America Patent
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app pub date -
Feb 13, 2012
filing date -
Nov 14, 2006
priority date (Note) -
Abandoned
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Abstract
This invention relates to a method for processing sludge involving the addition of a lime-based basic agent to a sludge having a first pH value in order to raise the pH to a second value higher than the first one, adding at least one anionic organic flocculating agent that is active at the second pH value, flocculating the sludge, and separating the flocculated sludge between dehydrated sludge and a liquid phase.
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