USE OF FLOTATION FOR SEPARATION AND THICKENING OF BALLASTED SLUDGE
A method of treating wastewater comprises performing biological treatment of the wastewater to generate a sludge, adding a ballasting agent to the sludge to form a ballasted sludge, and performing solid-liquid separation of a first portion of the ballasted sludge using a dissolved air flotation proc...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A method of treating wastewater comprises performing biological treatment of the wastewater to generate a sludge, adding a ballasting agent to the sludge to form a ballasted sludge, and performing solid-liquid separation of a first portion of the ballasted sludge using a dissolved air flotation process to form a solids-rich concentrated sludge and a solids-lean effluent. |
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