Liquid purification or separation – Constituent mixture variation responsive
Reexamination Certificate
2005-11-15
2005-11-15
Hruskoci, Peter A. (Department: 1724)
Liquid purification or separation
Constituent mixture variation responsive
C073S054310, C210S138000, C210S143000, C210S145000
Reexamination Certificate
active
06964737
ABSTRACT:
Systems and methods for polymer addition control for sludges from water and wastewater treatment. In a treatment process where flocculating agents are used to promote solids aggregation, intrinsic physical properties of the liquid rich stream following separation may be continuously measured in order to control or optimize the amount of flocculating or treatment agent that is added to the process. These intrinsic physical properties may include, for example, the flocculating suspension or network strength. By determining the floc strength using various treating agent dosages, a optimum treating agent dose can be determined. The optimum treating agent dosage is the minimum in a floe strength to polymer dose curve.
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Abu-Orf Mohammad
Ormeci Banu
Duke University
Hruskoci Peter A.
Lowrie Lando & Anastasi, LLP
Stranco, Inc.
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