Liquid purification or separation – Filter – With movable means to compress medium
Reexamination Certificate
2005-03-29
2005-03-29
Hoey, Betsey Morrison (Department: 1724)
Liquid purification or separation
Filter
With movable means to compress medium
C210S358000, C210S391000, C210S400000, C210S402000, C210S407000, C204S648000, C204S660000, C204S665000
Reexamination Certificate
active
06871744
ABSTRACT:
A solid-liquid mixture is electro-dewatered by apparatus having a conveyor belt for receiving an electric charge and having the mixture deposited thereon and an element above the conveyor belt receiving an opposite electric charge with the conveyor belt an element cooperating to apply a compressive force to the mixture and characterised by the conveyor belt including discrete electrically conducted segments which are permeable to the liquid. The upper element is preferably in the form of a rotary drum or second conveyor belt but it can be in the form of a pressure plate.
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Johnston Barry Kenneth
Miller Sarah A
Veal Christopher
CRC For Waste Management & Pollution Control Limited
Hoey Betsey Morrison
Ladas & Parry LLP
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