Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-02-07
1979-03-20
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 45, 210 67, 210 68, 210 73S, 210152, 110235, C02C 124, C02C 300
Patent
active
041452780
ABSTRACT:
This invention relates to a method and apparatus for use in a sewage treatment plant, and is characterized by a centrifuge for receiving material precipitated by lime in the plant and for discharging a regenerable lime sludge, the centrifuge having a centrate stream of non-regenerable sludge, and means for drying the centrate stream with hot exhaust gases from a sludge furnace.
REFERENCES:
patent: 3342731 (1967-09-01), Baumann et al.
patent: 3345288 (1967-10-01), Sontheimer
patent: 3409545 (1968-11-01), Albertson
patent: 3559807 (1971-02-01), Reilly
patent: 3623975 (1971-11-01), Cardinal, Jr. et al.
patent: 3996133 (1976-12-01), Albertson
Hart Charles N.
Hruskoci Peter A.
Nichols Engineering & Research Corporation
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