Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment
Patent
1994-10-24
1996-12-31
Hruskoci, Peter A.
Liquid purification or separation
With means to add treating material
With distinct reactor tank, trough or compartment
210 961, 210207, 210521, C02F 152
Patent
active
055890644
ABSTRACT:
A method and apparatus for liquid solid separation of liquid effluents or wastewater containing pollutant particles in a suspension. A vessel defining a reactor for receiving and containing a flow of the liquid effluent or wastewater has an inverted lower distribution cone defining a coagulation zone into which the flow is injected toward the apex of the cone at the bottom of the reactor to provoke an intense mixing of the polluted or contaminated liquid with a water-soluble chemical alkaline agent added to the injected flow externally of the reactor as required to control the pH of the injected liquid. The reactor has a wider volume above and contiguous with the lower coagulation zone and is dimensioned for effectively defining a flocculation zone, and an upper part of the reactor defines a turbulence-free volume above the flocculation zone and contiguous therewith for settling of flocculant comprising the coalesced contaminant particles and the separation of solids and liquids. The water-soluble chemical alkaline-agent is added intermittently to the flow externally of the reactor as required to control the pH of the liquid. At least one probe sensor is provided to intermittently instruct an external source of the water-soluble chemical the amount of alkaline-agent to be added to the inlet flow being injected as a function of the pH detected by the pH sensor.
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Green Theodore M.
Hruskoci Peter A.
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