Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1977-03-29
1979-08-21
Spitzer, Robert H.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
210193, 210256, 210261, 210298, 210311, 210313, 210323T, 210332, 100116, B01D 2126, B01D 2942
Patent
active
041652835
ABSTRACT:
The present invention relates to a multi-stage, single vessel, purification system for removing solid particles from liquids.
Within the central portion of the vessel is a deceleration chamber having flow control means. About and substantially coextensive with the deceleration chamber is a filtering chamber. Depending well into the filtering chamber are a plurality of septums preferably coated with filter aid. Below the deceleration and filtering chambers is a settling chamber, and beneath the vessel is an expulsion device.
A contaminated liquid is fed into the deceleration chamber and decelerated. In this chamber the lighter solid particles rise to the top of the liquid where they are removed, while the heavier density particles settle downwardly. As the liquid moves downwardly from the deceleration chamber it essentially displaces liquid in the settling chamber upwardly into the filtering chamber. In so doing the change of direction of liquid movement also causes the heavier particles to settle downwardly. Concurrently the rising liquid in the filtering chamber passes through the septums where sufficient quantities of remaining solid contaminates in the liquid are removed to provide purified liquid ready for reuse or discharge.
The solid contaminates settling downwardly from the deceleration and filtering chambers and through the settling chamber are received by the expulsion device which removes residue liquid and compacts the solid contaminate.
Without disassembling the vessel the filter aid and contaminate on the septums are removed when necessary by hydroshock or hydropulsating means and the septums are provided with a fresh coating of filter aid.
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Weber Roland E.
Zimmermann Carl J.
Industrial Pollution Control Corp.
Spitzer Robert H.
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