Water treatment method comprising topping up of ballast according to results from measurement sensor

Water treatment method comprising topping up of ballast according to results from measurement sensor

A water treatment system by means of flocculation is disclosed. The system comprises at least one inlet (1) for water to be treated, at least one flocculation tank (4) into which at least one flocculation reagent is injected via injection means (2) and a means for return of a ballast, such as fine s...

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Hauptverfasser: BEAUDET, JEAN-FRANCOIS, GUILLOT, SONIA, URSEL, VALERY, SAUVIGNET, PHILIPPE
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator BEAUDET, JEAN-FRANCOIS
GUILLOT, SONIA
URSEL, VALERY
SAUVIGNET, PHILIPPE
description A water treatment system by means of flocculation is disclosed. The system comprises at least one inlet (1) for water to be treated, at least one flocculation tank (4) into which at least one flocculation reagent is injected via injection means (2) and a means for return of a ballast, such as fine sand, via an injection means (3). A setting tank (5) is provided with means for discharging clarified water (6) as well as a zone (51) for recovering a mixture of sludge and ballast. The system also includes a re-circulation line (7) and at least one measurement sensor (11). The measurement sensor(s) (11) uses comparison means for comparing the measurement of the concentration of ballast with predetermined values. The comparison means is coupled with ballast top-up injection means (3). In use, the ballast coming from a storage means gets activated/deactivated depending upon the comparison of the measurement value with predetermined value.
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subjects CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Water treatment method comprising topping up of ballast according to results from measurement sensor
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