Method for checking and regulating the pressure loss in a biolog

Details Method for checking and regulating the pressure loss in a biolog Method for checking and regulating the pressure loss in a biolog

1998-06-16

2000-07-04

Upton, Christopher

Liquid purification or separation

Processes

Treatment by living organism

210617, 210631, 210709, 210137, 210150, 210209, C02F 306

Patent

active

060833963

ABSTRACT:
The invention relates to a method for checking and regulating the pressure loss in a biological filter of the type comprising an immersed filter bed (2) consisting of at least one layer of granular filtration material, the said granular material layer acting as a support for a biomass used to degrade carbon-based and/or nitrogen-based pollution in water to be filtered, characterized in that it comprises a step consisting of continuously or discontinuously injecting at least one coagulating agent (1) into the said water before its entry into the said filter.

REFERENCES:
patent: 4551250 (1985-11-01), Morper et al.
patent: 4931183 (1990-06-01), Klein et al.
patent: 4954259 (1990-09-01), Elmaleh et al.
patent: 4956093 (1990-09-01), Pirbazari et al.
patent: 5582733 (1996-12-01), Desbos et al.
M. Kaiser: "Anwendung der kombinierten Floxkung bei der Fest/Flussing-Trennung in der Steinkohlenaufbereitung" Aufbereitungs-Technik, vol. 34, No. 1, janvier 1993, Wiesbaden, DE.

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