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Fremdriftsrapport ved Frogn vannverk. Perioden Juni -oktober 1985. VA 15/85

Authors: Vråle, L.;

Fremdriftsrapport ved Frogn vannverk. Perioden Juni -oktober 1985. VA 15/85

Abstract

Det er utbedret en rekke feil og mangler ved Frogn vannverk siden juni -85 og det ble ikke påvist store feil ved flokkuleringstrinnet i rørflokkuleringsanlegg. Derimot ble det avslørt manglende bærelag i minst en av filtrene slik at filtersanden var gått tapt og blokkerte det ene filteret. Dette er rettet opp, men andre helt sentrale feil har lenge stått ugjort. Noen av disse er rettet opp nylig, men fortsatt står noen for tur. Oppstarting av polymerdosering og hindring av skjev belastning pluss bedret driftsoppfølging er det viktigste som nå gjenstår. For å oppnå et driftssikkert permanent renseanlegg anbefales at man bygger om for tilbakespyling med råvann, anlegger kalk- og CO2-dosering og forsøker omlegging til magnesium og kalkfelling for å fjerne restaluminiumsproblemet.

Frogn kommune

Country
Norway
Related Organizations
Keywords

driftsstabilitet, filtration, direktfiltrering, humusfjerning, removal, water treatment, direct, avløpsteknikk, humus, stability, vannrensing, operational, VDP::Matematikk og naturvitenskap: 400

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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