Method and system for utilizing activited sludge in a...

C - Chemistry – Metallurgy – 02 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C02F 1/52 (2006.01) C02F 3/00 (2006.01) C02F 3/12 (2006.01)

Patent

CA 2601228

A method and system for treating water or wastewater to remove both soluble BOD and suspended solids. The method entails a ballasted flocculation process where a flocculant and insoluble granular material is added to the water or wastewater to be treated causing solids in the water or wastewater to aggregate around the granular material to form ballasted floc particles. In a settling zone, ballasted floc particles form settled sludge and the settled sludge is separated from clarified effluent. At some point in the process, activated sludge, in the form of return activated sludge or mixed liquor, is mixed with the water or wastewater being subjected to the ballasted flocculation process. The addition of activated sludge enables the process to remove soluble BOD.

La présente invention concerne un procédé et un système de traitement de l'eau ou des eaux usées pour en éliminer non seulement la demande en oxygène biochimique soluble mais aussi les solides en suspension. On utilise à cet effet un floculateur ballasté dans lequel on ajoute au produit à traiter un floculant et un granulat insoluble provocant la formation d'un floculat ballasté en agrégeant autour du granulat les solides du produit à traiter. Dans le décanteur, le floculat ballasté forme une boue de décantation se séparant de l'effluent clarifié. A un moment particulier du traitement, on prend des boues activées, sous forme de boues activées en retour ou de liqueur mélangée, et on les mélange au produit (eau ou eaux usées) à traiter par floculation ballastée. L'adjonction de boues activées fait que le traitement permet de supprimer la demande en oxygène biochimique soluble.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Method and system for utilizing activited sludge in a... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for utilizing activited sludge in a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for utilizing activited sludge in a... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1446111

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.