Ausschreibungen

Hias IKS will alter a biological cleaning stage to a new biological phosphor removal process (the Hias process). The sewage at Hias RA is mechanically cleaned with cellular grates, then it goes through a sand/fat trap and finally primary sedimentation before it goes for biological treatment. The alteration will start after summer 2019 and will be completed in 2021. There is a need to procure a disk filter for this alteration. The process will be based on a biofilm on a carrying medium, and the water quality that will be treated in the disk filter will be comparable with the discharge from a traditional MBBR process. After the biological process, polymer can be added to the water, as well as flocculation before separation in a disk filter. Our experience is that our high SS load and use of polymer can, at times, give challenges with sludge blockages inside disk elements and in the discharge trough. We would, therefore, like systems with adaptations that are suitable for a high SS load and the use of polymer.

Procurement of a Disk Filter — 3153 — Stage 1

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Ausschreibungen zum Thema Sewage screens