Ultrafiltration for water treatment plant, TP 54/24
Buyer: HSY Helsingin seudun ympäristöpalvelut -kuntayhtymä
- Published
- 27 June 2024
- Place of performance
- FI1B1
- Procedure
- Negotiated procedure
- Lots
- 1
- Documents
- 1
- Notice number
- 00380685-2024
- Reference
- 84736f86-9a37-48f8-a0eb-a1121ede806c
- Official source
- Official source
CPV codes
- 42910000Aparatos de destilación, filtración o rectificación
Description
For research and treatment process development purposes Helsinki Region Environmental Services (later also "client" or "HSY") is in the process of acquiring an ultrafiltration (UF) unit to be retrofitted in an existing sand filter for Pitkäkoski water treatment plant (WTP). Long-term goal for the ultrafiltration pilot is to evaluate ultrafiltration paired with chemical precipitation as a primary natural organic matter (NOM) removal method when purifying cold surface water. Membrane performance and water quality is compared to that of a clarification and sand filtration. Purchased UF process will be preceded by a separate chemical dozing and flocculation unit to ensure effective NOM removal and membrane applicability in variable conditions. Different precipitation chemicals will be used, but the choice of chemicals and applied dose can be discussed with membrane supplier. In principle, the UF unit would be built in one of the existing sand filter pairs: one of the filters will be used for chemical dozing and flocculation, while the other one is reserved for UF units. Plant block flow diagram is shown in a following picture and sand filters are pointed with a green square. The main…
Award criteria
- Price — Price
Official publications
- TED · 00380685-2024 · 27 June 2024
- OJS · 124/2024 · 27 June 2024
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Frequently asked questions
- Who is the buyer of this tender?
- The contracting authority is HSY Helsingin seudun ympäristöpalvelut -kuntayhtymä (European Union).
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