Purchase and delivery of iron and aluminium based precipitation chemicals.

Official summary

What is being procured?

Veas has a continual and critical need for prescription chemicals for the operation of the treatment plant. The objective of the procurement is to enter into a contract for the procurement and delivery of preeminent chemicals that ensure stable and predictable supply to Veas in the next eight years. The chemicals included in this procurement are: · Iron coagulant (Fe), with an estimated volume of 2,000- 3,000 tons product per annum. · High-basal polyaluminium chloride (Al), with an estimated volume of 7,000- 9,000 tons product per annum. Altering Veas sludge treatment will probably require increased doses, but actual consumption is uncertain. The combination of iron and aluminium based precipitation chemicals is to be continued as it functions well for both further water treatment and slud