Iron based precipitation chemicals

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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 sludge treatment. Reference products are Kemira PIX 318 and Kemira PAX XL61. Equivalent or better products can be offered. The procurement will be divided into sub-contracts for iron coaggulants and high-basal polyaluminium chloride (PAC). Tenderers can submit tenders for one product or both combined. The same requirements and award criteria apply for both products, except where…

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