Sabesp is a mixed capital company that was founded in 1973 and is currently responsible for supplying water and collecting and treating sewage in 367 of the 645 municipalities in São Paulo State in Brazil. It is considered one of the world’s largest sanitation companies in terms of population served. It supplies 27.7 million people with water and provides sewage collection services to 21.2 million people. ACQUASYS has been Amiad’s distributor in Brazil since 2009. Acquasys, was contracted by Sabesp, through a public tender, to supply and install a complete water reuse system in Barueri plant. The scope was to replace the existing system based on sand filters which have very low efficiency.
2 x 8 x 4" Galaxy batteries
100 micron + 20 micron
The challenge was to provide a solution that complies with the standards for reuse water required by SABESP. The existing system was based on sand filters with very low production and very high TSS in the reuse waters, jeopardizing some of the reuse water applications. One additional issue was that the plant was built during a period of water scarcity in São Paulo State and it wasn't possible to use potable water in the plant during the installation. An additional challenge was dismounting the old system and mounting the new filtration system without stopping the plant.
The solution proposed by ACQUASYS was to install 2 Galaxy Spin Klin™ filters in a series (100 and 20 microns) in order to filtrate wastewater from secondary decanters and achieve the required quality for reuse water. Included in the installation supplied were:
The filtration system has been successfully installed, providing a much better quality of the final reuse water. SABESP intends to apply this solution in other waste water plants.
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