SUGROUP — эксклюзивный поставщик концерна AVK International A/Sв Украине
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SUGROUP — эксклюзивный поставщик концерна AVK International A/Sв Украине
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A comprehensive modernisation to which AVK has contributed almost 1,200 valves means that Poland's largest treatment plant now handles 435,000 m3 of wastewater a day. This has significantly improved both the efficiency of the plant and the water environment of Poland's capital Warsaw. Until recently, the Czajka Wastewater Treatment Plant, the largest in Poland located in Warsaw, only handled wastewater from one half of Warsaw and from the neighbouring town of Legionowo. The rest of the capital's wastewater was led directly into the Vistula River causing major environmental problems. After increased pressure from the EU and due to Poland's growing population, Warsaw City Council decided to modernise the Czajka Wastewater Treatment Plant. In 2008, AVK won the order to produce the valves for this enormous project – in partnership with Veolia Water and Krüger. The Czajka Wastewater Treatment Plant now not only handles all the wastewater from the two cities, but is also geared to cope with their rapidly growing populations. The plant also boasts a central, intelligent control system which ensures more efficient operation overall.
Improved handling of sludge |
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Industry Department Manager Miroslaw Kopyta from AVK Armadan, AVK’s Polish sales company, was AVK’s on-site project manager whose job it was to ensure that all products were delivered on time. Throughout the construction phase, he also worked as consultant on the technical solutions and equipment from AVK.
– After the refurbishment of the plant, particularly the handling of sludge has been improved. Previously, the Czajka Wastewater Treatment Plant led the contaminated and untreated sludge out into fields, but heat treatment now ensures that organic materials are broken down and cleaned so that both odours and volumes are significantly reduced, explains Miroslaw Kopyta.
Future-proof
For several years, the Vistula River, which runs through the metropolis of Warsaw, has been under pressure from the rapidly growing volume of wastewater from the city's 2.1 million inhabitants who produce more than 200,000 m3 of wastewater every day. But with the upgrade of the Czajka Wastewater Treatment Plant, which has been designed to handle 435,000 m3 of wastewater a day – during peak periods as much as 515,000 m3 – the local water environment has been secured for many years to come.
Intelligent control system
The comprehensive renovation project also involved a new and intelligent control system for all processes. The finished water treatment plant today employs 140 people who work in a hi-tech environment:
– We are now able to monitor all systems from the control room, and it is easy for us to locate any defects, explains Osinski Marcin from the Czajka Wastewater Treatment Plant.
1,200 AVK valves
In close competition with several of the world's largest manufacturers, AVK won the order for nearly 1,200 valves for the plant. AVK's contract consists of butterfly valves, which are mainly used for aeration, ball check valves and swing check valves for use in the pumping stations, gate valves for clean water and automatic and manual knife gate valves for use in the treatment of sludge.
The treatment plant renovation project was started in 2008, and the first two phases were completed by the end of 2010. The third and final phase of the construction was completed in April 2013.
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Facts about the Czajka Wastewater Treatment Plant
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