Wastewater Services
Wastewater treatment at Chemelot.
The IAZI.
Circle Infra Partners operates the Integral Wastewater Treatment Plant at Chemelot, known as the “IAZI. This biological treatment plant treats process water from more than 60 different plants at Chemelot. In addition, the IAZI also treats sewage from the buildings on the site, as well as rainwater and cooling water. Using biomass (bacteria), wastewater is treated in a complex biological process. After treatment, the treated water, also called the effluent, is safely discharged into the Ur River, a river connected to the Meuse River. This process is closely monitored to ensure that the water entering the environment meets all environmental standards and contributes to the protection of our water resources.
Water quality for humans and the environment.
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For more than 40 years, we have been committed to clean surface water and good water quality for people and the environment. The IAZI is vital to the Chemelot site. Wastewater may contain a wide range of contaminants, in micrograms per liter or lower concentrations. As operator of the Chemelot umbrella water permit, we bear the responsibility of meeting all permit requirements and operating within the established standards, with great care and every day. We are also closely monitoring the ecological effects on the Natura 2000 area of Grensmaas.
The biological treatment in the IAZI has state-of-the-art removal efficiency and is considered the “best available technology” for process water treatment. The sewer network and the IAZI are continuously monitored with in-line analytical instruments and a bio-monitor to ensure effluent quality and quantity. During incidents, emergencies or extreme weather conditions, process water is stored in temporary basins to prevent potential disruptions to the IAZI’s operations.
Forerunner in water treatment and permitting.
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Future-proof water management at Chemelot takes shape.
The transition to renewable energy and green resources cannot be separated from a sustainable approach to industrial water use. Therefore, water transition is also high on the agenda. For example, we are identifying various options for reducing water use and emissions to surface water, taking into account the stricter regulations around water permits and major process changes that will occur at the site as a result of sustainability steps.
Latest news and updates.
OASE project for sustainable water management at Chemelot
Circle Infra Partners and BLM Industrial Contracting sign agreement to launch OASE project for sustainable water management at Chemelot.
Circle Infra Partners concretizes vision with realization project in Port of Chemelot
As the owner of the infrastructure assets, Circle Infra Partners plays a leading role with projects tailored to the needs of the companies at Chemelot.
Future-proof water management Chemelot takes shape
The transition to renewable energy and resources cannot be separated from a sustainable approach to water use. Water transition is therefore high on Chemelot and Circle Infra Partners’ agenda.
Circle Infra Partners publishes report on microplastics in pursuit of water system sustainability
This report shows what efforts are already underway on sustainability and combating microplastics in wastewater.
Circle Infra Partners – A new company with a long history
On June 1, 2023, Sitech split into two independent companies: Sitech Services, which was acquired by Ebert Hera, and Sitech Holding. For Sitech Holding, this marked the beginning of a journey toward becoming an independent, ambitious company.
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