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Sanitary and Environmental Engineering Laboratory
We drive innovation in sanitary and environmental engineering by analysing and improving wastewater treatment systems and protecting aquatic environments.
Wastewater treatment
The need to preserve and restore our aquatic ecosystems and to keep water quality high enough for other uses has led to the introduction of extensive legislation and regulations, most of which require wastewater to be discharged into the receiving environment only after undergoing a series of increasingly intensive and complex treatment processes. In response to this need, the Sanitary and Environmental Engineering Laboratory has been established.
The need to preserve and restore our aquatic ecosystems and to keep water quality high enough for other uses has led to the introduction of extensive legislation and regulations, most of which require wastewater to be discharged into the receiving environment only after undergoing a series of increasingly intensive and complex treatment processes. In response to this need, the Sanitary and Environmental Engineering Laboratory has been established.
- Special tests using new processes (pilot plant scale) for wastewater treatment, using both suspended biomass and biomass attached to a fixed support
- Studies on the manageability and biodegradability of wastewater
- Optimisation of existing wastewater treatment processes
- Development and adaptation of simulation software to control biological wastewater treatment processes
- Development of innovative processes for the treatment of urban and industrial wastewater
- Assessment of trademarked technologies with improvement analysis
- Other areas of research include sanitation and drainage systems (dry weather and rainfall) and natural aquatic systems
- Flexibility in process configuration: it allows different stages of chemical-physical and biological treatment to be combined to replicate a wide range of real-world scenario
- Real-time monitoring: continuous monitoring of key parameters such as COD, nutrients, pH, DO, REDOX, turbidity and suspended solids
- Pilot-scale testing with real flow rates: capacity to operate at flow rates of up to 3 m³/hour, enabling technologies to be validated under realistic conditions
- Transporting equipment to the field: portable control devices to monitor and adjust processes directly inside real wastewater treatment plants
The test facility has a modular structure that you can be used to set up different types of wastewater treatment processes (urban or industrial). Processes may be chemical-physical, biological or a combination of both. The control parameters that are measured continuously are as follows:
- In reactors: Flow rates, pH, conductivity, mixed liquor suspended solids, REDOX, OD, temperature, aeration flow
- In the inflow/outflow: COD, ammonia nitrogen
The testing unit can handle flow rates of up to 3 m3 per hour. The main elements of it are as follows:
- Pre-treatment module (microscreening)
- Chemical-physical process (coagulation-flocculation)
- Primary settling system
- Multichamber rack for bioreactors
- Secondary settling and recirculation system
- Air supply system
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