Water management

EDS® Water Management is a modular learning system that presents the core processes in water treatment and wastewater treatment plants, integrated into the water cycle from the source to the wastewater treatment plant and back.

Thanks to its industry-based design, EDS® Water Management can be used to teach the principles behind the production of drinking water, water transport and wastewater treatment. It offers a compact introduction to instrumentation and control technology.

Winner of the 2016 Worlddidac Award, the learning system EDS® Water Management is an innovative training solution that comprehensively prepares students for a career in water management.

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Water treatment station

• The station is fully assembled, wired and ready to use
• Water treatment system with basic functions in the form of a water reservoir with overflow edge
• A groundwater tank with a submersible pump is required for operation
• Setting flow rate values for volume control
• Level measurement via analogue pressure gauge
• Level sensing via capacitive proximity sensors
• Triggering a flocculation reaction by adding a flocculant
• Occurrence of sedimentation

Water supply station

• The station is fully assembled, wired and ready to use
• Water storage and distribution via an elevated tank, e.g. a water tower
• Filling the elevated tank via a pump
• The pump can be operated in open-loop and closed-loop mode
• Water is drawn off via valves
• Balancing the amount of incoming water with the amount of delivered water; handling leaks
• A water supply tank/ground water is required for individual operation.

Wastewater transport station

• Control technology for wastewater disposal and associated processes
• The plastic granulate that is used as dirt particles can be air dried and reused.
• Realistic simulation of flooding caused by rain and of problems removing solids
• A flow meter records the flow rate, which is set via the pump's motor control system or a proportional media valve
• The media valve operates based on the principle of a pneumatically activated pinch-hose valve
• The station is fully assembled, wired and ready to use
• A water supply tank/ground water is required for individual operation.

Wastewater treatment station

• Analysing the physical functions in wastewater treatment after activated sludge treatment
• Contains an aeration tank and a secondary clarifier.
• Plastic granulate which serves as dirt particles can be air dried and reused after use.
• The sludge return has a flow measurement system with an adjustable pump for setting and monitoring the sludge return ratio.
• The supply of oxygen at the station is carried out using an electrically adjustable compressed air diaphragm pump. It is possible to extend the oxygen feeding system to a control circuit with the aid of an oxygen sensor.
• In order to guarantee energy-optimised oxygen feeding, in-line oxygen measurement must be carried out and connected to the oxygen feeding drive in a control circuit. Unnecessary energy consumption as well as potential biochemical malfunctions can then be avoided.
• By regularly adding sodium sulphite (Na ₂ SO ₃ ) to the water, the oxygen consumption is continuous and thus simulates the oxygen demand of the bacteria that decompose organic matter in a real biological wastewater treatment process.

Sand filtration station

• Filtration process for separating solids frequently used in water purification and wastewater technology
• Sand layers for the retention of pollutants via deep-bed filtration
• Sensors monitor rising water levels until the sensor signal shuts off the inflow and initiates the backwash process.
• The parameterisation of the filtration process is configured via PC using the software supplied.
• A transparent filter housing allows students to monitor the purification performance of the quartz sand and quartz gravel layer.
• The station is fully assembled, wired and ready to use
• Includes water supply tank/ground water

Membrane filtration station

• Drinking water and wastewater treatment via micro- and ultrafiltration.
• Retention of pathogenic germs
• Differences between the cross-flow and dead-end filtration modes
• Backwash processes using previously generated system filtrate
• Pressure holding test of membrane functionality
• The station is fully assembled, wired and ready to use

Fully equipped basic water circuit system – four stations in one!

• Contains all the necessary water supply and disposal stations: water purification, water supply, wastewater transport and wastewater treatment.
• Stations can also be used independently as individual stations.
• The students first control the individual stations manually using a simulation box.
• The included EasyPorts are then used to control and observe the stations via the control software.
• A PC connected to all four EasyPorts controls the entire system.
• The basic system stations are fully assembled, wired and tested.
• A water supply tank/ground water is required for individual operation.