Measure
Online instruments characterise incoming water quality.
See the change. Predict the demand.
A feed-forward approach to coagulant-dose control, developed around the water coming into your process.
The intelligence behind Compass
Water data. A clearer decision.
Compass brings online measurements and a site-specific algorithm together to calculate coagulant demand.
Incoming water qualityCalculated dose
Changing conditions over timeIllustrative relationship · not site performance data
Predict
A site-specific algorithm translates the measurements into coagulant demand.
Control
A calculated dose output supports the agreed plant control arrangement.
At the water works
See beyond the sensor.
A clear control decision connects the measurement to the process around it.
Software shaped around your process
From a signal to a strategy.
The value is in the relationship between the measurements, the model and your treatment objective.
Explore the technologyInputsIncoming water measurements
Bring together the online water-quality and process measurements agreed for the treatment duty. PMA reviews their location, units and history for the site.
Compass algorithmSite-specific dose prediction
A relationship developed from process evidence translates changes in incoming water into a predicted coagulant demand. The treatment objective shapes the model.
OutputCoagulant-dose control
The calculated dose feeds the agreed plant control arrangement. Control limits, the existing dosing approach and operator responsibilities are reviewed before handover.
Compass data / illustrative interface
See the signal. See the decision.
Read incoming turbidity and dissolved organic carbon (DOC) alongside the calculated dose. In this example, the dose responds to rising organics even while turbidity falls.
Incoming turbidity06.8NTU · demo value
Incoming DOC05.2mg/L · demo DOCeq
Calculated dose38.4mg/L · demo value
Incoming turbidityIncoming DOCCalculated dose
EarlierTime →Now
Illustrative UI only. Fictional values; trends use separate relative scales. DOC is shown as an optical equivalent (DOCeq). Site-specific calibration and validation are required.
From measurement to a dosing decision.
Online instruments characterise the incoming water. A site-specific algorithm uses these measurements to calculate a coagulant-dose output. Compass EOR adds treated-water feedback to trim that prediction.
Measure
Characterise incoming water quality using the measurements agreed for the application.
Predict
Use a site-specific relationship between the incoming water and coagulant demand.
Control
Provide a dose output within the agreed plant control arrangement.
Refine
For Compass EOR, use treated-water feedback to trim the feed-forward prediction.
Control that starts
with understanding.
Measure the change. Predict the demand.
Online water-quality measurements feed a site-specific algorithm, translating incoming changes into a coagulant-dose prediction.
Discover moreA clearer starting point
Your questions,
answered.
How is feed-forward control different?
Feed-forward control uses measurements of incoming water quality to calculate a dose before changes pass through treatment. A site-specific algorithm relates those measurements to coagulant demand.
Which Compass model should we consider?
Compass and Compass EOR cover drinking-water duties. Compass CPR and Compass CEP cover distinct wastewater duties. PMA can review your treatment objective, existing process and available measurements.
Does every installation use the same instruments?
The instrumentation and integration depend on the system generation and the site. A configuration review establishes the sensors, control signals, communications and installation arrangement for your project.
Can we use our existing plant measurements?
Share the instruments, signals and control arrangement already available at your site. Compatibility and the measurements required for your application need to be reviewed for the proposed configuration.
