Graphical controller for monitoring multiple chemical feed...

Details Graphical controller for monitoring multiple chemical feed... Graphical controller for monitoring multiple chemical feed...

2008-02-29

2011-11-01

England, Sara (Department: 2172)

Data processing: presentation processing of document, operator i

Operator interface

On-screen workspace or object

C715S772000

Reexamination Certificate

active

08051383

ABSTRACT:
The graphical controller provides a graphic user interface for monitoring and managing multiple chemical feed constituents, and displays a breakpoint curve specific to water being treated and a given ammonia set point, based on operator input and data from measurement of total chlorine, free chlorine, monochloramine, combined chlorine, ammonia residual, and the like. The graphical interface determines where on the curve the process is, provides immediate visual feedback to the water treatment operator and allows control of chlorine and ammonia feed rates to a fixed or new chloramination and ammonia set point.

REFERENCES:
patent: 6315950 (2001-11-01), Harp et al.
patent: 6592736 (2003-07-01), Fulton et al.
patent: 6881583 (2005-04-01), Kahle
patent: 2003/0232447 (2003-12-01), Kahle
Bernie Beemster et al.; “Strategies of Using an Online Analyzer for Water Chloromination Process Monitoring and Control”; ASA Publication No. 191; Published in WaterWorld, May 2009; pp. 1-4.

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