Patent ID: 8051383

Claim:
A graphical chemical feed controller for monitoring multiple chemical feed constituents for a chemical treatment plant, comprising: a computer having a memory with program instructions, which are executed by a processor; a display in communication with the processor and configured for displaying a plurality of chemical feed related parameters; a display interface for enabling the user to cause said display to initiate a display of a menu of said plurality of chemical feed related parameters; and an input interface in communication with the processor and configured for enabling the user to selectively assign values for the chemical feed related parameters in the menu; wherein the processor is further configured for causing said display to display a real time graphical representation of said plurality of chemical feed related parameters along a graphical illustration of a breakpoint curve for the chemical treatment plant calculated from measured values and assigned values of the chemical feed related parameters, and wherein the graphical representation of the breakpoint curve further comprises a plot of a current combined chlorine measurement.