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Apparatus and method for automatically achieving and maintaining congruent control in an industrial boiler

  • US 5,696,696 A
  • Filed: 10/11/1994
  • Issued: 12/09/1997
  • Est. Priority Date: 10/11/1994
  • Status: Expired due to Term
First Claim
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1. An automatic control system for controlling at least two interdependent chemicals in the fluid of a continuously stirred tank reactor system having an effluent flow, said control system comprising input means for receipt of fluid parameters and control means responsive to said input means, said control means using non-proportional control for automatically minimizing the time that said at least two interdependent chemicals in the fluid spend outside of a target region, and away from a setpoint, of said at least two interdependent chemicals in the fluid without controlling said effluent flow.

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