Patent · US Active

APC process parameter estimation

US8197753B2 · kind B2 · utility

10Cited by
33References
12Claims
0Family size

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Key dates

Filing dateNov 2, 2010
Grant dateJun 12, 2012
Priority date—
Expiry dateNov 2, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/12
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A virtual analyzer is provided to estimate either an attribute of a reactant applied during performance of, or an amount of a reactant exhausted by, a process having multiple process parameters (MPPs) that is performed to control an amount of a pollutant emitted into the air. The virtual analyzer includes an interface which receives signals corresponding to attributes of the MPPs. If the process is a wet flue gas desulfurization (WFGD) process, the signals include a signal corresponding to a measured pH level of the applied reactant. If the process is a selective catalytic reduction (SCR) process, the signals include a signal corresponding to a measured amount of the reactant exhausted by the process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.