Real-Time Optimization of Gold Cyanidation Leaching Process in a

Mar 18, 2017 - The gold cyanidation leaching process (GCLP) has been prevalent in the hydrometallurgical industry. To better control and optimize the ...
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Real-time optimization of gold cyanidation leaching process in a two-layer control architecture integrating self-optimizing control and modifier adaptation Lingjian Ye, Aimin Miao, and Hongwei Zhang Ind. Eng. Chem. Res., Just Accepted Manuscript • DOI: 10.1021/acs.iecr.6b04801 • Publication Date (Web): 18 Mar 2017 Downloaded from http://pubs.acs.org on March 27, 2017

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δk+1

MA layer

Iteration delay

δk cs

Online optimizer

Nominal model

model output yk Jk setpoints of the lower SOC layer is adapted by the upper MA layer

Feedback controllers

c(t) H

u(t)

SOC layer

εk λkJ λkG

y(t) Modifier Process computation y J ACS Paragon Plus p,k Environment p,k

d

n

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δk+1

MA layer

Iteration delay

δk cs

Online optimizer

Nominal model

model output yk Jk setpoints of the lower SOC layer is adapted by the upper MA layer

Feedback controllers

c(t) H

u(t)

SOC layer

εk λkJ λkG

y(t) Modifier Process computation y J ACS Paragon Plus p,k Environment p,k

d

n