Control of the rotary calciner for soda ash production

V. M. Cristea, P. S. Agachi

Research output: Contribution to journalArticle

Abstract

The paper presents the dynamic simulation results obtained by modelling and control of the rotary calciner for sodium carbonate production by the endothermic decomposition of sodium sesquicarbonate. The calciner model with distributed parameters consists of three zones, each described by sets of PDE's: the combustion zone, the reaction zone and the disengaging zone. Dynamic responses to typical disturbances are presented and compared with industrial and literature data. As main target variable, the sodium sesquicarbonate content control at the discharge end of the calciner is investigated using different control approaches. The classical PID control and the Nonlinear Model Predictive Control (NMPC) algorithms are compared in mixed feedforward and feeback schemes. Incentives are revealed for particular control structures using feedforward NMPC, becoming also a feasible approach for the control of similar processes taking place in rotary calciners.

Original languageEnglish
Pages (from-to)463-468
Number of pages6
JournalComputer Aided Chemical Engineering
Volume10
Issue numberC
DOIs
Publication statusPublished - Dec 1 2002

Fingerprint

Ashes
Sodium
Model predictive control
Three term control systems
Dynamic response
Carbonates
Decomposition
Computer simulation

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Computer Science Applications

Cite this

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Control of the rotary calciner for soda ash production. / Cristea, V. M.; Agachi, P. S.

In: Computer Aided Chemical Engineering, Vol. 10, No. C, 01.12.2002, p. 463-468.

Research output: Contribution to journalArticle

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