Dual response surface optimization with hard‐to‐control variables for sustainable gasifier performance

R. L. J. Coetzer, R. F. Rossouw and D. K. J. Lin

Journal of the Royal Statistical Society Series C, 2008, vol. 57, issue 5, 567-587

Abstract: Summary. Dual response surface optimization of the Sasol–Lurgi fixed bed dry bottom gasification process was carried out by performing response surface modelling and robustness studies on the process variables of interest from a specially equipped full‐scale test gasifier. Coal particle size distribution and coal composition are considered as hard‐to‐control variables during normal operation. The paper discusses the application of statistical robustness studies as a method for determining the optimal settings of process variables that might be hard to control during normal operation. Several dual response surface strategies are evaluated for determining the optimal process variable conditions. It is shown that a narrower particle size distribution is optimal for maximizing gasification performance which is robust against the variability in coal composition.

Date: 2008
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https://doi.org/10.1111/j.1467-9876.2008.00631.x

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