On-line adaptive and nonlinear process monitoring of a pilot-scale sequencing batch reactor.

Abstract:

:This article describes the application of on-line nonlinear monitoring of a sequencing batch reactor (SBR). Three-way batch data of SBR are unfolded batch-wisely, and then a adaptive and nonlinear multivariate monitoring method is used to capture the nonlinear characteristics of normal batches. The approach is successfully applied to an 80 L SBR for biological wastewater treatment, where the SBR poses an interesting challenge in view of process monitoring since it is characterized by nonstationary, batchwise, multistage, and nonlinear dynamics. In on-line batch monitoring, the developed adaptive and nonlinear process monitoring method can effectively capture the nonlinear relationship among process variables of a biological process in a SBR. The results of this pilot-scale SBR monitoring system using simple on-line measurements clearly demonstrated that the adaptive and nonlinear monitoring technique showed lower false alarm rate and physically meaningful, that is, robust monitoring results.

journal_name

Environ Monit Assess

authors

Yoo CK,Lee IB,Vanrolleghem PA

doi

10.1007/s10661-005-9030-7

subject

Has Abstract

pub_date

2006-08-01 00:00:00

pages

349-66

issue

1-3

eissn

0167-6369

issn

1573-2959

journal_volume

119

pub_type

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