Integration of NIRS and PCA techniques for the process monitoring of a sewage sludge anaerobic digester.

@article{Reed2013IntegrationON,
  title={Integration of NIRS and PCA techniques for the process monitoring of a sewage sludge anaerobic digester.},
  author={James P Reed and Desmond Devlin and Sandra R R Esteves and Richard M. Dinsdale and Alan J. Guwy},
  journal={Bioresource technology},
  year={2013},
  volume={133},
  pages={398-404}
}
This study investigates the use of Hotelling's T(2) control charts as the basis of a process monitor for sewage sludge anaerobic digestion. Fourier transform near infrared spectroscopy was used to produce partial least squares regression models of volatile fatty acids, bicarbonate alkalinity and volatile solids. These were utilised in a series of principle component analysis models along with spectral data from digestate and feedstock samples to produce a pseudo steady state model, which was… CONTINUE READING