State indicators of anaerobic digestion: A critical review on process monitoring and diagnosis

D Wu, L Li, Y Peng, P Yang, X Peng, Y Sun… - … and Sustainable Energy …, 2021 - Elsevier
… positive role in energy structure optimization and energy security … , and in some cases even
a total process failure. It is worth … corrective actions to prevent process instability based on the …

Anaerobic digestion: A review on process monitoring

D Wu, L Li, X Zhao, Y Peng, P Yang, X Peng - Renewable and Sustainable …, 2019 - Elsevier
monitoring of the feeding substrate will facilitate optimization … to provide early detection of
process failures, such as VFAs. … difficult maintenance procedures prevented the development …

An overview of process monitoring for anaerobic digestion

IA Cruz, LRS Andrade, RN Bharagava, AK Nadda… - Biosystems …, 2021 - Elsevier
… biogas output to avoid water entering the GC columns. The … improved the MFCs performance.
Yet, there is the necessity of … stabilising the process and achieving the optimal conditions …

Data-driven techniques for fault detection in anaerobic digestion process

P Kazemi, C Bengoa, JP Steyer, J Giralt - Process Safety and …, 2021 - Elsevier
… to ensure optimized operation and prevent failures and serious … To avoid this drawback, all
the control limits used in this paper were … Most monitoring systems fail in case of missing data. …

[HTML][HTML] Investigating the performance of internet of things based anaerobic digestion of food waste

M Logan, M Safi, P Lens, C Visvanathan - Process safety and …, 2019 - Elsevier
… reactor, in addition to the increase in retention time. This study … process failure could be
prevented in anaerobic digestion … centrally monitored decentralised anaerobic digestion system

Application of machine learning in anaerobic digestion: Perspectives and challenges

IA Cruz, W Chuenchart, F Long, KC Surendra… - Bioresource …, 2022 - Elsevier
… strategies to control the AD process to maintain process stability and predict AD performance.
… input data to reduce the search space; it employs error optimization algorithms (equivalent …

Exploring stability indicators for efficient monitoring of anaerobic digestion of pig manure under perturbations

H Sun, P Ni, I Angelidaki, R Dong, S Wu - Waste Management, 2019 - Elsevier
… is essential for achieving efficient and stable performance, … as unexpected heating or heat
preservation failure in winter, the … In the current study, we observed an immediate increase of …

A review of process parameters influence in solid-state anaerobic digestion: Focus on performance stability thresholds

A Ajayi-Banji, S Rahman - Renewable and Sustainable Energy Reviews, 2022 - Elsevier
… more waste volume and reduce pressure on water use. As of … SSAD studies to monitor and
predict reactor performance, the … review has suggested SSAD digester could fail at pH < 5.8, …

Unravelling the anaerobic digestion 'black box': Biotechnological approaches for process optimization

A Roopnarain, H Rama, B Ndaba… - … and Sustainable Energy …, 2021 - Elsevier
… automation may prevent process errors and failures, thereby … key processes involved and
could lead to system failure [27]. … AD process warrants continuous monitoring of AD systems to …

[HTML][HTML] Robust data-driven soft sensors for online monitoring of volatile fatty acids in anaerobic digestion processes

P Kazemi, JP Steyer, C Bengoa, J Font, J Giralt - Processes, 2020 - mdpi.com
… the performance of anaerobic digestion (AD) processes. In real… production rate so that the
process fails [3]. The common VFA … to increase the accuracy and reduce computation time. The …