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Volume 10
Issue 1
10.3390/pr10010158
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Article
Peer-Review Record

Application of Various Machine Learning Models for Process Stability of Bio-Electrochemical Anaerobic Digestion

Processes 2022, 10(1), 158; https://doi.org/10.3390/pr10010158
by Ain Cheon 1, Jwakyung Sung 2, Hangbae Jun 1, Heewon Jang 3, Minji Kim 1 and Jungyu Park 3,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Processes 2022, 10(1), 158; https://doi.org/10.3390/pr10010158
Submission received: 30 August 2021 / Revised: 5 January 2022 / Accepted: 11 January 2022 / Published: 14 January 2022
(This article belongs to the Special Issue Bioelectrochemical System for Wastewater Treatment and Energy Recovery)

Round 1

Reviewer 1 Report

This paper provides the results of using 1-step ahead machine learning to characterize the operation of a long-term lab scale bio-electrochemical anaerobic digestion operating on variable food waste substrate. Using five R program packages, the authors evaluated the collected dataset and then used 80% of the data as a training model for 1-step ahead machine learning models. The remaining 20% of the data was used for model validation.

No major errors or omissions were found. The major concern is that the dataset and working models are not included with the draft publication. This leaves open the issue of replication and potential follow up research by 3rd parties.

It is recommended that Figure 2, Figure 3, Figure 4, Figure 5, and Figure 6 all be revised to increase both the overall size of the sub-figures and increase the font size of axes, legends, and associated overlay text.

Author Response

Thank you for your valuable comments. The authors agreed with all of your suggestion and have made revisions referring your comments. Please see our responses and revision proofs in attached file. We described your comments by green, our responses by blue, and revision proofs by red. Hope our revisions would be acceptable.

Author Response File: Author Response.docx

Reviewer 2 Report

What is the novelty and originality of this work? Which should be clarified in the introduction

None reference from the Processes journal was added, therefore it does not present relevance with this journal

Emerging trends and future prospects section should be added to the document

More discussion about that first, 1-step ahead with the retraining method should be added and compared with other cases in the literature

Therefore, I cannot recommend the submitted manuscript is published in Processes in this way.

Author Response

Thank you for your valuable comments. The authors agreed with all of your suggestion and have made revisions referring your comments. Please see our responses and revision proofs in attached file. We described your comments by green, our responses by blue, and revision proofs by red. Hope our revisions would be acceptable.

Author Response File: Author Response.docx

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