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Peer-Review Record

Maximizing Bio-Hydrogen and Energy Yields Obtained in a Self-Fermented Anaerobic Bioreactor by Screening of Different Sewage Sludge Pretreatment Methods

Processes 2024, 12(1), 118; https://doi.org/10.3390/pr12010118
by Alaa A. El-kebeer 1, Usama F. Mahmoud 1, Sayed Ismail 2, Abu Abbas E. Jalal 1, Przemysław Kowal 3,*, Hussein E. Al-Hazmi 3,* and Gamal K. Hassan 4,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Processes 2024, 12(1), 118; https://doi.org/10.3390/pr12010118
Submission received: 17 December 2023 / Revised: 28 December 2023 / Accepted: 31 December 2023 / Published: 2 January 2024

Round 1

Reviewer 1 Report

Comments and Suggestions for Authors

The previously pointed out requests were not sufficiently reflected and modified (the following contents). It is difficult to publish until it is corrected.

 

1. The paper needs to include additional details on the measurement methods for characteristics such as volatile solids (VS) and total solids (TS) mentioned in the paper.

 

 

2. Data duplication is observed in both Table 1 and Table 2, requiring the removal of redundant information.

 

3. Is there no result for the chemical composition analysis of the initial sewage sludge used as an experimental material? Such information would be crucial for interpreting changes in hydrogen yield due to pre-treatment.

 

Author Response

My replies for the reviewer number 1 are attached.

Author Response File: Author Response.docx

Reviewer 2 Report

Comments and Suggestions for Authors

Authors answered to the most of the questions and demands, and there are only few more things left to be done in order to improve the manuscript before the publication.

Comments for author File: Comments.pdf

Comments on the Quality of English Language

Minor editing.

Author Response

My replies to the reviewer number 2 are attached.

Author Response File: Author Response.docx

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