A Facile Method for Preparing UiO-66 Encapsulated Ru Catalyst and its Application in Plasma-Assisted CO2 Methanation
Round 1
Reviewer 1 Report
In my past comments, i asked to modify the paper highlighting the difference of Ru@UiO-66 system with commercial Ru/C. Authors should reply to this important point.
I copy here my past comments:
Please explain labels of Fig. 8 (DBD plasma-assisted CO2 conversion over Ru@UiO-66 and UiO-66) Products selectivity of the tested catalysts (Ru@UiO-66 and UiO-66) is not surprising since the active site for CO2 methanation is Ruthenium. For this reason authors should compare the results of Ru@UiO-66 system with some commercial Ru based catalyst (Ru/C for example) or (even better) with an analogous ru-based catalytic system obtained after impregnation of UiO-66. It is not clear to metal loading for Ru@UiO-66.
Finally, the paper is very concise. I therefore suggest to transform in a “Short Communication”.
Author Response
Please see the attachment.
Author Response File: 
Author Response.pdf
Reviewer 2 Report
The manuscript is properly revised.
Author Response
Thank you for your positive comments.
Round 2
Reviewer 1 Report
Authors full address raised points. Paper can now be accepted for publication.
This manuscript is a resubmission of an earlier submission. The following is a list of the peer review reports and author responses from that submission.
Round 1
Reviewer 1 Report
1) In Figure 1, authors draw the structure of Ru@UiO-66. Theoretically, authors can calculate the atomic % (or weight %) of Ru of Ru@UiO-66.
Is it well matched with authors' ICP data (Ru contnet is 2.83 wt%.).
Please discuss the proposed structure of of Ru@UiO-66 with relevance to ICP data.
2. Main application of this paper is catalytic property. Authors only represent the catalytic property of Ru@UiO-66 in terms of conversion (Fig. 8). Authors need to estimate catalytic properties by quantitative method.
It should be presented using TOF value. TOF should be compared to literatures.
3. I think that Ru@UiO-66 is a new compound. If it is like that, TEM (EDX, HRTEM) and EELS (if possile) should be required.
Reviewer 2 Report
In this contribution it is reported the preparation of Ru NPs encapsulated in UiO-66 metal-organic framework via a solvothermal method.
Ru@UiO-66 catalyst was characterized by XRD, FTIR, TGA, SEM and XPS analysis and its catalytic activity was tested in the plasma-assisted catalytic CO2 methanation.
The part of the paper related to the synthesis and characterization of Ru@UiO-66 catalyst is quite solid, however, authors should give more details on catalytic tests.
Some points:
Please explain labels of Fig. 8 (DBD plasma-assisted CO2 conversion over Ru@UiO-66 and UiO-66) Products selectivity of the tested catalysts (Ru@UiO-66 and UiO-66) is not surprising since the active site for CO2 methanation is Ruthenium. For this reason authors should compare the results of Ru@UiO-66 system with some commercial Ru based catalyst (Ru/C for example) or (even better) with an analogous ru-based catalytic system obtained after impregnation of UiO-66. It is not clear to metal loading for Ru@UiO-66.
Finally, the paper is very concise. I therefore suggest to transform in a “Short Communication”.
