Catalytic Hydroisomerization of Long-Chain Hydrocarbons for the Production of Fuels
Round 1
Reviewer 1 Report
The matter of the research seems to be very interesting, but there are some errors in the reviewed paper. Before publishing, authors should make some corrections on their manuscript.
· All Figures have been pasted from the original articles. I think that the authors should standardize them in terms of size and font.
· Figure 3: I think that this Figure should be redrawn in the appropriate program. In addition, I would like to know what the numbers (1), (2) mean.
· Sentence in lines 115-118 is incomprehensible. Could you correct it?
· In tables some columns were written with a capital letter and some with a small letter. Please harmonize this.
· Figure 13: there are two charts in different size. There are also no graph symbols, which is a and which is b.
· Figure 15: this charts are blurred and unreadable. Please correct it.
· Conclusions: I think it's better to delete the last two paragraphs. They are unnecessary.
· Literature no 50: the title of the article doesn’t need to be underlined.
Author Response
The matter of the research seems to be very interesting, but there are some errors in the reviewed paper. Before publishing, authors should make some corrections on their manuscript.
· All Figures have been pasted from the original articles. I think that the authors should standardize them in terms of size and font.
All Figures have been redrawn.
· Figure 3: I think that this Figure should be redrawn in the appropriate program. In addition, I would like to know what the numbers (1), (2) mean.
Figure 3 has been revised:
Figure 3. Reaction network for hydroisomerization of long chain alkanes adapted from [23]. The numbers denote different reaction steps.
The number refer to reaction steps.
· Sentence in lines 115-118 is incomprehensible. Could you correct it?
This sentence has been corrected:
“…that e.g. isobutene can react with isopentene, isohexene and isoheptene and form C9- C12 isoalkanes. Analogously isopentene was reacting with isohexene and isoheptene giving C11- to C12 isoalkanes.”
· In tables some columns were written with a capital letter and some with a small letter. Please harmonize this.
In Table 3 small and capital letters were used, in the revised version only small fonts were used.
· Figure 13: there are two charts in different size. There are also no graph symbols, which is a and which is b.
The figures have been redrawn and a and b have been added.
· Figure 15: this charts are blurred and unreadable. Please correct it.
This graph has been redrawn.
· Conclusions: I think it's better to delete the last two paragraphs. They are unnecessary.
These paragraphs have been removed.
· Literature no 50: the title of the article doesn’t need to be underlined.
This has been corrected: Chen, Y.; Li, L.; Wang, M.; Zhang, M.; Liang, C. Seed-assisted synthesis of ZSM-23 zeolites in the absence of alkali metal ions. Micropor. Mesop. Mater. 2017, 252, 146-153.
Reviewer 2 Report
In my opinion this is a nice and updated review on the hydroisomerization of long chain hydrocarbons with a detailed analysis of the different steps involved in this reaction and on the effect of several parameters on the processes.
The manuscript is well written, clearly presented and I only suggest to add more details into the figures. Furthemore: Revise the part on the effect of zeolite structure. For instance, FER zeolite is a 2-dimensional structure with 8-10 MR channels, and so on.
Author Response
Referee 2
Comments and Suggestions for Authors
In my opinion this is a nice and updated review on the hydroisomerization of long chain hydrocarbons with a detailed analysis of the different steps involved in this reaction and on the effect of several parameters on the processes.
The manuscript is well written, clearly presented and I only suggest to add more details into the figures. Furthemore: Revise the part on the effect of zeolite structure. For instance, FER zeolite is a 2-dimensional structure with 8-10 MR channels, and so on.
This part has been revised.
Different types of zeolites have been used in hydroisomerization including both 8, 10 and 12 membered structures [24]. The following zeolites possessing a one-dimensional structure, i.e. ZSM-22, ZSM-23, ZSM-48 [23] and SAPO-11 exhibit shape selectivity (Table 2), whereas 12 MR zeolites are devoid of shape selectivity. ZSM-35 has a FER topology and contains 8 – 10 MR (Table 2).
Round 2
Reviewer 1 Report
I have no more questions for authors
