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Applied Sciences
Volume 10
Issue 16
10.3390/app10165633
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Article
Peer-Review Record

Nano-Scale Drinking Water Treatment Residuals Affect Arsenic Fractionation and Speciation in Biosolids-Amended Agricultural Soil

Appl. Sci. 2020, 10(16), 5633; https://doi.org/10.3390/app10165633
by Ahmed M. Mahdy 1,*, Elsayed Elkhatib 1, Tiequan Zhang 2, Nieven O. Fathi 3 and Zhi-Qing Lin 4,5
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Appl. Sci. 2020, 10(16), 5633; https://doi.org/10.3390/app10165633
Submission received: 28 June 2020 / Revised: 21 July 2020 / Accepted: 24 July 2020 / Published: 14 August 2020
(This article belongs to the Section Environmental Sciences)

Round 1

Reviewer 1 Report

(1) It would be better to add the latest literatures published on Applied Sciences.

For example,

Choi, Nag-Choul, et al. "A Hybrid Ion-Exchange Fabric/Ceramic Membrane System to Remove As (V), Zn (II), and Turbidity from Wastewater." Applied Sciences 10.7 (2020): 2414.

Hwang, Soonho, et al. "Characteristics of Arsenic Leached from Sediments: Agricultural Implications of Abandoned Mines." Applied Sciences 9.21 (2019): 4628.

 

(2) The unit of adsorption capacity would be better expressed in mg/g than in mg/kg.

 

(3) Authors must explain the reason for the As oxidation according to application of nWTRs.

 

(4) The speciation results in Table 3 and Table 4 are quite different. Authors need to explain this in an integrated perspective.

Author Response

All responses to reviewer 1 comments are considered and inserted during the text and included in the attached word file

Author Response File: Author Response.docx

Reviewer 2 Report

The article “Nanoscale Drinking Water Treatment Residuals Affect Arsenic Fractionation and Speciation Biosolid-amended Agricultural Soil” by Mahdy et al describes the effects of nanoscale drinking water treatment residuals on arsenic (As) fractionation and speciation in agricultural soil treated with biosolids demonstrating that treatment is effective in adsorbing and immobilizing As. The article gives insight in arsenic wastewater bioremediation.

The article is interesting and well written and minor suggestions are below:

In the introduction the authors can give more information on what Biosolids are

in paragraph 3.1 it is not very clear whether authors refer to a desorption rate from soil containing 800 mg of As(III) or total arsenic. This is because in line 197 they indicate 800 mg As(III)/L while at line 202 As/L and then continues to use As/L.

Minor Spelling

Lines 92 and 102 C is always written without space.

Line 101 lacks a space after the comma "(0, 5.50, ..." between 5 and 50.

Line 106 ICP-MS is used as the acronym, while on line 126 it is written in extense (it should be reversed).

Line 277 As2O3 – 2 and 3 should be inserted as subscripts.

Line 325 write Biosolid instead of Bisolid.

Author Response

all reviewer 2 comments are considered and found during the text and in the attached word file named " response to reviewer#2

Round 2

Reviewer 1 Report

I think it can be published in present form.

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