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Application of Nanomaterials in Soil Remediation and Its Ecological Effects to Soil System

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A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Pollution Prevention, Mitigation and Sustainability".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 10709

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Special Issue Editors

Dr. Wenjie Ren

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Guest Editor

Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
Interests: soil pollution; bioremediation; nanomaterial; nanobioremediation; soil ecological effect

Dr. Vishnu D. Rajput

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Guest Editor

Academy of Biology and Biotechnology, Southern Federal University, Stachki Ave. 194/1, 344090 Rostov-on-Don, Russia
Interests: soil pollution; biochar; carbon; plant physiology; cellular-subcellular changes; DNA damages, nanoparticles; microorganisms
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Special Issue Information

Dear Colleagues,

We are pleased to announce a Special Issue of Sustainability entitled “Application of Nanomaterials in Soil Remediation and its Ecological Effects to Soil System”. Soil pollution has become one of the main environmental problems faced currently by most countries in the world. There is an urgent need to develop high-efficiency and sustainable remediation strategies for the cleanup of pollutants in the soil environment. Nanomaterials have displayed great potential to remove or transform recalcitrant pollutants in complex environmental media due to their unique features of high reactivity, selectivity and versatility, which is attracting increasing research and industrial attentions. However, the related researches are still limited and the promotion mechanisms of nanomaterials in soil remediation have not been fully understood. Besides, the anthropogenic introduction of nanomaterials to the soil environment would inevitably have an effect on the soil ecosystem. This should not be ignored, given the green and sustainable evaluation of nanoremediation technology. Therefore, the Special Issue focuses on the application of nanomaterials in soil remediation and its ecological effects on the soil system. This Special Issue will cover, but is not limited to, the following topics:

Interactions between nanomaterials and soil pollutants
Nanomaterials-mediated chemical degradation of pollutants in soil
Nanomaterials-assisted photodegradation of pollutants in soil
Electro-nanoremediation of contaminated soil
Nano-bio/phyto-remediation of contaminated soil
Sustainability assessment and management strategy of nanoremediation
Interactions between nanomaterials and soil biota
Environmental behavior of nanomaterials in soil
Impact of nanomaterials on environmental behavior of pollutants in soil
Cocurrent effect of nanomaterials and pollutants on soil ecosystem

Papers submitted for this Special Issue will be subjected to a rigorous peer-review process with the goal of the rapid and wide dissemination of results, developments, and applications.

Dr. Wenjie Ren
Dr. Vishnu D. Rajput
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

Nanomaterials
Soil remediation
Nanoremediation
Soil ecotoxicology
Pollutants

Published Papers (3 papers)

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Research

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18 pages, 3708 KiB

Open AccessArticle

Using Biochar and Nanobiochar of Water Hyacinth and Black Tea Waste in Metals Removal from Aqueous Solutions

by Fathy Elbehiry, Marwa Darweesh, Fathia S. Al-Anany, Asmaa M. Khalifa, Aliaa A. Almashad, Hassan El-Ramady, Antar El-Banna, Vishnu D. Rajput, Hanuman Singh Jatav and Heba Elbasiouny

Sustainability 2022, 14(16), 10118; https://doi.org/10.3390/su141610118 - 15 Aug 2022

Cited by 18 | Viewed by 2747

Abstract

The treatment of heavy metal-contaminated water is challenging. The use of nanomaterials from many environmental wastes is promising for removing metals and contaminants from aqueous solutions. This study is novel in using nanobiochar of water hyacinth (WH) and black tea waste (TW) as a promising approach to water decontamination owing to its unique properties that play an effective role in metal adsorption. The mono- and multi-adsorption systems of cadmium (Cd), chromium (Cr), and nickel (Ni) on biochar and nanobiochar of water hyacinths (BWH and NBWH) and black tea waste (BTW and NBTW) were investigated in this study as potential low-cost and environmentally friendly absorbents for the removal of previously mentioned heavy metals (HMs) from aqueous solutions. The WH and TW were collected from the locality, prepared, and kept until used in the experiment. Nanobiochar was prepared by grinding, characterizing, and storing in airtight containers until used. A batch experiment was designed in mono- and competitive systems to study the adsorption equilibrium behavior of HMs on biochar and nanobiochars. The Freundlich and Langmuir isotherm models were fitted to the mono- and competitive-adsorption equilibrium results. The Freundlich isotherm model provided a better fit. Furthermore, it was noticed that NBWH and NBWT efficiently removed the Cd in the mono-system by ≥99.8, especially in the smaller concentration, while NBWT and BTW removed ≥99.8 and 99.7% in the competitive system, respectively. In the mono- and competitive systems, the nanobiochars of NBTW removed more than 98.8 of Cr. The sorbents were less efficient in Ni removal compared to Cd and Cr. However, their effectiveness was very high also. The results revealed that Cd was the highest metal removed by sorbents, nanobiochars were better than biochars to remove the HMs, and the results also indicated that co-occurrence of multi-metals might fully occupy the adsorption sites on biochars and nanobiochars. Full article

(This article belongs to the Special Issue Application of Nanomaterials in Soil Remediation and Its Ecological Effects to Soil System)

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Review

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14 pages, 3387 KiB

Open AccessReview

Nanoparticle Mediated Plant Tolerance to Heavy Metal Stress: What We Know?

by Mohammad Faizan, Pravej Alam, Vishnu D. Rajput, Ahmad Faraz, Shadma Afzal, S. Maqbool Ahmed, Fang-Yuan Yu, Tatiana Minkina and Shamsul Hayat

Sustainability 2023, 15(2), 1446; https://doi.org/10.3390/su15021446 - 12 Jan 2023

Cited by 12 | Viewed by 3331

Abstract

Nanoparticles (NPs) are playing an important role in addressing various environmental constraints by giving ingenious and successful resolutions. Heavy metal (HM) stress has gained significant importance in the last few years because of its speedy incorporation into agricultural sectors. Due to exclusive physiochemical properties, NPs can be effectively applied for stress mitigation strategies. NPs are highly effective over bulk scale parts owing to the control of the enhanced surface area and the possibility for specific properties to enhance nutrient uptake. In the present review, we explore the use of NPs as an environmentally sound practice to enhance plant growth when exposed to abiotic stress, particularly HM stress. Furthermore, we display an extensive summary of recent progress concerning the role of NPs in HM stress tolerance. This review paper will also be useful for comprehending phytoremediation of contaminated soils and indicates the prospective research required for the cooperative submission of NPs in the soil for sustainable agriculture. Full article

(This article belongs to the Special Issue Application of Nanomaterials in Soil Remediation and Its Ecological Effects to Soil System)

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19 pages, 1444 KiB

Open AccessReview

Nano-Microbial Remediation of Polluted Soil: A Brief Insight

by Shiva Aliyari Rad, Khatereh Nobaharan, Neda Pashapoor, Janhvi Pandey, Zahra Dehghanian, Venkatramanan Senapathi, Tatiana Minkina, Wenjie Ren, Vishnu D. Rajput and Behnam Asgari Lajayer

Sustainability 2023, 15(1), 876; https://doi.org/10.3390/su15010876 - 3 Jan 2023

Cited by 10 | Viewed by 3843

Abstract

The pollution of soil by heavy metals and organic pollutants has become a significant issue in recent decades. For the last few years, nanobiotechnology has been used to bio-remediate or reclaim soil contaminated with organic and inorganic pollutants. The removal of pollutants from industrial wastes is a major challenge. The utilization of nanomaterials is gaining popularity, which might be accredited to their enhanced physical, chemical, and mechanical qualities. The development of advanced nanobiotechnological techniques involving the use of nanomaterials for the reclamation of polluted soils has indicated promising results and future hope for sustainable agriculture. By manufacturing environment-friendly nanomaterials, the industrial expenditure on decreasing the load of pollution might be reduced. A potential emerging domain of nanotechnology for eco-friendly production and cost reduction is “green biotechnology”, alongside the utilization of microorganisms in nanoparticle synthesis. Full article

(This article belongs to the Special Issue Application of Nanomaterials in Soil Remediation and Its Ecological Effects to Soil System)

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