Special Issue "Eutrophication Control Using Novel Composite Materials"

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (31 December 2020).

Special Issue Editor

Dr. Miltiadis Zamparas
E-Mail
Guest Editor
Institute of Chemical Engineering Sciences (ICE-HT), Foundation for Research & Technology-Hellas (FORTH), Stadiou str., Platani, 26504 Patras, Greece
Interests: biogeochemical cycles of elements in the aquatic environment; eutrophication in lakes and enclosed water bodies; development of physicochemical methods to remove phosphorus from water bodies; wastewater management; circular economy

Special Issue Information

Dear Colleagues,

Eutrophication has become the primary water quality issue for most of the freshwater and coastal marine ecosystems in the world. As eutrophication becomes frequent and many eutrophic ecosystems have difficulties meeting the EU Water Framework Directive (WFD) criteria, the removal of phosphate and/or ammonium gains great importance in water treatment. In order to reduce the release flux of nutrients from contaminated sediments, various remediation strategies have been developed, such as [a] dredging, [b] precipitation of P by aluminum salts, [c] in situ chemical injection, [d] hypolimnetic oxygenation, and in situ capping. Among these approaches, P-inactivation agents are used for reducing sediment nutrient release rate by permanently blocking the release of N and P from the sediments. In situ capping, which involves the placement of a layer at the sediment–water interface to create a barrier between the sediment and the aquatic environment, is a potentially effective technology to stabilize sediments, minimize both re-suspension and transport, and reduce dissolved contaminant transport into overlying waters. This Special Issue will contribute to this objective by collecting articles addressing the development and application of innovative tools for eutrophication control and restoration of degraded ecosystems. Papers on restoration methods of eutrophic ecosystems, emphasizing remediation methods of internal nutrient release budget, will be considered. Papers involving the use of phosphate inactivation agents as a restoration tool, their ecotoxicity, their capacity, and application methods, as well as the individual results (in water quality, algal blooms, flora and fauna) in areas that have been implemented are also welcome. We invite you to contribute full papers, reviews, or communications. In all cases, the papers must demonstrate novelty and importance to the scope.

Dr. Miltiadis Zamparas
Guest Editor

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 papers will be 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 1900 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

  • eutrophication control
  • P-inactivation agents
  • novel composite materials
  • restoration
  • contaminated sediments

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

Article
Novel Composite Materials for Lake Restoration: A New Approach Impacting on Ecology and Circular Economy
Sustainability 2020, 12(8), 3397; https://doi.org/10.3390/su12083397 - 22 Apr 2020
Cited by 16 | Viewed by 897
Abstract
The purpose of this study is to promote a new way of application composite materials to restore eutrophic waters. A new sustainable way of application is based on the “teabag” method, in which materials were placed in water-permeable bags and immersed in the [...] Read more.
The purpose of this study is to promote a new way of application composite materials to restore eutrophic waters. A new sustainable way of application is based on the “teabag” method, in which materials were placed in water-permeable bags and immersed in the water column in order to sorb phosphate—one of the main contributory element for the eutrophication problem. Particularly, the two composites materials of Phoslock™ (lanthanum-modified bentonite, LMB) and Bephos™ (Fe-modified bentonite, f-MB) were tested and bench-scale batch experiments were employed to investigate their sorption efficiency in the forms of slurry and teabag. The adsorption kinetics and the relevant adsorption isotherms were deployed, while the effect of the materials on turbidity and their aging were also investigated. Experimental results showed that Phoslock™ and Bephos™ (as teabag), being applied at initial concentration range: 0.05–5 mg/L, they sustained a maximum adsorption capacity of 7.80 mg/g and 25.1 mg/g, respectively, which are considered sufficient rates for P concentrations reported at natural aquatic ecosystems. At the same time this new method did not cause turbidity in the water column, since the material was not released into the water, thus, preventing potential harmful consequences for the living organisms. Moreover, the “teabag” method prevents the material to cover the lake bottom, avoiding the phenomenon of smothering of benthos. Βy teabag method, the materials can be collected for further applicability as soil improver or crops fertilizer. Finally, it was argued that the possibility to recycle LMB and f-MB materials for agricultural use is of paramount importance, sustaining also positive impacts on sustainable ecology and on the routes of circular economy (CE). Full article
(This article belongs to the Special Issue Eutrophication Control Using Novel Composite Materials)
Show Figures

Figure 1

Back to TopTop