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Water
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Organotin Speciation Analytical Chemistry Environmental Monitoring
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Organotin Speciation Analytical Chemistry Environmental Monitoring

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 3823

Special Issue Editor

Dr. Chrystelle Bancon-Montigny

E-Mail Website
Guest Editor
Hydrosciences Montpellier, CNRS, IRD, Université de Montpellier, Montpellier, France
Interests: organotin speciation; environmental monitoring; marina; river

Special Issue Information

Dear Colleagues,

Organotin compounds are among the most studied and used organometallic compounds. Considering the toxicity thresholds of organotin compounds, the regulations put in place on the reduction or elimination of tributyltin as an active ingredient in antifouling paints, as well as the European environmental quality standards adopted in surface waters, it is therefore necessary to know the levels of contamination in all environmental compartments. The speciation of these compounds remains an issue both in terms of their analysis and monitoring in the marine or freshwater environment.

The objective of this Special Issue is to provide an overview of recent trends in the analysis and occurrence of organotin compounds in environmental matrices. Topics will include new analytical or sampling (passive sampling) developments in different matrices to increase the database on contamination levels around the world. It will also be a question of making a state of the contamination levels in the regions where regulations have or have not been implemented (water, sediments, suspended matters, biomass, etc.). The influence of hydroclimatic conditions or anthropization (human occupation, dredging, etc.) will be more particularly addressed. Finally, a focus will also be made on the presence, behavior and treatment of these compounds in fresh water including small water cycle (river water, groundwater, wastewater treatment plants).

Dr. Chrystelle Bancon-Montigny
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 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. Water 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 2600 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

  • organotin compounds
  • speciation
  • port or marina areas
  • environmental monitoring
  • wastewater treatment plant
  • river water
  • anthropic activity

Published Papers (2 papers)

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Research

14 pages, 4933 KiB  
Article
Synthesis of an Organotin Specific Molecularly Imprinted Polymer for Organotin Passive Sampling in Seawater
by Antoine Garnier, Chrystelle Montigny, Léa Causse, Sylvie Spinelli, Murielle Avezac, Belkacem Otazaghine and Catherine Gonzalez
Water 2022, 14(11), 1786; https://doi.org/10.3390/w14111786 - 1 Jun 2022
Cited by 3 | Viewed by 1883
Abstract
Environmental contaminations can sometimes be difficult to measure, particularly in complex matrices such as seawater. This is the case of organotin compounds (OSn) such as the monobutyltin (MBT), dibutyltin (DBT), and tributyltin (TBT), whose range of polarity is wide. These compounds, mostly coming [...] Read more.
Environmental contaminations can sometimes be difficult to measure, particularly in complex matrices such as seawater. This is the case of organotin compounds (OSn) such as the monobutyltin (MBT), dibutyltin (DBT), and tributyltin (TBT), whose range of polarity is wide. These compounds, mostly coming from antifouling paints used on ship shell, can be found in water and sediments where they are stable and can persist for years. Passive sampling is gaining in interest to offer solutions to monitor these kinds of compounds even in low concentrations. However, due to the diversity of pollutants present in the environment nowadays, it is important to propose solutions that allow a specific sampling. This work aims to highlight the usability of molecularly imprinted polymers (MIPs) in passive sampling for the monitoring of OSn. MIPs were synthetized using three synthesis ways (bulk, suspension, and mini-emulsion processes) and kinetics were realized in order to estimate the retention of OSn by the solid MIP phase. Results highlighted a good retention of OSn with mean retention kinetic constants near 10−5, 10−6 and 10−7 L·ng·s−1 for DBT, TBT and MBT respectively. The synthesis mode showed no impact on retention kinetics, therefore, bulk synthesis is recommended because of its simplicity. If the elimination of OSn from MIPs is to be optimized, the retention of OSn on MIPs has been demonstrated, and is very promising for their use in specific passive samplers. Full article
(This article belongs to the Special Issue Organotin Speciation Analytical Chemistry Environmental Monitoring)
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14 pages, 4949 KiB  
Article
Tributyltin in Wastewater: Influence on the Performance of Suspended Growth Biological Processes
by Chrystelle Montigny, Sophie Delpoux, Josiane Nurit and Christelle Wisniewski
Water 2022, 14(9), 1483; https://doi.org/10.3390/w14091483 - 5 May 2022
Cited by 1 | Viewed by 1470
Abstract
The aim of this study was to evaluate the potential effect of tributyltin (TBT) on the performance of suspended-growth biological processes. The influence of TBT was evaluated for (i) the endogenous and exogenous respirations of heterotrophic micro-organisms in laboratory-scale batch reactors, taken from [...] Read more.
The aim of this study was to evaluate the potential effect of tributyltin (TBT) on the performance of suspended-growth biological processes. The influence of TBT was evaluated for (i) the endogenous and exogenous respirations of heterotrophic micro-organisms in laboratory-scale batch reactors, taken from a municipal wastewater treatment plant and (ii) chemical oxygen demand (COD) removal, sludge production and oxygen consumption of a pilot-sale membrane bioreactor (MBR) system inoculated with heterotrophic micro-organisms taken from a MBR system. The batch experiments showed that the presence of TBT was likely to modify the activity of bacterial populations in endogenous conditions. The increase in endogenous oxygen needs suggested an increase in the maintenance requirements, essentially to manage the chemical stress induced by the presence of TBT. If the addition of TBT did not perturb COD removal in an MBR system, it limited sludge production and increased oxygen requirements; it is assumed that these modifications were linked with the necessity for the biomass to adapt in this stressful environment, as reflected by an increase in the maintenance requirements. These results emphasised that the respiratory activity of the bacterial cultures was modified by the presence of TBT, in the sense that an excess of oxygen was required to adapt to this chemical stress. Full article
(This article belongs to the Special Issue Organotin Speciation Analytical Chemistry Environmental Monitoring)
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