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Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation
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Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: 15 July 2025 | Viewed by 5619

Special Issue Editors

Prof. Dr. Angel DelValls

E-Mail Website
Guest Editor
Environmental Science and Technology Department, University of Santa Cecilia, Santos 11045-907, Brazil
Interests: water treatment; wastewater purification; circular economy; brine mining; mining; environment; teaching and learning; CO2 acidification; Global Change; GHGs mitigation; environmental impact assessment; environmental analysis; environmental pollution; environmental monitoring
Special Issues, Collections and Topics in MDPI journals
Dr. Flor Arcega-Cabrera

E-Mail Website
Guest Editor
Unidad de Química en Sisal, Facultad de Química, Universidad Nacional Autónoma de México, Puerto de Abrigo S/N, Sisal 97355, Yucatán, Mexico
Interests: geochemistry and environmental pollution; water chemistry; hydrology; rivers: geochemistry; environment; environmental monitoring; environmental analysis; environmental pollution; drinking; water quality heavy metals

Special Issue Information

Dear Colleagues,

This Special Issue will describe different applications of technologies for mitigation and remediation of contaminated fluids and waters. Additionally, it will include research relating to the integration of sources, inputs, adverse effects and accumulation of pollutants into the aquatic ecosystems and organisms. Additionally, it will be focused on socioenvironmental aspects supported by different technologies to analyze, monitorize and remediate aquatic ecosystems of socioeconomical interest. This will contribute to increasing knowledge on the technological approaches to remediate and mitigate the effects of pollutants that access to the aquatic ecosystem and their fate, including their mobility through the food chain to humans. It is expected to increase knowledge of the pollution of aquatic ecosystems and their remediation and mitigation, of the resilience of marine organisms to pollutants and of their contamination, highlighting the adverse effects also because of climate change.

In addition, new approaches and technologies designed to fight against the pollution and global change effects on the aquatic ecosystems through a circular economy approach will be welcome, addressing current efforts to avoid the impact of either increase in contamination, pollution and global change.

Some topics of interest to be covered by the Special Issue include, but are not limited to:

  • Technologies for environmental protection, remediation and mitigation;
  • Purification technologies for fluid contamination;
  • Implications of anthropogenic effects on the aquatic ecosystems;
  • Pollutants in aquatic ecosystems from environmental matrix to organisms adverse effects;
  • The influence of climate change on the seasonal behavior of pollutants;
  • Decontamination of industrial or contaminated waters as sources of pollution in the aquatic ecosystem;
  • Industrial and mining waters for a circular economy;
  • Waste water from agricultural and livestock activities for GHGs mitigation;
  • Avoiding the impact of desalinization and brine production as a source of water in Global Change;
  • Socioenvironmental technologies;
  • Pollutants and human health risk assessment;
  • Emerging contaminants in the Global Change and their effects on aquatic ecosystems;
  • Disruptive technologies for remediation and mitigation of emerging contaminants;
  • CO2 acidification and its impact as a Global Change consequence;
  • Water supplies under Global Change scarcity: desalinization and brine impacts.

Prof. Dr. Angel DelValls
Dr. Flor Arcega-Cabrera
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. Applied Sciences 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

  • environmental technologies
  • water chemistry
  • wastewater purification
  • water and sediment ecotoxicology
  • circular economy
  • socioenvironmental analysis
  • scientific technology
  • environmental management
  • remediation and mitigation technologies
  • monitoring
  • climate changes effects
  • GHGs emission and remediation
  • mining and industrial waters
  • CO2 acidification
  • contamination and pollution
  • dredged material and rare earth elements mining
  • desalinization and brine mining
  • emerging contaminants
  • european green deal
  • sustainable development goals

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Research

18 pages, 1677 KiB  
Article
Update on Endemic Fluorosis in a Region of Europe (Tenerife, Canary Islands)
by Juan R. Jáudenes-Marrero, Soraya Paz-Montelongo, Ángel Gutiérrez Fernández, Carmen Rubio, Arturo Hardisson and Samuel Alejandro-Vega
Appl. Sci. 2025, 15(3), 1479; https://doi.org/10.3390/app15031479 - 31 Jan 2025
Viewed by 656
Abstract
Fluoride is an anion that is widely distributed in nature whose main source is volcanic emissions. This anion reaches humans mainly through water and can produce beneficial effects at certain doses, with toxic effects occurring at high doses. There are regions of the [...] Read more.
Fluoride is an anion that is widely distributed in nature whose main source is volcanic emissions. This anion reaches humans mainly through water and can produce beneficial effects at certain doses, with toxic effects occurring at high doses. There are regions of the world that stand out for their high concentrations of fluoride, as it has produced endemic fluorosis in their population. This is the case for Tenerife, one of the islands of the Canary archipelago of volcanic origin. The aims of this study are to perform a historical review of fluoride concentrations in this region and to assess the current levels. The determination of fluoride will be carried out by potentiometry using an ion-selective electrode. The high concentration of fluoride in the water supply continues to be a problem, since about 55% of the studied municipalities on the island of Tenerife exceed the parametric value for the concentration of fluoride in the water (1.5 mg/L). The municipalities with the highest fluoride concentrations in Tenerife are El Tanque (10.61 mg/L), Icod de los Vinos (5.28 mg/L), Tegueste (4.37 mg/L) and La Victoria de Acentejo (3.63 mg/L). The child population aged from 1 to 3 years with a daily water consumption of 1.5 L exceeds the ULs in 21 of the 31 studied municipalities of the island. Meanwhile, the child population aged from 4 to 8 years (daily water consumption of 1.5 L) greatly exceeds the ULs in 13 of 31 of these municipalities. In the case of the adult population (consumption of 2 L/day), it exceeds the ULs in 3 of the 31 studied localities. In addition, since only exposure induced from one type of food has been studied, and not in regard to overall diet, it can be concluded that there may be a risk of overexposure to fluoride for the population aged 1 to 3 years in all the municipalities studied, as well as for the population aged 4 to 14 years and the adult population in most of them. Thus, it can be determined that, currently, with the recommended water consumption, the population could be exposed to a toxicological risk depending on the municipality and age. Full article
(This article belongs to the Special Issue Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation)
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18 pages, 6588 KiB  
Article
Three-Year Follow-Up Assessment of Anthropogenic Contamination in the Nichupte Lagoon
by Jorge Herrera-Silveira, Flor Arcega-Cabrera, Karina León-Aguirre, Elizabeth Lamas-Cosio, Ismael Oceguera-Vargas, Elsa Noreña-Barroso, Daniela Medina-Euán and Claudia Teutli-Hernández
Appl. Sci. 2024, 14(24), 11889; https://doi.org/10.3390/app142411889 - 19 Dec 2024
Viewed by 1021
Abstract
Tourism still represents a means of generating revenues in the coastal areas in the Mexican Caribbean, despite the growing concern about the social and environmental impacts. The Nichupte Lagoon System (NLS), the most representative lagoon of Quintana Roo State for being in the [...] Read more.
Tourism still represents a means of generating revenues in the coastal areas in the Mexican Caribbean, despite the growing concern about the social and environmental impacts. The Nichupte Lagoon System (NLS), the most representative lagoon of Quintana Roo State for being in the middle of Cancun’s hotel development, has experienced a continuous drop-off in its water quality due to several factors, including dredging and wastewater discharges from different anthropogenic activities, which modify the flux of nutrients, increase the number of pathogenic microorganisms, and promote physicochemical changes in this ecosystem. Three sampling campaigns (2018, 2019, and 2020) were carried out in the NLS in August, which is the month of greatest tourist occupancy. To evidence the presence of anthropogenic wastewater in the NLS, the caffeine tracer was used, and to determine the water quality, 43 sampling stations were monitored for “in situ” physicochemical parameters (salinity and dissolved oxygen), and water samples were collected for the quantification of nutrients (NO2− + NO3−, NH4+, SRP and SRSi) and chlorophyll-a (Chl-a). For data analysis, the lagoon was subdivided into five zones (ZI, ZII, ZIII, ZIV, and ZV). Caffeine spatial and time variation evidence (1) the presence of anthropogenic wastewater in all areas of the NLS probably resulting from the tourist activity, and (2) wastewater presence is directly influenced by the coupling of the hydrological changes driven by anomalous rain events and the number of tourists. This same tendency was observed for nutrients that increased from 2018 to 2019 and the trophic state changed from oligotrophic to hypertrophic in all areas, as a result of previous anomalous precipitations in 2018, followed by normal precipitations in 2019. From 2019 to 2020, the nutrients decreased due to the drop in tourism due to COVID-19, promoting fewer nutrients in the lagoon, but, also coupled with an anomalous precipitation event (Cristobal storm), resulted in a dilution phenomenon and an oligotrophic state. The cluster analysis indicated that the least similar zones in the lagoon were the ZI and ZV due to their geomorphology that restricts the connection with the rest of the system. Principal component analysis revealed that wastewater presence evidenced by the caffeine tracer had a positive association with dissolved oxygen and chlorophyll-a, indicating that the arrival of nutrients from wastewater amongst other sources promotes algal growth, but this could develop into an eutrophic or hypertrophic state under normal precipitation conditions as seen in 2019. This study shows the relevance of monitoring in time of vulnerable karstic systems that could be affected by anthropogenic contamination from wastewater inputs, stressing the urgent need for efficient wastewater treatment in the area. The tourist industry in coastal karstic lagoons such as the NLS must have a Wastewater Treatment Program as a compensation measure for the anthropic pressure that is negatively changing the water quality of this highly relevant socio-environmental system. Full article
(This article belongs to the Special Issue Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation)
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15 pages, 4001 KiB  
Article
Bioassays with Allium cepa for the Monitoring of Toxicity in the Groundwater of Yucatan, Mexico
by Loremy Yehudí Cauich-Suárez, Víctor Emmanuel Sánchez-Sánchez, Gissela Moreno-Ortiz, Elsa Noreña-Barroso and Gabriela Rodríguez-Fuentes
Appl. Sci. 2024, 14(23), 11428; https://doi.org/10.3390/app142311428 - 9 Dec 2024
Viewed by 1607
Abstract
This study employed the Allium cepa bioassay to evaluate the toxic effects of contaminants in the Yucatan aquifer. Seven monitoring wells were studied during September and October 2021. Nutrient concentrations showed significant variation between sites, with samples closer to the coast (P3 and [...] Read more.
This study employed the Allium cepa bioassay to evaluate the toxic effects of contaminants in the Yucatan aquifer. Seven monitoring wells were studied during September and October 2021. Nutrient concentrations showed significant variation between sites, with samples closer to the coast (P3 and P7) presenting higher ammonia and phosphate concentrations. The pesticides found at the highest concentration were δ-HCH and chlorpyrifos, with 141.44 and 175.92 ng/L, respectively. Heptachlor and aldrin were present in sites P4oct and P2sept. Interestingly, DDT values were highly correlated with caffeine concentrations. The PAHs acenaphthylene and the sum of B(k)fluoranthene and B(b)fluoranthene presented the highest prevalence. B(k)fluoranthene and B(b)fluoranthene were the PAHs found at the highest concentration. The results of the A. cepa bioassay indicated no nuclear abnormalities. The study also found no statistical differences in the mitotic index, root length, biomarkers of oxidative stress, and inhibition of B-esterases between sites and controls. In summary, the wells sampled in the present study had low concentrations of contaminants that can be used as a proxy of anthropogenic discharges; the lack of effect in the biomarkers used at organism, cellular, and biochemical levels indicated no toxic effect on A. cepa roots. Full article
(This article belongs to the Special Issue Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation)
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15 pages, 1776 KiB  
Article
Can Hediste diversicolor Speed Up the Breakdown of Cigarette Butts in Marine Sediments?
by Mercedes Conradi, J. Emilio Sánchez-Moyano, Francisco J. Rodríguez-Martín and Javier Bayo
Appl. Sci. 2024, 14(11), 4409; https://doi.org/10.3390/app14114409 - 23 May 2024
Viewed by 1445
Abstract
Cigarette butts (CBs) are non-biodegradable harmful residues of synthetic origin and are widespread in marine environments around the world. Although environmental factors are often primarily responsible for the fragmentation of microplastics in the marine environment, biotic factors have recently been shown to be [...] Read more.
Cigarette butts (CBs) are non-biodegradable harmful residues of synthetic origin and are widespread in marine environments around the world. Although environmental factors are often primarily responsible for the fragmentation of microplastics in the marine environment, biotic factors have recently been shown to be equally important in plastic debris. This study evaluates the role of the Hediste diversicolor polychaete in the fragmentation of CBs in the marine environment. Polychaetes were exposed to three concentrations of CB (0 (as the control), 0.25, and 1 butt L−1) at two different temperatures (15 °C and 23 °C) for 28 days. At each temperature, aquaria without polychaetes were used to study the effect of the burrowing activity of the polychaete on CB fragmentation. Toxicants analysed from exposed sediments increased their concentration in a dose-dependent manner to the CB concentration at a temperature of 15 °C but not at 23 °C. CBs did not directly decrease Hediste survival, but prolonged elevated temperatures increased the polychaetes’ susceptibility. The negative effects of CBs on burial success and burrowing behaviour could not be offset by the reduced start time caused by elevated temperatures. Regardless of temperature, both the weight loss and physical fragmentation of CBs buried in polychaete-contaminated sediments were significantly higher than those without Hediste, with no differences between the two concentrations tested. FTIR-ATR analysis used to evaluate CB degradation in relation to cellulose acetate decomposition showed a greater degradation of this compound in treatments with Hediste than in those without polychaetes (~2.75 times), but these differences were not significant. This study is a promising initial step for future research, as any factor that facilitates the fragmentation of this prevalent and hazardous waste must be carefully studied to extract the maximum benefit to help to reduce CBs in the marine environment. Full article
(This article belongs to the Special Issue Environmental Technology Applied to Pollution Research: Monitoring, Analysis and Remediation)
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