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191 Results Found

  • Article
  • Open Access
5 Citations
4,042 Views
11 Pages

Chemical Safety of Furniture Products

  • Boris Rybin,
  • Ruslan Safin,
  • Irina Zavrazhnova,
  • Shamil Mukhametzyanov,
  • Dmitry Rybin and
  • Albina Gazizulina

30 October 2019

At present, technical regulations are adopted for furniture products of various types, establishing the protection of human health from the influence of harmful substances in the parts and assemblies of wood products and wood materials. The technical...

  • Article
  • Open Access
10 Citations
3,696 Views
13 Pages

25 October 2021

The article presents comparison of the values of maximum permissible concentrations, revealed during the analysis of the national standards of Russia and Australia in the field of regulation of nitrogen oxides. The impact of poisoning of the workers...

  • Article
  • Open Access
9 Citations
3,259 Views
18 Pages

Spatial Distribution of Cu, Zn, Pb, Cd, Co, Ni in the Soils of Ili River Delta and State Natural Reserve “Ili-Balkhash”

  • Azamat Madibekov,
  • Laura Ismukhanova,
  • Christian Opp,
  • Zarina Saidaliyeva,
  • Askhat Zhadi,
  • Botakoz Sultanbekova and
  • Meruert Kurmanova

13 May 2023

River delta soils are the final spatial units of the matter flow within the whole river catchment. Due to their spatial position in the catchment and due to their fine grain size composition, river delta soils are important matter sinks in general, e...

  • Article
  • Open Access
18 Citations
4,738 Views
14 Pages

Method Development for Low-Concentration PAHs Analysis in Seawater to Evaluate the Impact of Ship Scrubber Washwater Effluents

  • Chih-Feng Chen,
  • Yee Cheng Lim,
  • Yun-Ru Ju,
  • Frank Paolo Jay B. Albarico,
  • Jia-Wei Cheng,
  • Chiu-Wen Chen and
  • Cheng-Di Dong

19 January 2022

A naval ship’s exhaust gas scrubber may discharge polycyclic aromatic hydrocarbons (PAHs) into seawater. Due to the high lipophilicity and low water solubility of PAHs, their concentrations in seawater are extremely low, making them difficult t...

  • Article
  • Open Access
6 Citations
2,042 Views
17 Pages

Comparative Assessment of the Resistance to Lead (Pb) Pollution of Forest, Forest-Steppe, Steppe, and Mountain-Meadow Soils of the Central Ciscaucasia and the Caucasus Regions

  • D. I. Moshchenko,
  • Sergey I. Kolesnikov,
  • A. A. Kuzina,
  • Kamil S. Kazeev,
  • Tatiana M. Minkina,
  • A. A. Mezhenkov,
  • Y. A. Litvinov,
  • Sudhir S. Shende,
  • Saglara S. Mandzhieva and
  • Valery P. Kalinitchenko
  • + 1 author

20 September 2022

Lead (Pb) is one of the most hazardous heavy-metal pollutants in the environment. However, the resistance of different soils and ecosystems to Pb pollution varies greatly. In the present study, the comparative assessment of the resistance to Pb conta...

  • Article
  • Open Access
2 Citations
1,436 Views
19 Pages

Transmission of Heavy Metals in River Water and Self-Purification Capacity of Ile River

  • Ainur Mussakulkyzy,
  • Christian Opp,
  • Nariman Amirgaliev,
  • Azamat Madibekov,
  • Laura Ismukhanova and
  • Askhat Zhadi

10 June 2025

The continuing anthropogenic pollution of the Ile River occurs both by transboundary runoff and as a result of discharges of industrial, agricultural, and domestic wastewater on the territory of Kazakhstan. With this amount of pollution, the river&rs...

  • Article
  • Open Access
3 Citations
3,928 Views
12 Pages

Seasonal Dynamics of Heavy Metal Concentrations in Water and Fish from Hakaluki Haor of Bangladesh

  • Abu Shahadat Mohammad Sadequr Rahman Bhuyain,
  • Sanzib Kumar Barman,
  • Md. Motaher Hossain,
  • Mohammad Mehedi Hasan Khan,
  • Khadizatul Kubra Mim and
  • Sabuj Kanti Mazumder

Food safety is currently a serious concern due to the health risks associated with food intake, particularly due to heavy metal contamination. Therefore, the present study was conducted to investigate the heavy metals concentration in water and fishe...

  • Article
  • Open Access
11 Citations
2,623 Views
20 Pages

A Multi-Method Approach for Impact Assessment of Some Heavy Metals on Lactuca sativa L.

  • Maria-Loredana Soran,
  • Aura Nicoleta Sîrb,
  • Ildiko Lung,
  • Ocsana Opriş,
  • Otilia Culicov,
  • Adina Stegarescu,
  • Pavel Nekhoroshkov and
  • Delia-Maria Gligor

12 January 2023

Heavy metals represent a large category of pollutants. Heavy metals are the focus of researchers around the world, mainly due to their harmful effects on plants. In this paper, the influence of copper, cadmium, manganese, nickel, zinc and lead, prese...

  • Article
  • Open Access
2 Citations
3,323 Views
16 Pages

Trace Metals in Rice Grains and Their Associated Health Risks from Conventional and Non-Conventional Rice Growing Areas in Punjab-Pakistan

  • Nukshab Zeeshan,
  • Zia Ur Rahman Farooqi,
  • Iftikhar Ahmad,
  • Ghulam Murtaza,
  • Aftab Jamal,
  • Saifullah,
  • Ayesha Abdul Qadir and
  • Emanuele Radicetti

27 April 2023

Rice (Oryza sativa L.) is cultivated and consumed worldwide, but the contamination of rice grains with trace metals (TMs) could cause adverse impacts on human health. The aims of this study were to determine the concentrations of TMs in different ric...

  • Communication
  • Open Access
47 Citations
6,605 Views
9 Pages

This survey was conducted to investigate the contamination by multiple mycotoxins, aflatoxins (AFB1, AFB2, AFG1, and AFG2), ochratoxin A (OTA), and zearalenone (ZEA) in 61 samples of maize and 17 commercial animal feed samples, and of aflatoxin M1 (A...

  • Article
  • Open Access
4 Citations
2,563 Views
18 Pages

1 August 2022

In most cities of the world, air pollution reaches critical levels. The air masses circulating over the Crimean Peninsula bring a significant amount of mineral dust, which contains soil particles, emissions from industrial enterprises, gases, etc. Th...

  • Article
  • Open Access
5 Citations
5,630 Views
11 Pages

Toxicity and Hazards of Biodegradable and Non-Biodegradable Sunscreens to Aquatic Life of Quintana Roo, Mexico

  • Miguel Hernández-Pedraza,
  • José Adán Caballero-Vázquez,
  • Jorge Carlos Peniche-Pérez,
  • Ignacio Alejandro Pérez-Legaspi,
  • Diego Armando Casas-Beltran and
  • Jesús Alvarado-Flores

17 April 2020

Sunscreens have spread widely into aquatic systems over the last 18 years in Quintana Roo, Mexico. This contamination is caused by intensive use as a result of leisure activities, as sunbathers apply the substances intensively (up to 83.75% of touris...

  • Article
  • Open Access
5 Citations
3,273 Views
17 Pages

Long-Term Analysis of Tropospheric Ozone in the Urban Area of Guadalajara, Mexico: A New Insight of an Alternative Criterion

  • José de Jesús Díaz-Torres,
  • Valeria Ojeda-Castillo,
  • Leonel Hernández-Mena,
  • Josefina Vergara-Sánchez,
  • Hugo Albeiro Saldarriaga-Noreña and
  • Mario Alfonso Murillo-Tovar

18 January 2022

Tropospheric ozone is an obligatorily-regulated pollutant, to ensure health protection and better air quality. Most countries have established maximum permissible limits (MPL) equal to 0.06 or 0.070 ppmv, but these could be insufficient considering t...

  • Article
  • Open Access
3 Citations
2,773 Views
12 Pages

Effects of Pesticides on the Survival of Shredder Nectopsyche sp. (Trichoptera) and Leaf Decomposition Rates in Tropical Andes: A Microcosm Approach

  • Christian Villamarín,
  • Miguel Cañedo-Argüelles,
  • Constanza Carvajal-Rebolledo and
  • Blanca Ríos-Touma

24 November 2022

Andean streams are becoming increasingly impacted by agricultural activities. However, the potential effects of pesticides on their aquatic biodiversity remain unassessed. In order to address this knowledge gap, we conducted an experiment over 37 day...

  • Article
  • Open Access
4 Citations
2,955 Views
11 Pages

Biorecovery of Agricultural Soil Impacted by Waste Motor Oil with Phaseolus vulgaris and Xanthobacter autotrophicus

  • Blanca Celeste Saucedo Martínez,
  • Liliana Márquez Benavides,
  • Gustavo Santoyo and
  • Juan Manuel Sánchez-Yáñez

26 May 2022

Agricultural soil contamination by waste motor oil (WMO) is a worldwide environmental problem. The phytotoxicity of WMO hydrocarbons limits agricultural production; therefore, Mexican standard NOM-138-SEMARNAT/SSA1-2012 (NOM-138) establishes a maximu...

  • Article
  • Open Access
4 Citations
1,712 Views
12 Pages

Coal Dust and Methane as a Hazard in Coal Preparation Plants

  • Aleksander Lutyński and
  • Marcin Lutyński

9 December 2024

This article presents the results of analysis of the hazards posed by coal mine dust and methane in the coal preparation plants of hard coal mines in Poland. It was shown how the number of workplaces in plants at risk of coal dust explosion and the h...

  • Article
  • Open Access
8 Citations
5,742 Views
9 Pages

Indoor Radon Gas (222Rn) Levels in Homes in Aldama, Chihuahua, Mexico and the Risk of Lung Cancer

  • Carolina Lerma-Treviño,
  • Hector Rubio-Arias,
  • Luis Humberto Colmenero-Sujo,
  • Maria De Lourdes Villalba and
  • Jesus Manuel Ochoa-Rivero

Radon (222Rn) is an odorless and tasteless gas that is known to cause lung cancer. The objective of this research was to quantify the levels of exposure to radon among people living in an environment rich in uranium (U). Radon concentrations were mea...

  • Proceeding Paper
  • Open Access
6 Citations
1,444 Views
10 Pages

This study examines the environmental impact of a nuclear power plant’s (NPP) open-cycle cooling systems (CCSs), focusing on the Rivne NPP in Ukraine. Regulatory standards from the Water Code of Ukraine and the EU’s Water Framework Direct...

  • Proceeding Paper
  • Open Access
206 Views
5 Pages

7 November 2025

The need for an accurate, rapid, and affordable method for determining nitrite ions arises from their toxic effects on humans at elevated levels in wastewater and drinking water. The electrochemical determination is faster, cheaper, and less labor-in...

  • Article
  • Open Access
5 Citations
3,620 Views
18 Pages

Health Impacts of Surface Ozone in Outdoor and Indoor Environments of Hattar Industrial Units, KPK, Pakistan

  • Suneela Jadoon,
  • Shamyla Nawazish,
  • Zahid Majeed,
  • Ayesha Baig,
  • Syed Majid Bukhari,
  • Abu ul Hassan Faiz,
  • Abdulnoor A. J. Ghanim,
  • Muhammad Irfan,
  • Saifur Rahman and
  • Farid Ullah

29 November 2022

This research was carried out to analyze variations in indoor and outdoor ozone concentrations and their health impact on local communities of megacities in Pakistan. For indoor ozone measurements, industrial units of an economic zone, Hattar Industr...

  • Article
  • Open Access
4 Citations
2,491 Views
17 Pages

Can Potato Crop on Sandy Soil Be Safely Irrigated with Heavy Metal Polluted Water?

  • Tarek Selim,
  • Samah M. Elkefafy,
  • Ronny Berndtsson,
  • Mohamed Elkiki and
  • Ahmed A. El-kharbotly

11 April 2022

Heavy metal (HM) accumulation in soil and plants can occur when water contaminated with HMs is used as a source of irrigation (El-Salam Canal, Egypt). In this study, the effect of watering potato crop in sandy soil from a polluted water source under...

  • Article
  • Open Access
5 Citations
2,954 Views
16 Pages

2 April 2024

This study evaluates the pollution of the Machángara River basin in Ecuador. For the assessment, water samples were pumped from the river for 1 to 4 h, with a representative water sample of 4 L collected. In the site and laboratory, the physic...

  • Article
  • Open Access
19 Citations
3,969 Views
10 Pages

Prevalence of Mycotoxins and Endotoxins in Total Mixed Rations and Different Types of Ensiled Forages for Dairy Cows in Lithuania

  • Gintarė Vaičiulienė,
  • Bronius Bakutis,
  • Jurgita Jovaišienė,
  • Rimvydas Falkauskas,
  • Gediminas Gerulis,
  • Sigita Kerzienė and
  • Violeta Baliukonienė

12 December 2021

In this study, 119 samples of total mixed rations and different types of ensiled forage (maize and grass silage, and haylage) collected in 2019–2020 from dairy farms in Lithuania were analyzed to evaluate the quantitative occurrence of mycotoxi...

  • Article
  • Open Access
7 Citations
4,075 Views
23 Pages

24 March 2022

The soil at ancient roasting sites in the surroundings of the Idrija mine (Slovenia) is highly contaminated with mercury. To assess the impact of mercury on groundwater by infiltration and find an eco-friendly remediation method, the leaching of merc...

  • Article
  • Open Access
10 Citations
2,751 Views
16 Pages

Modelling of the Chemical Halo of Dust Pollution Migration in Loparite Ore Tailings Storage Facilities

  • Eugenia Krasavtseva,
  • Victoria Maksimova,
  • Dmitriy Makarov and
  • Eugeniy Potorochin

30 September 2021

The article presents a study of the environmental impact of dusting tailing dumps of rare-metal ore dressing in the Murmansk region of Russia. The purpose of the study was to establish patterns in the atmochemical halo migration of the dust pollution...

  • Article
  • Open Access
18 Citations
6,835 Views
14 Pages

12 December 2021

Land snails are crucial consumers in the terrestrial environment and beneficial significant bioindicators to evaluate the chemical impact in the ecosystem, especially on urban lands. The present study aimed to investigate the concentration of heavy m...

  • Article
  • Open Access
3 Citations
2,202 Views
17 Pages

Industrial Environmental Impact Assessment Method Based on Detection of Complex Anomalies in Time Series

  • Elena Safonova,
  • Alla Kravets,
  • Maxim Shcherbakov,
  • Alexey Kizim,
  • Mohammad Al-Gunaid and
  • Alexander Echin

24 September 2024

To minimize the environmental impact of energy enterprises, it is important to promptly identify cases of possible changes in the quality of wastewater generated at power plants, that is, cases of exceeding the maximum permissible concentrations of c...

  • Article
  • Open Access
1 Citations
1,488 Views
14 Pages

Air Pollution Problems in Apartments Equipped with Gas Stoves

  • Alexander Shkarovskiy and
  • Agnieszka Maliszewska

18 March 2025

This article considers issues related to air pollution in residential apartments equipped with gas stoves. The combustion products from gas stoves are released directly into the indoor air, where people can spend a significant part of their time. Eve...

  • Article
  • Open Access
7 Citations
6,861 Views
14 Pages

Nitrates and Nitrites in Leafy Vegetables: The Influence of Culinary Processing on Concentration Levels and Possible Impact on Health

  • Sanja Luetic,
  • Zlatka Knezovic,
  • Katarina Jurcic,
  • Marina Luetic Perasovic and
  • Davorka Sutlovic

Vegetables, as an important source of vitamins and minerals, are highly recommended in a healthy diet. At the same time, vegetables can contain elevated amounts of nitrates and nitrites, which are the possible nitrosating agents responsible for the f...

  • Article
  • Open Access
15 Citations
3,772 Views
15 Pages

23 June 2021

Cabin air quality and thermal conditions have a direct impact on passenger and flight crew’s health and comfort. In this study, in-cabin thermal environment and particulate matter (PM) exposures were investigated in four China domestic flights. The m...

  • Article
  • Open Access
3 Citations
2,305 Views
14 Pages

Magnetic Susceptibility Prospecting and Geochemical Characterization of Taxco’s Mining Waste Dam Guerrero I (Mexico)

  • Juan Morales,
  • María del Sol Hernández Bernal,
  • Nayeli Pérez Rodríguez and
  • Avto Goguitchaichvili

Mining activity at Taxco produces seven mining waste deposits, which are problematic for the health of the community and for the environment in general. This study targets the Guerrero I mining waste dam (the youngest of the region), located south of...

  • Article
  • Open Access
8 Citations
3,158 Views
22 Pages

11 September 2022

In the frame of the radioecological monitoring after the Chernobyl nuclear power plant accident, the features of migration and distribution of artificial radionuclides in the North Crimean Canal (NCC) irrigation system were studied. Standard methods...

  • Article
  • Open Access
3 Citations
3,179 Views
18 Pages

Whole-Body Toxic Metals and Morphometric Measurements in Brown Shrimp Penaeus aztecus in the Gulf of Mexico

  • María del Refugio Castañeda-Chávez,
  • Gabycarmen Navarrete-Rodríguez,
  • Armando T. Wakida-Kusunoki,
  • Ernesto Baruch-Garduza and
  • David Reynier-Valdés

19 October 2022

Fishing of the brown shrimp Penaeus aztecus is an important socioeconomic activity, generating income and different jobs for the fishing sector; however, this species is exposed to contaminants such as toxic metals. The objective of this research was...

  • Article
  • Open Access
3 Citations
3,572 Views
12 Pages

Cherry productivity is challenging in Europe due to the presence of the cherry fruit fly (Rhagoletis cerasi). Trunk injection is an alternative method of insecticide delivery that may improve pesticide performance in controlling pests. In our study,...

  • Article
  • Open Access
25 Citations
8,502 Views
11 Pages

Cadmium Uptake in Native Cacao Trees in Agricultural Lands of Bagua, Peru

  • Manuel Oliva,
  • Karol Rubio,
  • Melissa Epquin,
  • Gladys Marlo and
  • Santos Leiva

11 October 2020

Cadmium (Cd) contamination threatens cocoa farming in the province of Bagua in Amazonas, Peru. This study reports our assessment of Cd concentrations in cocoa farm soils, and in cocoa roots, leaves, testa, and cotyledon, thus evaluating the magnitude...

  • Communication
  • Open Access
2 Citations
4,114 Views
9 Pages

15 November 2022

Air pollution has considerable effects on the human skin, showing that every single pollutant has a different toxicological impact on it. The oxidative stress that exceeds the skin’s antioxidant capacity can lead to oxidative damage and prematu...

  • Article
  • Open Access
3 Citations
3,475 Views
21 Pages

9 February 2023

The importance of selenium in the marine environment is highlighted by its bilateral behavior as a nutrient and toxic element. The cathodic stripping voltammetry validated method was used to determine the selenium concentration. The concentration of...

  • Article
  • Open Access
20 Citations
7,703 Views
20 Pages

This study uses a vector autoregression (VAR) model to analyze changes in pollutants among different mining industries and related policy in China from 2001 to 2014. The results show that: (1) because the pertinence of standards for mining waste wate...

  • Article
  • Open Access
8 Citations
8,041 Views
15 Pages

3 June 2015

The human and environmental impact of electronic waste is increasing due to its careless disposal. Cytogenotoxicity of electronic waste from Iloabuchi electronic market, Diobu, Rivers State was investigated using the Allium cepa bioassay comprised of...

  • Article
  • Open Access
11 Citations
3,064 Views
21 Pages

Short-Term Effects of Atmospheric Pollution on Daily Mortality and Their Modification by Increased Temperatures Associated with a Climatic Change Scenario in Northern Mexico

  • Rosa María Cerón Bretón,
  • Julia Griselda Cerón Bretón,
  • Jonathan W. D. Kahl,
  • María de la Luz Espinosa Fuentes,
  • Evangelina Ramírez Lara,
  • Marcela Rangel Marrón,
  • Reyna del Carmen Lara Severino and
  • Martha Patricia Uc Chi

Short-term effects of air pollution on the health of residents in the Metropolitan Area of Monterrey, Mexico were assessed from 2012–2015 using a time-series approach. Guadalupe had the highest mean concentrations for SO2, CO and O3; whereas Santa Ca...

  • Article
  • Open Access
6 Citations
2,977 Views
21 Pages

3 November 2023

The purpose of this research was to determine the natural factors that contribute to maintaining the standard quality of fresh drinking groundwater in areas with high strontium content. Hazard index values for the consumption of water containing stro...

  • Article
  • Open Access
37 Citations
12,562 Views
26 Pages

Health Risks Due to Metal Concentrations in Soil and Vegetables from the Six Municipalities of the Island Province in the Philippines

  • Ronnel C. Nolos,
  • Christine Joy M. Agarin,
  • Maria Ysabel R. Domino,
  • Pauline B. Bonifacio,
  • Eduardo B. Chan,
  • Doreen R. Mascareñas and
  • Delia B. Senoro

This paper investigated the health risks due to metal concentrations in soil and vegetables from the island province in the Philippines and the potential ecological risks. The concentrations of Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn in vegetables and soi...

  • Article
  • Open Access
15 Citations
5,488 Views
21 Pages

Reverse Osmosis Modeling Study of Lead and Arsenic Removal from Drinking Water in Tarija and La Paz, Bolivia

  • Esteban Manuel Villena-Martínez,
  • Paola Andrea Alvizuri-Tintaya,
  • Jaime Lora-García,
  • Juan Ignacio Torregrosa-López and
  • Vanesa Gladys Lo-Iacono-Ferreira

17 September 2022

An investigation of primary water sources in two Bolivian basins identified the presence of heavy metals toxic to health that exceeded the permissible limits for drinking water. Lead deposited in the San Jacinto and Huacata–Tarija reservoirs wi...

  • Feature Paper
  • Article
  • Open Access
17 Citations
3,776 Views
20 Pages

Insights into Equilibrium and Adsorption Rate of Phenol on Activated Carbon Pellets Derived from Cigarette Butts

  • Nahum A. Medellín-Castillo,
  • Raúl Ocampo-Pérez,
  • Angélica Forgionny,
  • Gladis J. Labrada-Delgado,
  • Ana I. Zárate-Guzmán,
  • Sergio A. Cruz-Briano and
  • Rogelio Flores-Ramírez

26 May 2021

In the present work, the preparation of activated carbon pellets from cigarette butts by thermal treatment was evaluated. The morphological, textural, topological, and surface chemical properties were studied by SEM-EDX, N2 adsorption, Raman, and FTI...

  • Article
  • Open Access
23 Citations
4,912 Views
12 Pages

Analysis of Mycotoxin and Secondary Metabolites in Commercial and Traditional Slovak Cheese Samples

  • Luana Izzo,
  • Petra Mikušová,
  • Sonia Lombardi,
  • Michael Sulyok and
  • Alberto Ritieni

10 February 2022

Cheese represents a dairy product extremely inclined to fungal growth and mycotoxin production. The growth of fungi belonging to Aspergillus, Penicillium, Fusarium, Claviceps, Alternaria, and Trichoderma genera in or on cheese leads to undesirable ch...

  • Article
  • Open Access
16 Citations
4,939 Views
19 Pages

19 November 2018

Increase in grid resolution in atmospheric non-steady-state dispersion models induces a more faithful reflection of the area surface, and thus contributes to more detailed and diversified calculation results but also significantly prolongs the calcul...

  • Article
  • Open Access
64 Citations
8,192 Views
16 Pages

Most organochlorine pesticides (OCPs) which are increasingly used in agriculture and industry are not biodegradable and thereby persist in the environment for a very long period of time. They are capable of negatively impacting the health of humans a...

  • Article
  • Open Access
11 Citations
3,057 Views
18 Pages

Background Content of Polycyclic Aromatic Hydrocarbons during Monitoring of Natural and Anthropogenically Transformed Landscapes in the Coastal Area Soils

  • Tamara Dudnikova,
  • Tatiana Minkina,
  • Svetlana Sushkova,
  • Andrey Barbashev,
  • Elena Antonenko,
  • Elizaveta Konstantinova,
  • Evgenyi Shuvaev,
  • Dina Nevidomskaya,
  • Artem Ivantsov and
  • Marina Gorbunova
  • + 1 author

30 June 2023

The large-scale studies of the Lower Don and the Taganrog Bay coastal zone were carried out to determine the background concentrations of polycyclic aromatic hydrocarbons (PAHs) in soils. The content of 15 priority PAHs was determined by saponificati...

  • Article
  • Open Access
179 Views
17 Pages

Total Petroleum Hydrocarbons (TPHs) in Groundwater of the Ecuadorian Amazon: Implications for Human Health

  • Johanna Zambrano-Anchundia,
  • Janner Galarza-Alava,
  • Demmy Mora-Silva,
  • María José Sanchez,
  • Salvatore Straface,
  • Samantha Jiménez-Oyola and
  • Carlos Mestanza-Ramón

16 February 2026

The Ecuadorian Amazon, particularly in the provinces of Sucumbíos and Orellana, has been heavily impacted by oil activity since the 1970s. In this context, this study analyzed 161 groundwater samples taken from deep domestic wells in both prov...

  • Article
  • Open Access
458 Views
16 Pages

1 January 2026

The study evaluated the feasibility of using the activated sludge process to treat real wastewater from used oil installations containing petroleum hydrocarbons, boron (B), and adsorbable organic halides (AOX). The aim was to determine the maximum ra...

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