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31.
32.
Elisandra C. Martins Vander F. Melo 《Journal of environmental science and health. Part. B》2020,55(1):11-18
AbstractThe sorption and desorption of diuron by soil samples from Horizons A and B (HA and HB) and by their different clay fractions were investigated, using two soil samples, classified as Typic Argiudoll and Oxic Argiudoll. The sorption and desorption curves were adjusted to the Freundlich model and evaluated by parameters Kf, Kd and Koc. Based on the data of groundwater ubiquity score (GUS), leachability index (LIX) and hysteresis index (HI), the risk of groundwater pollution was evaluated. The Kd values obtained for soil samples were between 4.5?mL g?1 (Oxic Argiudoll – HB) and 15.9?mL g?1 (Typic Argiudoll – HA) and between 1.13 and 14.0?mL g?1 for the different mineral fractions, whereas the Koc values varied between 276 (Oxic Argiudoll – HB) and 462 (Typic Argiudoll – HA). According to the parameter GUS, only Oxic Argiudoll – HB presented leaching potential, and based on the LIX index this same soil presented the highest leaching potential. Some samples presented low LIX and GUS values, indicating no leaching potential, but none presented HI results indicative of hysteresis, suggesting weak bonds between diuron and the soil samples and, hence, the risk of groundwater pollution by diuron. 相似文献
33.
Silveira Elaine Divina Rodrigues Benvindo-Souza Marcelino Assis Rhayane Alves dos Santos Cirley Gomes Araújo de Lima Amorim Nathan Pereira Borges Rinneu Elias de Melo Celine de Souza Santos Lia Raquel 《Environmental science and pollution research international》2022,29(10):14279-14287
Environmental Science and Pollution Research - Free-living birds play an important role as bioindicators in natural environments. In this study, we used the micronucleus test and nuclear... 相似文献
34.
The efficacy of ozonation and of photocatalysis processing in the treatment of pulp mill ECF (elementary chlorine free) bleaching and textile effluents was evaluated by determining total organic carbon reduction (TOC) and the toxicity. The chronic toxicity of the effluents was evaluated by the ability to inhibit the growth of algae Selenastrum capricornutum. Cultured hamster V79 fibroblasts were used to assess the cytotoxicity of effluents submitted to different detoxification processes. Two endpoints were measured in V79 cells: 3-(4,5-dimethylthiazole-2-yl)-2,5-biphenyl tetrazolium bromide (MTT) reduction and neutral red uptake (NRU). Both treatment processes were able to reduce the TOC, although ozonization was less effective for pulp mill ECF bleaching. The pulp mill ECF bleaching and textile effluents reduced the growth of S. capricornutum by 39% and 27%, respectively. However, at the highest concentration tested, the textile effluents treated by photochemical process for 60 min showed increased cytotoxicity in V79 cells compared to the untreated effluent when assessed by the NRU and MTT reduction assays (increases of 30% and 40%, respectively). Pulp mill ECF bleaching effluent treated by ozonization had a similar cytotoxicity to that of untreated effluent in the NRU assay. In contrast, the MTT reduction assay indicated that effluents treated with ozone were around 20% more cytotoxic than untreated effluents. These results show that cultured fibroblasts may be useful for studying cellular responses to pollutants and may be included in tests to monitor the efficiency of effluent detoxification processes. 相似文献
35.
Aluísio Braz De Melo Arlindo F. Gonçalves Isabel M. Martins 《Resources, Conservation and Recycling》2011,55(12):1252-1264
The management of construction and demolition waste (CDW) is essential in the formation, growth and renovation of urban areas. This paper presents part of a study on CDW generation and management in the Lisbon Metropolitan Area (LMA). CDW generation was estimated for 2006 and 2007 based on construction activity and waste load movements. The results revealed that in the municipality of Lisbon, remodeling construction activity prevailed, with CDW generation indicators of 954 t/day and a per capita rate of 0.60 t/year. Both values are above the average for the LMA and its two sub-regions (Greater Lisbon and the Setúbal Peninsula). The installed infrastructure for CDW management identified in the LMA is situated within a maximum distance of about 23 km from the geometric center of the city of Lisbon. Despite the fact these locations favor the municipality of Lisbon, the occurrence of illegal dumps is still a reality. A notable effort towards environmental education addressing CDW management is under way so as to make involved citizens aware of the recent CDW legislation, Decree-Law Nr. 46/2008, as well as of the problems arising from scenarios of environmental degradation and uncontrolled use of natural resources in the civil construction sector. Policies are outlined aiming to move towards the more judicious management of CDW. 相似文献
36.
de Araújo Neto Cláudio Luis Gurjão Renan Ítalo Leite Farias Amanda Paiva de Melo Márcio Camargo Monteiro Veruschka Escarião Dessoles 《Environmental science and pollution research international》2021,28(47):66819-66829
Environmental Science and Pollution Research - The properties of municipal solid waste (MSW) in landfills vary considerably, depending on the waste’s composition, time, and density. This... 相似文献
37.
Prado Tatiana Barbosa Mikaela Renata Funada Araújo Ronalda Silva Garcia Suzi Cristina Melo Adalgisa Jesus Galvani Ana Tereza Brandão Carlos Jesus Silva Renan Lourenço Oliveira Sato Maria Inês Zanoli 《Food and environmental virology》2021,13(4):520-527
Food and Environmental Virology - Hepatitis A virus (HAV) is the major cause of enterically transmitted infectious hepatitis. Between 2016 and 2017, the number of confirmed cases of hepatitis A... 相似文献
38.
Lopes Géssica de Oliveira Aragão Walessa Alana Bragança Nascimento Priscila Cunha Bittencourt Leonardo Oliveira Oliveira Ana Carolina Alves Leão Luana Ketlen Reis Alves-Júnior Sergio Melo Pinheiro João de Jesus Viana Crespo-Lopez Maria Elena Lima Rafael Rodrigues 《Environmental science and pollution research international》2021,28(9):10918-10930
Environmental Science and Pollution Research - This study aimed to investigate the effects of lead (Pb) exposure on parotid and submandibular glands through morphological aspects as well as the... 相似文献
39.
Giovana Poggere Maria Júlia Bonfim Santana Julierme Zimmer Barbosa Rodrigo Studart Corrêa Leônidas Carrijo Azevedo Melo 《环境质量管理》2023,32(3):27-41
Biochar has been intensively researched worldwide. In Brazil, there is a variety of feedstock production that can be turned into soil amendments of high performance through biochar conversion, especially solid wastes. However, advances in biochar research in Brazil have not been systematically evaluated to indicate possible gaps and suggest future research for eco-friendly applications. Thus, in this work we evaluated biochar properties and effects on air, water, and soil quality based on data gathered from researches performed in Brazil. Biochar has been mainly evaluated as soil conditioner (37%), material characterization (17%), water treatment (12%), and greenhouse gases emissions (9%). Based on the data synthesis of 68 feedstocks used for biochar production, we observed that the pyrolysis temperature profoundly affects biochar properties. Meta-analysis indicated benefits of biochar addition to soils for chemical, physical, microbiological and biochemical attributes that have resulted in increases in root growth (+30%), and plant shoots (+45%). Pyrolysis temperature and feedstock are key choices to design biochar properties aiming to retain dyes, aromatic hydrocarbon, pesticides, and metals in water and wastewater treatment. It was also observed an increase in CO2 and a decrease in N2O emissions after biochar application to soils in short-term experiments. Although there is a growing interest in the development of electrochemical sensors and biochar-based fertilizers, technological applications of biochar are still incipient in Brazil. Future research should prioritize long-term and mechanistically evaluations of biochar under field conditions and the development of eco-friendly technological applications. 相似文献
40.
Melo Tatiane Medeiros Bottlinger Michael Schulz Elke Leandro Wilson Mozena de Aguiar Filho Adelmo Menezes Ok Yong Sik Rinklebe Jörg 《Environmental geochemistry and health》2018,40(1):557-558
Environmental Geochemistry and Health - Unfortunately, in the original publication of the article, Prof. Yong Sik Ok’s affiliation was incorrectly published. The author’s affiliation is... 相似文献