Thermotolerant Coliform
Mostrando 13-20 de 20 artigos, teses e dissertações.
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13. Avaliação da filtração e ozonização de efluente sanitário primário: aspectos de inativação microbiana e variáveis de ozonização
Ozonation tests with and without prior filtration by means of a 50 micron mesh cartridge filter were conducted with primary sanitary effluents. Filtration led to increased inactivation efficiencies with regard to total and thermotolerant coliforms but it did not seem to influence heterotrophic plate count (HPC) bacteria inactivation efficiencies significantl
Química Nova. Publicado em: 2008
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14. Evaluation of the quality of the water consumed by the population of the District of Sana - Macaé - RJ. / Avaliação da qualidade da água consumida pela população do distrito do Sana Macaé - RJ.
The water is vehicle of pathogenic microoganisms and noxious substances for human health, so its great importance the control of the physiochemical and microbiological characteristics. The aim of this study was to evaluate the quality of the water consumed by the population of the District of Sana - Macaé - RJ, through physiochemical, bacteriological and pa
Publicado em: 2008
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15. Avaliação da qualidade sanitária da água do Rio Uno e período de chuva
Este estudo teve por finalidade buscar informações sobre a qualidade da água do rio Una, por meio de análises de coliformes totais e coliformes termotolerantes, bem como de estudos sobre os impactos causados no entorno. Foram coletadas oito amostras ao longo do Rio Una. As taxas de coliformes totais foram de 1000 e ≥ 1600 NMP/mL, nos meses de dezem
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/12/2007
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16. Avaliação da eficiência da remoção de matéria orgânica e microbiológica de três sistemas de lagoas de estabilização em série na Grande Natal-RN: Beira Rio, Jardim Lola I e Jardim Lola II
Waste stabilization ponds are the main technology in use for domestic sewage treatment in Rio Grande do Norte State (RN), northeast Brazil. The are around 80 systems, constructed mainly by municipal city halls, being series comprised by a primary facultative pond followed by two maturation ponds the most used configuration. Due to problems related with the p
Publicado em: 2006
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17. Determinação de contaminação por coliformes termotolerantes, fósforo e metais traço (Cu, Pb e Hg) em água e sedimentos de galerias pluviais / Determination of contamination by thermotolerant coliform, phosphorus and trace metals (Cu, Pb and Hg) in water and sediments of rain galleries
Volumes consideráveis de esgoto doméstico e efluentes industriais, sem tratamento, são lançados nos oceanos causando a contaminação dos ecossistemas aquáticos e colocando em risco a saúde pública e ambiental. O presente estudo teve por objetivo investigar a presença de metais-traço, fosfato, coliformes termotolerantes e Escherichia coli em água e
Publicado em: 2006
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18. Comparison of Coliforms and Coliphages as Tools for Assessment of Viral Contamination in River Water
The aim of the study was to evaluate the presence of pathogenic viruses in the Moselle River and to compare the usefulness of thermotolerant coliforms and somatic coliphages as tools for river water quality assessment in terms of viral contamination. Thermotolerant coliforms and somatic coliphages were enumerated by standardized methods in 170 samples of riv
American Society for Microbiology.
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19. Comparison of four membrane filter methods for fecal coliform enumeration.
Four membrane filter methods fecal coliform enumeration were evaluated and compared in six laboratories based on determination of accuracy, specificity, upper counting limit, and recovery comparability. Recovery accuracy with pure cultures ranged from 89 to 100% for m-FC, mTEC (a procedure developed for thermotolerant Escherichia coli), and m-FC2 methods (th
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20. Source and extent of Klebsiella pneumoniae in the paper industry.
Three pulp and paper mill processing plants were evaluated for fecal coliform and Klebsiella pneumoniae bacterial concentrations. Freshwater consumed by paper industries contained minimum detectable levels of K. pneumoniae, less than 10 organisms per 100 ml. Elevated concentrations of K. pneumoniae could be traced from early pulping stages to water processin