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Dissertations / Theses on the topic 'Hospital effluents'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Coito, Ana Margarida Barros do. "Bacterial communities and antibiotic resistance genes in hospital effluents and municipal wastewaters of Aveiro." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15404.

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Mestrado em Microbiologia<br>O ambiente hospitalar é caracterizado por uma grande diversidade de diferentes espécies bacterianas, as quais podem tornar-se resistentes a antibacterianos. Apesar da natureza específica de efluentes hospitalares, estes são considerados com a mesma carga poluente e como constituintes das águas residuais urbanas, sendo descarregados para redes de esgotos urbana, recolhidos e cotratados com os efluentes municipais na ETAR. O objetivo do estudo consistiu em avaliar a estrutura das comunidades microbianas e determinar a ocorrência e abundância de genes relacionados co

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2

Ory, Jérôme. "Effluents hospitaliers : sources de pollution en antibiotiques et de résistances bacériennes potentiellement transmissibles via un biofilm ? : Microbiologie." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC111/document.

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L’anthropisation médicamenteuse des eaux usées favorise l’émergence et la diffusion dans l’environnement de microorganismes résistants aux antibiotiques. Les effluents hospitaliers pourraient être doublement impliqués en véhiculant antibiotiques et bactéries multirésistantes. L’objectif de ce travail est de caractériser les effluents hospitaliers d’un Centre Hospitalo-Universitaire en évaluant simultanément les concentrations d’antibiotiques (fluoroquinolones et imipénème) et la diversité des bactéries résistantes à ces antibiotiques au sein de biofilms constitués in situ. Les concentrations e

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3

GALLETTI, Alessio. "Pharmaceutical compounds in waters. Investigations on hospital effluents as a source of environmental contamination and on their treatability." Doctoral thesis, Università degli studi di Ferrara, 2011. http://hdl.handle.net/11392/2388730.

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The activity research done during this Ph.D., was born as an overview of pharmaceutical compounds (PhCs) in wastewaters (WWs). In particular, the aim of this work was evaluate the occurrence of these emerging pollutants in the hospital’s wastewaters (HWWs), considered one of the main sources of these contaminants in the public sewage and in the environment. To do this, many water samples (withdrawn from different kind of waters: groundwaters, surface waters, drinking waters, urban wastewaters, hospital wastewaters, bottle waters) were analysed in order to investigate the problem and have

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4

Alrhmoun, Mousaab. "Hospital wastewaters treatment : upgrading water systems plans and impact on purifying biomass." Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0042/document.

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Cette recherche porte sur l’élimination des micropolluants pharmaceutiques des effluents hospitaliers par des procédés biologiques classiques (boue activée) et membranaire. Il est montré que les systèmes à membrane, externe ou immergée, permettent un meilleur traitement, ou une meilleure rétention, de plus de 50% des molécules pharmaceutiques mesurés. Afin d’améliorer l’efficacité des procédés membranaires, des supports bactériens ont été ajoutés dans le bassin biologique permettant de diminuer considérablement le colmatage. Il est montré qu’une des conséquences de la présence de ce garnissage

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5

Coulibaly, Gnougon Nina. "Élimination des antibiotiques quinolones sur des catalyseurs supportés : Applications sur des effluents hospitaliers." Thesis, Rennes, Ecole nationale supérieure de chimie, 2019. https://www.ensc-rennes.fr/formations/doctorats.

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L'usage excessif des antibiotiques en médecine humaine et animale pose de graves problèmes environnementaux et de santé publique. L’objectif de cette thèse était d’éliminer deux types d’antibiotiques quinolones pouvant être détectés dans des eaux usées ou effluents hospitaliers. Dans un premier temps, nous avons évalué la réactivité d’oxydes métalliques (fer ou zinc) pour promouvoir des réactions d’oxydation avancée, en présence d’oxydants comme le peroxyde d’hydrogène, le persulfate ou le peroxymonosulfate, et sous irradiation (UVA ou visible). Les oxydes réactifs étaient supportés sur des me

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6

Orias, Frédéric. "Contribution à l'évaluation des risques écotoxicologiques des effluents hospitaliers : bioconcentration, bioaccumulation et bioamplification des résidus pharmaceutiques." Thesis, Vaulx-en-Velin, Ecole nationale des travaux publics, 2015. http://www.theses.fr/2015ENTP0005/document.

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Les hôpitaux génèrent des effluents riches en résidus pharmaceutiques (RP), fonctions de leurs activités de soins et de diagnostic. Certains de ces RP sont aujourd’hui retrouvés de manière ubiquitaire dans les écosystèmes aquatiques, en raison de leurs propriétés persistantes et/ou de leur émission continue. La variété de ces RP est telle qu’il est nécessaire de les hiérarchiser, en fonction des risques qu’ils représentent pour l’Environnement, à des fins d’étude et de gestion. Un de ces risques est le transfert des RP bioaccumulables (i.e. Kow élevé et faible biodégradabilité) dans les chaîne

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7

Mater, Nicolas. "Evaluation de l’impact (éco) toxicologique de résidus médicamenteux présents dans les effluents hospitaliers, urbains et dans l’environnement à l’aide d’une batterie de bioessais et de biomarqueurs." Thesis, Toulouse, INPT, 2014. http://www.theses.fr/2014INPT0040/document.

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En Europe, le nombre de cancers est en constante augmentation et explique l’augmentation des traitements. Les bases de ces traitements sont la chimiothérapie et la radiothérapie, seules ou en association. Les chimiothérapies sont effectuées à l’aide de médicaments anticancéreux qui ont des propriétés toxiques pour les cellules. Après administration des traitements aux patients, les médicaments sont excrétés et se concentrent dans les effluents hospitaliers et les réseaux d’égouts. Bien que beaucoup de ces composés soient éliminés dans les stations d’épuration, certains sont difficilement biodé

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8

Lasek, Florence. "Présence, devenir et traitement des biocides dans les rejets d'un établissement hospitalier." Thesis, Poitiers, 2018. http://www.theses.fr/2018POIT2312/document.

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L’objectif de ce travail a été d’étudier la présence, le devenir et le traitement de biocides dans les rejets d’un établissement hospitalier. Pour cela, 3 substances biocides, représentatives d’une activité de soins (i.e. didécylmethylammonium (DDAC), digluconate de chlorhexidine (CHD) et bis(aminopropryl)laurylamine (BAPLA)) ont été ciblées et 5 campagnes de prélèvements réalisées sur l’ensemble du réseau de collecte des eaux usées du CHU de Poitiers ont été menées. Dans ces conditions, une émission continue de biocides sur 24 h, avec des quantités rejetées en journée plus importantes du fait

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9

Bailly, Emilie. "Étude de l'applicabilité des POCIS (Polar Organic Chemical Integrative Sampler) au dosage des résidus de médicaments dans les effluents hospitaliers." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00818919.

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L'évaluation des risques environnementaux et sanitaires liés à la présence de résidus de médicaments dans l'environnement, représente un enjeu majeur en particulier au regard de la gestion du cycle des usages de l'eau. Les effluents des établissements de soins représentent une source non négligeable de pollution et justifient le développement de techniques spécifiques de mesures des émissions de résidus de médicaments dans leurs eaux usées. Dans le cadre de ces développements de méthode, l'échantillonnage représente une des difficultés majeures car la matrice brute des eaux en sortie des hôpit

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10

Resende, Aline Cristina Batista. "DETECÇÃO DE MICRORGANISMOS PRESENTES NO EFLUENTE HOSPITALAR E NA ESTAÇÃO DE TRATAMENTO DE ESGOTO DE GOIÂNIA: PRESENÇA DE BACTÉRIAS GRAM-NEGATIVAS RESISTENTES AOS ANTIMICROBIANOS." Pontifícia Universidade Católica de Goiás, 2009. http://localhost:8080/tede/handle/tede/3095.

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Made available in DSpace on 2016-08-10T10:55:37Z (GMT). No. of bitstreams: 1 ALINE CRISTINA BATISTA RESENDE.pdf: 921510 bytes, checksum: b4208f02be180566c75ce748e7f29585 (MD5) Previous issue date: 2009-03-27<br>Introduction: The emergence of antimicrobial-resistant genes is becoming an increasingly important ecological issue. The selective pressure of antimicrobials is a significant factor in the selection and dissemination of resistance genes in the environment. Objective: The objective of this present study was to detect, isolate and identify Pseudomonas aeruginosa, Acinetobacter spp., Kle

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11

Minetto, Luciane. "Antibióticos macrolídeos: determinação e identificação de metabólitos e subprodutos de degradação em efluente hospitalar." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/4262.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Macrolide antibiotics are an important group of prescription drugs; as a consequence of the large and continuous use, they are commonly found in the environment. In the present study, it was developed and optimized a chromatographic method to assess the occurrence of macrolide antibiotics Azithromycin, Clarithromycin, Erythromycin and Roxithromycin in the effluent of the University Hospital of Santa Maria, in two sampling points, by applying high performance liquid chromatography coupled to mass detection with quadrupole ion trap

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12

ZAMBELLO, ELENA. "Occurrence of pharmaceuticals and personal care products in hospital effluent, urban wastewater and combined sewage overflow. Options for their management and treatment." Doctoral thesis, Università degli studi di Ferrara, 2016. http://hdl.handle.net/11392/2403379.

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E’ stato appurato che il consumo mondiale di farmaceutici ad uso umano e dei prodotti per la cura personale (FPCPs) è in aumento a causa dell'invecchiamento della popolazione e del miglioramento delle condizioni di vita delle persone. Una volta somministrati, i farmaci (FCs) vengono metabolizzati dal corpo umano e i loro residui vengono escreti attraverso l’urina e le feci. Anche i prodotti per la cura personale (PCPs), utilizzati per la pulizia e l’igiene, vengono scaricati nelle acque reflue dopo l'uso. Una volta raggiunto l'impianto di depurazione, questi composti possono subire modifiche a

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13

Mayer, Francieli Martins. "Parabenos em efluente hospitalar: quantificação e identificação de metabólitos e subprodutos de oxidação avançada." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/10549.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this study, it was developed an analytical methodology for the quantification of parabens (PBs) in hospital effluent (University Hospital of Santa Maria - HUSM), by using solid phase extraction (SPE) followed by liquid chromatography coupled to diode array detector (HPLC-DAD). The main SPE variables were investigated by multivariate planning and optimized for the extraction/recovery of methylparaben (MeP), ethylparaben (EtP), propylparaben (PrP), butylparaben (BuP) and benzylparaben (BeP). The recovery rates varied from 75% upto

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14

Mattiazzo, Alexandre Cezar Borges. "ANÁLISE DA TOXICIDADE E ECOTOXICIDADE DE REVELADOR DE IMAGENS RADIOGRÁFICAS MÉDICAS DE HOSPITAL PÚBLICO DE GOIÂNIA (GO)." Pontifícia Universidade Católica de Goiás, 2013. http://localhost:8080/tede/handle/tede/2519.

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Made available in DSpace on 2016-08-10T10:44:23Z (GMT). No. of bitstreams: 1 ALEXANDRE CEZAR BORGES MATTIAZZO.pdf: 1009474 bytes, checksum: 64d992c1ae157107f49ac0e8c483156a (MD5) Previous issue date: 2013-03-01<br>The liquid effluent from medical radiology centers is polluting and toxic and it can result in damage to humans and to the environment when it is discarded in the sanitary sewer system without prior treatment. This study aimed to chemically analyze OBD5, OCD, silver and total sulphate and also, through bioassays, to determine the toxic potential of the waste generated during the re

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15

Brenner, Carla Geane Brandenburg. "Antiandrogênios em efluente hospitalar: extração com barras poliméricas, quantificação, identificação de metabólitos e subprodutos, proposição de rotas de degradação por processos avançados de oxidação." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/4247.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this work, methods were developed for the determination of antiandrogens in hospital effluent using the analytical technique HPLC-DAD. Microextraction techniques of Spironolactone, Flutamide, Cyproterone and Tamoxifen were investigated: liquid-liquid (LLME) and sorptive extraction (SBSE). For quantification of the analytes in hospital effluent was used solid phase extraction (SPE) with recoveries of 75.0 to 109.0±1.0 to 13.0% in aqueous solution and from 72.0 to 106.0±2.0 to 13.0% in hospital effluent. The average concentrations

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16

Silva, Daiane Skupin da. "HPAs em águas superficiais e efluente hospitalar: degradação por PAOs e desenvolvimento de métodos para determinação e identificação de subprodutos." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/4279.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>In this study, was optimization an analytical method for identification and quantification method of Polycyclic Aromatic Hydrocarbons (PAHs) in surface water and hospital effluent samples. High Performance Liquid Chromatography with Fluorescence Detection (HPLC-FLD), assisted by Solid Phase Extraction (SPE) and Dispersive Liquid-Liquid Microextraction (DLLME), was used. For SPE, the use of organic modifiers was necessary owing to the low solubility of PAHs, and employed 20% of acetonitrile as such. Factorial design was applied an

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17

Almeida, Carlos Alberto Araujo de. "Identificação e determinação de fármacos ansiolíticos e antiepilépticos e seus metabólitos em efluente hospitalar." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/4242.

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A new analytical methodology was developed in order to investigate the presence of five psychoactive drugs (anxiolytic and antiepileptics), namely, bromazepam, carbamazepine, clonazepam, diazepam, and lorazepam in the effluent of the University Hospital of Santa Maria (HUSM) of the Federal University of Santa Maria (UFSM), since these compounds are widely used in the treatment of anxiety and epilepsy. Samples were collected from two points to check the concentration of the compounds: Point A (Emergency) and point B (General Effluent - which covers the Central Library and HUSM). The method of c

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18

Silva, Daiane Skupin da. "BTEX: Desenvolvimento de barras de extração sortiva, determinação em efluente hospitalar e degradação por meio de fotocatálise heterogênea com TiO2 suportado em polímeros." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/10499.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>In this work were developed low cost bars of sorptive extraction, using commercial adhesive based on polydimethylsiloxane (PDMS) for the preconcentration and determination of benzene, toluene, ethylbenzene and xylene (BTEX) in effluent from the University Hospital of Santa Maria (HUSM). It was applied multivariate fractional factorial design (26-2) to investigate the significance of the independent variables for the sorptive extraction of BTEX. The best conditions in aqueous solution and in hospital effluent were: 25 °C and 15 mi

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Altissimo, Joseline. "Desenvolvimento de método de quantificação de estatinas em efluente hospitalar e estudo de degradação oxidativa avançada." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/10605.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this study, an analytical method was developed for the quantification of statins Atorvastatin and Simvastatin, in hospital effluent (University Hospital of Santa Maria, using Solid phase extraction and Dispersive liquid-liquid microextraction, followed in liquid chromatography coupled to diode array detector. The principal variables of Dispersive liquid-liquid microextraction were investigated with aid of experimental central composite design. The recovery rates of Solid phase extraction varied from 95% for Atorvastatin and 83

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20

Cheng, Chii-Yu, and 鄭啟裕. "Toxicity Identification Evaluation of Hospital Effluents." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/53107541007238170113.

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碩士<br>國立交通大學<br>環境工程研究所<br>82<br>A well maintained plant,operating under design conditions may be capable of providing an acceptable level of treatment for conventional ordesign paraments,and still allow toxic compounds to be released to the environment. The study is based on the T. I.E.by U.S.EPAto determine the toxic compounds of hospital effluent.In addition to the correlation between the Microtox test and fish acute toxicity test. A T.I.E. was developed to identify the fractions of a co

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21

Varela, Ana Rita Boura. "Tracking antibiotic resistance from hospital effluents to the surrouding environment." Doctoral thesis, 2016. http://hdl.handle.net/10400.14/20134.

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Nas últimas décadas, o papel do ambiente na disseminação de resistência a antibióticos de relevância clínica tem recebido especial atenção. Neste âmbito, as águas residuais hospitalares e municipais, onde resíduos de antibióticos e bactérias resistentes são descarregados, estão entre os mais importantes reservatórios ambientais. Porém, o seu papel na disseminação da resistência ainda está pouco compreendido. O principal objectivo deste estudo foi o de avaliar a relevância dos efluentes hospitalares na disseminação de bactérias resistentes a antibióticos e de genes de resistência no ambie

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22

Riaz, ul Haq Muhammad. "Contributions from Healthcare Facilities to the overall Mass Loading of Pharmaceuticals on Wastewater Treatment Plants." Thesis, 2010. http://hdl.handle.net/10012/5634.

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The presence of human pharmaceuticals in the aquatic environment is now becoming a well-established fact. The identified problems associated with their presence include the fact that these compounds are biologically active, some of them are toxic in nature, and a number of compounds have potential to foster and maintain drug resistant microorganisms. They are discharged into the aquatic environment from a variety of sources, but mainly by the excretion of incompletely metabolized pharmaceuticals by individuals into the wastewater. This situation makes finding a source-control strategy difficul

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23

Li, Shih-Wei, and 李世偉. "Ecotoxicological Effect of Pharmaceuticals in Hospital Effluents in a Pharmaceutical Mixture and after Solar Irradiation." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/72k9es.

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博士<br>國立臺灣大學<br>環境工程學研究所<br>105<br>Pharmaceuticals are detected frequently in aquatic environments, including surface water, ground water and drinking water; these compounds cannot be adequately removed by conventional wastewater treatment plants and drinking water treatment systems. Hospital effluents are an important source of residual drugs and other classes of pharmaceuticals in aquatic environments, but current knowledge of the environmental effects of residual drugs is limited. The first objective of this research is to evaluate the ecotoxicity and variation of residual pharmaceuticals i

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24

Timraz, Kenda Hussain Hassan. "Removal Efficiency of Microbial Contaminants from Hospital Wastewaters." Thesis, 2016. http://hdl.handle.net/10754/600682.

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This study aims to evaluate the removal efficiency of microbial contaminants from two hospitals on-site Wastewater Treatment Plants (WWTPs) in Saudi Arabia. Hospital wastewaters often go untreated in Saudi Arabia as in many devolving countries, where no specific regulations are imposed regarding hospital wastewater treatment. The current guidelines are placed to ensure a safe treated wastewater quality, however, they do not regulate for pathogenic bacteria and emerging contaminants. Results from this study have detected pathogenic bacterial genera and antibiotic resistant bacteria in the sampl

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25

Pereira, Mónica Sofia Torres Gonçalves. "Mitigação do risco ambiental da descarga de efluentes hospitalares : contributo para a remoção de fármacos." Master's thesis, 2013. http://hdl.handle.net/1822/30977.

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Dissertação de mestrado integrado em Engenharia Civil (área de especialização em Perfil de Hidráulica e Ambiente)<br>O funcionamento das atividades hospitalares origina o consumo de grandes quantidades de água e medicamentos, produzindo efluentes com características específicas que são normalmente descarregados, sem nenhum pré-tratamento, na rede pública de drenagem de águas residuais, contribuindo para o incremento de micropoluentes emergentes (ME) presentes nas águas residuais urbanas. A remoção da maioria dos ME nas ETAR convencionais é incompleta e a sua introdução no ambiente representa u

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Hsu, Yuan-che, and 許原哲. "Study of Treating Effluent from a Hospital Wastewater Treatment Plant by a Constructed Wetland System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/41805360863460987445.

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碩士<br>嘉南藥理科技大學<br>環境工程與科學系碩士班<br>94<br>This study has set up the Artificial Wetland Experimental System Model Field for area about 1200m2 beside the wastewater treatment plant of Dalin Tzu Chi Medical Center, Chiayi Hsien, hoping to pump from the original wastewater treatment plant (secondary treatment water) into the designed artificial wetland experimental system model field for ecological treatment (tertiary treatment) with natural ecological water purification method in an attempt to reduce the total nitrogen amount to the degree of “agricultural irrigation water standard”, also to achieve

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Liu, Yu-Fu, and 劉昱甫. "Andesite as a filter in the constructed wetland to process the effluent water of hospital." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/40073542379776612416.

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碩士<br>國立中興大學<br>環境工程學系所<br>100<br>Abstract Constructed wetlands are designed and regulated by human to simulate the mechanism of water purification in natural wetlands in order to remove the water pollutants by the interaction of wetlands mediums, water, plants and microorganisms associating with physical, chemical, biological and other mechanisms. This is an economic ecological engineering method to reduce water pollutants. In this study the subject selected was domestic wastewater, combing an in-series constructed wetland for a small-scale tertiary wastewater treatment plant to further proce

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