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Dissertations / Theses on the topic 'Heavy fraction organic matter'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Karapanagiotis, Nicolas Konstantine. "Heavy metal retention by the organic fraction of sewage sludge." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342264.

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2

Hardin, John Wesley. "Quantification of soluble organic fraction measurement variation in diesel particulate matter emissions." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=6007.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains ix, 135 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 52-53).

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3

Barajas-Aceves, Martha. "Soil microbial biomass and organic matter dynamics in metal-contaminated soils." Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260604.

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4

van, Schaik Joris W. J. "Binding of metals to macromolecular organic acids in natural waters : does organic matter? /." Uppsala : Department of Soil and Environment, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200872.pdf.

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5

Zhou, Zhe. "Fe(II)-catalyzed transformation of ferrihydrite associated with natural organic matter." Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6670.

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The association between natural organic matter (NOM) and iron (Fe) minerals was widely found in soil and sediments and has been shown to impact the fate of Fe minerals and NOM. Ferrihydrite, a ubiquitous Fe mineral, serves as important sink for NOM and rapidly transforms to secondary Fe minerals in the presence of Fe(II). The associated NOM has been found to influence the Fe(II)-catalyzed ferrihydrite transformation pathway, but it remains unclear how various NOM affects this transformation and the implication. This study specifically investigates how different species of NOM affect Fe(II)-cat

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6

Ashworth, Daniel J. "The effects of dissolved organic matter on the behaviour of heavy metals in sewage sludge-amended soils." Thesis, University of Reading, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394419.

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7

LAZZATI, ZELDA. "Speciation of particulate matter's organic fraction and its mechanis of action on human health." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/7466.

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Three main researches have been employed for the implementation of a protocol analysis for the characterization and quantification of the lignin fraction in the particulate matter at the concentration matrix level; the implementation of different methods of analysis of the toxic interesting pollutants, Oxy-PAHs; Nitro-PAHs and the Bisphenol A, that together with the large set of performed analysis, allowed the characterization of some PM fractions in relation with Indoor and Outdoor concentrations, human exposure and Urban – Rural – Remote sites composition. At last an in silica method was dev

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8

Lozenko, Sergii. "Heavy metal ion sensors based on organic microcavity lasers." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2011. http://tel.archives-ouvertes.fr/tel-00744846.

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Monitoring of environmental pollutants present at low concentrations requires creation of miniature, low-cost, and highly sensitive detectors that are capable to specifically identify target substances. In this thesis, a detection approach based on refractive index sensing with polymer micro-lasers is proposed and its application to the detection of heavy metal pollutants in water (mercury - Hg2+, cadmium - Cd2+ and lead - Pb2+) is studied. The resonance frequencies of the microcavity are highly sensitive to the refractive indices of the resonator surrounding: the resonances shift by a small a

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9

LONGHIN, ELEONORA MARTA. "Particulate matter toxicity and health effects : in vitro assessment of the mechanisms of action." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2012. http://hdl.handle.net/10281/29888.

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Urban airborne particulate matter (PM) is known to increase morbidity and mortality due to cardiopulmonary diseases related to inflammatory processes and genotoxic effects. The study of PM-induced toxicity represents a very important field in order to understand the clinical outcomes and define the most harmful components involved. Despite the researchers’ effort, there are still unresolved questions regarding the cell mechanisms inducing the different adverse effects. Moreover, which PM components are more significant in determining the biological responses is still a debated question, althou

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10

Fairley, Maureen A. M. A. "The influence of sewage sludge-derived organic matter on the mobility and speciation of heavy metals in colliery spoil." Thesis, University of Edinburgh, 1999. http://hdl.handle.net/1842/13810.

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Sewage sludge and colliery spoil can be used in the reclamation of contaminated land. Heavy metals may be present in both spoil and sludge at higher than background levels. The decomposition of sewage sludge produces soluble organic molecules which can form complexes with heavy metals. The object of this thesis was to discover if authigenic metals in colliery spoil would be mobilised as a result of the presence of organic matter derived from sewage sludge. A laboratory experiment was conducted using 24 PVC columns (length 50 cm, diameter 6 cm) filled with colliery spoil (weight 1.8 kg) from th

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11

Akhiar, Afifi. "Caractérisation de la fraction liquide des digestats issus de la codigestion de résidus solides." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS004/document.

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Le secteur de la méthanisation à la ferme ou territoriale connait un fort développement, entrainant la production de grandes quantités de digestats. Si la fraction solide de ces digestats est généralement utilisée en tant qu’amendement organique, la fraction liquide peut être valorisée par la récupération des éléments minéraux bien que la présence de composés organiques pose des problèmes de traitement et d’élimination. Les objectifs de cette thèse sont i) de caractériser la fraction liquide des digestats et donner des premiers éléments pour leur futur traitement et ii) d’expliquer la variabil

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12

Santos, Larissa Macedo dos. "\"Dinâmica da matéria orgânica e destino de metais pesados em dois solos submetidos à adição de lodo de esgoto\"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/75/75132/tde-11042007-111225/.

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Em regiões agrícolas próximas dos grandes centros urbanos e onde há o uso intensivo de recursos naturais, em especial do solo, a reciclagem para fins agrícolas de lodos de esgotos aparece como alternativa promissora. Contudo, a sustentabilidade dessa prática deve ser avaliada, ainda mais se considerado a escassez de informações sobre possíveis impactos ambientais em áreas tropicais. Com esse objetivo esse trabalho avaliou os efeitos da adição de lodo de esgoto em dois solos, Latossolo Vermelho eutroférrico e Latossolo Vermelho distrófico, coletados no 7º ano de um experimento em campo, instala

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13

Badran, Ghidaa. "Pollution atmosphérique particulaire : caractérisation physico-chimique et comparaison des effets toxiques des fractions extractible et non-extractible des PM₂.₅ In-vitro evaluation of organic extractable matter from ambient PM₂.₅ using human bronchial epithelial BEAS-2B cells : Cytotoxicity, oxidative stress, pro-inflammatory response, genotoxicity, and cell cycle deregulation. Toxicity of fine and quasi-ultrafine particles : focus on the effects of organic extractable and non-extractable matter fractions. Toxicological appraisal of the chemical fractions of ambient fine (PM₂.₅-₀.₃) and quasi-ultrafine (PM₀.₃) particles in human bronchial epithelial BEAS-2B cells." Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0547.

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La pollution de l'air et les particules fines (PM₂.₅) ont été classées cancérigènes (groupe 1) par le Centre International de la Recherche sur le Cancer en 2013. Cette fraction particulaire représente un mélange complexe dont la composition, très variable, influe sur la toxicité. Cependant, peu d'études ont déterminé l'implication respective des différentes fractions chimiques constitutives des PM dans leurs effets toxiques. Dans ce travail de thèse, des particules fines (PM₂.₅₋₀.₃) et quasi-ultrafines (PM₀.₃) ont été échantillonnées au niveau d'un site urbain à Beyrouth (Liban). Après avoir r

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14

Nguyen, Ngoc diep. "Characterization and contribution of colloidal fraction in the mobility and bioavailability of sedimentary phosphorus." Thesis, Limoges, 2020. http://aurore.unilim.fr/theses/nxfile/default/9f8fcb76-5d28-468c-8289-23bd366f1bb7/blobholder:0/2020LIMO0078.pdf.

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Le relargage de phosphore sédimentaire constitue une source interne de nutriments dans les eaux conduisant à l’eutrophisation des milieux aquatiques, en particulier des retenues. Les connaissances actuelles concernant le relargage du P sédimentaire ne tiennent pas compte de la fraction colloïdale, qui est pourtant considérée comme une importante phase porteuse de P, très mobile et potentiellement biodisponible. Cette thèse souligne le rôle majeur des colloïdes sédimentaires vis-à-vis de leur teneur en phosphore ainsi que leur fort potentiel à être mobilisé dans l’eau. Il a été démontré que les

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15

Siqueira, Bibiana Kumpera. "Contribuição ao processo sedimentar atual no Canal do Ararapira, sistema estuarino-lagunar de Cananéia-Iguape (SP)." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/21/21133/tde-01072008-102612/.

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O presente trabalho tem, como objetivo, analisar o processo de sedimentação atual no Canal do Ararapira, Sistema Estuarino Lagunar de Cananéia-Iguape (SP), através das características composicionais e granulométricas dos sedimentos de fundo e distribuição da matéria orgânica sedimentar e carbonatos, relacionando estes parâmetros à configuração geral do canal e aos processos oceanográficos que ali atuam. Foram realizadas análises granulométricas, conteúdo de carbonato e matéria orgânica sedimentar (C, N, S) em 60 amostras de sedimentos coletadas em um cruzeiro oceanográfico realizado no mês de

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16

Jeanneau, Laurent. "Approche moléculaire quantitative appliquée à l'étude du transfert de micropolluants organiques à la confluence entre la Fensch et la Moselle (France)." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2007. http://tel.archives-ouvertes.fr/tel-00221452.

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Dans le cadre des objectifs définis par la Directive Cadre sur l'Eau, ce travail de thèse porte sur la quantification du transfert de micropolluants organiques à la confluence entre la Fensch et la Moselle. Une nouvelle méthodologie a été développée pour déterminer les niveaux d'anthropisation dans les matrices environnementales. Basée sur la quantification exhaustive des marqueurs moléculaires, cette approche permet de comparer les apports naturels et anthropiques et de différencier les apports anthropiques selon leurs origines (combustion, pétrogénétique, eaux usées). Elle est parfaitement a

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17

Dantas, Tarcisio Batista. "Níveis de contaminação no solo e na água decorrentes do uso de efluentes em perímetro urbano." Universidade Federal Rural do Semi-Árido, 2012. http://bdtd.ufersa.edu.br:80/tede/handle/tede/462.

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Made available in DSpace on 2016-08-31T13:15:05Z (GMT). No. of bitstreams: 1 TarcisioBD_DISSERT.pdf: 972319 bytes, checksum: 72de82340195e1ccfedaa0b0af9a6082 (MD5) Previous issue date: 2012-02-24<br>Empresa Brasileira de Pesquisa Agropecuária<br>The quality of wastewater constitutes itself as a major limitation for agricultural production, lacking research to assess their sustainable reuse. The reuse in agriculture is pointed to by experts as an effective way to the final destination of wastewater. The technique available in the soil surface has been studied as a promising alternative for fo

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18

Pontoni, Ludovico. "Accumulation and colloidal mobilization of trace heavy metals in soil irrigated with treated wastewater." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1144/document.

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La réutilisation des eaux usées traitées pour l’irrigation est globalement acceptée et pratiquée pour faire face à la pénurie d'eau et économiser les ressources de haute qualité. Bien que cette pratique présente des avantages indéniables et contribue à un usage plus durable de l'eau douce, elle n’est pas exempt de problèmes liés à l'impact potentiel sur la qualité des sols récepteurs et sur les cultures de micropolluants contenus dans l'eau réutilisée. Parmi ces polluants, les métaux lourds (ML) en concentrations traces jouent un rôle primordial en raison de leur présence systématique dans l'e

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19

Briedis, Clever. "MIGRAÇÃO, ESTABILIZAÇÃO E SATURAÇÃO DE CARBONO EM SISTEMAS DE MANEJO DO SOLO EM REGIÃO SUBTROPICAL E TROPICAL." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2015. http://tede2.uepg.br/jspui/handle/prefix/2274.

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Made available in DSpace on 2017-07-25T19:30:52Z (GMT). No. of bitstreams: 1 Clever Briedis.pdf: 4087599 bytes, checksum: 64bf948d38a2d30c665009b6581ac7f5 (MD5) Previous issue date: 2015-12-16<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>No till system (NT), associated to crop rotations with high and varied residues input, has been a very important tool to restore the soil organic carbon (C) stock depleted by long-term soil tillage, like conventional till (CT). However, there is no clear understanding about the potential to soil accumulate C, especially for high weathe

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20

Rebillard-Soulie, Alex. "Etendre nοs cοnnaissances sur la matière nucléaire chaude dans la régiοn de faible densité". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC244.

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Les clusters légers dans la matière nucléaire apparaissent à des densités inférieures à la densité de saturation nucléaire. Ils peuvent jouer un rôle important dans des scénarios astrophysiques comme les supernovae à effondrement de cœur, où les propriétés de la matière nucléaire influence la propagation de l'onde de choc et le parcours des neutrinos émis. À de telles densités, des effets de milieu sont présents et modifient les propriétés des clusters formés, leur abondance et, par conséquent, la dynamique des supernovae. Nous avons utilisé un modèle champ moyen relativiste (RMF) avec des clu

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21

Thouin, Hugues. "Transfert de polluants inorganiques dans un technosol de brûlage d’armes organo-arséniées soumis à un apport de matière organique et à des cycles de saturation/désaturation : expérimentation en mésocosme." Thesis, Orléans, 2016. http://www.theses.fr/2016ORLE2069/document.

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La destruction par brûlage de munitions chimiques de la Première Guerre Mondiale a provoqué une contamination importante de la partie supérieure du sol du site de la Place-à-Gaz par l’arsenic, le zinc, le cuivre et le plomb. Le traitement thermique a eu pour effet de minéraliser l’As des agents de guerre organoarséniés, et de former un assemblage minéral inattendu composé d’arséniates de Zn, Cu et Fe, et d’une phase amorphe riche en Fe, As, Zn, Cu et Pb. Ce matériel amorphe est la principale phase porteuse de l’As et des métaux dans la zone la plus polluée. Le site est sujet à des changements

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22

Dienemann, Holger. "Festlegung von Radionukliden und Arsen in Feuchtgebieten an Bergbaualtstandorten – Ein Beitrag zur Passiven Wasserreinigung." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1234348883942-63227.

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Im Abstrom von Uranbergbauobjekten (Sachsen, Deutschland) wurden Uran, Radium-226 und Arsen in unterschiedlichen Feuchtgebieten untersucht. Dabei wurden Wasser (vor¬wiegend neutrale bis leicht basische pH-Werte), Sedimente und im Wasser befindlicher Bestandesabfall (CPOM) beprobt. Zur Klärung der Genese der Urangehalte im Sediment erfolgten Untersuchungen an Pb-Isotopen. Sie zeigen u. a., dass das Uran in den obersten Zentimetern des Sediments (organische Auflage) aus der wässrigen Phase und nicht von ca. 300 Millionen Jahre alten Erzteilchen stammt. Für die Verlagerung von Radionukliden und A

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23

Rocha, Anne Kelly Freire da. "Caracteriza??o espacial de reservat?rios do semi?rido em fun??o da qualidade da ?gua atrav?s do uso de componentes principais." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/16010.

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Made available in DSpace on 2014-12-17T15:03:33Z (GMT). No. of bitstreams: 1 AnneKFR_DISSERT.pdf: 446021 bytes, checksum: 247b6b8e1c94c43a75ed6fa260d6757a (MD5) Previous issue date: 2014-03-11<br>A regi?o semi?rida sofre escassez h?drica. A fim de regularizar a disponibilidade h?drica nos per?odos de estiagem, s?o constru?das barragens. No entanto, a qualidade da ?gua armazenada tem sofrido os efeitos do descarte irregular de res?duos no meio ambiente e das atividades antr?picas exercidas nas bacias hidrogr?ficas. A degrada??o h?drica pode ser cons

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Dienemann, Holger. "Festlegung von Radionukliden und Arsen in Feuchtgebieten an Bergbaualtstandorten – Ein Beitrag zur Passiven Wasserreinigung." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A24038.

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Im Abstrom von Uranbergbauobjekten (Sachsen, Deutschland) wurden Uran, Radium-226 und Arsen in unterschiedlichen Feuchtgebieten untersucht. Dabei wurden Wasser (vor¬wiegend neutrale bis leicht basische pH-Werte), Sedimente und im Wasser befindlicher Bestandesabfall (CPOM) beprobt. Zur Klärung der Genese der Urangehalte im Sediment erfolgten Untersuchungen an Pb-Isotopen. Sie zeigen u. a., dass das Uran in den obersten Zentimetern des Sediments (organische Auflage) aus der wässrigen Phase und nicht von ca. 300 Millionen Jahre alten Erzteilchen stammt. Für die Verlagerung von Radionukliden und A

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25

Soobadar, Aneeza. "Impacts agronomiques et environnementaux de l'épandage de vinasse et de cendre de charbon/bagasse sur les terres agricoles de l'Île Maurice." Phd thesis, Université d'Avignon, 2009. http://tel.archives-ouvertes.fr/tel-00464233.

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Des 85 000 hectares de terres agricoles à l'île Maurice, prés de 85% est occupé par la canne à sucre, le reste étant composé de maraîchage et des cultures fruitières. Pour assurer sa pérennité et sa viabilité économique à long terme, l'industrie cannière s'appuie dans son programme de réforme sur une revalorisation de ses sous produits en développant une industrie d'éthanol à partir de la mélasse et en utilisant plus efficacement la bagasse durant la période de récolte pour produire l'électricité. Cependant ces deux filières génèrent beaucoup de déchets (400 000 T/an de vinasse durant la disti

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26

Baqué, David. "Perturbations anthropiques du réseau hydrographique du Bassin de la Garonne, cas des métaux et des nitrates." Toulouse 3, 2006. https://tel.archives-ouvertes.fr/tel-00128208.

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52000 km2 au Mas d’Agenais), fait l’objet de pressions anthropiques liées aux activités humaines agricoles, domestiques et industrielles. Le prélèvement des eaux de la Garonne et de ces principaux affluents sur une année hydrologique a permis de détecter des enrichissements significatifs pour un grand nombre d’éléments en trace métalliques (ETM : Pb, Cr, Ni, Cu, Zn…). Il s’avère que la plus part de ces éléments métalliques en quantité de trace (ppb) sont éventuellement transportés sous forme particulaire par les rivières. De nombreux arguments vont dans le sens d’une source majeure diffuse de

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FERNANDES-VANDERLEI, LAZARO. "Etude geochimique des sediments marins actuels d'une cote a plateau continental etroit : exemple des alpes maritimes." Nice, 1987. http://www.theses.fr/1987NICE4120.

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On etudie les sediments recents de l'interface dans la baie des anges, la baie de villefranche-sur-mer et dans la reserve sous-marine du larvotto au large de monaco, afin de mettre en evidence les relations existant entre les processus diagenetiques et lithologiques d'une part et les proprietes physico-chimiques des sediments d'autre part. On observe en particulier la qualite de la matiere organique presente dans l'eau et les sediments ainsi que les relations entre m. O. Ou ses produits de desintegration et les metaux-traces. On analyse les variations spatio-temporelles des teneurs en sels nut

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Pereira, Fernanda Fialho. "Avaliação das características do fango de Araxá-MG com finalidade de uso cosmético." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/9/9139/tde-20092017-164219/.

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O tratamento cosmético facial e corporal que emprega o Fango vem sendo muito utilizado em clínicas de estética, com o intuito de melhorar a aparência da pele. A literatura científica carece de informações sobre alguns aspectos desta matéria-prima, como: as condições adequadas para sua coleta, preservando suas características químicas e microbiológicas; as especificações de qualidade da matéria-prima (física, química, microbiológica e toxicológica); e as metodologias analíticas de avaliação. A qualificação do Fango é primordial para o mesmo ser utilizado como matéria-prima de uso cosmético \"ta

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Limons, Rafaela da Silva. "Avaliação do potencial de utilização da macrófita aquática seca Salvinia sp. no tratamento de efluentes de fecularia." Universidade Estadual do Oeste do Parana, 2008. http://tede.unioeste.br:8080/tede/handle/tede/1871.

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Made available in DSpace on 2017-07-10T18:08:09Z (GMT). No. of bitstreams: 1 Rafaela da Silva Limons.pdf: 1188810 bytes, checksum: 3222e9bb51995ce2bffdbb6505a56d20 (MD5) Previous issue date: 2008-02-11<br>The industries of cassava processing are considered great polluting, therefore they generate highly pollutant a wastewater, the manipueira, with high concentration of organic substance. The method of treatment used in these industries is basically the system of stabilization. However, in function of the raised organic load, normally the effluent end if does not present in adequately favorab

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Le, Maître Johann. "Développement de la spectrométrie de masse à ultra- haute résolution associée à la spectrométrie de mobilité ionique pour la caractérisation de coupes pétrolières lourdes. structural analysis of heavy oil fractions afterr hydrodenitrogenation by high-resolution tandem mass spectrometry and ion mobility spectrometry Structural analysis of neutral nitrogen compounds refractory to the hydrodenitrogenation process of heavy oil fractions by high-resolution tandem mass spectrometry and ion mobility-mass spectrometry Chemical characterization of 15 biocrudes obtained from hydrothermal liquefaction of industrially cultivated wild micro algae Chemical characterization with different analytical techniques, a way to understand the process: Case of the paraffinic base oil production line Exploring complex mixtures by cyclic ion mobility high-resolution mass spectrometry – Application towards Petroleum. Simulation and modeling of Collision Cross Section for structural elucidation of heavy oil fraction by ion mobility-mass spectrometry: Using polyaromatic hydrocarbons compounds mixture as calibration standard Characterization of sulfoxides compounds in dimeric distribution of heavy oil fractions by positive-ion electrospray ionization FTICR mass spectrometry Structural analysis of Petroporphyrins from asphaltene by trapped ion mobility coupled with a Fourier transform ion cyclotron resonance mass spectrometer. Cyclic ion mobility spectrometry coupled to high-resolution time-of-flight mass spectrometry equipped with atmospheric solid analysis probe for the molecular characterization of combustion particulate matter. Structural study of analogues of Titan’s haze by trapped ion mobility coupled with a Fourier transform ion cyclotron mass spectrometer." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMR051.

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L'évolution des réserves de pétrole implique l'utilisation en raffinerie de pétroles bruts non conventionnels, bien souvent plus lourds et donc difficiles à caractériser. Les produits pétroliers sont en effet des mélanges chimiques extrêmement complexes. La partie légère et volatile peut être analysée par chromatographie en phase gazeuse couplée à la spectrométrie de masse (GC/MS), permettant l'identification des composés par l'utilisation de mesures de masses précises et de modèles de fragmentation. Cependant ces techniques sont inadaptées à l'analyse des fractions lourdes. Dans la pratique,

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Huang, Chien-Chang, and 黃健彰. "Distribution of heavy metals between particulate organic matter and settling particle in size fraction contaminated soil." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/77917447351612141311.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>102<br>Heavy metal contaminated soil is a common problem around the world, therefore, many researchers have been conducted to examine the behaviors of heavy metal in soil and to implement the field remediation. However, there were different degree effects on the adsorption behavior of heavy metal on soil owing to the complex soil composition. The organic matter content and surface area of soil were the important characteristics that can affect the adsorption behavior of soil. This research used the heavy metal contaminated soil to study the relationship between s

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Mesquita, Sofia Raquel Soares. "Toxicity of the organic fraction of atmospheric particulate matter." Doctoral thesis, 2017. https://repositorio-aberto.up.pt/handle/10216/103649.

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Mesquita, Sofia Raquel Soares. "Toxicity of the organic fraction of atmospheric particulate matter." Tese, 2017. https://repositorio-aberto.up.pt/handle/10216/103649.

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Liu, Po Hung, and 劉柏宏. "The particulate and its soluble organic fraction emitted from a heavy diesel vehicle." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/24320076205796531538.

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碩士<br>嘉南藥理大學<br>環境工程與科學系<br>102<br>This study is to understand the emission differences of total particulate pollutant (TSP) before and after improving the exhausting pollution of the diesel vehicles and the ratio of the soluble organic fraction (SOF) and insoluble organic fraction (IOF) in the particulate pollutant and the differences in the four different engine operating condition and the situation of the gaseous pollutants. In the differences of emission, the exhausting rate before improving were 54.9%, 46.7%, 63.9%, and 11.1%; after improving, it was declined to 11.3%, 8.0%, 25.3%, and 0.

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Yeh, Yu-Feng, and 葉昱夆. "Heavy metal partition in size fraction humic substances extracted from suspended particulate matter and sludge." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/71606654403239356630.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>103<br>To understand heavy metals distribution between colloid and truly dissolved phase (< 1 k Da) can help to realize the fate and bioavailability of heavy metal in environment. This study investigated levels of total metal and metal concentration of humic substances (HS) in both suspended particulate matter (SPM) and sludge. HS solution was further separated into four different molecular weight solutions including three colloidal and truly dissolved phases. Total zinc concentration was highest concentration 3.7±0.3 g/kg in anaerobic sludge than other metals. W

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Lu, Shao-Chun, and 呂紹君. "Heavy metals distribution characteristic between particulate organic matter and mineral soil in sediment." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/93519776128397996793.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>103<br>Heavy metal pollution significantly endangers to environment and human health. Domestic, industrial and livestock wastewater could contain heavy metals. When wastewater is discharged into aquatic environment heavy metals are accumulated in sediment. Heavy metal releases into environment that heavy metals could via food chain to endanger ecological system and human health. This study used wet sieve method to separate sediment into different size, which were taken from water pond and river (particle sizes referred to size A, B, and C). In addition, each part

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Huang, Shu-Nuan, and 黃淑暖. "The Relationship between Heavy Metal and Organic Matter Transformation in Sewage Sludge Composting." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/49339250395840801589.

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碩士<br>逢甲大學<br>環境工程與科學所<br>91<br>Abstract This study focused on the uptake and variation of heavy metals in a sewage sludge composting process using natural zeolite as an additive. Meanwhile, the correlation between the organic matter transformation and heavy metal in a sewage sludge composting, using the E4/E6 ration of fulvic acid and humic acid , FTIR and 13C-NMR technigues, was also discussed. Based on the physicochemical characteristics of the co-compost, the potential use for the sewage sludge compost as soil conditioner or manure is suggested, all complying with the criteria of the com

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Shahbaz, Muhammad. "Crop residue decomposition and stabilization in soil organic matter." Thesis, 2017. http://hdl.handle.net/11858/00-1735-0000-002B-7D38-E.

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Arthurs, Leilani Ann. "Towards a quantitative understanding of the complex interactions between natural organic matter, heavy metals, and goethite." 2007. http://etd.nd.edu/ETD-db/theses/available/etd-07192007-145836/.

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Thesis (Ph. D.)--University of Notre Dame, 2007.<br>Thesis directed by Patricia A. Maurice for the Department of Civil Engineering and Geological Sciences. "July 2007." Includes bibliographical references (leaves 228-248).

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Jenn-Hung, Hsu, and 許振宏. "Chemical Characterization of Heavy Metal and Organic Matter in Swine Manure Compost and Its Amended Soils." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/15774021286442079499.

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博士<br>國立臺灣大學<br>環境工程學研究所<br>87<br>英文摘要 ABSTRACT Swine manure was comprehensively characterized with respect to Cu, Mn, and Zn due to feed additives. Eight separated swine manure solids (SSMS) composts were collected to study the leachability and identify factors influencing the leachability of these elements from these composts to assess its environmental hazard. Composting of SSMS was also conducted to evaluate criteria indicating compost maturity, to determine the characterization of trace elements and transformation of organic matter during the process. We also ev

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Clemente, Joyce S. "Soil Organic Matter Composition Impacts its Degradability and Association with Soil Minerals." Thesis, 2012. http://hdl.handle.net/1807/33966.

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Soil organic matter (OM) is a complex mixture of compounds, mainly derived from plants and microbes at various states of decay. It is part of the global carbon cycle and is important for maintaining soil quality. OM protection is mainly attributed to its association with minerals. However, clay minerals preferentially sorb specific OM structures, and clay sorption sites become saturated as OM concentrations increase. Therefore, it is important to examine how OM structures influence their association with soil minerals, and to characterize other protection mechanisms. Several techniques, w

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Bichel, Amanda. "Applied soybean and maize residue contributions to soil organic matter in a temperate soybean/maize intercropping system." Thesis, 2013. http://hdl.handle.net/10012/7362.

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Intercropping, defined as two or more crops grown on the same land area at the same time, is a sustainable alternative to sole crops. Intercropping has been associated with multiple benefits, such as increased nutrient and soil organic carbon (SOC) cycling, decreased soil erosion and increased carbon (C) sequestration. A common intercropping practice is to integrate cereal and legume crops such as maize (Zea mays L.), and soybean (Glycine max (L.) Merr.). Most studies on intercropping have focused on yield, weed control, and land use efficiency in the tropics. Few studies have researched C

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BOROVKA, Jan. "Stav půdního organického uhlíku a změny půdní organické hmoty na Novohradsku." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-376086.

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The aim of the diploma thesis was to evaluate the content of soil organic carbon in the area of Novohradsko. Soil organic carbon was monitored in its stable (SOC) and labile (WSOC) form, followed by the total organic carbon stock (Cpool). These soil parameters were determined in soils of different land cover types (forest, arable land, grassland) in the area formed by the catchments of Pasecký, Bedřichovský, Váčkový and Veverský stream. Data obtained in 2001, 2007 and 2014 were statistically analysed and the comparison of the data from different catchments was conducted. The results show the

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KOBESOVÁ, Martina. "Stav půdního organického uhlíku vybraných stanovišť rekultivovaných ploch Velké podkrušnohorské výsypky." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-154363.

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The main aim of this thesis was to assess the status of soil organic carbon in newly shaped soils called Velká podkrušnohorská dump in the Sokolov district and evaluate the information in relation to the physic-chemical properties of soils. Another objective was to determine the relationship between the stable and labile fractions of soil organic carbon. The amount of soil carbon (stable fraction) was measured in the solid soil samples and there was the analysis of basic physic-chemical parameters of the soil performed. The highest concentration of soil carbon was measured in the stand alders

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