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Tesi sul tema "Toluene"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Boyle, Sarah Ann. "Oxidation of toluene." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387977.

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2

Mar, Therese Frances. "The effects of physical activity and gender on the toxicokinetics of toluene in human volunteers /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/8441.

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3

Simpson, Helen D. "The metabolism of toluene by thermotolerant bacteria." Thesis, University of Warwick, 1987. http://wrap.warwick.ac.uk/98248/.

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Several thermotolerant organisms capable of growth on toluene as the sole carbon and energy source, were isolated from various soil samples and liquid samples from a waste treatment works. Two isolates ware selected for further studies and tentatively characterized as Bacillus species. The isolates were designated strain HTB16 and strain AT50 and had optimum growth temperatures of 45°C and 50°C respectively. An initial aim of the project was to investigate whether thermotolerant organisms could be exploited to produce aromatic cis-dihydrodiols. Both strains HTB16 and AT50 oxidized toluene usin

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4

Albahar, Mohammed. "Selective toluene disproportionation over ZSM-5 zeolite." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/selective-toluene-disproportionation-over-zsm5-zeolite(bcc7a677-3234-470f-be44-fdefa2bd7350).html.

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This research aimed at improving p-xylene selectivity in toluene disproportionation over ZSM-5 zeolite by exploring the effect of crystal size and various post synthetic modification methods. A comprehensive study of the effect of different modifications on the physicochemical properties of ZSM-5 was investigated using X-ray diffraction (XRD), pyridine adsorption, Fourier transform infra-red (FTIR), 29Si magic-angle spinning nuclear magnetic resonance (MAS NMR), BET surface area by N2 adsorption, inductively coupled plasma (ICP) and scanning electron microscopy (SEM). The catalytic performance

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5

Marcelová, Štěpánka. "Toxicita nitroderivátů toluenu a produktů jejich transformací." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-216647.

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This work is focused on verification of p-Nitrotoluenu toxicity and compounds resulting from the aerobic transformation, and methyl group oxidation and reduction of nitro. Some of these products are not commercially available and had to be made soon. Toxicity of the substances was determined by toxicity tests. Were tested root growth inhibition Sinapis alba, which resulted in an inhibitory concentration IC50; test inhibition duckweed Lemna minor , which was also the determination of IC50 inhibitory concentration, and acute toxicity test Artemia salina, which was observed in mortality and immob

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6

Regan, Lucy. "Metabolic pathway engineering of the toluene degradation pathway." Thesis, University College London (University of London), 1995. http://discovery.ucl.ac.uk/1317891/.

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This thesis addresses the problem of how to examine a metabolic pathway and identify what are the key elements, specifically with respect to rate-limitation. The aim is to be able to analyze a pathway, identify the bottlenecks and implement genetic modifications to remove these bottlenecks. This is done by defining the system of interest and developing a predictive model using kinetic data. The model predictions can then be verified using fermentation data and genetic techniques to make the appropriate changes for improved performance. The test system chosen for this study was the TOL meta-cle

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7

Chalapati, Sachin. "Toluene Mediated FCC of LDPE Using Ionic liquids." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17973.

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Polyethylene is one of the most widely used synthetic materials produced by mankind and its accumulation in the biosphere is exceeding at an alarming rate. There are several methods to recycle or remediate the waste polyethene apart from land filling and generation of useful products from the waste is on demand for research and development. Ionic liquids are aggressively replacing several organic compounds due to their robust nature and also have novel properties that allow depolymerization of synthetic materials into simpler short chained paraffins. Initial dissolution of polymer using hot to

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8

VIEIRA, Kátia Cristina de Melo Tavares. "Efeitos da exposição à mistura comercial de gasolina/etanol sobre a função reprodutiva masculina em modelo experimental." Universidade do Oeste Paulista, 2018. http://bdtd.unoeste.br:8080/jspui/handle/jspui/1083.

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Submitted by Adriana Martinez (amartinez@unoeste.br) on 2018-05-21T16:53:33Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kátia.pdf: 1082341 bytes, checksum: bf243e25171e37a60f802300dab1ff02 (MD5)<br>Made available in DSpace on 2018-05-21T16:53:33Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kátia.pdf: 1082341 bytes, checksum: bf243e25171e37a60f802300dab1ff02 (MD5) Previous issue date: 2018-03-21<br>Leaks at gas stations cause major problems for the environment, especially with regard to con

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9

Sood, Dhiraj S. "The role of strongly acidic media on the formylation of toluene." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/10090.

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10

Burton, Helen Amanda. "Liquid-phase oxidation and coupling of arenes by Pd(II)/HPA." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368630.

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11

Lee, Sang Hak. "A PVTx study of the mixtures of the first three members of the linear dimethylsiloxane series with toluene /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu148732769562334.

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12

Almulla, Faisal. "Transalkylation of toluene with 1,2,4-trimethylbenzene over zeolite catalysts." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/transalkylation-of-toluene-with-124trimethylbenzene-over-zeolite-catalysts(9b1e44b6-0113-4750-865e-72b5e3647e98).html.

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Benzene, toluene, and xylene are three basic raw materials for the production of most aromatic derivatives such as polyesters, plastics and detergents. Xylenes (p-, m- and o-) have the greatest market demand with an increasing annual rate of 6%. Owing to the availability of surplus toluene and low value of C9 aromatics, the transalkylation process is aimed at the production of more valued products, such as xylenes. Catalyst deactivation is a key challenge in transalkylation process. Using industrially relevant operating parameters, the transalkylation of 1,2,4-trimethylbenzene (TMB) with tolue

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13

Rowane, Aaron J. "High-Temperature, High-Pressure Viscosities and Densities of Toluene." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4188.

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High-temperature, high-pressure (HTHP) conditions are exemplified in ultra-deep petroleum reservoirs and can be exhibited within diesel engines. Accurate pure component hydrocarbon data is essential in understanding the overall behavior of petroleum and diesel fuel at these conditions. The present study focuses on the HTHP properties of toluene since this hydrocarbon is frequently used to increase the octane rating of gasoline and toluene occurs naturally in crude oil. In this thesis experimental densities and viscosity are presented to 535 K and 300 MPa extending the database of toluene visco

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14

Mauro, Mariana [UNESP]. "Influência da exposição ao tolueno por inalação na atividade In Vivo dos transportadores da família Oatp em ratos." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/143414.

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Submitted by MARIANA MAURO null (mamaurofarm@gmail.com) on 2016-08-19T18:10:28Z No. of bitstreams: 1 MARIANA Dissertação.pdf: 2027586 bytes, checksum: c109c012716ad7eba88d5828ee7295a5 (MD5)<br>Rejected by Juliano Benedito Ferreira (julianoferreira@reitoria.unesp.br), reason: Solicitamos que realize uma nova submissão seguindo a orientação abaixo: O arquivo submetido está sem a ficha catalográfica e sem a folha de aprovação. A versão submetida por você é considerada a versão final da dissertação/tese, portanto não poderá ocorrer qualquer alteração em seu conteúdo após a aprovação. Co

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15

Warne, Zoueki Caroline Rose. "Bacterial adhesion to hydrocarbons: role of toluene, asphaltenes and resins." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21979.

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Bioremediation demands a better understanding of the factors controlling bacterial adhesion to crude oil. In this study, we investigate the effects of asphaltenes and resins on bacterial adhesion to model crude oils using the Microbial Adhesion to Hydrocarbons (MATH) assay. The model crude oils were prepared by adding toluene, asphaltenes or resins to n-hexadecane. After the mixing and phase separation step in the MATH assay, stabilized oil droplets were observed within the aqueous phase, causing an underestimation of the fraction of bacteria partitioned to the hydrocarbons. An improvement

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16

Heald, Stephen C. "Metabolism of hydrocarbons via the toluene dioxygenase of Pseudomonas putida." Thesis, De Montfort University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391094.

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17

GONCALVES, PRISCILA DOS SANTOS. "BIOSORPTION OF TOLUENE IN THE PRESENCE OF RHODOCOCCUS OPACUS STRAIN." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=26296@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Neste estudo foi avaliada a capacidade de adsorção do poluente orgânico tolueno em contato com a cepa Rhodococcus opacus. O tolueno foi selecionando por fazer parte do grupo de compostos BTEX (Benzeno, Tolueno, Etilbenzeno e Xileno), que possui elevada toxicidade, causando impacto ambiental em corpos hídricos, solo e ar, além de possuir características mutagênica e carcinogênica em humanos. A determinação e quantificação do tolueno na solução aquosa foram realizadas em um crom

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18

Semprini, Elvio, Patrizia Cafarelli, Stefanis Adriana De, and Anthony A. G. Tomlinson. "Competitive sorption of toluene and acetone on H-ZSM5 zeolite." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194099.

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19

Moore, Jeffrey W. "Effects of surfactants on the biodegradation of toluene in soil." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43100.

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The objective of this investigation was to observe and evaluate the effects of surfactants on the biodegradation of toluene in the subsurface. Soil microcosms containing gasoline were used to simulate conditions of an aquifer contaminated with hydrocarbons. The surfactants were the nonionics, Surfonic N-40 and N-95. Three volumes of gasoline, 0.005, 0.05, and 0.1 mL, were injected into separate microcosms in order to observe changes in toluene concentration in both adsorbed component conditions and free-phase, interstitial gasoline conditions. The data presented are the results from th

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20

Detchanamurthy, Swaminathan. "Impact of Different Metabolic Uncouplers on the Specific Degradation Rate of Toluene in a Differential Biofiltration Reactor." Thesis, University of Canterbury. Chemical and Process Engineering, 2013. http://hdl.handle.net/10092/7899.

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In this work, a differential biofiltration reactor was used to explore the potential of metabolic uncouplers to improve pollutant (toluene) degradation rates. Metabolic uncouplers were reported to reduce the cell mass in activated sludge systems, but are untested in biofilters and the current work is the first to report the impact of different metabolic uncouplers in a biofilter. Initially soil was used as a biofilter bed and later experiments were conducted in pure cultures in a biofilm reactor. A simple diffusion system was developed to generate the desired concentration of toluene to the sy

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21

Rocha, Ana VÃvian Parente. "Estudo de adsorÃÃo de tiofeno em carbono ativado." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=4966.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>A qualidade do ar e a preocupaÃÃo com o meio ambiente e a saÃde da populaÃÃo tÃm influenciado as regulamentaÃÃes de emissÃes veiculares. A exemplo de ÃrgÃos governamentais em todo o mundo, a AgÃncia Nacional do PetrÃleo, GÃs Natural e BiocombustÃveis (ANP) do Brasil tem estabelecido cronogramas de reduÃÃo drÃstica de sulfurados no diesel e na gasolina nos Ãltimos anos. A hidrodessulfurizaÃÃo (HDS) Ã o processo classicamente utilizado atualmente para reduzir o teor de enxofre em correntes de hidrocarbonetos. No entanto, o processo

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22

Souza, Ellen Cristina. "Produção e ação de biossurfactante produzido por bactérias em meios salinos contaminados por hidrocarbonetos aromáticos." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/9/9135/tde-26032014-163942/.

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A contaminação da água e do solo por hidrocarbonetos aromáticos tem aumentado ao longo dos anos, devido ao seu uso nos mais diversos segmentos industriais. Hidrocarbonetos, tais como tolueno, são descritos como extremamente poluentes, tóxicos e potencialmente mutagénicos e carcinogénicos para os seres humanos. Os hidrocarbonetos são compostos lipófilicos difíceis de serem eliminados, contudo, estes aromáticos podem ser removidos de ambientes contaminados por meio de biorremediação utilizando bactérias produtoras de surfactante. Biossurfatantes são surfactantes principalmente produzidos por mic

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23

Silva, Wender Messiatto da. "Utilização de microrganismos na biorremediação de solo contaminado por derivados de petróleo." Ilha Solteira, 2018. http://hdl.handle.net/11449/154212.

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Orientador: William Deodato Isique<br>Resumo: Os impactos ambientais decorrentes de vazamentos em postos de combustíveis têm sido preocupantes para órgãos ambientais ao redor do mundo, sobretudo por deteriorarem a qualidade das águas subterrâneas utilizadas como fonte de abastecimento, sendo os compostos benzeno, tolueno e xilenos (BTX) os de maior preocupação à saúde pública. A biorremediação é uma técnica viável do ponto de vista econômico e ecológico quando se utiliza consórcio microbiano de bactérias e fungos aliado a solução de nutrientes. Este trabalho verificou os efeitos da biorremedia

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24

Gullic, David Bryan. "Variations in the biodegradation potential of toluene with increasing depth in an unsaturated subsurface environment." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03042009-040343/.

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25

Sihaib, Zakaria. "Oxidation of toluene traces in gas phase in presence of manganese-oxide based catalysts : relationship structure-activity." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1029.

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Dans la première partie de mon travail, j'ai préparé quatre catalyseurs différents à base d'oxydes de manganèse: une perovskite (LaMnO3), par voie sol-gel; un oxide simple (Mn2O3), par méthode rapide et un tamis moléculaire octahedrique (OMS-2) par deux méthodes de préparation différentes, via l'état solide (OMS) et la méthode hydrothermale (OMSh). Les propriétés physicochimiques de ces catalyseurs ont été caractérisées par diffraction des rayons X (DRX), adsorption-désorption de N2, analyses thermogravimétriques (ATD/ATG), analyses chimiques (ICP-OES) et réduction en température programmée (H

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26

Fink, Samuel Donovan. "A study of the ternary system carbon-dioxide-toluene-1,1,1-trichloroethane /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487584612164254.

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27

Hicks, Kristin Adair. "Alternative Substrates for Estimating TCE-degrading Capabilities of Toluene-oxidizing Bacteria." NCSU, 2002. http://www.lib.ncsu.edu/theses/available/etd-07172002-182546/.

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One of the primary impediments to the implementation of bioremediation is uncertainty about success in the field. Soils and microbial populations are heterogeneous and it is difficult to extrapolate biodegradation rates from small samples to field scale. While biodegradation rates can be estimated from microcosm studies, in situ methods offer a more meaningful gauge of resident microbial activity. One method used to estimate biodegradation rates in the field is the newly developed Push-Pull technique. While this technique can be conducted on site, it is normally not possible to use target poll

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28

Aemprapa, Sirinun. "Toluene/xylene catabolic pathway of Pseudomonas putida strain Oâ†2Câ†2." Thesis, Bangor University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321526.

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29

Byrne, Fergal. "Greener solvents to replace toluene in the polymerisation and coating industry." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/18988/.

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Toluene is a volatile, non-polar solvent, commonly used throughout the chemical industry, which is facing increasing scrutiny due to its reprotoxicity and production from petroleum. Therefore, replacements which are safe and bio-based are required. A solvent selection method has been developed which involved solubility tests, solvent modelling computer-aided molecular design and chemical intuition to find new, potentially bio-based solvents. Five candidates were identified: 2,2,5,5-tetramethyltetrahydrofuran (TMTHF), methyl butyrate, ethyl isobutyrate, methyl pivalate and pinacolone. TMTHF is

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30

Tsai, Chi-Mo, and 蔡奇謀. "Hydrogenation Of Toluene." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/60473341757625542441.

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31

Liu, Fang-Ting, and 劉芳婷. "Study of toluene disproportionation and toluene methylation reaction on modified ZSM-5 catalysts." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/79379249651650625065.

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碩士<br>國立勤益科技大學<br>化工與材料工程系<br>101<br>In this study, the commercialization of the ZSM-5 zeolite catalyst as a reaction catalyst to modified around the ZSM-5 zeolite catalyst discuss their physical properties, the characterized with field emission-scanning slectron microscopy, X-ray diffractometer and specific surface determination evaluated for their morphologies, crystal phase structure, BET specific surface, and total pore volume properties, the results showed no change in the surface structure modified and crystalline peak intensity patterns . The CBV2314 modified as toluene disproportionati

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32

chu, hung-chang, and 朱泓璋. "Effect of toluene and toluene-degrading bacteria amendment on the composition of soil microflora." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/03808734078366382339.

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碩士<br>東吳大學<br>微生物學系<br>94<br>In order to understand the change of Pseudomonas putida D8 and community in the toluene polluted soil, this experiment use Denaturing Gradient Gel Electrophoresis（DGGE）to analyze the bacteria groups in the soil and use Real-time PCR to track the amount of Pseudomonas putida D8 in the soil. In DGGE experiment, first we extract the bacteria’s DNA which were in the soil and use p63f/p2 as a primer to amplify the V1 to V3 variance of 16S rDNA. Then use perpendicular DGGE to find out that the best analysis condition which is 8% gel; 25-55% gradient; 60℃; volt 80; electr

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Hwan, Liou Jhy, and 劉治桓. "Development of toluene passive sampler." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/45233250457173161745.

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SULLIVAN, MICHAEL JOSEPH. "OTOTOXICITY OF TOLUENE IN RATS." 1986. http://books.google.com/books?id=BtE9AAAAMAAJ.

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35

Yu, Ming-Che, and 游明哲. "benzene, toluene and 1,2-dichloroethane." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/86814600904950988964.

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碩士<br>國立中央大學<br>環境工程研究所碩士在職專班<br>95<br>In this study, a site contaminated with benzene, toluene and 1,2-dichloroethane was selected for investigation of the feasibility using the technologies of combining Air Sparging (AS) and Soil Vapor Extraction (SVE) system via the long-term in-situ soil and groundwater sampling. Also, the cost benefit of remediation technology of the combined system was evaluated. Experimental results indicated that both removal of benzene and toluene in the unsaturated soil and groundwater attained 100% after the 11 months operation using the combined system of AS and S

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Shenn-Ping, Chen, and 陳慎平. "Toluene and Propene on ZSM-5." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/16858042147923170903.

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碩士<br>國立清華大學<br>化學工程研究所<br>83<br>ZSM-5觸媒雖然具有形狀選擇性之催化功能,對於甲苯與丙烯之烷化反應所得的產物p-Cymene,其產物選擇率尤其是對Cymene同分異構物之產物來言仍然不佳,因而會造成後續分離上的困難為了解決此一問題,本研究以矽- 氣相植入法改良ZSM-5觸媒,在只改變觸媒外表結構但不改變觸媒內部活性的情形下，進行甲苯及丙烯合成對異丙基甲苯反應之探討,以期獲得p- Cymene高選擇率,高產量及高產率的最佳操作條件於本文中所探討之矽氣相植入法是在進料液體中添加定量之SiOC25)4為改良劑,探討的操作變數包括：在反應前與反應中觸媒之改良植入改良劑總量溫度WHSV甲苯及丙烯之莫耳比以水蒸氣之加入等由上述使用 Si(OC2H5)4為改良劑經由實驗所獲得之p-Cymene選擇率及產率結果顯示最佳操作條件為溫度275℃於反應中植入改良劑其植入總量是 100uL,WHSV為4.56甲苯及丙烯之莫耳比為

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Chen, Shen-Ping, and 陳慎平. "Toluene and Propene on ZSM-5." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/96693501667208839420.

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38

Lin, Hsi-Chen, and 林希貞. "Evaluation of Samplers for Toluene Diisocyanate." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/92222910812711769946.

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碩士<br>國立交通大學<br>環境工程所<br>91<br>This study was carried-out to compare the performance of five kinds of sampler for toluene diisocyanate (TDI), i.e. triple filter system (TFS), annular denuder system (ADS), dual filter system (DFS), open-face filter cassette (OFFC) and closed-face filter cassette (CFFC). Laboratory tests showed that there was no obvious difference between two relative humidities with different media. Further, it can say that the lon-ger the sampling time, the faster the concentration of 2,4-TDI decreased. The loss rate of TDI during the chamber runs followed first order decay be

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林瑞德. "Removal of Trace Toluene from Tetrahydrofuran." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/74915564108507460774.

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碩士<br>長庚大學<br>化工與材料工程研究所<br>91<br>PTMEG (polytetramethylene ethyl glycol) is the main material of elastic fiber, which is polymerized by THF (tetrahydrofuran) under acidic catalyst. The purity of THF is very important for the quality of PTMEG. THF is made by the process, that is dehydration of 1,4-butylenediol. Because of THF is completely soluble with water, we often use toluene as extractor, and evaporate the concentration of THF to 95% or above. But THF and toluene is partly soluble, hence industrial THF involves trace toluene. My study will focus on the THF solution w

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TSAI, WEI-YUN, and 蔡瑋芸. "Catalyst Development for Toluene Hydroisomerization Reaction." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/81389673080942477581.

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碩士<br>國立中正大學<br>化學工程研究所<br>104<br>The purpose of this research is to isomerize methylcyclohexane and hydrogenation saturation of toluene at the same time and to produce dimethylcyclopentane and isomers with low aromatic and environmentally friendly characteristic. To study the correlation between structure of catalysts and reaction, toluene is used as feed. Zeolites and platinum metal on catalysts and its surface structure are characterized analyzed by XPRD (X-ray powder diffraction), EXAFS (extend X-ray absorption fine structure) and BET. This research designed bi-functional catalysts which

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Tsai, Yi-Ting, and 蔡逸霆. "Toluene oxidation over supported palladium catalysts." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/94608503213467887621.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>99<br>Au/CeO2 and Pd/CeO2 were reported to be very active to destruct toluene from this lab. Therefore, combination of gold and palladium is an interesting candidate to achieve a catalyst with higher activity. In this study, a series of Au–Pd/CeO2 and Au–Pd/TiO2 bimetallic catalysts with various Au loadings were prepared. Pd was loaded by incipient-wetness impregnation method and Au was loaded by deposition-precipitation method. The Pd loadings in all samples were fixed at 0.5 wt. %, and the content of gold was between 0.1 and 1 wt. %. High surface area CeO2 wit

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Bon, David Jean-Yves Denis. "From Toluene to Polyquinane natural products." Phd thesis, 2014. http://hdl.handle.net/1885/155821.

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This thesis is comprised of five scientific articles and is preceded by an overview that contextualises all of the published work. The focus of the work was the development of chemoenzymatic total syntheses of several key members of the hirsutene-class of triquinane natural products from the enantiomerically pure cis-dihydrocatechol A, itself obtained through the whole-cell biotransformation of the simple aromatic compound toluene. Thus, singlehandedly, and using a combination of Diels-Alder cycloaddition and photochemically-promoted oxa-di-pi-methane (ODPM) rearrangement steps, the author has

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Chen, Bo Shian, and 陳柏賢. "Toluene oxidation on Pt/SBA15 catalysts." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/58484473267294943940.

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碩士<br>長庚大學<br>化工與材料工程學系<br>100<br>Our previous study indicated that the mesoporous silica SBA-15 materials containing carboxylic acid groups were used as an effective support to synthesize Cu nanoparticles, the Cu would be trapped in the structure of SBA-15 and can be further transformed to nanosized Cu particles. In this study, we found that the average size of Pt particles in –COOH functionalized SBA-15 is approximately 6 nm and Pt nanoparticles are uniformly distributed inside the SBA-15 channels. In addition, the in situ XRD reveal that Pt particles would switch to reduction state when the

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Lee, Kun-Jung, and 李堃榮. "Vapor-Liquid Equilibria of Eight Binary Mixtures of Hexane + Heptane, Benzene + Toluene, Benzene + N-Methylformamide, Cyclohexane + Octane, Cyclohexane + Nonane, Heptane + Octane, Toluene + m-Xylene and Toluene + N-Methylformamide." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/37442421100525624376.

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碩士<br>國立中興大學<br>化學工程學系所<br>97<br>Isothermal vapor-liquid equilibria (VLE) at 333.15 K and 353.15 K for eight binary mixtures of hexane + heptane, benzene + toluene, benzene + N-methylformamide, cyclohexane + octane, cyclohexane + nonane, heptane + octane, toluene + m-xylene and toluene + N-methylformamide have been obtained at pressures ranged from 0.5 to 101.3 kPa. The NRTL, UNIQUAC and the Wilson activity coefficient models have been employed to correlate experimental pressures and liquid mole fractions. The non-ideal behavior of the vapor phase has been considered by using the Soave-Redli

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Pan, Chien-Yu, and 潘建宇. "Biodegradation of toluene and ethylbenzene by bioreactor." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/00535660158694996644.

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碩士<br>國立交通大學<br>生化工程研究所<br>97<br>According to the foregoing investigation, the biotechnologies has been proven to be an effective process for treating volatile organic compounds(VOCs). The goals of this study were to extend the previous study to removal toluene and ethylbenzene. We examined the effects of inlet concentration, retention time(RT), pH of the nutrient feed, nutrient feeding frequency, material and nitrogen source on the biofilter performance for treating toluene and ethylbenzene waste gases. When the retention time was 0.5 min, the toluene and ethylbenzene removal efficiency i

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Kelly, Janya L. "Impact of parameter representation in gas-particle partitioning on aerosol yield model prediction /." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:NR29331.

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Thesis (Ph.D.)--York University, 2007. Graduate Programme in Earth and Space Science.<br>Typescript. Includes bibliographical references (leaves 116-121). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:NR29331

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Washer, Cheryl E. "Molecular characterization of a methanogenic toluene-degrading consortium." 2004. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=94897&T=F.

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洪肇佑. "Photocatalytic Reaction of Toluene in an Airlift Reactor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/23453384892431731500.

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Jian, Chong-Syun, and 簡崇訓. "Complete oxidation of toluene by Cu/Ce1-xZrxO2." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/64229022604587721127.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>97<br>Cu/CexZr1-xO2 was used as catalyst for toluene total oxidation. Catalyst support was prepared by co-precipitation (CP) or impregnation (IMP), and copper was impregnated on the support with different weight percent. Cu loading amount between 5~7 wt.% show the highest activity, catalytic activity decreased when the copper amount increased. For CP support catalysts, Zr incorporation decreased the activity. For IMP support catalysts, adding ZrO2 on CeO2 (less than 20 molar％) improved catalytic activity. When X<0.2, the trend of decreasing activity was Cu/Ce-Zr

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Tsai, Shen-Long, and 蔡伸隆. "Cometabolic Degradation of Trichloroethylene by A Toluene-Oxidizer." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/39227299502273486373.

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