Literatura académica sobre el tema "Chlorine Organic compounds"

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Artículos de revistas sobre el tema "Chlorine Organic compounds"

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Ganiev, I. M., Q. K. Timergazin, N. N. Kabalnova, V. V. Shereshovets, and G. A. Tolstikov. "Reactions of Chlorine Dioxide with Organic Compounds." Eurasian Chemico-Technological Journal 7, no. 1 (2016): 1. http://dx.doi.org/10.18321/ectj409.

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<p>Data on the reactivity of chlorine dioxide with organic compounds from various classes are summarized. Early investigations of the reactions of chlorine dioxide were occurred in aqueous or predominantly aqueous solutions in general, because it used in drinking water treatment and in industry as bleaching agent. However, chlorine dioxide was not used widely as reagent in organic synthesis. In last decades the number of publications on the studying interaction of the chlorine dioxide in organic medium increased. In table presented the rate constants reactions of chlorine dioxide with or
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Kitaeva, D. Kh, A. G. Buyanovskaya, O. A. Levinskaya, and S. L. Dzvonkovski. "Determination of low chlorine content in organic compounds and polymers using an «Expert-006» coulometer." Industrial laboratory. Diagnostics of materials 84, no. 7 (2018): 16–20. http://dx.doi.org/10.26896/1028-6861-2018-84-7-16-20.

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A method of visual mercurimetric titration of chloride ions is widely used in elemental microanalysis for determination of chlorine content in organic substances after their combustion in an oxygen-filled flask. However, when chlorine content is less than 0.5%, the mercurimetric method fails to provide essential accuracy, and a more sensitive method of chlorine coulometric titration by electrogenerated silver ions appeared favorable. We consider a possibility of determining the microgram content of chloride-ions in solutions using a digital coulometric analyzer («Expert-006» produced by «Econi
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WONGLEE, S., H. FUKUDA, J. HASEGAWA, and Y. OGURI. "CHEMICAL SPECIATION OF CHLORINE PRESENT IN PARTICULATE COMBUSTION PRODUCTS OF ORGANIC CHLORINE COMPOUNDS BY EMPLOYING HIGH-RESOLUTION PIXE ANALYSIS." International Journal of PIXE 21, no. 01n02 (2011): 55–62. http://dx.doi.org/10.1142/s0129083511002161.

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The chemical speciation of chlorine ( Cl ) in particulate matter samples produced by the laboratory burning of organic Cl compounds was tested by employing the high-resolution measurement of K β X-rays based on a wavelength-dispersive proton-induced X-ray emission (WD-PIXE) technique. Targets for proton irradiation were prepared by depositing particulate burning products on aluminum foils placed on a simple barrel burner. Standard inorganic ( NaCl , MgCl 2, CaCl 2, NH 4 Cl , and AlCl 3) and organic (polyvinyl chloride and polyvinylidene chloride) Cl compounds were prepared for spectral compari
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Matucha, M., N. Clarke, Z. Lachmanová, S. T. Forczek, K. Fuksová, and M. Gryndler. "Biogeochemical cycles of chlorine in the coniferous forest ecosystem: practical implications." Plant, Soil and Environment 56, No. 8 (2010): 357–67. http://dx.doi.org/10.17221/67/2010-pse.

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Chlorine – one of the most widespread elements on the Earth – is present in the environment as chloride ion or bound to organic substances. The main source of chloride ions is the oceans while organically bound chlorine (OCl) comes from various sources, including anthropogenic ones. Chlorinated organic compounds were long considered to be only industrial products; nevertheless, organochlorines occur plentifully in natural ecosystems. However, recent investigations in temperate and boreal forest ecosystems have shown them to be products of biodegradation of soil organic matt
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Maatela, Paula, Jaakko Paasivirta, Jukka Särkkä, and Raija Paukku. "Organic chlorine compounds in lake sediments. II Organically bound chlorine." Chemosphere 21, no. 12 (1990): 1343–54. http://dx.doi.org/10.1016/0045-6535(90)90039-v.

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Yetis, Ulku, Selale Ataberk, Celal F. Gokcay, and Sebnem M. Sahin. "Characterization of effluents from chlorine dioxide substitution bleaching and oxygen-reinforced extraction." Water Science and Technology 36, no. 2-3 (1997): 353–60. http://dx.doi.org/10.2166/wst.1997.0556.

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The effects of chlorine dioxide substitution for elemental chlorine in the chlorination stage, aimed at the minimization of chlorinated organics and subsequent oxygen reinforcement in the proceeding extraction stage on the characteristics of bleaching effluents have been examined. The characteristics of the effluents were assessed in terms of molecular weight distribution by gel filtration, so that alternatives for the treatment of these effluents can be proposed. The analysis of chlorination and extraction stage effluents with different chlorine dioxide substitution levels and varying availab
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Rav-Acha, Ch, A. Serri, E. (Goldstein) Choshen, and B. Limoni. "Disinfection of Drinking Water Rich in Bromide with Chlorine and Chlorine Dioxide, While Minimizing the Formation of Undesirable By-Products." Water Science and Technology 17, no. 4-5 (1985): 611–21. http://dx.doi.org/10.2166/wst.1985.0164.

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Although chlorine dioxide does not form trihalomethanes (THM) and produces very few non-volatile haloorganic materials in drinking water, intensive investigations bearing on the formation of chlorite by ClO2 disinfection reveal that the rate of chlorite formation reflects the rate of ClO2 consumption and as long as the amount of ClO2 applied is behind its demand, about 60% of the chlorine dioxide consumed is converted into chlorite. Mixtures of Cl2 and ClO2, which may successfully reduce the formation of haloorganic compounds, as well as of chlorite in the absence of bromide, fail to do this w
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Rosenthal, Ruth Ann, Ronald L. Schlitzen, Linda S. McNamee, Nissanake L. Dassanayake, and Roger Amass. "Antimicrobial activity of organic chlorine releasing compounds." Journal of The British Contact Lens Association 15, no. 2 (1992): 81–84. http://dx.doi.org/10.1016/0141-7037(92)80044-z.

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Taniguchi, Shin, Masaaki Hosomi, Akihiko Murakami, Seiji Iimura, Koichi Usukura, and Sayaka Ozawa. "Chemical decomposition of toxic organic chlorine compounds." Chemosphere 32, no. 1 (1996): 199–202. http://dx.doi.org/10.1016/0045-6535(95)00246-4.

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Vaisman, Ya I., A. A. Ketov, V. N. Korotaev, and M. P. Krasnovskikh. "On the Environmental Hazard of Burning Organic Waste in the Presence of Chlorine Compounds." Ecology and Industry of Russia 22, no. 9 (2018): 14–17. http://dx.doi.org/10.18412/1816-0395-2018-9-14-17.

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The problems of formation of toxic chlororganic compounds during waste incineration in the presence of organic and inorganic chlorine compounds are considered. It is shown that the radical mechanism of pyrolysis leads to different products with different composition of the initial substances. It was found that the greatest environmental danger is the joint burning of chlororganic and aromatic compounds. When burning polyvinyl chloride together with other polymeric materials, especially the aromatic structure, not only light chlororganic compounds are formed, but also highly toxic carbonyl chlo
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Tesis sobre el tema "Chlorine Organic compounds"

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Heidbrink, Jenny. "A Study of the Behavior of Chlorine and Organic Compounds During Combustion in an AFBC System." TopSCHOLAR®, 1996. http://digitalcommons.wku.edu/theses/801.

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The purpose of this study is to understand the behavior of chlorine and the emission of organic compounds during combustion in an atmospheric fluidized bed combustion (AFBC) system. Inefficient, uncontrolled use of coal gives rise to organic emissions which can be detrimental to health. The chlorine in coal may cause corrosion problems during utilization, if its concentration is high enough. The method for collection of the emissions of organic compounds involved the use of a Tenax resin as an absorbent for the organic compounds as they were emitted from the combustor. A combined gas chromatog
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2

Ben, Amor Hedi. "Le bioxyde de chlore dans la filière de production des eaux de consommation : contribution à l'étude de son mécanisme d'action sur les molécules modèles et sur les substances humiques aquatiques." Poitiers, 1988. http://www.theses.fr/1988POIT2314.

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DUARTE, CELINA L. "Aplicacao do processo avancado de oxidacao por feixe de eletrons na degradacao de compostos organicos presentes em efluentes industriais." reponame:Repositório Institucional do IPEN, 1999. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10757.

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Made available in DSpace on 2014-10-09T12:43:41Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:56Z (GMT). No. of bitstreams: 1 06654.pdf: 9860874 bytes, checksum: a9212efd0462f2603abb2f237d62a703 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Soriano, Junior Roberto. "Avaliação da presença de vapores no solo em antiga área industrial contaminada por hidrocarbonetos : concentrações medidas e simuladas /." Rio Claro : [s.n.], 2009. http://hdl.handle.net/11449/92755.

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Orientador: José Eduardo Zaine<br>Banca: Scandar Gasperazzo Ignatius<br>Banca: Fábio Augusto Gomes Vieira Reis<br>Resumo: A contaminação de solos e água subterrânea por hidrocarbonetos derivados de petróleo tende a liberar vapores que migram da subsuperfície para o ar, expondo, principalmente o ser humano à inalação de compostos que podem oferecer risco a sua saúde. Porém a volatilização destes compostos pode indicar as possíveis fontes de contaminação em subsuperfície. As agências de proteção ambiental, como a EPA (Environmental Protection Agency), nos Estados Unidos, e os órgãos ambientais n
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Soriano, Junior Roberto [UNESP]. "Avaliação da presença de vapores no solo em antiga área industrial contaminada por hidrocarbonetos: concentrações medidas e simuladas." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/92755.

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Made available in DSpace on 2014-06-11T19:26:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-06-09Bitstream added on 2014-06-13T19:54:11Z : No. of bitstreams: 1 sorianojunior_r_me_rcla.pdf: 1949675 bytes, checksum: a6d5cc4f07790ee2fa65e002e7a11372 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A contaminação de solos e água subterrânea por hidrocarbonetos derivados de petróleo tende a liberar vapores que migram da subsuperfície para o ar, expondo, principalmente o ser humano à inalação de compostos que podem oferecer risco a sua saúde. Porém a volat
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Croué, Jean-Philippe. "Contribution a l'etude de l'oxydation par le chlore et l'ozone d'acides fulviques naturels extraits d'eaux de surface." Poitiers, 1987. http://www.theses.fr/1987POIT2289.

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Tue, Bi Balo. "Etude de la synthèse électrochimique de chloro-oléfines par réaction de Wittig-Horner in situ." Rouen, 1988. http://www.theses.fr/1988ROUES025.

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Les composés du titre sont préparés par une réaction d'Horner Emmons entre un dérivé carbonylé (aldéhydes et cétones aliphatiques et aromatiques) et l'anion issu de la réduction électrochimique du o,o-diéthyl trichlorométhyl phosphanate. On propose une méthode de préparation des dichloro- et chlorométhylphosphonates par électrolyse à courant constant sur cathode à feutre de carbone. Le comportement électrochimique des oléfines dichlorées préparées est étudié. On obtient également un époxyphosphonate par réduction électrochimique d'un sel de phosphonium dérivant du trichlorométhylphosphonate
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Hammoud, Abdelhay. "Syntheses de pheromones et de molecules isosteres de pheromones d'insectes pour preciser les mecanismes moleculaires de la reconnaissance des signaux chimiques au niveau des recepteurs antennaires." Paris 6, 1988. http://www.theses.fr/1988PA066679.

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Tan, Swee Hain. "Organic corrosion inhibitors." Murdoch University, 1991. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20060818.150145.

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The overall aims of this thesis were to conduct a broad survey of possible organic corrosion inhibitors in near-neutral chloride solutions and to elucidate the mechanisms of such action. Altogether, 130 organic compounds were studied as possible corrosion inhibitors for pure iron, mild steel, copper and aluminium in aerated near-neutral (pH = 8.4) solutions containing 500 ppm NaCl and 100 ppm NaHCO,, conditions often encountered in water-based automotive engine coolants. Inhibitor behaviour was investigated using steady-state electrochemical techniques including polarisation curves, Stern-Gear
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Rabeony, Haveloma Manese. "Phenomenes de nucleation en phase vapeur : condensation a basse temperature et en presence d'ions." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR13012.

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Etude experimentale de la germination homogene de vapeurs organiques a basse temperature a l'aide d'une chambre a diffusion thermique en vue de tester sur le plus grand intervalle possible de temperature la theorie classique de la germination homogene et de confronter les resultats obtenus avec ceux d'autres techniques experimentales. Etude theorique et experimentale de la germination heterogene en presence d'ions : l'etude theorique permet de verifier l'aptitude des differentes theories a prevoir correctement l'influence de l'ion central, puis les predictions sont confrontees aux resultats ex
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Libros sobre el tema "Chlorine Organic compounds"

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Minsker, K. S. Chemistry of chlorine-containing polymers: Syntheses, degradation, stabilization. Nova Science Publishers, 2000., 2000.

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Carver, Anna C. Laboratory and field evaluations of methodology for measuring emissions of chlorinated solvents from stationary sources. U.S. Environmental Protection Agency, Atmospheric Research and Exposure Assessment Laboratory, 1990.

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Parker, L. V. Further studies on the softening of rigid PVC by aqueous solutions of organic solvents. U.S. Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1996.

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Karl S. Minsker. Edited by Guennadi E. Zaikov and K. S. Minsker. Chemistry of Chlorine-Containing Polymers: Syntheses, Degradation, Stabilization. Nova Science Publishers, 1999.

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Pizey, J. S. Synthetic Reagents: Chloramine-T, Hydrogen Peroxide, Polyphosphoric Acid (Ellis Horwood Series in Chemical Science). Ellis Horwood Ltd, 1985.

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Capítulos de libros sobre el tema "Chlorine Organic compounds"

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Stringer, Ruth, and Paul Johnston. "Environmental releases of organic chlorine compounds." In Chlorine and the Environment. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9813-2_6.

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Torosyan, G., and S. Harutyunyan. "Removing Chlorine-Containing Organic Compounds in the Environment After Floods." In Threats to Global Water Security. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2344-5_28.

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Hoekstra, Eddo J., Pia Lassen, Judith G. E. Leeuwen, Ed W. B. Leer, and Lars Carlsen. "Formation of organic chlorine compounds of low molecular weight in the chloroperoxidase-mediated reaction between chloride and humic material." In Environment & Chemistry. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0061-8_12.

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"Alkynyl-, tert.-Alkenyl Chlorine Compounds." In Houben-Weyl Methods of Organic Chemistry Vol. E 23d/1, 4th Edition Supplement, edited by Backes, Fröhlich, and Padeken. Georg Thieme Verlag, 2001. http://dx.doi.org/10.1055/b-0035-113875.

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"tert.-Alkyl Chlorine Compounds (I)." In Houben-Weyl Methods of Organic Chemistry Vol. E 23d/1, 4th Edition Supplement, edited by Backes, Fröhlich, and Padeken. Georg Thieme Verlag, 2001. http://dx.doi.org/10.1055/b-0035-113876.

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"tert.-Alkyl Chlorine Compounds (II)." In Houben-Weyl Methods of Organic Chemistry Vol. E 23d/1, 4th Edition Supplement, edited by Backes, Fröhlich, and Padeken. Georg Thieme Verlag, 2001. http://dx.doi.org/10.1055/b-0035-113877.

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Scully, Jr, Frank E., and Barbara Conyers. "NMR Studies of the Reaction of Amino Acids with Aqueous Chlorine." In Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.003.0013.

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Over the past 20 years, gas chromatography/mass spectroscopy (GC/MS) has been widely used to identify trace organic environmental contaminants and to study the mechanisms of the formation or transformation of organic compounds either by natural or man-made processes. In the area of water and wastewater disinfection, GC/MS has been highly successful in identifying numerous volatile organic chlorination by-products, some of which may pose undesirable health risks to humans and aquatic organisms at concentrations found in some waters. However, despite a considerable amount of research in this area much of the chemistry continues to be poorly understood. Analysis of trace organics by GC/MS relies on the assumption that the compounds to be analyzed are (1) volatile and (2) thermally stable to GC temperatures as high as 300 °C. Because nuclear magnetic resonance spectroscopy (NMR) is a mild and nondestructive method of analysis, it can reveal reactions that occur in water that cannot be observed by GC/MS. Until recently the reactions of amino acids with two or more equivalents of aqueous chlorine were believed to produce aldehydes and nitriles according to equation (1). LeCloirec and Martin have reported that the formation of nitriles in such situations may come in part from the reaction of monochloramine with aldehydes (equation (2)). Because reaction (2) may affect the distribution of products in reaction (1), it was important to determine the relationship between these two reactions. This chapter will review the applications of NMR we have used in studies of the products formed upon chlorination of amino acids.
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"4. Introduction of Fluorine by Halogen Fluorides : 4.8. Substitution of Fluorine for Bromine and Chlorine in Organic Compounds." In Organo-Fluorine Compounds, edited by Baasner, Hagemann, and Tatlow. Georg Thieme Verlag, 1998. http://dx.doi.org/10.1055/b-0035-111124.

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Manzoor, Javid, and Manoj Sharma. "Impact of Textile Dyes on Human Health and Environment." In Impact of Textile Dyes on Public Health and the Environment. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0311-9.ch008.

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The textile industry is one of the important industries that generates a large amount of industrial effluents. Color is the main attraction of any fabric. Manufacture and use of synthetic dyes for fabric dyeing has therefore become a massive industry. Synthetic dyes have provided a wide range of colorfast, bright hues. However, their toxic nature has become a cause of grave concern to environmentalists. Use of synthetic dyes has an adverse effect on all forms of life. Presence of sulphur, naphthol, vat dyes, nitrates, acetic acid, soaps, enzymes chromium compounds, and heavy metals like copper, arsenic, lead, cadmium, mercury, nickel, and cobalt and certain auxiliary chemicals all collectively make the textile effluent highly toxic. These organic materials react with many disinfectants, especially chlorine, and form byproducts (DBPs) that are often carcinogenic and therefore undesirable. This effluent, if allowed to flow in the fields, clogs the pores of the soil resulting in loss of soil productivity. This chapter gives an overview on the health and environmental impact of dyes.
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Wei, James. "Predictions by Correlations." In Product Engineering. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195159172.003.0010.

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After searching the literature and making predictions based on theory without getting sufficient satisfactory results, the next move would be to make estimates. We need the property y of substances pi from a population P that has not been investigated and reported in the literature. Fortunately, there exists a subset S of P that has been investigated, and we have the values for the property y. For instance, we may want the boiling points of all the hydrocarbons, but we have only the boiling points of the normal paraffins from 1 to 20 carbon atoms. Can we use this piece of information on normal paraffins to estimate the boiling points for the rest of the hydrocarbon population? How much effort would be involved and how accurate would the results be? The number of isomers of paraffin is very large; see table 5.1. We see that the iso-paraffins are not as well investigated as the normal paraffins. We have the boiling points of all three isomers of pentane, but not the 75 isomers of decane. It is inevitable that we have to resort to estimations. When we have obtained a good correlation for normal paraffins, we would naturally want to know if we can extend this to the branched paraffins, and onward to the population of all the saturated hydrocarbons (by including the cyclic paraffins), and onward to the population of all hydrocarbons (by including olefins, acetylenes, and aromatic compounds), and then onward to the population of all organic compounds (by including compounds with heteroatoms, such as O, N, Cl). A correlation that applies accurately to a larger domain is more useful than one that works only for a smaller domain. Another example is polychlorinated biphenyls (PCBs), which have 10 hydrogen atoms that can be substituted by chlorine atoms. There are three types of site: the four α sites near the bridge between the two phenyl fragments, the four β sites farther away from the bridge, and the two γ sites that are the farthest away from the bridge. The number of isomers is shown in table 5.2.
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Actas de conferencias sobre el tema "Chlorine Organic compounds"

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Mininni, Giuseppe, Dario Marani, Camilla Maria Braguglia, Ettore Guerriero, and Andrea Sbrilli. "Behavior of Organic and Inorganic Micropollutants in Chlorine Spiked Sludge Incineration by a Circulating Fluidized Bed Furnace." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-105.

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The effects of combustion and feeding conditions on Polycyclic Aromatic Hydrocarbons (PAH) and PCDD/F formation and appearance in the emissions at the stack during sludge incineration are discussed in this paper. Partitioning in the solid streams of Cd, Cr, Cu, Mn, Ni, Pb and Zn is also analyzed. Tests were performed on a demonstrative plant equipped with a fluidized bed furnace (FBF) using sewage sludge either as is or spiked with chlorinated organic compounds (tetrachloroethylene or a mixture of tetrachloroethylene, chlorobenzene and toluene) to study the chlorine effect on the presence of m
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Dawson, Gaynor, and Tom McKeon. "Green Remediation: Enhanced Reductive Dechlorination Using Recycled Rinsewater as Bioremediation Substrate." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7090.

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Enhanced reductive dechlorination (ERD) has rapidly become a remedy of choice for use on chlorinated solvent contamination when site conditions allow. With this approach, solutions of an organic substrate are injected into the affected aquifer to stimulate biological growth and the resultant production of reducing conditions in the target zone. Under the reducing conditions, hydrogen is produced and ultimately replaces chlorine atoms on the contaminant molecule causing sequential dechlorination. Under suitable conditions the process continues until the parent hydrocarbon precursor is produced,
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Vaudey, Claire-Emilie, Sébastien Renou, Dennis Kelley, Chantal Cochaud, and Roger Serrano. "Cadarache LOR (Liquides Organiques Radioactifs) Treatment by a Solidification Process Using NOCHAR Polymers." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96298.

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In France, two options can be considered to handle the Very Low Level Waste (VLLW) and the Low Level Waste (LLW). The first one is the incineration at CENTRACO facility and the second one is the disposal at ANDRA sites. The waste acceptance in these two channels is dependent upon the adequacy between the waste characteristics (physical chemistry and radiological) and the channel specifications. If the waste characteristics and the channel specifications (presence of significant quantities of halogens, complexants agents, organic components… or/and high activity limits) are incompatible, an alt
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Floriani, Silvia L., Elaine Virmond, Christine Albrecht Althoff, Regina F. P. M. Moreira, and Humberto J. Jose´. "Potential of Industrial Solid Wastes as an Energy Source and Gaseous Emissions Evaluation in a Pilot Scale Burner." In ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54355.

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Biomass is currently used as an alternative energy source in some industries. Due to problems with disposal of wastes, using biomass as an energy source is economically and environmentally attractive. In this work seven wastes from textile and food industry were characterized and their gaseous emissions resulting from their combustion in a pilot unit were measured. The aim of this paper is to evaluate the usage of industrial wastes as an energy source taking into account their composition and gaseous emissions when submitted to combustion tests. Gaseous emissions were compared to limits impose
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Albrektienė, Ramunė, and Mindaugas Rimeika. "Efficiency of Removal of Iron, Manganese, Ammonium and Organic Matter from Groundwater." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.067.

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The acceptable concentrations in groundwater are usually in excess of iron, ammonium and manganese. These compounds are inefficiently removed by means of ordinary technologies of ammonium ions, iron and manganese compounds removal from groundwater (water aeration and filtration through granular filter fillings) where groundwater contains high concentrations of organic compounds. Increased concentrations of organic compounds in groundwater occur in well fields where exploited aquifers have contact with surface water wells and are supplemented with water from open water bodies. Such well field i
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6

Storm, Christian, Helmut Rüdiger, Hartmut Spliethoff, and Klaus R. G. Hein. "Co-Pyrolysis of Coal/Biomass and Coal/Sewage Sludge Mixtures." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-103.

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Biomass and sewage sludge are attracting increasing interest in power plant technology as a source of carbon dioxide-neutral fuels. A new way to reduce the consumption of fossil fuels could be the co-combustion or co-gasification of coal and biomass or coal and sewage sludge. In both cases, pyrolysis is the first step in the technical process. In order to obtain detailed information about the pyrolysis of coal/biomass and coal/sewage sludge mixtures as well as unblended fuels, the ‘Institut für Verfahrenstechnik und Dampfkesselwesen (IVD)’ at the University of Stuttgart has carried out investi
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Kim, Bumjick, and Reginald E. Mitchell. "Development of a System for the Study of Solid Fuel Conversion Under Supercritical Water Conditions." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89752.

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Due to its low cost and abundance, a large amount of coal and biomass is still being used to generate electricity throughout the world. Given that these solid fuels are here to stay for the foreseeable future, the problem of their environmental impact in terms of their emission of CO2 and harmful gas streams will remain unless solutions to it can be found. Supercritical water (SCW) is an attractive medium for power generation because of its special characteristics. Organic compounds extracted from coal and biomass hydrolyze, and they are completely miscible in SCW. In contrast, sulfur, chlorin
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8

Costa, Rogério F., Antônio S. N. Aguiar, Igor D. Borges, et al. "The influence of Chloride Shift Position on hydroxychlorochalcone." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol202037.

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This work describes molecular structures of chalcones 2'-Hydroxy-4',6'-dimethyl-2-chlorochalcone and 2'-Hydroxy-4',6'-dimethyl-4-chlorochalcone and overlap of these structures in order to detect the change in planarity. The Hirshfeld Surface analysis to investigate when the position of the atom the chlorine in the aromatic ring is changed and how does this change influence in the properties of the organic compound. The geometric molecular were obtained through the DFT/M06-2X/6-311++G(2d, 2p) theory level. Frontier Molecular Orbital, NBO and MEP map were determined, in order to observe the info
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9

Li, Jianrong, Stefan Persijn, Iris de Krom, Heleen Meuzelaar, and Adriaan M. H. van der Veen. "Metrology for biomethane conformity assessment: measure trace gas impurities in biomethane." In 19th International Congress of Metrology (CIM2019), edited by Sandrine Gazal. EDP Sciences, 2019. http://dx.doi.org/10.1051/metrology/201906002.

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To facilitate the use of biomethane in existing transmission and distribution infrastructures, CEN/TC 408 developed specifications (EN 16723) for injecting biomethane into the natural gas grids and using it as a transport fuel. Currently, the test methods cited in EN 16723 lack metrological aspects and have not been specifically developed for biomethane. To address this need, ISO/TC193/SC1/WG25 “Biomethane” has been created to work on standardized methods. To assess conformity of biomethane with the specification and to provide essential input to WG25, test methods are being developed in this
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Popov, Aleksandr, A. Rusakov, Yulia Simonova, and K. Tsivka. "ASSESSMENT AND DIAGNOSTIC INDICATORS OF ORGANIC MATTER QUALITATIVE COMPOSITION OF YAROSLAVL VOLGA REGION POST-AGROGENIC SOILS AGAINST THE BACKGROUND OF MODERN CLIMATE CHANGES." In Land Degradation and Desertification: Problems of Sustainable Land Management and Adaptation. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1702.978-5-317-06490-7/169-175.

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The purpose of this work was to characterize the postagrogenic transformation of soil organic matter (SOM). For decision of this purpose the results of chemodestructive fractionation (CDF), the content of chlorophylls a and b , pheophetins and carotenoids, and Margalef's pigment index (PI) were used newly. Subjects of inquiry-humus horizons of soils of arable lands and fallow areas of Poshekhonsky district of the Yaroslavl region of the Russian Federation-were stitch together into two groups with differ in the type of land use. In one of them, the soils remained arable for 30-40 years (arable-
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Informes sobre el tema "Chlorine Organic compounds"

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Chlordane, DDT, PCB's, and other selected organic compounds in Asiatic clams and yellow bullhead in the Potomac River Basin, 1992. US Geological Survey, 1996. http://dx.doi.org/10.3133/wri964210.

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