Relevant bibliographies by topics / Polyaromatic hydrocarbons

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Polyaromatic hydrocarbons'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 May 2024

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Journal articles on the topic "Polyaromatic hydrocarbons"

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Sudiana, I. M., I. Idris, T. P. Napitupulu, A. Z. N. Ikhwani, I. N. Sumerta, A. Sugiharto, T. R. Sulistiyani, et al. "Diversity of hydrocarbon-degrading bacteria in Pulau Pari and their potential roles for bioremediation." IOP Conference Series: Earth and Environmental Science 950, no. 1 (January 1, 2022): 012013. http://dx.doi.org/10.1088/1755-1315/950/1/012013.

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Abstract Oil spill accidents occur several times in the Indonesian sea, including Jakarta Bay. Studies on the application of oil spill bio-degradation techniques need to be developed but require baseline data on microbe species diversity and functions. We isolated several bacteria from Pulau Pari that can degrade hydrocarbons (hexadecane, phenantrene, and dibenzothiophene) by using two step enrichment culture technique. The isolated microbes belong to several taxa, including α-subclass Proteobacteria, β-subclass Proteobacteria, γ-subclass Proteobacteria, the gram-positive high GC content (Actinobacteria), and Bacillus group. These marine bacteria degrade not only alkanes but also polyaromatic hydrocarbons (phenanthrene and dibenzothiophene). Alpha and gamma Proteobacteria were predominant alkane and polyaromatic hydrocarbons-degrading bacteria. The ability of those bacteria to degrade both alkanes and polyaromatic hydrocarbon is a key-important trait for enhancing bioremediation of oil spills.
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Salari, Marjan, Vahid Rahmanian, Seyyed Alireza Hashemi, Wei-Hung Chiang, Chin Wei Lai, Seyyed Mojtaba Mousavi, and Ahmad Gholami. "Bioremediation Treatment of Polyaromatic Hydrocarbons for Environmental Sustainability." Water 14, no. 23 (December 6, 2022): 3980. http://dx.doi.org/10.3390/w14233980.

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Polycyclic aromatic hydrocarbons (PAHs) distributed in air and soil are harmful because of their carcinogenicity, mutagenicity, and teratogenicity. Biodegradation is an environmentally friendly and economical approach to control these types of contaminants and has become an essential method for remediating environments contaminated with petroleum hydrocarbons. The bacteria are isolated and identified using a mineral nutrient medium containing PAHs as the sole source of carbon and energy and biochemical differential tests. Thus, this study focuses on some bacteria and fungi that degrade oil and hydrocarbons. This study provides a comprehensive, up-to-date, and efficient overview of petroleum hydrocarbon contaminant bioremediation considering hydrocarbon modification by microorganisms, emphasizing the new knowledge gained in recent years. The study shows that petroleum hydrocarbon contaminants are acceptably biodegradable by some microorganisms, and their removal by this method is cost-effective. Moreover, microbial biodegradation of petroleum hydrocarbon contaminants utilizes the enzymatic catalytic activities of microorganisms and increases the degradation of pollutants several times compared to conventional methods. Biological treatment is carried out in two ways: microbial stimulation and microbial propagation. In the first method, the growth of indigenous microorganisms in the area increases, and the pollution is eliminated. In the second method, on the other hand, there are no effective microorganisms in the area, so these microorganisms are added to the environment.
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Nagy, E., J. H. Carey, and J. H. Hart. "Hydrocarbons in St. Clair River Sediments." Water Quality Research Journal 21, no. 3 (August 1, 1986): 390–97. http://dx.doi.org/10.2166/wqrj.1986.034.

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Abstract A survey of St. Clair River sediments at Sarnia, Ontario, showed that the highest concentrations of normal alkanes and polyaromatic hydrocarbons occurred in the vicinity of the petrochemical industrial area on the Canadian side of the river. The absence of an odd-carbon predominance in the alkanes, and the presence of several alkylated polyaromatics indicate a petroleum source for both classes of hydrocarbons. Both classes of compounds were present, at increased concentrations, in the lower sections of two shallow cores. The distribution of organics reflected the highly localized character of inputs, currents, and sediments.
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Golounin, A. V., E. N. Marakushina, and S. A. Khramenko. "Polycondensation of polyaromatic hydrocarbons." Coke and Chemistry 52, no. 11 (November 2009): 501–3. http://dx.doi.org/10.3103/s1068364x09110088.

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Martin, Colin J., Sarath D. Perera, and Sylvia M. Draper. "Thiophene Containing Polyaromatic Hydrocarbons." Advances in Science and Technology 54 (September 2008): 120–22. http://dx.doi.org/10.4028/www.scientific.net/ast.54.120.

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KHAVRYUCHENKO, VOLODYMYR D., YURIJ A. TARASENKO, VOLODYMYR V. STRELKO, OLEKSIY V. KHAVRYUCHENKO, and VLADYSLAV V. LISNYAK. "INTERACTION OF THE DIOXYGEN MOLECULE WITH THE C96H24 POLYAROMATIC HYDROCARBON CLUSTER: A QUANTUM CHEMICAL INSIGHT." International Journal of Modern Physics B 22, no. 13 (May 20, 2008): 2115–27. http://dx.doi.org/10.1142/s0217979208039289.

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Interaction of the previously described [V. D. Khavryuchenko, Y. A. Tarasenko, V. V. Strelko, O. V. Khavryuchenko and V. V. Lisnyak, Quantum chemical study of polyaromatic hydrocarbons in high multiplicity states, Int. J. Modern. Phys. B21, 4507 (2007), in press] polyaromatic hydrocarbon (PAH) C 96 H 24 with dioxygen molecule and KO2 have been quantum chemically examined. The probability of existence of the oxygen superoxide ion-radical O 2 adsorbed on the surface of the PAH is critically discussed.
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Bezhan, A. D., A. S. Skripnik, A. A. Dudnik, and V. B. Kolycheva. "Method for determination the qualitative composition of polyaromatic hydrocarbons in commercial petroleum products." ТЕНДЕНЦИИ РАЗВИТИЯ НАУКИ И ОБРАЗОВАНИЯ 84, no. 2 (2022): 90–93. http://dx.doi.org/10.18411/trnio-04-2022-69.

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The article considers one of the methods for express determination of the qualitative composition of polyaromatic hydrocarbons in petroleum products. The identified polyaromatic hydrocarbons with the Lee retention index from 200 to 400, their calculated and experimentally determined retention times, as well as the relative standard deviation of the times are presented.
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Geblewicz, Grazyna, and David J. Schiffrin. "Solvent properties of polyaromatic hydrocarbons." Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases 84, no. 2 (1988): 561. http://dx.doi.org/10.1039/f19888400561.

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Sarigiannis, D., S. Karakitsios, E. Handakas, and A. Gotti. "Exposome analysis of polyaromatic hydrocarbons." Toxicology Letters 258 (September 2016): S57. http://dx.doi.org/10.1016/j.toxlet.2016.06.1298.

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Peng, Ri-He, Ai-Sheng Xiong, Yong Xue, Xiao-Yan Fu, Feng Gao, Wei Zhao, Yong-Sheng Tian, and Quan-Hong Yao. "Microbial biodegradation of polyaromatic hydrocarbons." FEMS Microbiology Reviews 32, no. 6 (November 2008): 927–55. http://dx.doi.org/10.1111/j.1574-6976.2008.00127.x.

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Dissertations / Theses on the topic "Polyaromatic hydrocarbons"

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Mistry, Anish. "Non-Kekulé polyaromatic hydrocarbons." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/88089/.

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Non-Kekulé PAHs have been studied for a variety of applications due to the interesting chemistry they possess for such simple organic molecules. PAHs can have both closed and open-shell arrangements which have been of interest recently due to the potential magnetic and electronic properties they can acquire. Due to this, there has recently been a strong interest in graphene which can be viewed as a sheet of PAHs fused together. This thesis describes the formation of particular PAHs including open-shell compounds and how PAHs can be fully characterised using one technique. Chapter 2 describes the synthesis of 6H-benzo[cd]pyrene, the starting point of this project. Pentacene and perylene are other five fused ring structures like 6H-benzo[cd]pyrene which are commonly used due to their fluorescence, thus, this PAH could have interesting properties for material scientists. The production of the benzo[cd]pyrene radical by AFM/STM is then described. Chapter 3 describes peri-condensation reactions to form larger PAHs a technique which was commonly used in the 1900s for the addition of an aromatic ring, however, multiple ring additions have been reported to occur. In addition, carbon labelling experiments have been completed to confirm this and the mechanism by which multiple rings add have been discussed. STM/AFM has been used to characterise the compounds formed in the peri-condensation reactions as common techniques for characterisation do not provide enough structural data for compound determination. Chapter 4 discusses the synthesis of 3,8-dihydro-3H,8H-dibenzo[cd,mn]pyrene. Thereafter the use of AFM/STM is then utilised to dehydrogenate 3,8-dihydro-3H,8H-dibenzo[cd,mn]pyrene to form the non-Kekulé structure of triangulene which was simultaneously imaged for the first time.
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Wang, Cong. "Synthesis of Polyaromatic Hydrocarbons via Mechanochemistry." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563525733261563.

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Riaz, Ihsan. "Bioremediation treatments for polyaromatic hydrocarbons contaminated soil." Thesis, Glasgow Caledonian University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251186.

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Yuan, Tao 1968. "Remediation of a soil contaminated with polyaromatic hydrocarbons (PAHs)." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=111845.

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Sites contaminated with polyaromatic hydrocarbons (PAHs) pose serious health and safety risks to the surrounding environment due to their toxicity, persistence and accumulation in the environment. Because certain members of this class have been demonstrated to be both carcinogenic and mutagenic, PAHs are considered as environmental priority pollutants (US EPA). The studies in this thesis provide an efficient, economical and environmentally benign technique for the remediation of PAH contaminated soil/sediment by means of PAH mobilization with surfactant followed with a catalytic hydrogenation in supercritical carbon dioxide (scCO2).
Catalytic hydrogenation of naphthalene, acenaphthylene, ancenaphthene, anthracene, phenanthrene, chrysene and benzo[a]pyrene over alumina supported palladium (5% Pd0/gammaAl2O3) commercial catalyst were investigated in either a batch reaction mode or a continuous reaction system in H2-scCO2 (∼5% v/v). The hydrocarbon compounds were efficiently reduced to their corresponding fully saturated polycyclic hydrocarbon homologs with mild conditions of temperature (90°C) and pressure (60 psi H2 or 3000 psi H2-scCO2). The bacterial reverse mutation assay demonstrated that both the fully and partially hydrogenated products of chrysene and benzo[a]pyrene were devoid of mutagenic activity.
A laboratory study was conducted on the surfactant-assisted mobilization of PAH compounds combined with reagent regeneration and detoxification steps to generate innocuous products. Five minutes of ultrasonication of field contaminated soil with a 3% (w/v) surfactant suspension mobilized appreciable quantities of all PAH compounds. Formulating the Brij 98 surfactant in 0.1 M phosphate buffer (pH 8.0) mobilized the largest quantities of PAH compounds and the recovery of surfactant (>90%) but soil residues exceeded permissible maxima for five- and six-ring analytes. Five successive washes were required to reduce the residual fraction to permissible levels. The mobilized PAH compounds were then detoxified at line by catalytic hydrogenation in a 5% H2-scCO2 (v/v) atmosphere.
New palladium hydrogenation catalysts were fabricated in the laboratory with specific processes on various supports. The hydrogenation of phenanthrene and benzo[a]pyrene in a fixed bed micro reactor demonstrated that the catalyst that was fabricated from organosoluble precursor loaded on aluminum oxide (2.5% Pd0/gammaAl2O3) was four times more efficient than the commercial catalyst that was used for PAH hydrogenations.
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Sundqvist, Björn. "POLYAROMATIC HYDROCARBONS IN HYDROCHARS : HYDROTHERMAL CARBONIZATION OF SEWAGE SLUDGE." Thesis, Umeå universitet, Kemiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-185521.

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Sewage sludge is an inevitable by-product from waste water treatment plants. Sludgemanagement is a difficult task since sludge has a high moisture content, poordewaterability and generally contain heavy metals, pharmaceutical residues,polyfluorinated alkyl substances (PFAS) and organic pollutants. Recentlyhydrothermal carbonization (HTC) has been getting attention for its suitability to treatsewage sludge. HTC is a flexible process which can handle feedstocks with highmoisture content. The process stabilizes the organic content in a solid residue calledhydrochar which has an increased energy content and decreased moisture contentcompared to the starting material. Hydrochar can be used as soil amendment materialsince it has a good nutrient content and can prevent leaching of fertilizers. However,there is a concern for the risk of high levels of poly aromatic hydrocarbons (PAHs) inthe hydrochar which might limit its applicability in soil applications. PAHs are acomplex group of organic pollutants that can be toxic and even cancerogenic tohumans. 16 PAHs have been described as priority pollutants by the US EnvironmentalProtection Agency due to their toxicity and risk for human exposure. In this studyHTC was performed, with municipal sewage sludge as feedstock, at different processconditions to investigate its influence on the PAH content in the produced hydrocharsand aqueous residues. Ten experiments were performed with varying reactiontemperature (ranging from 180 °C to 260 °C fixed at 1 h residence time) and varyingresidence time (ranging from 1 h to 5 h fixed at 200 °C and 260 °C). The PAH contentof the products was analysed using GC/MS. The hydrochars suitability for soil amendment was investigated. At a 1.7wt.%amendment level (approximately 60 tons/hectare) the results showed that the PAHcontribution from the hydrochars to the soil was well below the SwedishEnvironmental Protection Agency (SEPA) contamination guidelines. No significantPAH content in the products, that might limit the hydrochars applicability for landusages, was observed. The content of the 16 priority PAHs (PAH 16) in thehydrochars were below the international biochar (IBI) limit (6mg/kg TS) and theEuropean Biochar Certificate (EBC) EBC-Agro limit (6mg/kg TS). The PAH contentof the filtrates where below the Swedish Petroleum institute (SPI) irrigationguidelines, except for the filtrate produced at 260 °C, 5 h. In the raw material no PAHspecies was found, however, the reporting limit was higher compared to thehydrochars. Overall, the content of PAH was lower in the filtrates compared to thehydrochar, e.g. at 200 °C, 1 h the content PAH M were 0.05 and 0.85 mg/kg sludgeTS for the filtrate and hydrochar respectively. This was expected since PAHsgenerally has a low solubility in water. To assess the toxicity of the hydrochars thetoxic equivalent quantity (TEQ) was used. The TEQ for the hydrochars wereapproximately ~0.0 to 0.68 mg/kg TS which is below the IBI limit level at 3.0 mg/kgTS. Temperatures around 200 °C to 220° C were found to be favourable in terms ofPAH content in the hydrochar, at 220 °C and 1 h the sum of PAH16 is lower than forall other samples, for both the hydrochar and the filtrate (<R.L and 0.01mg/kg sludgeTS for the hydrochar and filtrate respectively). No significant correlation betweenresidence time and PAH content was observed, except at 260 °C where the PAH16content increased significantly in the filtrates between 1 h and 5 h residence time(0.05 to 0.85 mg/kg sludge TS). In conclusion, HTC was found to be a promisingprocess for utilizing sewage sludge and the results indicates that the risk of high levelsof PAH content of the hydrochars are relatively low.
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Roberson, Luke Bennett. "Ultrapurification and deposition of polyaromatic hydrocarbons for field effect transistors." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/30950.

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Pritchett, Blair. "Mutagenic and genotoxic potential of nitrated polyaromatic hydrocarbons in combustion byproduct mixtures." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0021/MQ55538.pdf.

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Wang, Jiann-Ming. "Intrinsic and enhanced biodegradation of polyaromatic hydrocarbons in aqueous and soil systems." Diss., The University of Arizona, 1999. http://hdl.handle.net/10150/284046.

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Bioremediation is currently one of the most popular methods for remediating soil and groundwater contaminated by organic compounds. However, it has been found that the availability of the target contaminant to the microbial populations capable of degrading the compound may serve as a limiting factor in many systems. Thus, there is interest in the use of solubilization agents for enhancing bioavailability of organic contaminants. The impact of hydroxypropyl-β-cyclodextrin (HPCD) on the biodegradation of polycyclic aromatic hydrocarbons (PAHs) was investigated in a batch study. Results showed that HPCD can significantly increase the apparent solubility of phenanthrene, which had a major impact on the biodegradation rate of phenanthrene. For example, in the presence of 10⁵ mg L⁻¹ HPCD, the substrate utilization rate increased 5.5 times and only 0.3% of the phenanthrene remained at the end of a 48-hour incubation. It strongly suggests that HPCD can significantly increase the bioavailability, and thereby enhance the biodegradation, of phenanthrene. Biodegradation is often of great importance for the transport, fate, and remediation of organic contaminants in the subsurface. When modeling biodegradation processes, it is usually assumed that the microbial population responsible for biodegradation is composed of a single species. However, this is unlikely to be true for many, if not most, field situations. The effect of multiple species of degraders on phenanthrene biodegradation and transport in a saturated soil (with a high phenanthrene sorption capacity) was evaluated with a series of miscible-displacement experiments. Breakthrough curves obtained for the non-sterile column experiment exhibited oscillations in microbial populations as well as in oxygen and phenanthrene concentrations during the 6 months of continuous injection of a constant-concentration phenanthrene solution. This behavior is due to the response of the heterogeneous bacterial population (24 species) to substrates and oxygen availability, wherein population dynamics is hypothesized to be mediated by competition and other multi-species interactions. The dynamics of heterogeneous microbial populations, especially under growth conditions, should be considered when evaluating contaminant biodegradation and transport in natural subsurface systems.
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Crosswell, Scott Brownlee. "Effects of Grasses on the Remediation of Creosote-Contaminated Surface Soil." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/42643.

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A grass phytoremediation field study was initiated in July 1997 at the site of a former railroad tie facility that used creosote for tie preservation. The site is contaminated with polycyclic aromatic hydrocarbons (PAHs). A test matrix consisting of 36 planted (clover, fescue and rye grasses) and unplanted cells was established. The focus of the study was to evaluate PAH remediation in fertilized plots that were unplanted or seeded with clover, fescue or rye. Samples were collected from a depth of 15 to 21 cm, and the six most prevalent PAHs, acenaphthene, fluorene, phenanthrene, fluoranthene, pyrene and chrysene were quantified. Data from four sampling periods, t=0, 9, 12 and 17 months is presented. At t=9 months, substantial loss of the five lowest molecular weight (LMW) PAHs had occurred, and the loss was attributed to natural attenuation. During the first 9 months, below average precipitation at the site delayed grass root development. Between t=9 and 12 months, above average precipitation was recorded and this appeared to accelerate chrysene removal rates in both the unplanted and planted cells; however, the rate was higher rate in the planted cells. Similarly, fluoranthene and pyrene degradation seemed to be enhanced in the fescue and rye cells. Over the last 8 months of the study, acenaphthene, fluorene and phenanthrene concentrations approached constant, minimum levels suggesting additional removal will be limited. PAH compounds with higher solubility correlated to decreased constituent soil concentrations. Additional sampling was initiated at t=17 months to compare PAH concentrations with depth. This was done because the observed root mass changed significantly with depth. Samples were taken at two additional depths 10 to 15 and 32 to 38 cm. Increased removal of fluoranthene and pyrene was observed in the uppermost zone, suggesting a role for plants in remediation of these 4 ringed PAHs.
Master of Science
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Miller, David J. "Effect of oil age on polyaromatic hydrocarbon emissions from automobiles." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101130.

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Automobiles are known to emit polyaromatic hydrocarbons. The literature indicates that the emission levels of these compounds are correlated with oil age, and it has been hypothesized that entry of oil into the combustion chamber is a major cause of these emissions. This experiment investigated the relationship between oil age and these polyaromatic hydrocarbon emissions. It was found that the three polyaromatics of interest seem to be emitted inconsistently and irregularly. It is possible that this was due to a buildup on the combustion chamber walls of these compounds: polyaromatics are formed in the quench layer near these walls and can accumulate there until dynamic equilibrium is reached. This may not have been reached at the time of the investigation since the engine was relatively new. This would be of interest for future investigations.
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Books on the topic "Polyaromatic hydrocarbons"

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Canada. Inland Waters Directorate. Ontario Region. Water Quality Branch. Organochlorines and polyaromatic hydrocarbons in the St. Lawrence River at Wolfe Island, 1982-84. Burlington, Ont: Environment Canada, Inland Waters / Lands Directorate, Ontario Region, Water Quality Branch, 1987.

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Waters, Canada Dept of the Environment Inland. Organochlorines and Polyaromatic Hydrocarbons in the st. Lawrence River at Wolfe Island, 1982/84. S.l: s.n, 1987.

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Duiser, J. A. Emissions into the atmosphere of polyaromatic hydrocarbons, polychlorinated biphenyls, lindane and hexachlorobenzene in europe. Apeldoorn, Netherlands: TNO, 1989.

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Kirsch, Barbara A. The development of a laser-induced fluorescence method for rapid screening of polyaromatic hydrocarbons. 1986.

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Gillen, Carrie Lea. Polyaromatic hydrocarbon remediation enhancements and their effect on heterotrophic and degrader populations. 2001.

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Book chapters on the topic "Polyaromatic hydrocarbons"

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Agteren, Martin H., Sytze Keuning, and Dick B. Janssen. "Polyaromatic hydrocarbons (PAHs)." In Environment & Chemistry, 287–349. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-9062-4_5.

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Martin, Colin J., Sarath D. Perera, and Sylvia M. Draper. "Thiophene Containing Polyaromatic Hydrocarbons." In Advances in Science and Technology, 120–22. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908158-11-7.120.

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Kadri, Tayssir, Agnieszka Cuprys, Tarek Rouissi, and Satinder Kaur Brar. "Microbial Degradation of Polyaromatic Hydrocarbons." In Microorganisms for Sustainability, 101–17. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7904-8_5.

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Sánchez, Nazly E., Alicia Callejas, Jesús Salafranca, Ángela Millera, Rafael Bilbao, and María U. Alzueta. "Formation and Characterization of Polyaromatic Hydrocarbons." In Cleaner Combustion, 283–302. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5307-8_11.

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Filatov, Alexander S., and Marina A. Petrukhina. "Coordination Preferences of Bowl-Shaped Polyaromatic Hydrocarbons." In Fragments of Fullerenes and Carbon Nanotubes, 157–85. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118011263.ch6.

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Keller, Rudolf. "Polyaromatic Hydrocarbons and the Condensation of Carbon in Stellar Winds." In Polycyclic Aromatic Hydrocarbons and Astrophysics, 387–97. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4776-4_37.

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Bhatia, Simran, Moyna Kalia, and Baljinder Singh. "Bioremediation of Polyaromatic Hydrocarbons: Current Status and Recent Advances." In Phytobiont and Ecosystem Restitution, 275–93. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1187-1_15.

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Andrésen, John M., Yinzhi Zhang, and M. Mercedes Maroto-Valer. "Reducing Emissions of Polyaromatic Hydrocarbons from Coal Tar Pitches." In Environmental Challenges and Greenhouse Gas Control for Fossil Fuel Utilization in the 21st Century, 59–72. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0773-4_5.

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Masila, Miriam M., and Omowunmi A. Sadik. "Electronic Nose for the Detection of Organochlorines and Polyaromatic Hydrocarbons." In Chemical and Biological Sensors for Environmental Monitoring, 37–59. Washington, DC: American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2000-0762.ch004.

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Schwab, A. P., and M. K. Banks. "Biologically Mediated Dissipation of Polyaromatic Hydrocarbons in the Root Zone." In Bioremediation through Rhizosphere Technology, 132–41. Washington, DC: American Chemical Society, 1994. http://dx.doi.org/10.1021/bk-1994-0563.ch012.

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Conference papers on the topic "Polyaromatic hydrocarbons"

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Swift, G. Peter, Natalia Kaliteevskaya, Karen L. Johnson, J. Martyn Chamberlain, and Andrew J. Gallant. "Terahertz spectroscopy of polyaromatic hydrocarbons." In 2010 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010). IEEE, 2010. http://dx.doi.org/10.1109/icimw.2010.5612610.

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Picciolo, Lisa C., Hideyuki Murata, and Zakya H. Kafafi. "Derivatives of polyaromatic hydrocarbons as red emitters in organic light-emitting diodes." In International Symposium on Optical Science and Technology, edited by Zakya H. Kafafi. SPIE, 2001. http://dx.doi.org/10.1117/12.416929.

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Nguyen, Jim, Crissini M. Sison, Varenka Lorenzi, Pitiporn Asvapathanagul, and Nhut M. Pham. "Monitoring Organochlorine Pesticides, Polychlorinated Biphenyls, and Polyaromatic Hydrocarbons in Wastewater and Groundwater." In World Environmental and Water Resources Congress 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480618.018.

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Adamec, Vladimir. "ASSESSMENT OF POLYAROMATIC HYDROCARBONS IN THE SURFACE SOILS OF AN URBAN AREA." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018v/4.3/s06.023.

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Takada, Tomonori, Hiroshi Ikezawa, and Yasuhiro Kotani. "Determination of Polyaromatic Hydrocarbons in Particulate Matter with HPLC and 3D-Detector." In Automotive and Transportation Technology Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-3318.

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Romanov, A., N. Bezuglova, G. Zinchenko, A. Kovrigin, V. Pavlov, D. Troshkin, I. Khvostov, et al. "Accumulation of the polyaromatic hydrocarbons in a snow cover of altai settlements." In 2011 International Conference on Multimedia Technology (ICMT). IEEE, 2011. http://dx.doi.org/10.1109/icmt.2011.6002382.

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Savchenkova, A. S., A. S. Semenikhin, I. V. Chechet, S. G. Matveev, M. Frenklach, and A. M. Mebel. "DIMERIZATION OF POLYAROMATIC HYDROCARBON MOLECULES WITH FORMATION OF E-BRIDGE BOND: A THEORETICAL STUDY." In 9TH INTERNATIONAL SYMPOSIUM ON NONEQUILIBRIUM PROCESSES, PLASMA, COMBUSTION, AND ATMOSPHERIC PHENOMENA. TORUS PRESS, 2020. http://dx.doi.org/10.30826/nepcap9a-13.

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Abstract:
In combustion engines and other fuel-burning devices, during the combustion of hydrocarbon fuels at a temperature of 1000-1400 K, soot is actively formed, deposited on the cold surfaces of the devices, which reduces their service life. At present, much attention is paid to the problems of controlling the amount and size of soot particles formed during combustion. However, the mechanism of soot formation has not yet been fully understood. It is assumed that under combustion conditions, young soot particles are formed by nucleation of aromatic and polyaromatic hydrocarbons (PAHs) with subsequent growth of particles due to the addition of new molecules.
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BISHT, SANDEEP, ANCHAL SOOD, PIYUSH PANDEY, SHIVESH SHARMA, and N. S. BISHT. "RHIZOREMEDIATION OF POLYAROMATIC HYDROCARBONS BY ARTHROBACTER SP., A RHIZOSPHERIC ISOLATE FROM POPULUS DELTOIDS." In Proceedings of the International Conference on CBEE 2009. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814295048_0092.

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Cardia, Roberto, Giuliano Malloci, Giovanni Serra, Andrea Bosin, and Giancarlo Cappellini. "Electronic and optical properties of functionalized polyaromatic hydrocarbons: a computational investigation on perfluorinated circumacenes." In SPIE Photonics Europe, edited by David Cheyns, Pierre M. Beaujuge, Volker van Elsbergen, and Jean-Charles Ribierre. SPIE, 2016. http://dx.doi.org/10.1117/12.2229744.

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Che, Shaohua, Jinxun Wang, Abdulkareem M. AlSofi, and Mohammed B. AlOtaibi. "Polyaromatic Hydrocarbon-Based Host-Guest Complex for Heavy Oil Viscosity Reduction." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-24522-ms.

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Abstract Polyaromatic hydrocarbons (PAHs) were known to interact with the micro-aggregates of asphaltene compound in heavy crude oil. This study aims at designing, synthesizing, and applying a water-soluble self-assembled viscosity reducer (SAVR) bearing PAHs to efficiently reduce the viscosity of heavy oil through the formation of host-guest complex. The synthesized SAVR product was composed of two chemical components A and B. In an emulsion comprising heavy oil and the SAVR, the PAH groups from the hydrophobic part (component A) strongly interacted with the asphaltene in heavy oil via π-π stacking and hydrophobic association to solubilize these components, the hydrophilic part (component B) of the SAVR self-assembled with component A via host-guest complex to improve the solubility of the entire SAVR in an aqueous environment. The collapse of the asphaltene component results in a decrease of the viscosity of heavy crude oil. The SAVR products were compatible with high-salinity water, and able to form stable oil-in-water (O/W) emulsions with heavy oil. The SAVR formulation exhibited high effectiveness in heavy oil viscosity reduction, the viscosity of heavy oil was decreased by 80% at a 1:1 mass ratio of A:B and an oil-to-water ratio of 7:3. At the heavy oil-water interface, the oil bulk was found to gradually disperse in the aqueous phase containing SAVR in the form of small oil droplets. This new chemical formulation has great potential in heavy oil displacement from a reservoir or treating produced heavy oil, ultra-heavy oil, oil sands, etc. Since the viscosity of the heavy oil can be substantially reduced, the oil can be more easily produced and transported for further processing in an economical and efficient manner.
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Reports on the topic "Polyaromatic hydrocarbons"

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Koyama, Hiroyuki, Hirotaka Kanno, and Yasunori Iwakiri. Examination About Availability of Rapid Analysis Methodology of Polyaromatic Hydrocarbons (PAHs) in Automotive Exhaust Emissions. Warrendale, PA: SAE International, September 2005. http://dx.doi.org/10.4271/2005-08-0660.

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Evaluation of fire debris cleanup employees' exposure to silica, asbestos, metals, and polyaromatic hydrocarbons. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, August 2019. http://dx.doi.org/10.26616/nioshhhe201800943355.

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