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NETLPhysical cleaning of coal is employed to remove ash-forming minerals and pyrites. The cleaning increases the value of coal and simultaneously leads to a lessening of undesirable...
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Gathering Resources...NETLCapillary-column gas-chromatography/mass-spectrometry (GC/MS) was performed on the acid, base, and neutral fractions of liquid- and particulate-phase methylene chloride extracts...-
Dataset Size: 3.316 MB
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Gathering Resources...NETLGases that are evolved, as eastern oil shale is heated from 150/sup 0/C to 900/sup 0/C, have been monitored by mass spectrometry. Profiles of gas evolution as a function of...-
Dataset Size: 1.817 MB
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Gathering Resources...NETLCurrently available oil yield loss diagnostic methods are not adequate for evaluating oil yield losses of retorting systems operating in the indirect-heated mode at slow heating...-
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Gathering Resources...NETLThis project was undertaken to determine the chemical behavior of alkali metal and other species implicated in the ash fouling which can occur during the combustion of low rank...-
Dataset Size: 5.796 MB
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Gathering Resources...NETLCharacterization work has begun on organic compounds and compound classes to establish a baseline for the evaluation and development of alternative instrumental characterization...-
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Gathering Resources...NETLA tar base concentrate from a hydrocracked shale oil naphtha was seperated by gas-liquid partition chromatography using nonpolar and polar columns. Final cuts were analyzed by...-
Dataset Size: 1.29 MB
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Gathering Resources...NETLA chromatographic-infrared method has been used for the separation and characterization of acid compound types in shale oil high-boiling distillates. Acid compound concentrates...-
Dataset Size: 2.701 MB
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Gathering Resources...NETLLiquid product samples generated by thermal decomposition of oil shale at 425/sup 0/C for time periods ranging from 10 to 120 minutes were evaluated using combined gas...-
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Gathering Resources...NETLHydrophilic organic solutes in oil shale retort waters are potential indicators of aqueous contaminants emanating from retorting operations. Monitoring these contaminants has...-
Dataset Size: 2.828 MB
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Gathering Resources...NETLTables of the chemical composition of coal extracts and coal liquid products from the Synthoil process are presented based on chemical analysis or mass spectrometry of samples...-
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Gathering Resources...NETLSpent oil shale (Green River Formation) from a Paraho directly fired retort was extracted with distilled/deionized water for 28 days at ambient temperature. The aqueous extract...-
Dataset Size: 3.091 MB
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Gathering Resources...NETLAuger Electron Spectroscopy (AES) and Energy-Dispersive Spectrometry (EDS) were used to examine various oil shales, a spent shale, and a low-temperature ash in order to evaluate...-
Dataset Size: 1.854 MB
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Gathering Resources...NETLThe Department of Energy (DOE), Morgantown Energy Technology Center (METC), is involved in the characterization of organic components present in the process and by-product...-
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Gathering Resources...NETLA method has been developed to compute matrix connections for unweighted oil samples from the combined results of two separate energy-dispersive X-ray fluorescence spectra from...-
Dataset Size: 2.835 MB
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Gathering Resources...NETLThe identification of seven polyaromatic ring systems in petroleum is reported. The ring systems are 1.12,2.3-dibenzoperylene; 1,12-o-phenyleneperylene,...-
Dataset Size: 877.513 KB
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Gathering Resources...NETLThe nitrogen content of retorted shale oils needs to be reduced if the oils are to be used as transportation fuels. The nitrogen compound-type compositions in oils and fuels are...-
Dataset Size: 3.058 MB
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Gathering Resources...NETLThis report summarizes the various analytical methods used to analyze the liquids produced in the Pricetown I underground coal gasification experiment. Techniques used to...-
Dataset Size: 1.398 MB
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Gathering Resources...NETL"Petroleum chemists have generally considered that the bases in petroleum are nitrogen compounds. Evidence is presented to show that a portion of the weak bases are...-
Dataset Size: 686.865 KB
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Gathering Resources...NETLThe mechanisms involved in the catalytic gasification reactions of coal char, from Illinois No. 6 coal, have been studied and specific reaction steps and parameters that control...-
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