Maturity Trends in Raman Spectra from Kerogen and Coal von Kelemen, S. R, Fang, H. L

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The structural evolution of organic matter during maturation of coals and its impact on petroleum potential and feedstock for the deep biosphere von Vu, T.T.A., Horsfield, B., Mahlstedt, N., Schenk, H.J., Kelemen, S.R., Walters, C.C., Kwiatek, P.J., Sykes, R.

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Thermal Transformations of Nitrogen and Sulfur Forms in Peat Related to Coalification von Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Kwiatek, P. J, Sansone, M, Walters, C. C, Cohen, A. D

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Structural Response of Coal to Drying and Pentane Sorption von Kelemen, S. R., Kwiatek, L. M., Siskin, M., Lee, A. G. K.

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Delayed Coker Coke Morphology Fundamentals:  Mechanistic Implications Based on XPS Analysis of the Composition of Vanadium- and Nickel-Containing Additives during Coke Formation von Kelemen, S. R, Siskin, M, Gorbaty, M. L, Ferrughelli, D. T, Kwiatek, P. J, Brown, L. D, Eppig, C. P, Kennedy, R. J

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Quantification of Nitrogen Forms in Argonne Premium Coals von Kelemen, S. R, Gorbaty, M. L, Kwiatek, P. J

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Asphaltene Molecular Structure and Chemical Influences on the Morphology of Coke Produced in Delayed Coking von Siskin, M, Kelemen, S. R, Eppig, C. P, Brown, L. D, Afeworki, M

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Petroleum Expulsion Part 2. Organic Matter Type and Maturity Effects on Kerogen Swelling by Solvents and Thermodynamic Parameters for Kerogen from Regular Solution Theory von Kelemen, S. R., Walters, C. C., Ertas, D., Kwiatek, L. M., Curry, D. J.

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Petroleum Expulsion Part 3. A Model of Chemically Driven Fractionation during Expulsion of Petroleum from Kerogen von Kelemen, S. R., Walters, C. C., Ertas, D., Freund, H., Curry, D. J.

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Quantification of Organic Oxygen Species on the Surface of Fresh and Reacted Argonne Premium Coal von Kelemen, S. R, Kwiatek, P. J

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Direct Characterization of Kerogen by X-ray and Solid-State 13C Nuclear Magnetic Resonance Methods von Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Sansone, M, Kwiatek, P. J, Walters, C. C, Freund, H, Siskin, M, Bence, A. E, Curry, D. J, Solum, M, Pugmire, R. J, Vandenbroucke, M, Leblond, M, Behar, F

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Solventless Deasphalting: Selective Sulfonation Chemistry of Petroleum Asphaltenes and Resids von Francisco, M. A, Siskin, M, Kelemen, S. R, Moser, D. J, Szobota, J. S, Edwards, K. E, Lyng, J. S

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Chemical Approach to Control Morphology of Coke Produced in Delayed Coking von Siskin, M, Kelemen, S. R, Gorbaty, M. L, Ferrughelli, D. T, Brown, L. D, Eppig, C. P, Kennedy, R. J

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Characterization of Organically Bound Oxygen Forms in Lignites, Peats, and Pyrolyzed Peats by X-ray Photoelectron Spectroscopy (XPS) and Solid-State 13C NMR Methods von Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Cohen, A. D

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XPS and 15N NMR Study of Nitrogen Forms in Carbonaceous Solids von Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Kwiatek, P. J, Solum, M. S, Hu, J. Z, Pugmire, R. J

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Thermal Chemistry of Nitrogen in Kerogen and Low-Rank Coal von Kelemen, S. R, Freund, H, Gorbaty, M. L, Kwiatek, P. J

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Nitrogen Transformations in Coal during Pyrolysis von Kelemen, S. R, Gorbaty, M. L, Kwiatek, P. J, Fletcher, T. H, Watt, M, Solum, M. S, Pugmire, R. J

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Physical properties of selected block Argonne Premium bituminous coal related to CO2, CH4, and N2 adsorption von Kelemen, S.R., Kwiatek, L.M.

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Direct Characterization of Kerogen by X-ray and Solid-State [superscript 13]C Nuclear Magnetic Resonance Methods von Kelemen, S. R., Afeworki, M., Gorbaty, M.L., Sansone, M., Kwiatek, P.J., Walters, C.C., Freund, H., Siskin, M., Bence, A.E., Curry, D.J., Solum, M., Pugmire, R.J., Vandenbroucke, M., Leblond, M., Behar, F.

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XPS characterization of glassy-carbon surfaces oxidized by O2, CO2, and HNO3 von Kelemen, S. R, Freund, H

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