Search Results - "Schaef, H.T."

Brucite [Mg(OH₂)] carbonation in wet supercritical CO₂: An in situ high pressure X-ray diffraction study by Schaef, H.T, Windisch, C.F., Jr, McGrail, B.P, Martin, P.F, Rosso, K.M

“…Understanding mechanisms and kinetics of mineral carbonation reactions relevant to sequestering carbon dioxide as a supercritical fluid (scCO₂) in geologic…”
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Carbonate mineralization of volcanic province basalts by Schaef, H.T., McGrail, B.P., Owen, A.T.

“…Flood basalts are receiving increasing attention as possible host formations for geologic sequestration of anthropogenic CO 2, with studies underway in the…”
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Near-field performance assessment for a low-activity waste glass disposal system: laboratory testing to modeling results by McGrail, B.P., Bacon, D.H., Icenhower, J.P., Mann, F.M., Puigh, R.J., Schaef, H.T., Mattigod, S.V.

“…Reactive chemical transport simulations of glass corrosion and radionuclide release from a low-activity waste (LAW) disposal system were conducted out to times…”
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In situ XRD study of Ca2+ saturated montmorillonite (STX-1) exposed to anhydrous and wet supercritical carbon dioxide by Schaef, H.T., Ilton, E.S., Qafoku, O., Martin, P.F., Felmy, A.R., Rosso, K.M.

“…► In situ high pressure X-ray diffraction study of calcium montmorillonite in contact with scCO2. ► Montmorillonites in a 1W hydration state expand when in…”
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Insights into silicate carbonation processes in water-bearing supercritical CO2 fluids by Miller, Q.R.S., Thompson, C.J., Loring, J.S., Windisch, C.F., Bowden, M.E., Hoyt, D.W., Hu, J.Z., Arey, B.W., Rosso, K.M., Schaef, H.T.

“…[Display omitted] ► Pressurized XRD tracked carbonation of wollastonite in wet supercritical CO2. ► Thin water films formed on the wollastonite surface during…”
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Mineralization of basalts in the CO2–H2O–H2S system by Schaef, H.T., McGrail, B.P., Owen, A.T., Arey, B.W.

“…•Basalts react in CO2–H2S–H2O system to form pyrite and carbonate.•Reactivity with H2S is correlated with measured Fe(II)/Fe(III) ratios in the basalts.•Metal…”
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Brucite [Mg(OH 2)] carbonation in wet supercritical CO 2: An in situ high pressure X-ray diffraction study by Schaef, H.T., Windisch, C.F., McGrail, B.P., Martin, P.F., Rosso, K.M.

“…Understanding mechanisms and kinetics of mineral carbonation reactions relevant to sequestering carbon dioxide as a supercritical fluid (scCO 2) in geologic…”
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Impact of highly basic solutions on sorption of Cs + to subsurface sediments from the Hanford site, USA by Ainsworth, C.C., Zachara, J.M., Wagnon, K., McKinley, S., Liu, C., Smith, S.C., Schaef, H.T., Gassman, P.L.

“…The effect of caustic NaNO 3 solutions on the sorption of 137Cs to a Hanford site micaceous subsurface sediment was investigated as a function of base exposure…”
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