Elisabeth Neubauer
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View article: Recovery Observations from Alkali, Nanoparticles and Polymer Flooding as Combined Processes
Recovery Observations from Alkali, Nanoparticles and Polymer Flooding as Combined Processes Open
We have studied wettability alterations through imbibition/flooding and their synergy with interfacial tension (IFT) for alkalis, nanoparticles and polymers. Thus, the total acid number (TAN) of oil may determine the wetting-state of the r…
View article: Sorption of Nanomaterials to Sandstone Rock
Sorption of Nanomaterials to Sandstone Rock Open
We investigated the interaction of silica nanostructured particles and sandstone rock using various experimental approaches, such as fluid compatibility, batch sorption and single-phase core-floods. Diol and polyethylenglycol (PEG) surface…
View article: Wettability Changes Due to Nanomaterials and Alkali—A Proposed Formulation for EOR
Wettability Changes Due to Nanomaterials and Alkali—A Proposed Formulation for EOR Open
We investigated the usage of two silica nanomaterials (surface-modified) and alkali in enhanced oil recovery through Amott spontaneous imbibition tests, interfacial tension (IFT) measurements, and phase behavior. We evaluated the wettabili…
View article: River-derived humic substances as iron chelators in seawater
River-derived humic substances as iron chelators in seawater Open
The speciation of iron(III) in oxic seawater is dominated by its hydrolysis and sedimentation of insoluble iron(III)-oxyhydroxide. As a consequence, many oceanic areas have very low iron levels in surface seawater which leads to iron defic…