Chemical activation of carbon materials for supercapacitors: Elucidating the effect of spatial characteristics of the precursors
Colloids and Surfaces A: Physicochemical and Engineering Aspects(2020)
Abstract
•Effect of redox conditions on the surface wettability of a sandstone was investigated using Atomic Force Microscopy (AFM).•AFM probes functionalised with both polar (NH2 and COOH) and non-polar (CH3) crude oil components were utilised.•Adhesion forces between probes and rock surfaces decreased in the reducing fluid: NH2 (∼70 %) >COOH (∼36 %) >CH3 (∼3 %).•Sandstone morphology was affected by the reducing fluid with dissolution of mineral composition in cemented pores observed.
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Key words
Redox,Enhanced oil recovery,Atomic force microscopy,Sandstone,Iron oxide,Wettability
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