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The existence of a critical salt concentration for particle release

dc.contributor.authorKhilar, Kartic C.en_US
dc.contributor.authorFogler, H. Scotten_US
dc.date.accessioned2006-04-07T18:19:58Z
dc.date.available2006-04-07T18:19:58Z
dc.date.issued1984-09en_US
dc.identifier.citationKhilar, K. C., Fogler, H. S. (1984/09)."The existence of a critical salt concentration for particle release." Journal of Colloid and Interface Science 101(1): 214-224. <http://hdl.handle.net/2027.42/24708>en_US
dc.identifier.urihttp://www.sciencedirect.com/science/article/B6WHR-4CV7Y7W-P/2/7e7df20f630f54c968de380329b6186ben_US
dc.identifier.urihttps://hdl.handle.net/2027.42/24708
dc.description.abstractA critical salt concentration (CSC) was found to exist in the water sensitivity of Berea sandstone. If the salinity of the permeating fluid falls below the CSC, the sandstone permeability is significantly reduced as a result of clay particles being released from the pore walls and blocking the pore throats. However, when changes in salinity occur above this threshold value, clay particles are not released from the pore walls in the sandstone and therefore no reduction in core permeability occurs. The CSC was determined by core flood experiments in conjunction with particle analysis of core effluent samples. The CSC exists only in the case of monovalent cations and is virtually nonexistent for cations having a valence greater than one. Even among monovalent cations the CSC varies considerably and it decreases with increasing ion exchange affinity of the clay for the counterion. For polyvalent counterions, the release of clay particles is effectively prevented due to the strong ion-exchange affinity of clay for the counterion. The critical salt concentration was also found to depend on the temperature, but not on the flowrate, of the electrolyte solution. The temperature dependence has been explained by using the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory of stability of colloidal dispersions.en_US
dc.format.extent848275 bytes
dc.format.extent3118 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_US
dc.publisherElsevieren_US
dc.titleThe existence of a critical salt concentration for particle releaseen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelMaterials Science and Engineeringen_US
dc.subject.hlbsecondlevelChemistryen_US
dc.subject.hlbsecondlevelChemical Engineeringen_US
dc.subject.hlbtoplevelScienceen_US
dc.subject.hlbtoplevelEngineeringen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USAen_US
dc.contributor.affiliationumDepartment of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USAen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/24708/1/0000129.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1016/0021-9797(84)90021-3en_US
dc.identifier.sourceJournal of Colloid and Interface Scienceen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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