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AuthorNasser, M.S.
AuthorAl-Marri, M.J.
AuthorKhraisheh, Majeda
AuthorSaad, M.A.
Available date2022-05-21T08:36:54Z
Publication Date2015
Publication NameEngineering Sciences and Fundamentals 2015 - Core Programming Area at the 2015 AIChE Annual Meeting
ResourceScopus
Identifierhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84970024487&partnerID=40&md5=c60a33ba6d121fdeb86b841aea89bca4
URIhttp://hdl.handle.net/10576/31219
URIhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84970024487&partnerID=40&md5=c60a33ba6d121fdeb86b841aea89bca4
AbstractCalcium bentonite was activated with soda ash (Na2CO3) at various ratios and due to the ion exchange; the original Ca-bentonite was converted to Na-bentonite. It was found that the Na2CO3 activation improves the swelling and rheological properties of the bentonite suspension. The results showed that the magnitude of the viscosity, η, elastic modulus, G′, and viscous modulus, G″, depend on the strength of the bentonite gel structure and interactions. The activated bentonite showed higher values of η, G′, and G″ compare to inactivated bentonite. A strong correlation between the bentonite type, soda ash concentration and rheological behaviour of bentonite is established.
Languageen
PublisherAIChE
TitleRheological characterization of NA2CO3 activated calcium bentonite for oil and gas drilling applications
TypeConference Paper
Pagination1251-1258
Volume Number2
dc.accessType Abstract Only


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