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Enzymatic method for improving the injectability of polysaccharides [electronic resource].

Published
Oak Ridge, Tenn. : Oak Ridge National Laboratory, 1982.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Additional Creators
Oak Ridge National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A method for enhancing the ability of polysaccharides in aqueous solution to flow through a porous medium comprises contacting the polysaccharides with an endoenzyme capable of hydrolyzing at least one of the linkages of the sugar units of the polysaccharides and maintaining the polysaccharides in contact with the enzyme under hydrolysis conditions for a time sufficient to decrease the tendency of the polysaccharides to plug the porous medium yet insufficient to decrease the viscosity of the aqueous polysaccharides by more than 25%. The partially hydrolyzed polysaccharides are useful as thickening agents for flooding water used to recover oil from oil-containing subterranean formations.
Report Numbers
E 1.99:us 4326037
us 4326037
Other Subject(s)
Note
Published through SciTech Connect.
01/01/1982.
"us 4326037"
Griffith, William L. (Oak Ridge, TN); Compere, Alicia L. (Knoxville, TN); Holleman, James W. (Oak Ridge, TN).
View MARC record | catkey: 23766095