Identification of Nanocellulose Retention Characteristics in Porous Media

Nanomaterials
Reidun C AadlandSteven L Bryant

Abstract

The application of nanotechnology to the petroleum industry has sparked recent interest in increasing oil recovery, while reducing environmental impact. Nanocellulose is an emerging nanoparticle that is derived from trees or waste stream from wood and fiber industries. Thus, it is taken from a renewable and sustainable source, and could therefore serve as a good alternative to current Enhanced Oil Recovery (EOR) technologies. However, before nanocellulose can be applied as an EOR technique, further understanding of its transport behavior and retention in porous media is required. The research documented in this paper examines retention mechanisms that occur during nanocellulose transport. In a series of experiments, nanocellulose particles dispersed in brine were injected into sandpacks and Berea sandstone cores. The resulting retention and permeability reduction were measured. The experimental parameters that were varied include sand grain size, nanocellulose type, salinity, and flow rate. Under low salinity conditions, the dominant retention mechanism was adsorption and when salinity was increased, the dominant retention mechanism shifted towards log-jamming. Retention and permeability reduction increased as grain size decrea...Continue Reading

References

Mar 6, 2010·Chemical Reviews·Youssef HabibiOrlando J Rojas
May 21, 2011·Angewandte Chemie·Dieter KlemmAnnie Dorris
Dec 13, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Hua-Neng XuXiao-Kun Ouyang
Dec 19, 2016·Carbohydrate Polymers·Ellinor B HeggsetKristin Syverud

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Methods Mentioned

BETA
chemical treatment
atomic-force microscopy
AFM
dynamic light scattering
dynamic light-scattering

Software Mentioned

ScanAsyst

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