"Investigation Of Dynamic Adsorption And Desorption Of Polymer Nanogel " by Junchen Liu, Fuqiao Bai et al.
 

Abstract

Understanding the transport and retention of elastic nanogel and microgel particles in porous media has been a significant research subject for decades, essential to the application of enhanced oil recovery (EOR). However, a lack of dynamic adsorption and desorption studies, in which the kinetics in porous media are seldom investigated, hinders the design and application of polymer nanogel in underground porous media. In this work, we visualized and quantified the transport and dynamic adsorption of polymer nanogel in 3D glass micromodels that were manufactured by packing glass beads in capillaries. Calibrating the linearity of fluorescence intensity to concentration, we calculated the adsorption kinetics at concentrations of 0.1 wt.%, 0.2 wt.%, and 0.3 wt.% and flow rates of 0.01 mL/h, 0.02 mL/h, and 0.03 mL/h. In addition to time, concentration, and flow rate, the experimental results showed that dynamic adsorption is also a function of transport distance, which is due to the different adsorption abilities of particles. We also found that the uneven adsorption distribution can be attenuated by decreasing nanogel concentration or increasing flow rate. The work provides a new method to obtain adsorption and desorption kinetics and adsorption profile of submicron particles in porous media at flowing conditions through microfluidics.

Department(s)

Mathematics and Statistics

Second Department

Geosciences and Geological and Petroleum Engineering

Third Department

Chemical and Biochemical Engineering

Publication Status

Available Access

Comments

Qatar National Research Fund, Grant # NPRP13S-1231-190009

International Standard Serial Number (ISSN)

1086-055X

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2025 Society of Petroleum Engineering, All rights reserved.

Publication Date

01 Jan 2025

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