Functionalized Ti3C2Tx MXene Nanosheets for Increased Emulsion Viscosity and Enhanced Heavy Oil Recovery
Source abstract
Abstract
Heavy oil extraction is a challenging and energy-intensive process. Herein, Ti 3 AlC 2 was etched to obtain nanosheet layer Ti 3 C 2 T x MXene, which was then carboxylated and poly(ethylene glycol) (PEG)-grafted to obtain Ti 3 C 2 T x -COOH- g -PEG to increase viscosity for stabilizing SDBS emulsions. Morphological analysis confirmed the formation of a nanosheet layer structure, and structural analysis confirmed PEG grafting (21.50%). Crossover emulsification experiments demonstrated that Ti 3 C 2 T x -COOH- g -PEG at 0.3 mg/mL exhibited excellent resistance to mineralization, high temperatures, and elevated pH levels. Ti 3 C 2 T x -COOH- g -PEG improved the surfactant solubility under high mineralization conditions and reduced solution corrosiveness. Emulsion displacement tests proved the effectiveness of Ti 3 C 2 T x -COOH- g -PEG in enhancing the heavy oil recovery by 25.07%. Therefore, Ti 3 C 2 T x -COOH- g -PEG is an ideal emulsion stabilizer, offering substantial improvements in emulsification for enhancing oil recovery.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Pickering emulsions and particle stabilization · Membrane Separation Technologies · Micro and Nano Robotics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemistry and Materials Science, National and Local Joint Engineering Research Center of Biomedical Functional Materials, Nanjing Normal University (NNU), Nanjing 210023, China
College of Materials Science and Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China
Petroleum Engineering Technology Research Institute of Jiangsu Oilfield Company, SINOPEC, Yangzhou 225009, China
College of Environmental Engineering, Nanjing Institute of Technology, Nanjing 211167, China
Oilfield Chemistry Key Laboratory, Research Institute of Petroleum Exploration and Development (RIPED), CNPC, Beijing 100083, China
Funding
National Natural Science Foundation of China
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