Improving the physical properties of nano-cellulose through chemical grafting for potential use in enhancing oil recovery

Qinzhi Li; Bing Wei; Yan Xue; Yangbing Wen; Jing Li

doi:10.21967/jbb.v1i4.62

Improving the physical properties of nano-cellulose through chemical grafting for potential use in enhancing oil recovery

doi: 10.21967/jbb.v1i4.62

a. StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation, Southwest Petroleum University, Chengdu, 610500, China;
b. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, 610500, China;
c. Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science & Technology, Tianjin, 300457, China;
d. Geological Exploration & Development Research Institute, CNPC Chuanqing Drilling Engineering Company Limited, Chengdu, 610051, China

基金项目:

The authors would like to acknowledge the financial support from PetroChina Innovation Foundation (2015D-5006-0212). The valuable comments made by the anonymous reviewers are also sincerely appreciated.

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出版历程

Improving the physical properties of nano-cellulose through chemical grafting for potential use in enhancing oil recovery

a. StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation, Southwest Petroleum University, Chengdu, 610500, China;
b. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, 610500, China;
c. Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science & Technology, Tianjin, 300457, China;
d. Geological Exploration & Development Research Institute, CNPC Chuanqing Drilling Engineering Company Limited, Chengdu, 610051, China

Funds:

摘要

摘要: The performance of nano-cellulose fluid as a "green" flooding agent in enhancing oil recovery was evaluated in our previous study. Expanding upon our prior findings, in this study the physical properties of nano-cellulose were further improved through chemical grafting with 2-acrylamido-2-methylpropane sulfonic acid monomer (AMPS) and alkyl chain. Scanning electron microscopy (SEM) observation indicated that the morphology of the nano-cellulose maintained fibrillar and was not altered after the chemical modification. The thermal stability of the AMPS and alkyl chain grafted nano-cellulose was investigated through thermogravimetric analysis (TGA). A similar thermal response behavior was observed for the three evaluated samples. Compared to the non-grafted nano-cellulose, the grafted nano-cellulose remained homogenous in an electrolyte solution against storage time, suggesting a superior sanity-tolerance. Rheological analysis also proved the advanced viscoelastic properties of the nano-cellulose dispersion.
- nano-cellulose /
- chemical grafting /
- thermal stability /
- dispersity /
- rheological behavior
Abstract: The performance of nano-cellulose fluid as a "green" flooding agent in enhancing oil recovery was evaluated in our previous study. Expanding upon our prior findings, in this study the physical properties of nano-cellulose were further improved through chemical grafting with 2-acrylamido-2-methylpropane sulfonic acid monomer (AMPS) and alkyl chain. Scanning electron microscopy (SEM) observation indicated that the morphology of the nano-cellulose maintained fibrillar and was not altered after the chemical modification. The thermal stability of the AMPS and alkyl chain grafted nano-cellulose was investigated through thermogravimetric analysis (TGA). A similar thermal response behavior was observed for the three evaluated samples. Compared to the non-grafted nano-cellulose, the grafted nano-cellulose remained homogenous in an electrolyte solution against storage time, suggesting a superior sanity-tolerance. Rheological analysis also proved the advanced viscoelastic properties of the nano-cellulose dispersion.
- nano-cellulose /
- chemical grafting /
- thermal stability /
- dispersity /
- rheological behavior