Effect of monovalent/divalent ions and SiO2-based nanocomposite dosage on thermochemical stability of HPAM polymeric solutions

被引:0
作者
Gallego, Jhon F. [1 ]
Giraldo, Lady J. [1 ]
Quintero, Henderson I. [2 ]
Garcia, Hugo A. [2 ]
Zapata, Karol [1 ]
Heidari, Samira [1 ]
Riazi, Masoud [3 ]
Franco, Camilo A. [1 ]
Cortes, Farid B. [1 ]
机构
[1] Univ Nacl Colombia Sede Medellin, Fac Minas, Grp Invest Fenomenos Superficie Michael Polanyi, Medellin 050034, Colombia
[2] Ecopetrol SA, Inst Colombiano Petroleo, Piedecuesta, Santander, Colombia
[3] Nazarbayev Univ, Sch Min & Geosci, Kabanbay Batyr 53, Astana 010000, Kazakhstan
关键词
Amine; Chelation; Nanoparticles; Partially hydrolyzed polyacrylamide; (HPAM); Polymer; Thermochemical stability; SILICA NANOPARTICLES; SIO2; NANOPARTICLES; FIELD APPLICATIONS; OIL; POLYACRYLAMIDE; EDTA; WATER; NANOTECHNOLOGY; ADSORPTION; SUSPENSION;
D O I
10.1016/j.petlm.2024.07.001
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This study evaluated the effect of monovalent and divalent ions and the dosage of a SiO2-based nanocomposite on the thermochemical stability of HPAM polymeric solution. Chelating amine-functionalized NPs (AFNPs) were used to enhance the thermochemical stability of HPAM based on capturing monovalent/divalent ions after seven days at 70 degrees C. Different polymer solutions prepared with calcium chloride dihydrate (CaCl2.2H2O) at 2000 mg/L and sodium chloride (NaCl) at 10000 mg/L, and two different dosages of HPAM (1000 and 2000 mg/L) were assessed in the presence and absence of AFNPs at dosages of 200, 500 and 1000 mg/L. The nanocomposite was characterized by N2 adsorption, Fourier-transformed infrared spectrophotometry (FTIR), thermogravimetric analysis (TGA), dynamic Light Scattering (DLS), and Zeta potential (ZP). Stability tests over time confirmed the positive effect of nanocomposite on increasing the thermochemical stability of polymer solutions. Results revealed that adding 0, 200, and 500 mg/L of nanocomposite to the polymeric solution at 1000 mg/L of HPAM, 10000 mg/L of NaCl, and 2000 mg/L of CaCl2.2H2O led to the viscosity reductions of 73.5%, 18%, and less than 1% after 7 days (70 degrees C), respectively. Nanocomposite at 200 mg/L reduces the polymer degradation in the presence of the two salts evaluated separately, i.e., 20% for 10000 mg/L of NaCl and 15% for 2000 mg/L of CaCl2.2H2O. The adsorption tests on AFNPs and SiO2 NPs concluded that AFNPs had higher adsorption of cations in comparison to SiO2 NPs and that greater adsorption of cations is related to a reduction in polymer degradation. (c) 2024 Southwest Petroleum University. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码:719 / 735
页数:17
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