A novel and efficient epoxy/chitosan cement slurry for use in severe acidic environments of oil wells—Structural characterization and kinetic modeling
作者： Antonio R. Cestari , Eunice F.S. Vieira , Fernanda J. Alves , Ellen C.S. Silva , Marcos A.S. Andrade
DOI: 10.1016/J.JHAZMAT.2012.01.068
关键词: Kinetic energy 、 Fourier transform infrared spectroscopy 、 Kinetics 、 Waste management 、 Aqueous solution 、 Materials science 、 Chemical engineering 、 Epoxy 、 Slurry 、 Chitosan 、 Biopolymer
摘要: In this study, the biopolymer chitosan was used to synthesize a new epoxy/chitosan cement slurry. The features of slurry were evaluated in relation standard (w/c=0.5). A kinetic study interaction slurry/HCl performed simulate use environmental-friendly acidizing procedures oil wells. experimental data well fitted three-parameter model. analysis modeling suggests that surface reactions constitute main interactions at interface epoxy/chitosan-modified slurry/HCl. characterization slurries by FTIR, XRD, TG/DTG and solid-state reflectance spectroscopy. results have pointed out preserved, even after long-term contact with HCl aqueous solution. underline excellent for using
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