纳米氧化锌与聚乙烯丁烯对含蜡原油流变性的协同作用

Q1 Earth and Planetary Sciences
Toyin Olabisi Odutola
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引用次数: 0

摘要

本研究考察了使用75nm氧化锌纳米颗粒(纳米ZnO)和聚乙烯丁烯(PEB)来降低尼日利亚含蜡原油的粘度。原油的流变性是通过测量含有PEB的样品在500、1000、2000、3000、4000或5000ppm下的粘度和剪切应力来评估的,纳米ZnO在1、2、3或4wt%下在10和35°C之间,剪切速率为1.7到1020s−1。流变模型表明,幂律假塑性模型最适合实验数据,回归系数为0.99。这些抑制剂的添加在粗样品中诱导了牛顿流体行为,使得剪切应力-剪切速率关系图在所有温度下都是线性的。本研究中抑制剂的最佳浓度为2000ppm PEB(粘度降低33%)和1wt%纳米ZnO(粘度降低26%)。这些添加剂在这些浓度下的组合提供了协同效应,并使粘度降低了41%。这项工作表明,ZnO纳米颗粒和PEB的共混物可以改善含蜡原油的流动性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A synergistic effect of zinc oxide nanoparticles and polyethylene butene improving the rheology of waxy crude oil

This research examined the use of 75 nm zinc oxide nanoparticles (nano ZnO) and polyethylene butene (PEB) to decrease the viscosity of Nigerian waxy crude oil. The rheology of the crude oil was assessed by measuring the viscosity and shear stress of samples containing PEB at 500, 1000, 2000, 3000, 4000 or 5000 ppm and nano ZnO at 1, 2, 3 or 4 wt% between 10 and 35 °C at shear rates from 1.7 to 1020 s−1. Rheological modeling indicated that a power law pseudoplastic model was the best fit for the experimental data, giving a regression coefficient of 0.99. The addition of these inhibitors induced Newtonian fluid behavior in the crude samples such that the shear stress-shear rate relationship plots were linear at all temperatures. The optimum concentrations of the inhibitors in this study were 2000 ppm PEB (providing a 33% viscosity reduction) and 1 wt% nano ZnO (providing a 26% viscosity reduction). A combination of these additives at these concentrations provided a synergistic effect and gave a greater viscosity reduction of 41%. This work demonstrates that a blend of ZnO nanoparticles and PEB can improve the flowability of waxy crude.

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来源期刊
Petroleum Research
Petroleum Research Earth and Planetary Sciences-Geology
CiteScore
7.10
自引率
0.00%
发文量
90
审稿时长
35 weeks
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