期刊
PETROLEUM SCIENCE AND TECHNOLOGY
卷 35, 期 19, 页码 1896-1902出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2017.1369116
关键词
asphaltene precipitation inhibitor; deep eutectic solvent; dynamic light scattering; microscopic method; ultraviolet-visible spectrometry
In this research work, a family of green solvents named deep eutectic solvents (DES) was used as asphaltene precipitation inhibitor for the first time as per our knowledge, i.e., choline chloricle:rnonoethylene glycol acid (1:1). Ultraviolet visible (UV-vis) spectrometry was used to estimate the precipitation onset point of asphaltene and to evaluate the impact of the DES to increase their resistance against the precipitant effect. A microscopic method was used to monitor the agglomeration trend during titration. The distribution of asphaltene particles monitored by dynamic light scattering (DLS) showed a value of 1,419 nm for inhibitor-free sample, while for sample with the DES was 1,039 nm under similar conditions.
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