Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 101-84-8, Name is Diphenyl oxide, molecular formula is C12H10O. In an article, author is Wang, Hongbing,once mentioned of 101-84-8, Category: ethers-buliding-blocks.
Study on the influence of the external conditions and internal components on foam performance in gas recovery
In the lifting process of drainage gas recovery, external conditions and internal components of the foam are complex. We used molecular dynamics simulation to construct a series of fatty alcohol polyoxyethylene ether sulfate (AES) foam models that could represent various foams in different lifting stages from well to ground. The effect of temperature and pressure on foam stability was investigated. We found that there are two main reasons for foam instability in the first-half stage of the lifting process. Firstly, high temperature aggravated the molecule movement; some CH4 molecules entered the foam film and formed a molecular transport channel. Secondly, the interaction between the CH4 phase and condensate oil leads to some alkane molecules entering the gas-liquid interface. The calculation results and theoretical analysis will help to deepen the understanding of the performance of oily foams under harsh conditions. (C) 2020 Elsevier Ltd. All rights reserved.
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