Journal
CHEMICAL ENGINEERING SCIENCE
Volume 228, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2020.116000
Keywords
T-junction; Eccentric annular; Oil-water; Separation characteristics; Flow pattern
Categories
Funding
- China Postdoctoral Science Foundation [2019M663242]
- Fundamental Research Funds for the Central Universities [19lgpy86]
- National Key Research and Development Program of China [2019YFC0312400]
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A novel eccentric annular T-junction tube was designed for oil-water separation. The separation characteristics of the eccentric annular T-junction tube were investigated by performing experiments and numerical analyses. The Eulerian model combined with the standard k-E turbulence model was used to numerically analyze the flow characteristics. Combining the dynamic separation principle of the T-junction tubes with the shallow pond theory, the eccentric annular T-junctions can achieve better overall separation performance than the regular T-junctions. The experimental results indicated that reducing the degree of mixing of the two-phases at the inlet improved the phase separation in the eccentric annular T-junction tubes. The flow pattern had a larger effect on the separation performance than the mixture velocity. The floating oil tube was beneficial to the oil-water separation, particularly at a low mixture velocity and high oil content. The results can be used for the design and operation of tube separators. (C) 2020 Elsevier Ltd. All rights reserved.
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