Progress of research on diesel wax deposition during batch transportation of products pipeline
2022
Weidong LI | Wenda WANG | Yufan ZHANG | Hanqing ZHANG | Lin TENG | Xin HUANG
The wax deposits of diesel may be formed at low environment temperature during the batch transportation of products pipeline, which will contaminate the subsequent gasoline, resulting in the loss of oil mixing. Therefore, researches on wax deposition of diesel are significant to ensure the economic and efficient operation of products pipelines. Herein, the existing theories on wax deposition were reviewed, and the status of experimental study on wax deposition of diesel was clarified from perspectives of static and dynamic experiments. In addition, the prediction models of wax deposition rate of diesel based on the theories of molecular diffusion and shear dispersion were summarized. Thereby, it is pointed out that strengthening the research on wax deposition mechanism, establishing wax deposition model, and quantitatively characterizing the change rules of quality parameters of the subsequent gasoline with the wax dissolved, are the key direction of research on batch transportation of products pipeline. Besides, by systematically representing the progress of researches on wax deposition of diesel, some reference is provided for the relevant deep researches that may be performed in the future.
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