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Mathematical modeling of RDC column in extraction of base oil and computing of the energy saving

Version 2 2024-06-18, 03:14
Version 1 2017-10-02, 09:45
journal contribution
posted on 2024-06-18, 03:14 authored by Seyed Mousa FakhrHoseini, Touraj Tavakkoli, Mohammad Sadegh Hatamipour, Amir Hossein Mehrkesh
Background A mathematical modeling approach was used to obtain a simulation model to predict the performance of an industrial rotating disc contactor (RDC) in the extraction of lubricating base oils by furfural. The field data of a lube‐oil producing plant was used to validate the model. This model can be used for the parametric study of the RDC column and to investigate the effect of operational data such as solvent and feed temperatures, solvent to feed ratio, and agitation rate on the yield of extraction and on the energy saving value of the extraction. Results The mathematical modeling of RDC shows good agreement with the plant data with an accuracy of 95% and the model was used to investigate the effect of adding a co‐solvent. Conclusion Results show that by using furfural with added 2,2,4 trimethylpentane it is possible to perform the extraction process at a lower process temperature, 363.15 K, compared with 393.15 K using furfural as solvent, and also at a lower 1.3 solvent/feed ratio, compared with 1.5 when furfural alone was used for as the solvent. This process modification leads to saving of 38% of the consumed energy per cubic meter of product in the extraction process.

History

Journal

Journal of Chemical Technology & Biotechnology

Volume

88

Pagination

1289-1294

Location

Oxford, Eng.

ISSN

0268-2575

eISSN

1097-4660

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2012, Society of Chemical Industry

Issue

7

Publisher

John Wiley & Sons

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