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An Overview of Wax Crystallization, Deposition Mechanism and Effect of Temperature & Shear

Azwan, Harun and Nik Khairul Irfan, Nik Ab Lah and Hazlina, Husin and Zulkafli, Hassan (2016) An Overview of Wax Crystallization, Deposition Mechanism and Effect of Temperature & Shear. In: International Conference on Industrial Engineering, Management Science and Application (ICIMSA), 23-26 MAY 2016 , Jeju Island, South Korea. pp. 1-5.. ISBN 978-1-5090-1671-6

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Abstract

Wax deposition can cause serious problem to crude oil transportation especially in offshore transport pipelines. It is cause by the heat transfer between the crude oil and the surrounding if there is no or insufficient thermal insulation layer coating on the pipeline. Cause of the wax deposition in the pipeline will lead to a smaller flow diameter of the pipeline, thus will results in flow restriction and production loss. This paper will explain briefly how wax started to form deposits base on crystallization theory. Besides that, this paper will review some of the proposed mechanisms of wax deposition such as molecular diffusion, soret diffusion, shear dispersion, brownian diffusion and gravity settling. Furthermore, the effects of temperature and shear towards wax deposition on internal surface of the pipeline are discussed.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: paraffin wax, wax crystallization, wax deposition mechanism, temperature, shear
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 27 Dec 2016 03:51
Last Modified: 31 Jan 2018 03:43
URI: http://umpir.ump.edu.my/id/eprint/14122
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