eprintid: 2325 rev_number: 2 eprint_status: archive userid: 1 dir: disk0/00/00/23/25 datestamp: 2023-11-09 15:50:32 lastmod: 2023-11-09 15:50:32 status_changed: 2023-11-09 15:42:30 type: conference_item metadata_visibility: show creators_name: Mokhlif, N.D. creators_name: Al-Kayiem, H.H. creators_name: Baharom, M.B. title: Numerical model to simulate wax crystallization in: Scraped surface heat exchangers ispublished: pub keywords: Chemical analysis; Dewaxing; Heat exchangers; Heat transfer; Kinetics; Solvents, Carbon number distribution; Mathematical descriptions; Multiparameters; Scraped surface heat exchangers; Separation techniques; Solvent dewaxing; Solvent injection; Wax crystallization, Numerical models note: cited By 1; Conference of 2nd IEEE International Conference on Open Systems, ICOS 2011 ; Conference Date: 25 September 2011 Through 28 September 2011; Conference Code:87606 abstract: This paper presents a numerical model describe the kinetic of wax crystallization in scraped surface exchangers that mostly used in solvent dewaxing as a separation technique. The model consists of a combination between the heat transfer and the kinetic of wax crystallization. Solvent dewaxing process is selectivity reduced the higher normal paraffin components. This fact provides easier handling of the characteristic of the kinetics of wax crystallization, physical properties, and flow behavior. Chemical analyses of the feedstock are important to specify the carbon number distribution, dissolved temperature, and wax content. Wax crystallization in scraped surface heat exchanger is dependent of a large number of variables and is still subject of unclassified researches within few companies. Such process as affected by multi-parameters, need a mathematical description of wax crystallization to predict e.g. the mass fraction, the crystals number, their size, and temperature distribution incrementally. Controlling of the solvent injection ratio is very important parameter e.g. to adjust the viscosity and supersaturation of the oil-solvent-wax mixture. The simulation results will satisfy the wax crystals characteristics and oil recovery. © 2011 IEEE. date: 2011 publisher: IEEE Computer Society official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-83155161703&doi=10.1109%2fICOS.2011.6079310&partnerID=40&md5=67045d3297942dbdb60b172c4168c646 id_number: 10.1109/ICOS.2011.6079310 full_text_status: none publication: 2011 IEEE Conference on Open Systems, ICOS 2011 place_of_pub: Langkawi pagerange: 306-309 refereed: TRUE isbn: 9781612849317 citation: Mokhlif, N.D. and Al-Kayiem, H.H. and Baharom, M.B. (2011) Numerical model to simulate wax crystallization in: Scraped surface heat exchangers. In: UNSPECIFIED.