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Modelling and Simulation of Dissolution/Reprecipitation Technique for Low-Density Polyethene Using Solvent/Non-Solvent System

Zein, Sharif H.; Hussain, Ali A.; Yansaneh, Osman Y.; Jalil, A. A.

Authors

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Dr Sharif Zein S.H.Zein@hull.ac.uk
Senior Fellow HEA| Reader in Biorefinery Processes and Reaction Engineering| PI of Bioref Group

Ali A. Hussain

Osman Y. Yansaneh

A. A. Jalil



Abstract

The global production and consumption of plastics have continued to increase. Plastics degrade slowly, causing persistent environmental pollution Developed waste plastic recycling methods are discussed in this report, with a focus on the dissolution/reprecipitation technique to restore low-density polyethene (LDPE) wastes. Aspen HYSYS is used to simulate the recycling of waste LDPE. Turpentine/petroleum ether (TURP/PetE) is chosen as solvent/non-solvent with fractions proved efficient through laboratory experiments. PetE is selected to be the non-solvent used for the precipitation of pure LDPE. The feedstock is assumed to be LDPE products containing additives such as dye. The simulation model developed estimated a pure LDPE precipitate recovery with a composition of 99% LDPE with a flowrate of 1024 tonnes per year. In addition, Aspen HYSYS could approximate a rough cost estimate that includes utility cost, installation cost and other factors. Technical challenges were eliminated, and several assumptions were taken into consideration to be able to simulate the process.

Citation

Zein, S. H., Hussain, A. A., Yansaneh, O. Y., & Jalil, A. A. (2022). Modelling and Simulation of Dissolution/Reprecipitation Technique for Low-Density Polyethene Using Solvent/Non-Solvent System. Processes, 10(11), Article 2387. https://doi.org/10.3390/pr10112387

Journal Article Type Article
Acceptance Date Oct 15, 2022
Online Publication Date Nov 14, 2022
Publication Date 2022-11
Deposit Date Nov 14, 2022
Publicly Available Date Mar 28, 2024
Journal Processes
Electronic ISSN 2227-9717
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 10
Issue 11
Article Number 2387
DOI https://doi.org/10.3390/pr10112387
Keywords Biodiesel: LDPE waste; Pollution; Aspen HYSYS; Pure LDPE; Cost analysis
Public URL https://hull-repository.worktribe.com/output/4125258

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0

Copyright Statement
Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://cre‐ ativecommons.org/licenses/by/4.0/)




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