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    Model Based Simulation and Genetic Algorithm Based Optimisation of Spiral Wound Membrane RO Process for Improved Dimethylphenol Rejection from Wastewater.

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    al-obaidi_et_al_2021 (684.8Kb)
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    Publication date
    2021-08-04
    Author
    Al-Obaidi, Mudhar A.A.R.
    Ruiz-Garcia, A.
    Hassan, G.
    Li, Jian-Ping
    Kara-Zaitri, Chakib
    Nues, I.
    Mujtaba, Iqbal M.
    Keyword
    Wastewater treatment
    Spiral wound reverse osmosis
    Modelling
    Species conserving genetic algorithm optimisation
    Dimethylphenol removal
    Energy consumption
    Rights
    (c) 2021 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0/)
    Peer-Reviewed
    Yes
    Open Access status
    openAccess
    
    Metadata
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    Abstract
    Reverse Osmosis (RO) has already proved its worth as an efficient treatment method in chemical and environmental engineering applications. Various successful RO attempts for the rejection of organic and highly toxic pollutants from wastewater can be found in the literature over the last decade. Dimethylphenol is classified as a high-toxic organic compound found ubiquitously in wastewater. It poses a real threat to humans and the environment even at low concentration. In this paper, a model based framework was developed for the simulation and optimisation of RO process for the removal of dimethylphenol from wastewater. We incorporated our earlier developed and validated process model into the Species Conserving Genetic Algorithm (SCGA) based optimisation framework to optimise the design and operational parameters of the process. To provide a deeper insight of the process to the readers, the influences of membrane design parameters on dimethylphenol rejection, water recovery rate and the level of specific energy consumption of the process for two different sets of operating conditions are presented first which were achieved via simulation. The membrane parameters taken into consideration include membrane length, width and feed channel height. Finally, a multi-objective function is presented to optimise the membrane design parameters, dimethylphenol rejection and required energy consumption. Simulation results affirmed insignificant and significant impacts of membrane length and width on dimethylphenol rejection and specific energy consumption, respectively. However, these performance indicators are negatively influenced due to increasing the feed channel height. On the other hand, optimisation results generated an optimum removal of dimethylphenol at reduced specific energy consumption for a wide sets of inlet conditions. More importantly, the dimethylphenol rejection increased by around 2.51% to 98.72% compared to ordinary RO module measurements with a saving of around 20.6% of specific energy consumption.
    URI
    http://hdl.handle.net/10454/18889
    Version
    Published version
    Citation
    Al-Obaidi MA, Ruiz-Garcia A, Hassan G et al (2021) Model Based Simulation and Genetic Algorithm Based Optimisation of Spiral Wound Membrane RO Process for Improved Dimethylphenol Rejection from Wastewater. Membranes. 11(8): 595.
    Link to publisher’s version
    https://doi.org/10.3390/membranes11080595
    Type
    Article
    Collections
    Engineering and Informatics Publications

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