Water desalination by silica supported ionic liquid: Adsorption kinetics and system modeling

Ahmed A. Askalany; Kutub Uddin; Bidyut B. Saha; Muhammad Sultan; Giulio Santori

doi:10.1016/j.energy.2021.122069

Water desalination by silica supported ionic liquid: Adsorption kinetics and system modeling

Ahmed A. Askalany, Kutub Uddin, Bidyut B. Saha, Muhammad Sultan, Giulio Santori

Multiscale Science and Engineering for Energy and the Environment Thrust

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Significant efforts have been done in order to improve adsorption desalination systems by developing advanced adsorbents. Silica-supported ionic liquid (SIL) has been recently proposed as a promising adsorption material for water desalination due to its relatively high adsorption capacity around 1 kg_water.kg_SIL⁻¹. Such achieved performance can be considered as an initial cornerstone that requires further important additional data before reaching a successful practical application. In this paper, experimental measurements of water adsorption kinetics in the SIL named EMIM-AC/Syloid 72FP are presented. The kinetics is interpreted using a linear driving force (LDF) model that shows good harmony with experimental data. Depending on a former study on adsorption isotherms and the current kinetics data, the performance of an adsorption water desalination system (ADS) is predicted using a dynamic lumped parameter model. The results show a bright future for this SIL material in water desalination application with high theoretical pure water production achieving 47 m³ day⁻¹ton⁻¹, 0.85 coefficient of performance with 600 W kg_SIL⁻¹ specific cooling power. Furthermore, system working with the EMIM-AC/Syloid 72FP can theoretically be powered by as low as 40 °C heat source.

Original language	English
Article number	122069
Journal	Energy
Volume	239
DOIs	https://doi.org/10.1016/j.energy.2021.122069
Publication status	Published - Jan 15 2022

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Building and Construction
Modelling and Simulation
Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Pollution
Energy(all)
Mechanical Engineering
Industrial and Manufacturing Engineering
Management, Monitoring, Policy and Law
Electrical and Electronic Engineering

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10.1016/j.energy.2021.122069

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title = "Water desalination by silica supported ionic liquid: Adsorption kinetics and system modeling",

abstract = "Significant efforts have been done in order to improve adsorption desalination systems by developing advanced adsorbents. Silica-supported ionic liquid (SIL) has been recently proposed as a promising adsorption material for water desalination due to its relatively high adsorption capacity around 1 kgwater.kgSIL−1. Such achieved performance can be considered as an initial cornerstone that requires further important additional data before reaching a successful practical application. In this paper, experimental measurements of water adsorption kinetics in the SIL named EMIM-AC/Syloid 72FP are presented. The kinetics is interpreted using a linear driving force (LDF) model that shows good harmony with experimental data. Depending on a former study on adsorption isotherms and the current kinetics data, the performance of an adsorption water desalination system (ADS) is predicted using a dynamic lumped parameter model. The results show a bright future for this SIL material in water desalination application with high theoretical pure water production achieving 47 m3 day−1ton−1, 0.85 coefficient of performance with 600 W kgSIL−1 specific cooling power. Furthermore, system working with the EMIM-AC/Syloid 72FP can theoretically be powered by as low as 40 °C heat source.",

author = "Askalany, {Ahmed A.} and Kutub Uddin and Saha, {Bidyut B.} and Muhammad Sultan and Giulio Santori",

note = "Funding Information: The research leading to these results has received funding from the EPSRC “Micro-scale energy storage for super-efficient wet appliances” project EP/P010954/1 . Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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AU - Askalany, Ahmed A.

AU - Uddin, Kutub

AU - Saha, Bidyut B.

AU - Sultan, Muhammad

AU - Santori, Giulio

N1 - Funding Information: The research leading to these results has received funding from the EPSRC “Micro-scale energy storage for super-efficient wet appliances” project EP/P010954/1 . Publisher Copyright: © 2021 Elsevier Ltd

PY - 2022/1/15

Y1 - 2022/1/15

N2 - Significant efforts have been done in order to improve adsorption desalination systems by developing advanced adsorbents. Silica-supported ionic liquid (SIL) has been recently proposed as a promising adsorption material for water desalination due to its relatively high adsorption capacity around 1 kgwater.kgSIL−1. Such achieved performance can be considered as an initial cornerstone that requires further important additional data before reaching a successful practical application. In this paper, experimental measurements of water adsorption kinetics in the SIL named EMIM-AC/Syloid 72FP are presented. The kinetics is interpreted using a linear driving force (LDF) model that shows good harmony with experimental data. Depending on a former study on adsorption isotherms and the current kinetics data, the performance of an adsorption water desalination system (ADS) is predicted using a dynamic lumped parameter model. The results show a bright future for this SIL material in water desalination application with high theoretical pure water production achieving 47 m3 day−1ton−1, 0.85 coefficient of performance with 600 W kgSIL−1 specific cooling power. Furthermore, system working with the EMIM-AC/Syloid 72FP can theoretically be powered by as low as 40 °C heat source.

AB - Significant efforts have been done in order to improve adsorption desalination systems by developing advanced adsorbents. Silica-supported ionic liquid (SIL) has been recently proposed as a promising adsorption material for water desalination due to its relatively high adsorption capacity around 1 kgwater.kgSIL−1. Such achieved performance can be considered as an initial cornerstone that requires further important additional data before reaching a successful practical application. In this paper, experimental measurements of water adsorption kinetics in the SIL named EMIM-AC/Syloid 72FP are presented. The kinetics is interpreted using a linear driving force (LDF) model that shows good harmony with experimental data. Depending on a former study on adsorption isotherms and the current kinetics data, the performance of an adsorption water desalination system (ADS) is predicted using a dynamic lumped parameter model. The results show a bright future for this SIL material in water desalination application with high theoretical pure water production achieving 47 m3 day−1ton−1, 0.85 coefficient of performance with 600 W kgSIL−1 specific cooling power. Furthermore, system working with the EMIM-AC/Syloid 72FP can theoretically be powered by as low as 40 °C heat source.

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Water desalination by silica supported ionic liquid: Adsorption kinetics and system modeling

Abstract

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