Adsorption Desalination Quenches Global Thirst

Ng, Kim Choon; Saha, Bidyut Baran; Chakraborty, Anutosh; Koyama, Shigeru

doi:10.1080/01457630802125310

Cited by 43 publications

(17 citation statements)

References 20 publications

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“…An alternative to the common cooling systems is adsorption technology which can be operated using waste heat or renewable energy sources (such as solar and geothermal energy) and uses environmentally friendly refrigerants such as water [6]. Adsorption desalination can also offer an innovative solution to another global crisis which is water scarcity [7] as by 2025, 1.8 billion human being will be living in absolute water scarcity regions [8][9][10].…”

mentioning

confidence: 99%

MIL-101(Cr)/calcium chloride composites for enhanced adsorption cooling and water desalination

Elsayed

Anderson

Al-Dadah

et al. 2019

Journal of Solid State Chemistry

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The adsorption capacity of adsorbent materials at low relative pressure range is a crucial parameter that guarantee the high overall performance and efficiency of adsorption cooling and water desalination systems. MIL-101(Cr) is a metal-organic framework (MOF) material with a high-water vapour uptake of 1.36-1.47 g 2 H O g ads-1. However, MIL-101(Cr) exhibits an IV isotherm (S-shaped isotherm) which means that the high-water uptake only takes place at high relative pressure (≥ 0.5). This drawback makes MIL-101(Cr) impractical for adsorption applications working at lower relative pressure such as adsorption cooling and desalination with cooling effect which operate at relative pressures ≤0.4. In this work, MIL-101(Cr)/CaCl 2 composites were synthesized, the unsupported and CaCl 2 supported materials were fully characterized in terms of their structure (XRD), thermal stability, vibrational spectroscopy structure, morphology (SEM), water adsorption capacity and BET surface area. As a result, incorporating CaCl 2 into the MIL-101(Cr) structure significantly enhanced water adsorption characteristics in the desired relative pressure range as the water vapour uptake for Comp_1:8 CaCl 2 composite increasing from only 0.1 g 2 H O g ads-1 for as-synthesized MIL-101(Cr) to 0.65 g 2 H O g ads-1 at a relative pressure of 0.3.

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mentioning

confidence: 99%

MIL-101(Cr)/calcium chloride composites for enhanced adsorption cooling and water desalination

Elsayed

Anderson

Al-Dadah

et al. 2019

Journal of Solid State Chemistry

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“…The desorbed vapor is condensed in the condenser by circulating the chilled water from evaporator. It can be noticed that electricity in published literature [89][90][91][92][93][94][95][96][97][98][99][100][101][102][103][104][105]. The adsorbent selection depends on application temperature.…”

Section: The Basic Adsorbent Cyclementioning

confidence: 99%

Renewable Energy-Driven Desalination Hybrids for Sustainability

Shahzad¹,

Ybyraiymkul

MuhammadBurhan

et al. 2018

Desalination and Water Treatment

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The expansion trend of current desalination processes is expected to boost brine rejection to 240 km 3 and CO 2 emission to 400 million tons per year by 2050. This high brine rejection and CO 2 emission rates are copping COP21 goal, maintaining temperature rise below 2°C. An innovative and energy-efficient process/material is required to achieve Paris Agreement targets. Highly efficient adsorbent cycle integration is proposed with well-proven conventional desalination processes to improve energy efficiency and to reduce environmental and marine pollution. The adsorbent cycle is operated with solar or low-grade industrial waste heat, available in abundance in water stress regions. The proposed integration with membrane processes will save 99% energy and over 150% chemical rejection to sea. In case of thermally driven cycles, the proposed hybridization will improve energy efficiency to 39% and will reduce over 80% chemical rejection. This can be one solution to achieve Paris Agreement (COP21) targets for climate control that can be implemented in near future.

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“…In the past few years, adsorption desalination technology has shown potential as a possible alternative for other desalination technologies [1,2]. This technology can utilize low temperature waste heat to produce two useful effects; desalination and cooling.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of combined adsorption desalination and cooling cycles with integrated evaporator/condenser

2016

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Adsorption Desalination Quenches Global Thirst

Cited by 43 publications

References 20 publications

MIL-101(Cr)/calcium chloride composites for enhanced adsorption cooling and water desalination

MIL-101(Cr)/calcium chloride composites for enhanced adsorption cooling and water desalination

Renewable Energy-Driven Desalination Hybrids for Sustainability

Numerical simulation of combined adsorption desalination and cooling cycles with integrated evaporator/condenser

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