Steady-State Investigation of Carbon-Based Adsorbent–Adsorbate Pairs for Heat Transformation Application

Shabir, Faizan; Sultan, Muhammad; Niaz, Yasir; Usman, Muhammad; Ibrahim, Sobhy M.; Feng, Yongqiang; Naik, B. Kiran; Nasir, Abdul; Ali, Imran

doi:10.3390/su12177040

Cited by 12 publications

(14 citation statements)

References 58 publications

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“…These directives concern, for example, the reduction of greenhouse gas emissions, supporting the development of renewable energy and low-carbon technologies, as well as the Emissions Trading System [1]. Similar efforts are also carried out at the global level, as exemplified by the Paris Agreement adopted at the Paris Climate Energies 2020, 13, 5827; doi:10.3390/en13215827 www.mdpi.com/journal/energies Energies 2020, 13, 5827 2 of 13 Conference (COP21) in December 2015 [2], and the 24th Conference of the Parties to the United Nations Framework Convention on Climate Change (COP24) at Katowice in 2018 [3]. The main aims of the agreements made during the conferences mentioned above are reducing energy and natural resources consumption and minimizing the level of pollution emitted to the environment.…”

Section: Introductionmentioning

confidence: 99%

“…As a result, many methods of increasing the COP have been investigated. For example, Shabir et al [13] investigated the COP of the adsorption chiller with different adsorbent/refrigerant pairs. It was found that among the investigated pairs (KOH6-PR/ethanol, WPT-AC/ethanol, Maxsorb-III/methanol, Maxsorb-III/CO 2 , Maxsorb-III/n-butane, Maxsorb-III/R-134a, SAC-2/R32, and Maxsorb-III/R507a), the Maxsorb-III/methanol pair showed the highest COP.…”

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confidence: 99%

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Experimental Study of Three-Bed Adsorption Chiller with Desalination Function

et al. 2020

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Energy efficiency is one of the most important topics nowadays. It is strictly related to energy demand, energy policy, environmental pollution, and economic issues. Energy efficiency can be increased and operating costs reduced by using waste heat from other processes. One of the possibilities is to use sorption chillers to produce chilled water and desalinated water. Low-temperature waste heat is not easy to utilize because of the low energy potential. Using adsorption chillers in low-temperature conditions allows utilizing waste heat and producing useful products in many regions of the world. The paper presents the results of an experimental study carried out on a three-bed adsorption chiller with desalination function, using silica gel and water as a working pair. The laboratory test stand included one evaporator, one condenser, and three separate tanks for water, desalinated water, and brine, respectively. The test stands scheme and description were presented. All results were obtained during several test hours with stable temperature conditions in the range of 57–85 °C for the heating water. It is found that the Coefficient of Performance (COP) increased from 0.20 to 0.58 when the heating water temperature increased from 57 to 85 °C. A similar finding is reported for Specific Cooling Power (SCP), which increased from 27 to 160 W/kg as the heating water temperature increased from 57 to 85 °C. It can be concluded that the heating water temperature strongly impacts the performance of the adsorption chiller.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Experimental Study of Three-Bed Adsorption Chiller with Desalination Function

et al. 2020

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“…For example, desiccant air-conditioning (AC) involves adsorbate and water for the dehumidification process of process air [21,22]. The central systems included are desiccant [23][24][25], adsorption [26][27][28], and absorption technologies [29][30][31][32].…”

Section: Figmentioning

confidence: 99%

A review of recent advances in adsorption desalination technologies

Riaz

Sultan

Miyazaki

et al. 2021

International Communications in Heat and Mass Transfer

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“…Adsorption based AWH is a vital technology that can provide cost-effective water in arid areas. The vapor concentration in this technology can be achieved through desiccant materials which ad/absorb and desorb the water vapors from the air [45]. In this context, efficient desiccant materials are a key research priority and various materials have been developed.…”

Section: Progress and Perspectives In Adsorption Based Awhmentioning

confidence: 99%

Adsorption-Based Atmospheric Water Harvesting: Technology Fundamentals and Energy-Efficient Adsorbents

Sultan¹,

Bilal²,

Miyazaki³

et al. 2021

Technology in Agriculture

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Nowadays, atmospheric water harvesting (AWH) became very essential to provide fresh potable water. This technique is in practice since 1900 (US661944A) by Edger S. Belden. Atmospheric water is a source of freshwater with 13000 trillion liters availability of water at any time and can be utilized in overcoming water shortage, especially in arid and rural areas. It holds up the water molecules in the form of vapors and accounts for adding 10% of all freshwater present on the earth. Mainly, the two most common methods have been used for the extraction of atmospheric water. First, the ambient air is cooled below the dew point temperature, and second in which the moisture in atmospheric air is adsorbed/absorbed using desiccant materials. Conventional vapor compression, thermoelectric cooling, dew, and fog water harvesting based systems/technologies possess some limits in terms of energy requirements, less efficiency, and high cost. However, the adsorption based AWH technology is relatively cheaper, environment friendly, and can be operated by a low-grade thermal energy source. The limited availability of commercial instruments to harvest atmospheric water using adsorbents indicates a lack of fundamental studies. The fundamental research on water adsorption, adsorption kinetics, regeneration conditions, and water collecting surface designs has not gained as much interest as required in the field of atmospheric water harvesting. In this regard, this book chapter discusses and presents the progress in the field of adsorbent materials and system designs along with the future directions to accelerate the commercialization of this technology.

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Steady-State Investigation of Carbon-Based Adsorbent–Adsorbate Pairs for Heat Transformation Application

Cited by 12 publications

References 58 publications

Experimental Study of Three-Bed Adsorption Chiller with Desalination Function

Experimental Study of Three-Bed Adsorption Chiller with Desalination Function

A review of recent advances in adsorption desalination technologies

Adsorption-Based Atmospheric Water Harvesting: Technology Fundamentals and Energy-Efficient Adsorbents

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