A multipurpose desalination, cooling, and air-conditioning system powered by waste heat recovery from diesel exhaust fumes and cooling water

Shafieian, Abdellah; Khiadani, Mehdi

doi:10.1016/j.csite.2020.100702

Cited by 33 publications

(14 citation statements)

References 36 publications

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“…(The cell is left blank intentionally because these columns are not applicable for reference [43]) The work does not quantitively present a case study of energetic and economic benefits of a waste heat recovery unit in desalination, as outlined in this work. [44] The authors presented multipurpose desalination, cooling, and air conditioning system powered by waste heat recovery from diesel exhaust fumes and cooling water.…”

Section: China -mentioning

confidence: 99%

“…The configuration, the mode of waste heat recovery, and the analysis in the proposed configuration are different than reference [44]. Table 1.…”

mentioning

confidence: 96%

“…Total Annual cost = First Annual Cost + Annual Maintenance Cost + Annual Running Cost − Annual Salvage Value (44) With this methodology, the production cost of desalinated water is 17.16 PKR/litre (0.15 USD/litre) without waste heat recovery and it is 14.85 PKR/litre (0.13 USD/litre) with waste heat recovery. Therefore, the production cost of the water is decreased by~13% by recovering the waste heat from the condensing coil.…”

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confidence: 99%

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Mathematical Approach to Improve the Thermoeconomics of a Humidification Dehumidification Solar Desalination System

et al. 2020

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Water desalination presents a need to address the growing water-energy nexus. In this work, a literature survey is carried out, along an application of a mathematical model is presented to enhance the freshwater productivity rate of a solar-assisted humidification-dehumidification (HDH) type of desalination system. The prime novelty of this work is to recover the waste heat by reusing the feedwater at the exit of the condenser in the brackish water storage tank and to carry out the analysis of its effectiveness in terms of the system’s yearly thermoeconomics. The developed mathematical model for each of the components of the plant is solved through an iterative procedure. In a parametric study, the influence of mass flow rates (MFRs) of inlet air, saline water, feedwater, and air temperature on the freshwater productivity is shown with and without the waste heat recovery from the condensing coil. It is reported that the production rate of water is increased to a maximum of 15% by recovering the waste heat. Furthermore, yearly analysis has shown that the production rate of water is increased to a maximum of 16% for June in the location of Taxila, Pakistan. An analysis is also carried out on the economics of the proposed modification, which shows that the cost per litre of the desalinated water is reduced by ~13%. It is concluded that the water productivity of an HDH solar desalination plant can be significantly increased by recovering the waste heat from the condensing coil.

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Section: China -mentioning

confidence: 99%

“…The configuration, the mode of waste heat recovery, and the analysis in the proposed configuration are different than reference [44]. Table 1.…”

mentioning

confidence: 96%

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confidence: 99%

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Mathematical Approach to Improve the Thermoeconomics of a Humidification Dehumidification Solar Desalination System

et al. 2020

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“…Therefore, scientists have thought of a portable strategy to utilize the waste heat energy of ICE for water desalination via a thermal distillation system. [14][15][16] Zhang et al 13 introduced a medium-size lowtemperature multieffect desalination unit and developed a thermodynamic model for analysis. The desalination unit was powered by a coolant of a diesel engine generator and a tube heat exchanger was used.…”

Section: Introductionmentioning

confidence: 99%

Energy and exergy analysis of the thermal distillation system using diesel engine waste thermal energy and radial finned tube evaporator

Kumar

Prakash

2022

Heat Trans

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The performance of the waste heat-driven distillation system was investigated. The waste heat energy in the exhaust gas of the 7-hp diesel engine generator was utilized for distillation purposes. The thermal distillation system is comprised of a submerged copper tube evaporator and water-cooled U-tube condenser. Four copper tube evaporators were used, including one plain evaporator and three radial finned evaporators with pitch 30, 60, and 90 mm. The efficiency of the thermal distillation system was determined by varying engine load and evaporator type. The net recovered energy and exergy, overall first and second law efficiency, and distillate yield rate was determined relative to the applied load and evaporator type. The results revealed that the net recovered energy and exergy improved by 6.04%-23.22% and factor 1.07-1.23, respectively, at 75% engine load for radial finned evaporator with a pitch of 30 mm relative to plane tube evaporator. The distillate yield was also improved by 23.75% at the highest applied load 75% and the lowest radial fin pitch compared with the plane tube.

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“…Chintala et al [37] applied waste heat recovery from exhaust fumes, cooling water, and intake air. Shafieian and Khiadani [38] analyzed the waste heat recovered from both exhaust fumes and cooling water of a marine engine for desalination.…”

Section: Introductionmentioning

confidence: 99%

Dual and Ternary Biofuel Blends for Desalination Process: Emissions and Heat Recovered Assessment

Elfasakhany

2020

Energies

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Desalination using fossil fuels is so far the most common technique for freshwater production worldwide. However, such a technique faces some challenges due to limited fossil fuels, high pollutants in our globe, and its high energy demand. In this study, solutions for such challenges were proposed and investigated. Renewable biofuel blends were introduced and examined as energy/sources for desalination plants and, in turn, reduced dependency on fossil fuels, enhanced pollutants, and recovered energy for desalinations. Eight different blended biofuels in terms of dual and ternary blend approaches were investigated. Results displayed that dual and ternary blends of gasoline/n-butanol, gasoline/isobutanol, gasoline/n-butanol/isobutanol, gasoline/bioethanol/isobutanol, and gasoline/bioethanol/biomethanol were all not highly recommended as energy sources for desalination units due to their low heat recovery (they showed much lower than the gasoline, G, fuel); however, they could provide reasonable emissions. Both gasoline/bioethanol (E) and gasoline/biomethanol (M) provided high heat recovery and sensible emissions (CO and UHC). Gasoline/bio-acetone was the best one among all blends and, accordingly, it was upper recommended for both heat recovery and emissions for desalination plants. In addition, both E and M were recommended subsequently. Concerning emissions, all blends showed lower emissions than the G fuel in different levels.

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A multipurpose desalination, cooling, and air-conditioning system powered by waste heat recovery from diesel exhaust fumes and cooling water

Cited by 33 publications

References 36 publications

Mathematical Approach to Improve the Thermoeconomics of a Humidification Dehumidification Solar Desalination System

Mathematical Approach to Improve the Thermoeconomics of a Humidification Dehumidification Solar Desalination System

Energy and exergy analysis of the thermal distillation system using diesel engine waste thermal energy and radial finned tube evaporator

Dual and Ternary Biofuel Blends for Desalination Process: Emissions and Heat Recovered Assessment

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