Small Scale Performance Evaluation Of A Multi-Effect Humidification-Dehumidification System In Makurdi

Edeoja, A.O and Aliyu, S.J and Ameh, J.A (2015) Small Scale Performance Evaluation Of A Multi-Effect Humidification-Dehumidification System In Makurdi. Small Scale Performance Evaluation Of A Multi-Effect Humidification-Dehumidification System In Makurdi, 4 (7). pp. 41-51. ISSN 2320 - 0847

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Abstract

A multi-effect humidification (MEH) -dehumidification solar desalination system utilizing a solar collector was designed and evaluated. A blackened aluminium storage tank was used for the feed water and was positioned so that water enters the collector by gravity for the passive test and through the pump for the active case with slight preheating. The heated water exits the collector into the desalination chamber made up of a humidifier and a dehumidifier. The ambient, collector inlet and outlet water, evaporator and condenser temperatures were measured hourly as well as the volume of water produced 10.00 to 16.00 hours. The collector was able to achieve a mean elevation above the inlet condition of about 20.80C and 290C respectively for the active and passive cases. The mean collector, water production and the overall efficiencies were computed as 0.51, 0.50 and 0.256 respectively for the active case while the corresponding values for the passive case were 0.69, 0.55 and 0.37. The respective mean daily yields of the active and passive options were 0.298 cm3 and 2.39 cm3 per unit volume of evaporator, 0.098 cm3 and 0.785 cm3 per unit volume of condenser or 0.0035 cm3 and 0.028 cm3 per cm2 of collector aperture. A good potential for the system to contribute significantly to the production of safe drinking water in relatively larger quantities especially with passive option exists

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Depositing User: SAMUEL ALIYU
Date Deposited: 24 Jun 2021 12:48
Last Modified: 24 Jun 2021 12:48
URI: https://eprints.lmu.edu.ng/id/eprint/2943

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