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Numerical Investigation of Waste-Heat Driven Adsorption Desalination Cycle

Muhamad Fadzir Bin Ab Razak, Muhamad Fadzir (2012) Numerical Investigation of Waste-Heat Driven Adsorption Desalination Cycle. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Adsorption cycle is a practical and inexpensive method of desalinating the saline and brackish water to produce potable water for both industrial and residential applications. In recent years, many researcher has developed and experimented on the use of cost effective and environmental friendly adsorption cycle for desalination that require only low temperature waste heat to operate. Such waste heat is available in abundance from the exhaust of industrial processes, micro turbines of co-generation plants and renewable sources. Being waste heat driven, useful effects are generated by the adsorption desalination (AD) cycle with no additional burning of fuel and thus, mitigating the effects of global warming. Fundamental studies of adsorption, adsorption isotherm, kinetics and adsorbent used in the process of adsorption desalination were very importance to evaluate the cycle. With the implementation of adsorption-desorption phenomena, the cycle simultaneously produces high-grade potable water from a single heat input. In this proposal, it proposed the adsorption desalination (AD) system of two-bed operation mode that employs a low-temperature waste energy for numerically studies. The cycle will be calculated based on the utilization of waste heat sources in terms of mathematical modeling of a two-bed adsorption cycle based on adsorption isotherm, kinetics, mass and energy balances between the sorption elements, the evaporator and condenser. Then, the cycle will be monitored using key performance parameter namely (i) specific daily water production (SWDP), (ii) cycle time, and (iii) performance ratio (PR) for various heat sources temperature, mass flow rates, cycles times along with a fixed heat sink temperature. The numerical results of the adsorption cycle are validated using experimental data from the past researched

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Polymers - Reology
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 04 Feb 2013 09:36
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/5531

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