Research Abstracts

In this paper an insight of two different methods for the production of fresh water is given within the framework of the FP6 project “AQUASOLIS” aimed at exploring the use of solar concentrating plants in Mediterranean countries for the supply of renewable water. The method presented in this paper i

Solar-powered desalination is an attractive and viable method for the production of fresh water in remote arid areas. One of the most important factors determining desalination decisions is economics. This paper presents an economic assessment performed to estimate the expected water cost, which is

The potential of desalination as a viable alternate water source for Jordan using a multiple effect distiller (MED), evolved to operate using solar energy under Jordanian conditions is discussed. A computer code in C++ was generated in order to simulate the MED process, and to predict the water prod

This paper presents a hybrid solar desalination process of the multi-effect humidification dehumidification and the basin-type unit. The sketch of the hybrid solar desalination process is given. The solar vacuated tube collector is employed in the desalination system, multi-effect humidification deh

Desalination with humidification and dehumidification process is deemed as an efficient and promising means of utilizing the condenser and evaporator of heat pump to produce freshwater from seawater. This paper presents a new type desalination unit driven by mechanical vapor compression pump which w

This paper presents a performance optimization of solar multi-stage flash (MSF) desalination process using Pinch technology. Three different situations were studied by using pinch analysis in this paper, respectively. Firstly, the distilled water is not discharged in each middle stage. Secondly, the

A proposal for rational energy saving using wasted heat is showed in the present paper. Thermodynamicmathematical model is presented like an effort for water purification from waste heat. This paper describes computing results of heat transformer operation for water purification using low grade wast

This paper describes a new water distillation method and apparatus. It is a low-cost system operating at low temperature and sub-atmospheric pressure that can produce water at different scales, for large cities or remote rural communities, thus suitable for the First World or the Third. The system m

Brine blowdown represents an essential service for thermal desalination (both MSF and MED) and its operation is linked to the overall process reliability and availability. Even if the brine blowdown pump represents a relatively minor utility in MSF plants, this utility is often the object of a servi

All seawater desalting processes, multi-stage flash (MSF), multi-effect boiling (MEB), mechanical vapor compression (MVC) and seawater reverse osmosis (SWRO) consume significant amounts of energy. The recent increase of fuel oil cost raises the cost of energy consumed for desalting water and the fin