An evaluation of the energy requirements of desalination processes on the basis of the fuel-use performance ratio

Kamal, I.; Tusel, G.F.

doi:10.1016/s0011-9164(00)88696-8

Cited by 5 publications

(1 citation statement)

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“…The average thermal efficiency of gas turbine power generation plants is low and the majority of input energy is rejected through the exhaust gas. A number of investigations [1,2,3,4,5] indicate that the use of high temperature exhaust gas to supply the required energy for different desalination plants significantly reduces the cost of fresh water. For example, Foster and Pegg [5] reported that the use of gas turbine ·waste heat in water desalination reduces total water production cost to approximately 30% of that for a single purpose water plant.…”

Section: Introductionmentioning

confidence: 99%

Humidification-dehumidification desalination process using waste heat from a gas turbine

El-Dessouky

1989

Desalination

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This paper presents a humidification-dehumidification desalination process using waste heat from a gas turbine power plant. In this process, the air is used as the operating fluid instead of water. The process has many advantages over many desalination processes which use waste heat from gas turbines.The amount of fresh water produced and the mass of air-gas mixture leaving the desalination plant were found to decrease with decreasing gas turbine load and with increasing mixing temperature. The air-gas mixture can be safely used in space air conditioning. The specific power consumption of the proposed process was found to be less than that of either single or dual Multi-Stage Flash (MSF) plants. It is greater however, than that of all types of Reverse Osmosis (RO) plants. The specific capital investment of the process is found to be less than that for any other desalination process considered. The ratio of water production to power generation in the present process is nevertheless very small.

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Section: Introductionmentioning

confidence: 99%