Effect of design parameters on multi-effect desalinationsystem specifications

Ameri, Mohammad; Mohammadi, Saeed Seif; Hosseini, Mohammad Javad; Seifi, Maryam

doi:10.1016/j.desal.2008.07.012

Cited by 63 publications

(26 citation statements)

References 11 publications

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“…Among different types of MED system, the most attractive MED configuration has been horizontal tubes falling-film evaporation (HT-FF-MED) with TVC [29]. The HT-FF-MED with TVC has become an attractive choice for Middle East region because of such factors as ease of operation with any heat source available, low scale formation, and high performance ratio (PR) [30].…”

Section: Med-tvc Plants: State Of Artmentioning

confidence: 99%

“…Currently waste heat energy, taken from thermal or gas turbine power plants, based on many MED systems is in operation in the Middle East region. For example, Iran's Kish Island heat recovery steam generator (HRSG) provides heating steam supply to MED-TVC systems of 2,000 m 3 /d [29]. SIDEM/ENTROPIE is the world-leading company in low temperature desalination processes using seawater.…”

Section: Med-tvc Plants: State Of Artmentioning

confidence: 99%

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Current status and future directions of MED-TVC desalination technology

Al-Mutaz

Wazeer

2014

Desalination and Water Treatment

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Desalination has now become one of the major water treatment processes in several countries around the world where shortage of water is a serious problem. Energy consumption is a vital economic factor in selecting the type of desalination processes because current desalination processes require large amount of energy which is costly. Multi-effect desalination system with thermal vapor compression (MED-TVC) is particularly more attractive than other thermal desalination systems due to its low energy consumption. MED-TVC is characterized by high performance ratio, easier operation, low maintenance requirements and simple geometry. These attractive features make MED-TVC highly competitive to other well-established desalination techniques that include the reverse osmosis and multi-stage flash desalination. The primary goal of this paper is to present a preview of some aspects related with the theory of the technology, parametric study of the MED-TVC systems and its development. It will analyze the current and future aspects of the MED-TVC technology in view of latest installed plants.

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Section: Med-tvc Plants: State Of Artmentioning

confidence: 99%

Section: Med-tvc Plants: State Of Artmentioning

confidence: 99%

Current status and future directions of MED-TVC desalination technology

Al-Mutaz

Wazeer

2014

Desalination and Water Treatment

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“…The scaling and fouling problems mainly affect the operation and performance of the plant hitherto the use of chemicals such as antiscalant and nano-filtration can moderate the performance degradation [18][19][20]. With such remedies and cheap energy, thermal desalination technologies such as MSF and MED systems have enjoyed huge success in addition to reliability, simplicity in operation and robustness to the feed water quality variation [7,[21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Performance investigation of an advanced multi-effect adsorption desalination (MEAD) cycle

et al. 2015

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“…They developed several models for different systems and confi gurations of thermal desalination plant. Alasfour [11][12][13][14][15][16][17][18][19][20][21]. In all of these researches, energy or exergy analysis or heat and mass transfer simulation of thermal system without economic consideration are presented.…”

Section: Introductionmentioning

confidence: 99%

A new approach for process optimization of a METVC desalination system

Shakib

Amidpour

Aghanajafi

2012

Desalination and Water Treatment

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A B S T R AC TMaking potable water through desalination plants is a very important process in areas where clean water is highly required. One of the most common and acceptable desalination processes is multiple effect evaporation desalination (MED) process. The main objective of this paper is optimization of MED desalination with thermal vapor compression (METVC) from economical and thermodynamic point of view. Hence, fi rst, a comprehensive thermodynamic model for METVC is developed and then the effect of operating parameters on thermal performance of the system is analyzed. Since the values of operating parameters have a great effect on both thermal performance and cost of the plant, the optimization of these parameters is very important. In this regard, some researchers have focused on improving the economical or thermodynamic aspect of the system. However, in practice it is reasonable to optimize both these criteria simultaneously. Based on this, in order to optimize the process of METVC and show infl uence of objective function on optimization results, four objective functions are chosen as four cases for optimization. These cases include 1) minimizing specifi c heat transfer area, 2) maximizing exergy effi ciency, 3) maximizing performance ratio (PR) and 4) minimizing specifi c heat transfer area and maximizing PR. In fact, cases 1 to 3 are single objective problem while case 4 is a multi objective problem. All of the optimization problems are solved by a heuristic optimization problem, namely, Genetic Algorithm (GA). From optimization study, it can be seen that the results of multi objective problem are perfect and more reasonable than other cases. In other words, the results of cases 1 to 3 demonstrate some improvement in either thermodynamic or economical aspects of the system although multi objective optimization satisfy both thermodynamic and economical aspects of METVC and exhibit a rational system that could be applied for a real design approach.

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Effect of design parameters on multi-effect desalinationsystem specifications

Cited by 63 publications

References 11 publications

Current status and future directions of MED-TVC desalination technology

Current status and future directions of MED-TVC desalination technology

Performance investigation of an advanced multi-effect adsorption desalination (MEAD) cycle

A new approach for process optimization of a METVC desalination system

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