Novel sea water desalination unit utilizing solar energy heating system

ElHelw, Mohamed; El‐Maghlany, Wael M.; El-Ashmawy, Walaa M.

doi:10.1016/j.aej.2020.03.019

Cited by 21 publications

(7 citation statements)

References 23 publications

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“…Here, water is used as the heat transfer fluid (HTF). 51 The solar energy is utilized to heat up that water in the PTSC, and the produced hot water gets stored in the hot storage tank (T-1). This hot water is circulated to the tube side of the BHX, where it uses the sensible heat to produce steam, and this makeup steam is directed to the MED-MVC process.…”

Section: Solar-powered Med-mvc: a Novel Configurationmentioning

confidence: 99%

See 1 more Smart Citation

A Carbon-Neutral Highly Productive Solar-Powered Desalination Process: Improving Economic Performance with Carbon Pricing

Mukherjee,

Mondal,

Jana

2024

Ind. Eng. Chem. Res.

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This work proposes a carbon-neutral desalination process. For this, at first a rigorous theoretical framework for multieffect desalination coupled with a thermal vapor compressor (MED-TVC) is developed to validate with the data set of a plant operated in Libya and to show the outperformance over an existing model. A mechanical vapor compressor (MVC) is proposed to integrate with MED, and the hot brine and distillate withdrawn from that MED are employed for feed preheating. A multiobjective genetic algorithm -based optimizer is formulated with three conflicting objectives, namely, productivity, CO 2 emission, and production cost that includes carbon tax. The proposed MED-MVC outperforms MED-TVC in terms of all of those performance metrics. Subsequently, we move to transform this MED-MVC process to a carbon-neutral unit by introducing solar energy to generate makeup steam and electricity. This innovative sustainable zeroemission desalination process secures higher productivity at a lower cost than the existing MED-TVC plant scenario.

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Section: Solar-powered Med-mvc: a Novel Configurationmentioning

confidence: 99%

“…The BHX is typically run having a parabolic trough solar collector (PTSC) and two insulated thermal energy storage (TES) tanks. Here, water is used as the heat transfer fluid (HTF) . The solar energy is utilized to heat up that water in the PTSC, and the produced hot water gets stored in the hot storage tank (T-1).…”

Section: Process Descriptionmentioning

confidence: 99%

A Carbon-Neutral Highly Productive Solar-Powered Desalination Process: Improving Economic Performance with Carbon Pricing

Mukherjee,

Mondal,

Jana

2024

Ind. Eng. Chem. Res.

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“…The condensate whose water temperature is higher than or equal to 100 ℃ is called high temperature condensate. The condensate whose water temperature is lower than 100 ℃ is called low temperature condensate [8]. The condensate temperature firstly depends on the working characteristics of the steam-using equipment, and secondly is related to the type of condensate recovery system, and also related to the length of the condensate pipeline and thermal insulation performance.…”

Section: Technical Indicators Of Condensate Recovery Systemmentioning

confidence: 99%

Economical research on optimizing heating parameters of steam heating condensate recovery in thermal power plants

2021

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The paper starts with calculating the share of heat of condensate in thermal power plants in the total heat of steam, expounds the purpose, significance, and principle requirements of condensate recovery. Introduces the composition and classification of condensate recovery system, proposes technical and economic indicators for condensate recovery, and derives them a simple algorithm for the benefit of condensate recovery is presented. Finally, two calculation examples are used to illustrate the considerable benefits of condensate recovery.

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“…Recently, the water desalination market is in huge growth due to the rapid increase in the need for freshwater, whether for domestic use, industry, or agriculture, due to the increase in the population on the one hand and climatic changes on the other. For this purpose, many distillation technologies have been developed [1], such as distillation using electrical energy (ED), mechanical energy (Ro, MVC), and thermal energy which is the most common due to the complete purity of salt, regardless of the salinity of seawater, in addition to the possibility of integration with Solar Rankin cycle power plants [2,3], absorption chillers [4], heat pumps [5], the vapor-compression refrigeration systems [6], and solar energy technologies as a source of thermal energy [7,8]. Among thermal desalination processes, the Multi-Effect Distillation (MED) technology is currently the most focused, due to the higher energetic performances achieved and the larger flexibility compared to the traditionally preferred Multi-Stage Flash (MSF) technology [9], also it requires relatively less pretreatment than RO [10].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Modeling and Simulation of the Forward Feed MED-TVC Desalination Plant

Habib

Hamed

Youssef

et al. 2022

ARFMTS

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The sudden disturbances in the operating parameters of desalination plants are common, especially when these plants are integrated with concentrated solar power (CSP). These disturbances damage the plants over time and may lead to a complete shutdown. This paper aims to investigate the performance of a forward feed multi-effect distillation plant with a thermal vapor compressor (FF-MED-TVC) which has a high potential for integration with concentrated solar power (CSP). However, the fluctuation and instability of solar energy require the development of dynamic model for the MED process to analyze the transient behavior. Few papers were published in the transient state, especially the forward feed (FF) configuration, as most of the papers focused on the parallel feed (PF) and parallel cross feed (PCF) configuration. Accordingly, a mathematical model has been developed using Engineering Equation Solver (EES) software and validated against data reported from two previous models in the literature, where a perfect agreement was obtained. Then the proposed model was employed to predict the system's response to the most important parameters that may change suddenly in the real operating environment, such as the variation in the motive steam pressure, feed seawater mass flow rate, and temperature. For the same percentage (10%) of these three disturbances, the results indicated that the needed time to return to 95 % of steady state is the longest in the case of increasing the seawater mass flow rate (about 350 seconds after the turbulence is removed), while it is the shortest in the case of increasing the pressure of motive steam (about 50 seconds after the turbulence is removed). In this paper, a comprehensive analysis of the transient performance was performed and a clearer view of the dynamic response was given which enables to optimize the control strategy and improve the stability.

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Novel sea water desalination unit utilizing solar energy heating system

Cited by 21 publications

References 23 publications

A Carbon-Neutral Highly Productive Solar-Powered Desalination Process: Improving Economic Performance with Carbon Pricing

A Carbon-Neutral Highly Productive Solar-Powered Desalination Process: Improving Economic Performance with Carbon Pricing

Economical research on optimizing heating parameters of steam heating condensate recovery in thermal power plants

Dynamic Modeling and Simulation of the Forward Feed MED-TVC Desalination Plant

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