Economic and Performance Comparisons of Salty and Saltless Solar Ponds

Edesess, Michael; Benson, D. K.; Henderson, J. B.; Jayadev, T. S.

doi:10.2172/1467381

Cited by 5 publications

(4 citation statements)

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“…Subsequently, an NaCl pond may require 30-60% of that investment for the initial NaCl charge. Additionally, the economics of SGSPs include excavation and blackened coating costs [181] .…”

Section: Economic Studiesmentioning

confidence: 99%

Salinity-gradient solar pond: History and progress review

Sleiman,

Vaerenbergh,

Hamieh

2023

Therm. Sci. Eng.

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A salinity gradient solar pond (SGSP) is a large and deep artificial basin of layered brine, which collects and stores-simultaneously-solar energy for use in various applications. Experimental and theoretical studies have been launched to understand the thermal behavior of SGSPs, under different operating conditions. This article then traces the history of SGSPs, from their natural discovery to their current artificial applications and the progress of studies and research, according to their chronological sequence, in terms of determining their physical and dynamic aspects, their operation, management and maintenance. It has extensively covered the theoretical and experimental studies, as well as the direct and laboratory applications of this technology, especially the most famous and influential in this field, classified according to the aspect covered by the study, with a comparison between the different results obtained. In addition, it highlighted the latest methods to improve the performance of an SGSP and facilitate its operation, such as the use of a magnetic field and the adoption of remote data acquisition, in the aim of expanding research and enhancing the benefit of this technology.

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“…Subsequently, an NaCl pond may require 30-60% of that investment for the initial NaCl charge. Additionally, the economics of SGSPs include excavation and blackened coating costs [181] .…”

Section: Economic Studiesmentioning

confidence: 99%

Salinity-gradient solar pond: History and progress review

Sleiman,

Vaerenbergh,

Hamieh

2023

Therm. Sci. Eng.

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“…The most commonly used salt is NaCl, because it strongly meets the previous criteria (Table 2). But more important than its physical properties, is that the salt is widely available near the pond so that its transport costs do not dominate its low purchase costs; especially since a quantity of suitable salt of the order of half to several tons per square meter of pond will be necessary and therefore the cost of salt will strongly invade the economy of the SGSP [39].…”

Section: Salt Selectionmentioning

confidence: 99%

Conception of a Salinity-Gradient Solar Pond in Beirut, Lebanon: Instrumentation, Control, Maintenance and Economic

Sleiman,

Van Vaerenbergh,

Hamieh

2022

PSEES

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Lebanon, currently engulfed in a severe economic crisis, grapples with substantial challenges in electricity provisioning due to systemic grid failures, foreign dependence, depleting resources, and the costly adoption of fossil fuels. These exigencies necessitate a shift towards innovative, renewable energy solutions, thereby positioning Salinity-Gradient Solar Ponds (SGSPs)artificial reservoirs harnessing and storing solar energy as a potentially effective response. This study proffers an instrumented engineering proposal advocating the implementation of SGSPs in Lebanon, detailing the operational management, control, and maintenance required for reliable heat production. By articulating the feasibility and benefits of SGSPs within the Lebanese context, the paper underscores their potential to alleviate existing energy constraints and foster a more sustainable, self-sufficient energy future for the nation.

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“…In locations where land is available and inexpensive and soil conditions are suitable, it may make 5onomic sense to use a solar pond for storage. Edesess et al [18] re:fort that for a 700-m surface area salt solar pond, incl¥ding the equivalent of 100~-m storage volume, the total cost is approximately $30/m of surface area, or $21/m of storage. Although such a pond would replace collectors as well as storage, the cost of lann may make such a system impractical in an urban or suburban location.…”

Section: ?? Storage Tank Costsmentioning

confidence: 99%