Evaluation of the economics of desalination by integrating greenhouse gas emission costs: An empirical application for Chile

Molinos-Senante, María; González, Diego Sánchez

doi:10.1016/j.renene.2018.09.019

Cited by 31 publications

(18 citation statements)

References 36 publications

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“…Mediterranean region, Middle-East etc.) [5]. Both the performance and operational reliability of RES systems is highly sensitive to the continuously changing weather conditions, exhibiting hourly, daily and yearly variations during their prolonged lifetime period (typically > 20 years).…”

Section: Introductionmentioning

confidence: 99%

Stochastic weather generator for the design and reliability evaluation of desalination systems with Renewable Energy Sources

et al. 2020

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The operation of Renewable Energy Sources (RES) systems is highly affected by the continuously changing meteorological conditions and the design of a RES system has to be robust to the unknown weather conditions that it will encounter during its lifetime. In this paper, the use of Stochastic Weather Generators (SWGENs) is introduced for the optimal design and reliability evaluation of hybrid Photovoltaic / Wind-Generator (PV-W/G) systems providing energy to desalination plants. A SWGEN is proposed, which is based on parametric Markov-Switching Auto-Regressive (MSAR) models and is capable to simulate realistic hourly multivariate time series of solar irradiance, temperature and wind speed of the target installation site. Numerical results are presented, demonstrating that: (i) SWGENs enable to evaluate the reliability of RES-based desalination plants during their operation over a 20 years lifetime period and (ii) using an appropriate time series simulated with a SWGEN as input to the design optimization process results in a RES-based desalination plant configuration with higher reliability compared to the configurations derived when the other types of meteorological datasets are used as input to the design optimization process.

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Section: Introductionmentioning

confidence: 99%

Stochastic weather generator for the design and reliability evaluation of desalination systems with Renewable Energy Sources

et al. 2020

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“…The desalination plants use significant amounts of chemicals for the pre-treatment of saline and freshwater (25). Excessive salinity of effluent and discharge of large quantities of chemicals into coastal waters results in ecological imbalance and have major effects on receiving waters.…”

Section: Dilution Costs To Reduce Environmental Impactsmentioning

confidence: 99%

“…Total Investment, operating and environmental costs (for the salinity reduction) without CO 2 control cost as US$/m 3 of freshwater as Eq(25). Total investment and operating, without environmental costs as US$/m 3 of fresh water is as Eq(26).…”

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confidence: 99%

Modeling of environmental aspects related to reverse osmosis desalination supply chain

Mehrgan

Mahdiraji

Binaee

et al. 2020

Environ Health Eng Manag

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Background: This study aimed to model optimization of strategic environmental management decisions in the operation of reverse osmosis desalination, emphasizing the costs required for the environmental protection during the production of freshwater using reverse osmosis technology. Methods: This analytical research was conducted in five cities of Hormozgan province in Iran for 18 months from February 2018 to September 2019. The research includes eight phases of defining the research problem, data collection, preliminary data analysis and decision criteria, mathematical modeling, model validation, information preparation, analysis and finally discussion, conclusions and suggestions. The main environmental issues were the carbon dioxide (CO2 ) release rate due to power demand and rejected brine water (RBW) were entered the mathematical model. Results: The desalination plants of Abu Musa, Bandar Abbas, Qeshm, Sirik, and Hormoz with water production flow rate of 2100, 89 000, 5300, 3300 and 1500 m3 /d can generate 2360.82, 100053.80, 5958.260, 3709.86 and 1686.30 tons/year of CO2 emissions respectively. This output requires 1.35, 57.47, 3.42, 2.13 and 0.97 million USD for controlling the process, respectively. For reduction of the negative effect of RBW 0.75, 22.79, 1.78, 1.15 and 0.55 million USD respectively, is needed. Conclusion: Recommendations for environmental impacts protection of RBW, for desalination capacity up to 50 000 m3 /d, are; (a) for desalination capacity up to 50 000 m3 /d; dilution the RBW using raw water before entering into the sea, (b) for capacity of 50 000-100 000 m3 /d; dispersing RBW in sea using diffuser, and (c) for capacity more than 100 000 m3 /d; hybrid water desalination plants and power plant. Application of power plant cooling water to dilute RBW may reduce cost.

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“…The operating and maintenance costs included energy consumption, membrane replacement, maintenance, reagents consumption and labor costs (Table 2). Based on the salinity concentration and average temperature of the coast of Chile, around 35,000 ppm and 17 • C, respectively [35], it was assumed that the energy consumption of seawater desalination was 3.5 kWh/m 3 . The capital costs and operating and maintenance costs were estimated using cost functions that were developed based on the results reported by Molinos-Senante and González (2019) [35].…”

mentioning

confidence: 99%

Municipal Wastewater Reuse: Is it a Competitive Alternative to Seawater Desalination?

Crutchik

Campos

2021

Sustainability

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Water scarcity is becoming a global challenge to attempts to narrow the water demand–supply gap. To overcome this problem, it is sensible to consider alternative technologies that can exploit non-conventional water resources. The choice of such technologies should be, however, carefully analyzed, because any choice might be unfeasible from an economic point of view. In this work, a methodology to select the most appropriate non-conventional water resource, out of municipal wastewater and seawater, was proposed. Specifically, we attempted to determine which alternative provides cheaper water supply and production costs for domestic uses, depending on the wastewater treatment system used and the water plant capacity. The production of water under three scenarios was analyzed: (i) a city that has a conventional wastewater treatment plant (WWTP); (ii) a city that uses primary treatment and submarine outfalls to treat municipal wastewater; (iii) seawater desalination. The proposed methodology was tested in Chilean cities that are located in areas where water is a scarce resource. The results showed that the reuse of municipal wastewater represents a cost-competitive alternative to seawater desalination, mainly when municipal wastewater is treated in a conventional WWTP and when water flow demand is higher than 1500 m3/d. In contrast, seawater desalination becomes more profitable than wastewater reuse when the treatment of municipal wastewater is based on the use of submarine outfalls. This study provides a useful economic tool for promoting municipal wastewater reuse as a non-conventional water source for supplying water to cities that suffer from water scarcity in Chile and in similar areas of the world.

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Evaluation of the economics of desalination by integrating greenhouse gas emission costs: An empirical application for Chile

Cited by 31 publications

References 36 publications

Stochastic weather generator for the design and reliability evaluation of desalination systems with Renewable Energy Sources

Stochastic weather generator for the design and reliability evaluation of desalination systems with Renewable Energy Sources

Modeling of environmental aspects related to reverse osmosis desalination supply chain

Municipal Wastewater Reuse: Is it a Competitive Alternative to Seawater Desalination?

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