Environmental impact and impact assessment of seawater desalination

Lattemann, Sabine; Höpner, Thomas

doi:10.1016/j.desal.2007.03.009

Cited by 857 publications

(467 citation statements)

References 11 publications

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“…Concentrate salinity and chemistry, temperature (for thermal processes), and waste chemicals are the main concerns [29,30]. New regulations require dilution of the concentrate in a mixing zone, reduction of brine temperature by cooling water, and removing the chemicals before discharging it into the sea (e.g., dechlorination).…”

Section: Main Parameters Influencing the Costmentioning

confidence: 99%

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Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability

2013

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Desalination capacity has rapidly increased in the last decade because of the increase in water demand and a significant reduction in desalination cost as a result of significant technological advances, especially in the reverse osmosis process. The cost of desalinated seawater has fallen below US$0.50/m 3 for a large scale seawater reverse osmosis plant at a specific location and conditions while in other locations the cost is 50% higher (US$1.00/m 3 ) for a similar facility. In addition to capital and operating costs, other parameters such as local incentives or subsidies may also contribute to the large difference in desalted water cost between regions and facilities. Plant suppliers and consultants have their own cost calculation methodologies, but they are confidential and provide water costs with different accuracies.The few existing costing methodologies and software packages such as WTCost© and DEEP provide an estimated cost with different accuracies and their applications are limited to specific conditions. Most of the available cost estimation tools are of the black box type, which provide few details concerning the parameters and methodologies applied for local conditions. Many desalination plants built recently have greater desalinated water delivery costs caused by special circumstances, such as plant remediation or upgrades, local variation in energy costs, and site-specific issues in raw materials costs (e.g., tariffs and transportation). Therefore, the availability of a more transparent and unique methodology for estimating the cost will help in selecting an appropriate desalination technology suitable for specific locations with 2 consideration of all the parameters influencing the cost. A techno-economic evaluation and review of the costing aspects and the main parameters influencing the total water cost produced by different desalination technologies are herein presented in detail. Some recent developments, such as the increase of unit capacity, improvements in process design and materials, and the use of hybrid systems have contributed to cost reduction as well as reduction in energy consumption. The development of new and emerging low-energy desalination technologies, such as adsorption desalination, will have an impact on cost variation estimation in the future.

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Section: Main Parameters Influencing the Costmentioning

confidence: 99%

“…New environmental regulations continuously oblige designers and plant constructors to develop advanced methods for concentrate discharge [29].…”

Section: Main Parameters Influencing the Costmentioning

confidence: 99%

Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability

2013

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“…Power plants which use chlorine dioxide report either no residual oxidant levels or a maximum of 0.1 mg/l at the point of discharge [219]. Chlorine dioxide is also used in some distillation plants in the Gulf region [220] and is used in the Tampa Bay SWRO plant in Florida [75]. In Tampa, chlorine use was abandoned due to elevated disinfection by-product levels.…”

Section: Eia and Dss For Seawater Desalination Plantsmentioning

confidence: 99%

Development of an Environmental Impact Assessment and Decision Support System for Seawater Desalination Plants

Lattemann¹

2010

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“…The potential impact of desalination activity includes impingement and entrainment of biota; emission of air pollutants; changes in marine water-quality especially salinity and temperatures; and the chemical discharges including biocides and chlorination, and biofouling and descaling chemicals used in the process [2], [7]- [10]. Most of the desalination plants in the northern Persian/Arabian Gulf are combined with power generation facilities.…”

Section: A Environment Impact Of Power and Desalination Plantsmentioning

confidence: 99%

Environmental Impacts of Desalination Activities in the Arabian Gulf

Uddin¹

2014

IJESD

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Abstract-Most of the power and freshwater needs in the Middle East are met by the desalination of seawater. With approximately 11 million m 3 of freshwater being produced each day, the salinity of the seawater along the Gulf coast is increasing. This increase in salinity combined with higher sea surface temperatures is a big environmental challenge. However, continuous monitoring has highlighted that the acidifying Gulf water is utilizing this increased salinity to balance the pH, thus saving detrimental effect on the ecology of the region. The effect of desalination is more severe on receptors including corals, and fisheries. Elevated levels of strontium have been measured in the Gulf as a result of its hypersalinity.

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Environmental impact and impact assessment of seawater desalination

Cited by 857 publications

References 11 publications

Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability

Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability

Development of an Environmental Impact Assessment and Decision Support System for Seawater Desalination Plants

Environmental Impacts of Desalination Activities in the Arabian Gulf

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