Saltern evaporation ponds as model systems for the study of primary production processes under hypersaline conditions

Oren, Aharon

doi:10.3354/ame01297

Cited by 93 publications

(92 citation statements)

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“…One potential use could be to stimulate growth of certain algae that thrive in brine saltwater. Oren studied multi-pond solar salterns as the primary process for a highly diversified biological system [27].…”

Section: Discussionmentioning

confidence: 99%

Numerical and Experimental Study of a Multi-Generation Desalination Power Plant

Pleis¹,

Zhou²

2017

JPEE

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The demand for more efficient power generation is not only a prominent subject for environmental reasons but for economic reasons as well. Continuing growth in population contributes to more and more consumption of fresh water, demanding less expensive desalination production, especially in the regions with little or no natural fresh water. Multigeneration desalination power plants may provide solutions to these issues through advanced and efficient designs that are capable of supplying fresh water and power to remote or arid regions of the world. This paper examines the flexibility and versatility of multigeneration systems to showcase the myriad of combinations that are available to accommodate any specific application. It also proposes a specific design for a multi-stage flash desalination system that is powered directly by the exhaust gases of a natural gas micro-turbine capable of producing around 1 MW of electrical power. The performance characteristics, the fresh water produced per kW and the overall plant efficiency, are numerically investigated and compared with previous designs that were analyzed on a larger scale. It is determined that the multigeneration system can produce 56,891 gallons of fresh water per day and an estimated 4.07 tons of salt per day and that a small scale multi-generation desalting systems is feasible.

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Section: Discussionmentioning

confidence: 99%

Numerical and Experimental Study of a Multi-Generation Desalination Power Plant

Pleis¹,

Zhou²

2017

JPEE

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“…Concentration of nutrients in natural brines is very low [OREN, 2009]. In the open pond culture one could easier control nutrient supply than salinity and irradiance.…”

Section: Evaluation Of Contribution Of Salinity Irradiance and Nutrmentioning

confidence: 99%

Evaluation of contribution of salinity, irradiance, and nutrient deficiency into the yield of cells and b-carotene accumulation in the culture of Dunaliella salina (Chlorophyta)

Victoria¹,

Katerina²,

Oleksandr³

2018

Chornomors’k. bot. z.

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Evaluation of contribution of salinity, irradiance, and nutrient deficiency into the yield of cells and -caroteneThe purpose of the study was to evaluate the contribution of salinity, irradiance, nitrate and phosphate, and their interactions into the yield of cell number and -carotene accumulation in Dunaliella salina. To avoid confounding of the effects of factors-conditions by the depletion of factors-resources, the alga was grown in fed-batch culture. In the level ranges of the experimental factors (irradiance 2-8 klx, salinity 1-4 M NaCl, KNO3 0-80 mg L-1, K2HPO4 0-10 mg L-1), nitrate and phosphate influenced the productivity of culture by cell number and -carotene accumulation more strongly than salinity and irradiance. Effects of salinity and irradiance depended on nutrients and their pre-supply to the inoculum. Total effect size  2 of nutrients on cell yield comprised 0,59 for non-starved and 0,43 for starved inoculum, whereas total effect size of factors-conditions -0,10 and 0,12 correspondingly. As to cellular -carotene content, total effect size of nutrients on the cells grown from nonstarved and starved inoculum was 0,71 and 0,58, and of factors conditions -0,8 and 0,5 correspondingly. Remained variances of cell yield and -carotene content were attributed to the interactions of salinity and irradiance with the nutrients. The combination of high values of salinity and irradiance exerted its own, unconfounded by depletion of nutrients, but lower influence on -carotene accumulation. The highest -carotene content of 53 pg per cell was observed in the culture grown from the starved inoculum at the deficiency of phosphorus. Combination of high salinity and irradiance values yielded 17 pg of -carotene per cell compared to about 5 pg under the optimal culture conditions. Controll nutrient supply would be the most powerful tool for biosynthesis control in D. salina culture.Key words: nitrate, phosphate, microalga, cultivation methodology КОМАРИСТА В.П., БІЛОУСОВА К.М., РУДАСЬ О.М. (2018). Кількісне визначення внеску солоності, освітленості та дефіциту біогенів у вихід клітин і накопичення -каротину в культурі Dunaliella salina (Chlorophyta). Чорноморськ. бот. ж., 14 (1): 43-55. doi: 10.14255/2308-9628/18.141/4 Метою дослідження було кількісне визначення внеску солоності, освітленості, нітрату, фосфату та їхної взаємодії до врожаю Dunaliella salina за кількістю клітин та накопиченням -каротину. Щоб запобігти змішенню ефектів факторів-умов з вичерпанням факторів-ресурсів, водорість вирощували в періодичній культурі з підживленням. В дослідженому діапазоні факторів (освітленість 2-8 клк, солоність 1-4 M NaCl, KNO3 0-80 мг/л, K2HPO4 0-10 мг/л), нітрат і фосфат сильніше впливали на продуктивність культури за кількістю клітин та накопиченням -каротину, ніж солоність та освітленість. Вплив солоності та освітленості залежав від біогенів та  © Komaristaya V.P., Bilousova K.M., Rudas O.M. Чорноморськ. бот. ж., 14 (1): 43-55.Чорноморський ботанічний журнал -том 14, № 1 (2018) Komaristaya V.P., Bilousova...

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“…The NaCl crystal is formed when the total salt concentration reaches a value above 300 g/L. After most of the NaCl precipitates, the remaining concentrated brine (the "bittern") contains mainly the ions Mg [76]. Finally, the waste bittern from the salt production is delivered to salt chemical industries to utilize the remaining mineral compounds, including KCl, MgCl2, and MgSO4.…”

Section: Sustainable Approach For Sea Salt Production Combined With Smentioning

confidence: 99%

“…Moreover, this organism is ecologically beneficial to salt production, and this indispensability is caused by its capacity to clear brine from particles up to 50 micrometers diameter, which influences light penetration. The micro crustacean biologically controls the excessive toxic blooms of cyanobacteria, which can produce massive amounts of polysaccharide slime and negatively affect the salt production process, and also provides highly suitable food for the Halobacterium populations in the downstream ponds [76,82]. The crystallization ponds are featured by the red coloration caused mainly by Halobacterium which lives on decomposing Artemia corpses.…”

Section: Sustainable Approach For Sea Salt Production Combined With Smentioning

confidence: 99%

Landscape Changes and a Salt Production Sustainable Approach in the State of Salt Pan Area Decreasing on the Coast of Tianjin, China

Wang

Zhu

2015

Sustainability

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Landsat images from 1979, 1988, 1999, 2008, and 2013 were used to analyze the landscape area change of salt pans lying on the coast of Tianjin. While initially (1979)(1980)(1981)(1982)(1983)(1984)(1985)(1986)(1987)(1988), the area of Tianjin's salt pan increased, later it declined dramatically. In the first phase (1979)(1980)(1981)(1982)(1983)(1984)(1985)(1986)(1987)(1988) of the studied period the primary roll-in landscape of the salt pan wasbarren land with an area of 60.0 km 2 . By 1988, the area of Tianjin's salt pan rose to 457.8 km 2 . The main roll-out landscape of the salt pan during 1988-2013 was urban, barren land, village/town, harbor, and road whose area amounted to 69.8, 35.9, 27.3, 25.5 and 18.4 km 2 respectively. The roll-out barren land will be transformed to construction land ultimately. By 2013, the total loss reached 167.3 km 2 , which was 36.5% of the salt pan area of Tianjin in 1988. With the development of coastal economy, the salterns with a lower economic value were transformed to and replaced by land use types with a higher economic value. This trend would influence the production of sea salt and the development of sodium hydroxide and sodium carbonate industries. Seawater desalination provides an opportunity for the restoration and compensation of salt production capacity. Based on the theory of circular economy and industrial symbiosis, in this article an industrial symbiosis model for sea salt production and sea water desalination is explored: "mariculture-power plant cooling-seawater desalination-Artemia culture-bromide extraction-sea salt production-salt chemical industry". OPEN ACCESSSustainability 2015, 7 10079Through the application of this process sustainable development of the sea salt production in Tianjin could be achieved.

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Saltern evaporation ponds as model systems for the study of primary production processes under hypersaline conditions

Cited by 93 publications

References 40 publications

Numerical and Experimental Study of a Multi-Generation Desalination Power Plant

Numerical and Experimental Study of a Multi-Generation Desalination Power Plant

Evaluation of contribution of salinity, irradiance, and nutrient deficiency into the yield of cells and b-carotene accumulation in the culture of Dunaliella salina (Chlorophyta)

Landscape Changes and a Salt Production Sustainable Approach in the State of Salt Pan Area Decreasing on the Coast of Tianjin, China

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