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Ocean salt basins energy harvesting
Applied Ocean Research ( IF 4.3 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.apor.2020.102074
Francisco J. Arias , Salvador De Las Heras

Abstract In this work, the potential of harvesting energy from ocean salt basins is discussed. These deep ocean depressions which host thick salts deposits whose salinities could be up to 5-10 times higher than normal seawater open an interesting -and so far, unexplored possibility for ocean energy. It is known that upon mixing two solutions of different concentrations spontaneous energy can be released, and then, if the upper waters surrounding the basin are deliberately brought and mixed with the hypersaline brine pool, osmotic energy can be obtained. Although the extractable osmotic energy density is certainly low in comparison with other ocean energy sources, nevertheless, ocean basins can be several kilometers broad and then a vast amount of energy is stored in those basins, which, in addition, could be steadily extracted without interruption avoiding the intermittence problem besetting traditional renewable energies. The economical viability for an ocean brine pool power station could be in any case higher or at least similar than that from Ocean Thermal Energy Conversion (OTEC). Additional R&D is required in order to arrive at a reliable practical design and to explore this yet untapped new source of ocean energy.

中文翻译:

海洋盐盆能量收集

摘要 在这项工作中,讨论了从海洋盐盆中获取能量的潜力。这些深海洼地拥有厚盐沉积物,其盐度可能比正常海水高出 5-10 倍,开启了一种有趣的——迄今为止,尚未开发的海洋能源可能性。众所周知,将两种不同浓度的溶液混合后,可以释放出自发能量,然后,如果故意将盆地周围的上层水带入高盐盐水池中,就可以获得渗透能。尽管与其他海洋能源相比,可提取的渗透能密度肯定较低,但是,海洋盆地可能有几公里宽,然后大量的能量储存在这些盆地中,此外,可以不间断地稳定提取,避免了困扰传统可再生能源的间歇性问题。海洋盐水池发电站的经济可行性在任何情况下都可能比海洋热能转换 (OTEC) 更高或至少相似。为了获得可靠的实用设计并探索这种尚未开发的新海洋能源,需要进行额外的研发。
更新日期:2020-05-01
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