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首页> 外文会议>Geothermal Resources Council Annual Meeting >Assessment of Traditional and Novel Membrane Processes for Recovery of Cooling Tower Water in Geothermal Power Plants
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Assessment of Traditional and Novel Membrane Processes for Recovery of Cooling Tower Water in Geothermal Power Plants

机译：地热发电厂冷却塔水恢复的传统和新型膜过程的评估

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Cooling towers in geothermal power plants use large quantities of water to ensure high-efficiency generation of power. However, low quality of make up water results in inefficient use of water and discharge of large volumes of blowdown water. Membrane processes can be utilized in conjunction with cooling towers to reclaim blowdown water and beneficially reuse the product water; thereby reducing operating cost and increasing water use efficiency. In the current study conventional pressure-driven membrane processes (i.e., nanofiltration and reverse osmosis) are tested for treatment of blowdown water alongside testing of novel, thermally-driven and osmotically-driven membrane processes. Results from bench- and pilot-scale investigations will be presented. Additionally, novel thermally-driven membrane processes have been tested for degasification of blowdown water before injection to the subsurface. Results demonstrated that savings can be achieved by reducing chemical use and degassing with membranes.
机译：地热发电厂的冷却塔使用大量的水来确保高效的电力产生。然而，低质量的弥补水导致水的低效利用水和大量排污水的排放。膜过程可与冷却塔结合使用以回收排污水并有利地重用产品水;从而降低了运营成本并增加了水利用效率。在目前的研究中，测试常规的压力驱动膜方法（即，纳滤和反渗透），用于处理新的，热驱动和渗透驱动的膜方法的排污水。将提出替补和飞行员规模调查的结果。另外，已经测试了新型的热驱动膜方法，以便在注射到地下之前对排污水进行脱气。结果表明，可以通过减少化学用途和用膜脱气来实现节约。

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