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Membrane distillation and applications for water purification in thermal cogeneration plants

机译：膜蒸馏及其在热电联产厂中的水净化应用

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Water treatment is an important auxiliary process in all thermal cogeneration plants. In this context membrane distillation (MD) is a novel technology that has potential advantages in : the ability to utilize low-grade heat instead of electricity; reduced sensitivity to fluctuations in pH or salt concentrations. This research is a continuation of a previously conducted theoretical study where the performance of MD-based water treatment was explored via laboratory testing, system simulations of thermodynamic performance, and economic evaluations. The current paper, encompassing field trials, contains details of a test rig deployed at Idbacken Cogeneration Facility (Nykoping, Sweden) with a five-module MD unit capable of producing 1-2 m~3/day purified water. District heating supply line was employed for heating while municipal water was used for cooling; feed stocks include municipal water and flue gas condensate. A long-term performance evaluation including thorough chemical testing of product water quality is presented.
机译：水处理是所有热电联产厂的重要辅助过程。在这种情况下，膜蒸馏（MD）是一项新颖的技术，具有以下潜在优势：利用低品位热量代替电力的能力;降低了对pH或盐浓度波动的敏感性。该研究是先前进行的理论研究的延续，其中通过实验室测试，热力学性能的系统模拟和经济评估来探索基于MD的水处理的性能。当前的论文包括现场试验，详细介绍了在Idbacken热电联产工厂（瑞典尼雪平）部署的试验设备的详细信息，该设备具有可生产1-2 m〜3/3 /天的纯净水的五模块MD装置。区域供热管线用于供热，而市政水用于冷却;原料包括市政水和烟气冷凝物。提出了长期性能评估，包括对产品水质进行全面的化学测试。

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