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Mitigation of Fluoride from Brackish Water via Electrodialysis: An Environmentally Friendly Process
ChemistrySelect ( IF 1.9 ) Pub Date : 2018-01-16 , DOI: 10.1002/slct.201701170 Prem P. Sharma 1, 2 , Vikrant Yadav 1, 2 , Pravin D. Maru 1 , Babulal S. Makwana 1 , Saroj Sharma 1, 2 , Vaibhav Kulshrestha 1, 2
ChemistrySelect ( IF 1.9 ) Pub Date : 2018-01-16 , DOI: 10.1002/slct.201701170 Prem P. Sharma 1, 2 , Vikrant Yadav 1, 2 , Pravin D. Maru 1 , Babulal S. Makwana 1 , Saroj Sharma 1, 2 , Vaibhav Kulshrestha 1, 2
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Present study reports the removal of fluoride from brackish water by electrodialysis (ED) process using indigenous ion exchange membranes. Defluoridation study was performed using in‐house made laboratory scale ED unit of effective area 200 cm2 using synthetic as well as real field sample. The effect of experimental conditions such as applied potential, brackishness in feed samples and fluoride concentration have been investigated during ED process. Experiments were performed with 2050 mg/L of salt concentration with 5, 10, 20 mg/L of fluoride in brackish water. Performance evolution study in terms of power consumption and current efficiency has also been studied to evaluate the suitability of the process for the defluoridation of brackish water. The experimental results revealed that the defluoridation performance increased as we increased potential. 2.0 volt/cell pair applied potential found to be optimum for defluoridation of brackish water in term of power consumption (1.2 kWh /kg) and current efficiency (87.0%) during electrodialysis. Study shows that ED system found to be suitable for defluoridation of brackish water.
中文翻译：
通过电渗析减少半咸水中的氟化物：一种环境友好的工艺
目前的研究报道了使用本地离子交换膜通过电渗析（ED）工艺从微咸水中去除氟化物的方法。脱氟研究使用有效范围为200 cm 2的实验室自制实验室规模ED装置进行使用合成样品和实地样品。在ED过程中，已经研究了实验条件的影响，例如施加电势，饲料样品中的咸味和氟化物浓度。在微咸水中用2050 mg / L的盐浓度和5、10、20 mg / L的氟化物进行实验。还对功耗和电流效率方面的性能演变研究进行了评估，以评估该工艺对微咸水进行脱氟的适用性。实验结果表明，脱氟性能随着电势的增加而增加。就电渗析过程中的功耗（1.2 kWh / kg）和电流效率（87.0％）而言，发现2.0伏特/电池对施加的电位对于微咸水的脱氟而言是最佳的。
更新日期：2018-01-16
中文翻译：
通过电渗析减少半咸水中的氟化物：一种环境友好的工艺
目前的研究报道了使用本地离子交换膜通过电渗析（ED）工艺从微咸水中去除氟化物的方法。脱氟研究使用有效范围为200 cm 2的实验室自制实验室规模ED装置进行使用合成样品和实地样品。在ED过程中，已经研究了实验条件的影响，例如施加电势，饲料样品中的咸味和氟化物浓度。在微咸水中用2050 mg / L的盐浓度和5、10、20 mg / L的氟化物进行实验。还对功耗和电流效率方面的性能演变研究进行了评估，以评估该工艺对微咸水进行脱氟的适用性。实验结果表明，脱氟性能随着电势的增加而增加。就电渗析过程中的功耗（1.2 kWh / kg）和电流效率（87.0％）而言，发现2.0伏特/电池对施加的电位对于微咸水的脱氟而言是最佳的。
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