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Influence of surface area of counter electrodes in electro-denitration process
Progress in Nuclear Energy ( IF 3.3 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.pnucene.2020.103420
Satyabrata Mishra , Falix Lawrence , N.K. Pandey

Abstract Using anodes of different surface area with the same cathode, electrolytic reduction of 4 M HNO3 was carried out in constant current mode to quantify the energy loss due to temperature rise. Rate constants and enegy efficiencies were compared under applied current densities using anodes of different surface area. Based on the results, anodes with low surface area compared to the working electrode is not a suitable option during electrolytic denitration. Testing of a platinum electroplated titanium electrode as an anode for its life assessment suggested electroplating is not a viable option under harsh conditions, encountered in spent nuclear fuel reprocessing.

中文翻译:

电脱硝过程中对电极表面积的影响

摘要 使用不同表面积的阳极和相同的阴极,在恒流模式下电解还原4 M HNO3,以量化因温升引起的能量损失。使用不同表面积的阳极在施加的电流密度下比较速率常数和能量效率。根据结果​​,在电解脱硝过程中,与工作电极相比具有低表面积的阳极不是合适的选择。将镀铂钛电极作为阳极进行寿命评估的测试表明,在乏核燃料后处理中遇到的恶劣条件下,电镀不是可行的选择。
更新日期:2020-08-01
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