文献类型：期刊文献

中文题名：碱金属及槽电压对铝电解过程中PFC排放影响研究

英文题名：Study on influence factors of alkali-metal and cell voltage on PFC emission during aluminum reduction

作者：秦庆东 李伟 邱仕麟

第一作者：秦庆东

机构：[1]贵州理工学院材料与冶金工程学院;[2]郑州职业技术学院材料工程系;[3]中国铝业郑州有色金属研究院有限公司

第一机构：贵州理工学院材料与冶金工程学院

年份：2015

卷号：0

期号：8

起止页码：21-25

中文期刊名：轻金属

外文期刊名：Light Metals

收录：北大核心:【北大核心2014】；CSCD:【CSCD_E2015_2016】；

基金：贵州省教育厅招标项目(黔教合KY字[2014]270);贵州省特种功能材料2011协同创新中心项目

语种：中文

中文关键词：铝电解;碱金属;全氟化碳;槽电压

外文关键词：aluminum reduction ; alkali - metal ; PFC ; cell voltage

摘要：针对铝电解槽非阳极效应过程全氟化碳PFC的排放问题,本研究通过电化学工作及傅里叶红外光谱仪研究了电解质中碱金属种类、含量及槽电压对PFC排放的影响,结果发现:锂盐的加入使得PFC的生成电位略有提高,可以在一定范围内抑制PFC的排放;少量镁盐加入,在一定程度上降低PFC的生成电位,造成电解过程更容易产生PFC,当镁盐含量超过一定量时,又会提高PFC的生成电位,对PFC的形成产生抑制作用;PFC的排放量与电解过程槽电压有着极大关系,电压越高,PFC排放时间就越长,排放量就越大。
In this paper the PFC emission of alkali - metal and cell voltage on aluminum reduction were studied by the electrochemical workstation and Fourier transform infrared spectrometry. The results showed that lithium salt addition could enhance slightly the production potential of PFC, and then de- creased the emission of PFC. The addition of Mg salt could decrease the production potential of PFC, accordingly increased the emission of PFC. Instead, with the increasing of Mg salt content, the production potential of PFC enhanced as well. At this time, Mg salt could decrease the emission of PFC. The relationship between PFC emission and cell voltage was soil cooperation. Namely, the high cell voltage was, the more PFC emission were.