专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明授权

US3960681A Method for producing electrolytic high purity lead using large-sized electrodes 失效
标题翻译：使用大尺寸电极生产电解高纯铅的方法
公开(公告)号：US3960681A
公开(公告)日：1976-06-01
申请号：US545125
申请日：1975-01-29
申请人： Etsuji Nomura , Masaharu Aramaki , Yuji Nishimura
发明人： Etsuji Nomura , Masaharu Aramaki , Yuji Nishimura
IPC分类号： C25C1/18 , C25C7/02 , C25B11/04
CPC分类号： C25C1/18 , C25C7/02
摘要： Betts process for electrolytically refining lead from crude lead containing bismuth is improved by the use of crude lead anodes containing as impurities 0.8 to 1.3 % by weight of antimony, 0.6 % by weight or less of bismuth, 0.1 % by weight or less of copper and 0.05 % by weight or less of tin, the ratio of the sum of the contents of antimony and arsenic to the content of bismuth being 2.0 or more, whereby producing electrolytically deposited lead which is feasible for being refined into a purity of 99.999 % or more when being subjected to the Harris process. The Betts process can be effected in a large-sized electrolytic cel containing corresponding electrodes by the use of high purity lead cathodes having at the centers many wrinkles capable of absorbing residual strain.
摘要翻译：通过使用含有0.8-1.3重量％的锑，0.6重量％或更少的铋，0.1重量％或更少的铜作为杂质的粗铅阳极，提高了含有铋原铅的电解精炼铅的Betts方法，以及 0.05重量％以下的锡，锑和砷的含量之和与铋的含量的比例为2.0以上，由此制造可以精制为99.999％以上的纯度的电解沉积铅当受到哈里斯过程。 Betts工艺可以通过使用高纯度铅阴极在含有相应电极的大尺寸电解槽中实现，该阴极在中心具有许多能够吸收残余应变的皱纹。

IPRDB

热门服务

关于我们

友情链接

联系方式