我厂产出的焊锡含鉛、鉍較高,不能满足工业上的要求,必须进一步处理。实践證明,用盐酸、氯化亚錫混合电解液进行电解,可获得一級精錫;阳极泥用湿法处理,可使锡、铅、铋分离,並能得到回收。一、焊锡电解焊錫电解选用盐酸——氯化亚錫作混合电解液,添加剂为明胶与工业用浓硫酸。氯化亚錫的制取是将粗錫(合錫>90％)熔化,用 The solder produced by our factory contains lead and bismuth, which can not meet the industrial requirements and must be further processed. Practice has proved that with hydrochloric acid, stannous chloride mixed electrolyte electrolysis, can be a fine tin; anode mud with wet processing, tin, lead, bismuth can be separated, and can be recovered. First, solder electrolysis Solder electrolysis use hydrochloric acid - stannous chloride as a mixed electrolyte, gelatin and industrial additives for concentrated sulfuric acid. Stannous chloride is prepared by melting crude tin (> 90% tin) for use