The recovery of In from lead dust was investigated.The use of new leaching process by sulfating calcination and water leaching has resulted in leaching rate of In more than 87%.

• 对某厂铅烟灰提铟工艺进行了研究,提出了硫酸化焙烧-水浸的浸出工艺流程,使铟的浸出率提高到88%25以上。