| 摘要 |
In connection with the recycling of lead-acid batteries, battery muds are desulfated by adding an aqueous solution of a treating agent comprising soluble alkali metal salts or alkali metal hydroxides to crushed battery components. The treating agent reacts with sulfuric acid and lead sulfate to form an aqueous solution of alkali metal sulfates and precipitated lead compounds. Following separation of the reacted battery mud and other crushed battery components, separation of the soluble alkali metal sulfates and solids such as PbO, PbO2, and precipitated lead compounds is effected.
|
