Process for the recovery of the free sulfuric acid from residues of the two-stage concentration of salt-containing waste - sulfuric acids

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  机译： 从含硫酸盐中回收硫酸和干燥无水硫酸的方法

• 4. LEAD / SULFURIC ACID ACCUMULATOR, SEPARATOR FOR LEAD / SULFURIC ACID ACCUMULATORS AND PROCEDURE TO BLOCK THE FORMATION OF WASTE RESIDUES IN A LEAD / SULFURIC ACID ACCUMULATOR. [P] . ES2029966T1 . 1992-10-16

  机译： 铅/硫酸累积器，铅/硫酸累积器的分离器以及阻止铅/硫酸累积器中废物残渣形成的程序。

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  机译： 通过处理稀硫酸盐浓度的硫酸回收高浓度硫酸溶液的方法

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