| 摘要 |
<p>Process and agent for dissolving scales, wherein are used a Lewis acid and a medium-to-weak acid in a proportion comprised between 1:1 and 6:1, preferably between 1:2 and 1:3. The solvent contains preferably metal ions corresponding to the material on which are deposited the scales. The solvent comprises preferably consistent acids, citric acid or oxalic acid for example, and a consistent Lewis acid, for example iron or aluminum trichloride hydrate.</p> |
