| 摘要 |
<p>TITLE: AN IMPROVED SOLVENT FOR REMOVING IRON OXIDE DEPOSITS Liquid and foam formulations useful for removing iron oxide deposits, for example from heat transfer equipment, comprising an organic solution or foam of N-hydroxyethyl ethylenediamine triacetic acid and an organic acid (for example, formic acid); and a method of removing iron oxide deposits from encrusted equipment surfaces by injecting the liquid or foam formulation, preferably also containing a corrosion inhibitor, into equipment to be cleaned, and circulating the liquid or foam formulation.</p> |
