2026 年 2 月 5 日

Material waste represents a significant challenge in aluminum production, where hot dross containing valuable aluminum is generated during melting operations. Modern dross press machines and advanced press equipment have transformed how primary and secondary aluminum plants handle this material, dramatically reducing aluminum loss through efficient mechanical extraction that squeezes liquid aluminum from hot dross while halting oxidation reactions. Understanding Aluminum Dross and the Need for Recovery Aluminum dross forms naturally during melting operations in both primary and secondary aluminum plants. This hot material, with temperatures between 700 and 800 degrees Celsius, consists of liquid aluminum mixed with salts, oxides, and other compounds. The moment dross is skimmed from the furnace, oxidation reactions accelerate as the material contacts air, progressively converting valuable aluminum into aluminum oxide. Without immediate intervention using a hot dross press machine, thi