Effect of the foaming performance of ammonium dibutyl dithiophosphate on the flotation of slime-containing copper sulfide ore

• Autorzy: Deng Rongdong , Duan Wenting , Wang Yi , Hu Yuan

Identyfikatory

DOI

10.37190/ppmp/153492

• Języki publikacji: EN

Abstrakty

EN

The use of ammonium dibutyl dithiophosphate (ADD) as a collector in the flotation of slimecontaining copper sulfide ore typically produces a sticky froth, which results in poor flotation. The mechanism and effects of copper sulfide ore flotation in synergistic systems comprising ADD and terpenic oil reagents have been systematically investigated to solve this problem. A high ratio of ADD to terpenic oil is not conducive to the flotation of fine-grained copper sulfide ores; however, adjusting this ratio may improve floatation by reducing the effect of the slime. Lowering the ratio from 5:1 to 1:1 increased the copper grade from 17.7% to 20.8%, while the recovery was largely unchanged. Notably, adjusting this ratio also reduced the cost of the flotation reagent. To study the mechanism by which the ADD–to–terpenic oil ratio affects the foam performance, the froth stability tests of the gas–liquid twophase and gas–liquid–solid three-phase systems were performed. Reducing the proportion of ADD reduced the froth water content and weakened the ability of the froth to collect gangue by adsorbtion with copper ions; this reduced gangue entrainment and maximized recovery and product quality.

Słowa kluczowe

EN

ammonium dibutyl dithiophosphate; terpenic oil; foaming property; froth flotation; slime

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 6
• Strony: art. no. 153492
• Opis fizyczny: Bibliogr. 25 poz., rys.

Twórcy

autor

Deng Rongdong

• Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China

autor

Duan Wenting

• Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China

autor

Wang Yi

• Zijin School of Geology and Mining, Fuzhou University, Fuzhou 350108, China

autor

Hu Yuan

• School of chemical engineering, Fuzhou University, Fuzhou 350108, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).