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The Testing Results of ACORGA, LIX Extractants and CR60 Crud Mitigation Reagent Influence during SX-EW Copper Extraction

Author

Listed:
  • Tatyana Chepushtanova

    (Metallurgical Process, Heat Engineering and Technology of Special Materials Department, Satbayev University, Almaty 050013, Kazakhstan)

  • Meiyrbek Yessirkegenov

    (Metallurgical Process, Heat Engineering and Technology of Special Materials Department, Satbayev University, Almaty 050013, Kazakhstan)

  • Yelena Bochevskaya

    (JSC Institute of Fuel, Catalysis and Electrochemistry Named after. D.V. Sokolsky, Sector of Rare Trace Elements, Almaty 050010, Kazakhstan)

  • Ainash Sharipova

    (JSC Institute of Fuel, Catalysis and Electrochemistry Named after. D.V. Sokolsky, Sector of Rare Trace Elements, Almaty 050010, Kazakhstan)

  • Omirserik Baigenzhenov

    (Metallurgical Process, Heat Engineering and Technology of Special Materials Department, Satbayev University, Almaty 050013, Kazakhstan)

  • Yerik Merkibayev

    (Metallurgical Process, Heat Engineering and Technology of Special Materials Department, Satbayev University, Almaty 050013, Kazakhstan)

  • Aliya Altmyshbayeva

    (Metallurgical Process, Heat Engineering and Technology of Special Materials Department, Satbayev University, Almaty 050013, Kazakhstan)

Abstract

Research analysis reveals factors influencing third-phase crud formation and composition during metal extraction, including solution composition, solid suspensions, organic compounds, colloidal compounds (e.g., silicic acid), and extractant purity. Compositional analysis of copper-containing sulfuric acid solutions (1.25 g/dm 3 copper) identifies principal sulfate-forming components. Copper extraction was studied using extractants LIX 984N, ACORGA M5774, and M5640 at different ratios of the organic phase to the aqueous O:A (from 1:2 to 1:10). Suppressive impact of 10 vol.% CR60 additive on third-phase crud formation during copper extraction with LIX 984N, ACORGA M5774, and M5640 is analyzed, with ACORGA M5774 being the most effective. Physicochemical analysis characterizes CR60’s active substance as poly(sodium 4-styrenesulfonate) with steel-suppression properties, and its structural formula is determined. Optimal copper extraction conditions establish ACORGA M5640’s 24% efficiency, followed by ACORGA M5774 at 15%. CR60 reduces crud formation, with 5 cm 3 of ACORGA CR60 added to sulfuric acid solution reducing interfacial crud formation by 2–3 times. Optimal extraction parameters include 1:2 O:A ratio, 20 ± 5 °C temperature, 5 cm 3 CR60 additive, 5 min process duration, and 1-day settling time. ACORGA M5774 (10 vol.% in kerosene) is recommended as an extractant, with 2–3 stages of countercurrent extraction.

Suggested Citation

  • Tatyana Chepushtanova & Meiyrbek Yessirkegenov & Yelena Bochevskaya & Ainash Sharipova & Omirserik Baigenzhenov & Yerik Merkibayev & Aliya Altmyshbayeva, 2024. "The Testing Results of ACORGA, LIX Extractants and CR60 Crud Mitigation Reagent Influence during SX-EW Copper Extraction," Sustainability, MDPI, vol. 16(17), pages 1-17, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:17:p:7815-:d:1473664
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