COPPER RECOVERY FROM LOW GRADE ORES, CONCENTRATES AND TECHNOGENIC WASTE BY AMMONIA LEACHING - AN OLD IDEA WITH PROMISING FUTURE

COPPER RECOVERY FROM LOW GRADE ORES, CONCENTRATES AND TECHNOGENIC WASTE BY AMMONIA LEACHING - AN OLD IDEA WITH PROMISING FUTURE

Authors

  • Marinela Panayotova UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.
  • Vladko Panayotov UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.

DOI:

https://doi.org/10.46687/jsar.v11i1.210

Keywords:

ammonia leaching of copper, copper hydrometallurgy, solvent extraction from ammonia PLS

Abstract

Sustainable development of the society and our everyday life increasingly needs copper. To meet this demand impoverished ores, low-grade concentrates and technogenic waste have to be processed. For these raw materials the classical route ''mineral processing - pyrometallurgy'' is inapplicable and / or unprofitable. Leaching followed by recovery from the obtained solutions is increasing being applied worldwide. Ammonia leaching is progressively finding its use, especially when ores are carbonaceous and / or oxidized. The paper presents development of ammonia leaching and its nowadays application for copper recovery, including leaching technological conditions, leaching kinetics and means for copper recovery from pregnant leach solutions with an emphasis on solvent extraction and the latest development in the area.

Author Biographies

Marinela Panayotova, UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.

UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.

Vladko Panayotov, UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.

UNIVERSITY OF MINING AND GEOLOGY, SOFIA 1700,'' BOYAN KAMENOV'' STR. 1.

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Published

19.03.2023

How to Cite

Panayotova, M. ., & Panayotov, V. . (2023). COPPER RECOVERY FROM LOW GRADE ORES, CONCENTRATES AND TECHNOGENIC WASTE BY AMMONIA LEACHING - AN OLD IDEA WITH PROMISING FUTURE: COPPER RECOVERY FROM LOW GRADE ORES, CONCENTRATES AND TECHNOGENIC WASTE BY AMMONIA LEACHING - AN OLD IDEA WITH PROMISING FUTURE. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, 11(1), 10–34. https://doi.org/10.46687/jsar.v11i1.210

Issue

Vol. 11 No. 1 (2017): Journal Scientific and Applied Research

Section

Technical Sciences

License

Copyright (c) 2023 JOURNAL SCIENTIFIC AND APPLIED RESEARCH

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