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Which reagents does a copper-cobalt plant consume, and how much?
Stage-by-stage guide to the reagents of a Copperbelt SX-EW (solvent extraction and electrowinning) plant: sulphuric acid, SMBS, extractant and diluent, lime, MgO, with published consumption figures and sources.
Sulphuric acid in the DRC Copperbelt: why supply is tight and how to secure it
Lime, caustic soda or magnesium oxide: which one to choose for cobalt precipitation?
Importing mining chemicals into the DRC: permits, ARSP subcontracting rules and customs in practice
Durban, Dar es Salaam, Walvis Bay or Lobito: comparing the corridors to Lubumbashi and Kolwezi
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20 September 2026Which reagents does a copper-cobalt plant consume, and how much?
Stage-by-stage guide to the reagents of a Copperbelt SX-EW (solvent extraction and electrowinning) plant: sulphuric acid, SMBS, extractant and diluent, lime, MgO, with published consumption figures and sources.
Sulphuric acid in the DRC Copperbelt: why supply is tight and how to secure it
Zambian export ban, smelter shutdowns, delivered prices of $1,000 to $1,400 per tonne: what happened to acid supply in 2025-2026 and how DRC operators can protect their plants.
Lime, caustic soda or magnesium oxide: which one to choose for cobalt precipitation?
How lime, NaOH and MgO behave in cobalt hydroxide circuits: pH control, impurities, gypsum, filtration, safety and cost per tonne treated, with Copperbelt practice and sources.
Importing mining chemicals into the DRC: permits, ARSP subcontracting rules and customs in practice
Law 17/001, the 51% Congolese-capital rule, ARSP registration and derogations, the January 2026 ban on miners trading reagents, dangerous-goods transport: what a buyer must check before a reagent crosses the border.
Durban, Dar es Salaam, Walvis Bay or Lobito: comparing the corridors to Lubumbashi and Kolwezi
Distances, transit days, cost per tonne and border reliability of the four corridors serving the Copperbelt, with 2025-2026 data on Kasumbalesa queues and the Lobito railway.
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