# Copper processing - Stage 3 (technology) internal name `copper-mk03` · tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md)) HTML page: https://factorio.kalzumeus.com/tech/copper-mk03/ ## Cost 800 units of (1 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 2 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 3 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 6 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 10 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 120 s each. ## Requires (2) - [Additives](https://factorio.kalzumeus.com/tech/additives.md) - [Heavy oil processing - Stage 2](https://factorio.kalzumeus.com/tech/heavy-oil-mk02.md) ## Leads to (1) - [Copper processing - Stage 4](https://factorio.kalzumeus.com/tech/copper-mk04.md) ## Unlocks (8 recipes) ### Copper pregnant leach solution (`copper-pregnant-solution`) - 4 s · tier 5 - Ingredients: 100 × [Copper pulp (stage 4)](https://factorio.kalzumeus.com/fluid/copper-pulp-04.md), 10 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md), 10 × [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md) - Results: 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 20 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Copper pulp (stage 1) (`copper-pulp-01`) - 4 s · tier 5 - Ingredients: 10 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md), 10 × [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md), 10 × [Grease](https://factorio.kalzumeus.com/fluid/grease.md) - Results: 100 × [Copper pulp (stage 1)](https://factorio.kalzumeus.com/fluid/copper-pulp-01.md), 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 20 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Copper pulp (stage 2) (`copper-pulp-02`) - 4 s · tier 5 - Ingredients: 100 × [Copper pulp (stage 1)](https://factorio.kalzumeus.com/fluid/copper-pulp-01.md), 10 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md), 10 × [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md) - Results: 100 × [Copper pulp (stage 2)](https://factorio.kalzumeus.com/fluid/copper-pulp-02.md), 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 20 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Copper pulp (stage 3) (`copper-pulp-03`) - 4 s · tier 5 - Ingredients: 100 × [Copper pulp (stage 2)](https://factorio.kalzumeus.com/fluid/copper-pulp-02.md), 10 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md), 10 × [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md) - Results: 100 × [Copper pulp (stage 3)](https://factorio.kalzumeus.com/fluid/copper-pulp-03.md), 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 20 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Copper pulp (stage 4) (`copper-pulp-04`) - 4 s · tier 5 - Ingredients: 100 × [Copper pulp (stage 3)](https://factorio.kalzumeus.com/fluid/copper-pulp-03.md), 10 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md), 10 × [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md) - Results: 100 × [Copper pulp (stage 4)](https://factorio.kalzumeus.com/fluid/copper-pulp-04.md), 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 20 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Copper solution (`copper-solution`) - 4 s · tier 5 - Ingredients: 400 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 3 × [Copper (grade 4)](https://factorio.kalzumeus.com/item/grade-4-copper.md), 6 × [Salt](https://factorio.kalzumeus.com/item/salt.md) - Results: 47 × [Copper solution](https://factorio.kalzumeus.com/fluid/copper-solution.md) - Made in: Mixer MK 01, Mixer MK 02, Mixer MK 03, Mixer MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### High grade copper (`high-grade-copper`) - 3 s · tier 5 - Ingredients: 100 × [Copper pregnant leach solution](https://factorio.kalzumeus.com/fluid/copper-pregnant-solution.md) - Results: 1 × [High grade copper](https://factorio.kalzumeus.com/item/high-grade-copper.md), 100 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md) - Made in: Agitator MK 01, Agitator MK 02, Agitator MK 03, Agitator MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md) ### Molten copper (`molten-copper-03`) - 4 s · tier 5 - Ingredients: 1 × [High grade copper](https://factorio.kalzumeus.com/item/high-grade-copper.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md) - Results: 50 × [Molten copper](https://factorio.kalzumeus.com/fluid/molten-copper.md) - Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04 - Unlocked by: [Copper processing - Stage 3](https://factorio.kalzumeus.com/tech/copper-mk03.md)