# Separation (technology)

internal name `separation` · tier 1 (pY science pack 1, [tier 1](https://factorio.kalzumeus.com/tier/1.md))
HTML page: https://factorio.kalzumeus.com/tech/separation/

## Cost

80 units of (1 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 2 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 45 s each.

## Requires (1)

- [Intermetallics - Stage 1](https://factorio.kalzumeus.com/tech/intermetallics-mk01.md)

## Leads to (2)

- [Fertilizer - Stage 1](https://factorio.kalzumeus.com/tech/fertilizer-mk01.md)
- [Fish - Stage 1](https://factorio.kalzumeus.com/tech/fish-mk01.md)

## Unlocks (4 recipes)

### Classifier MK 01 (`classifier`)

- 1 s · tier 1
- Ingredients: 2 × [Steam engine](https://factorio.kalzumeus.com/item/steam-engine.md), 10 × [Simple circuit board](https://factorio.kalzumeus.com/item/electronic-circuit.md), 30 × [Transport belt](https://factorio.kalzumeus.com/item/transport-belt.md), 20 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 50 × [Small parts](https://factorio.kalzumeus.com/item/small-parts-01.md), 3 × [Intermetallics](https://factorio.kalzumeus.com/item/intermetallics.md)
- Results: 1 × [Classifier MK 01](https://factorio.kalzumeus.com/item/classifier.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)

### Coarse classification (`coarse-classification`)

- 1 s · tier 1 · productivity modules allowed
- Ingredients: 20 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md)
- Results: 5 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 2 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 4 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md)
- Made in: Classifier MK 01, Classifier MK 01 (Legacy), Classifier MK 02, Classifier MK 02 (Legacy), Classifier MK 03, Classifier MK 03 (Legacy), Classifier MK 04, Classifier MK 04 (Legacy)
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)

### Gravel (`sand-classification`)

- 1 s · tier 1 · productivity modules allowed
- Ingredients: 20 × [Sand](https://factorio.kalzumeus.com/item/sand.md)
- Results: 0.5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (50% chance), 4 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md), 0.05 × [Crushed quartz](https://factorio.kalzumeus.com/item/crushed-quartz.md) (5% chance)
- Made in: Classifier MK 01, Classifier MK 01 (Legacy), Classifier MK 02, Classifier MK 02 (Legacy), Classifier MK 03, Classifier MK 03 (Legacy), Classifier MK 04, Classifier MK 04 (Legacy)
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)

### Sand (`soil-separation-2`)

- 3 s · tier 1 · productivity modules allowed
- Ingredients: 20 × [Soil](https://factorio.kalzumeus.com/item/soil.md)
- Results: 13 × [Sand](https://factorio.kalzumeus.com/item/sand.md), 3 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md), 2 × [Limestone](https://factorio.kalzumeus.com/item/limestone.md), 3 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)