# Electrolysis (technology)

internal name `electrolysis` · tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md))
HTML page: https://factorio.kalzumeus.com/tech/electrolysis/

## Cost

65 units of (1 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 30 s each.

## Requires (1)

- [Electronics - Stage 1](https://factorio.kalzumeus.com/tech/electronics.md)

## Leads to (5)

- [Antimony processing - Stage 1](https://factorio.kalzumeus.com/tech/antimony-mk01.md)
- [Boron](https://factorio.kalzumeus.com/tech/boron.md)
- [Cellulose - Stage 1](https://factorio.kalzumeus.com/tech/cellulose-mk01.md)
- [Rocket fuel](https://factorio.kalzumeus.com/tech/rocket-fuel.md)
- [Shale oil development](https://factorio.kalzumeus.com/tech/scrude.md)

## Unlocks (5 recipes)

### Iron oxide (`chloride-void-iron-oxide`)

- 2 s · tier 0 · productivity modules allowed
- Ingredients: 60 × [Chlorine](https://factorio.kalzumeus.com/fluid/chlorine.md), 1 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Results: 1 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)

### Salt water electrolysis (`chlorine`)

- 2 s · tier 0
- Ingredients: 100 × [Saline water](https://factorio.kalzumeus.com/fluid/water-saline.md)
- Results: 20 × [Chlorine](https://factorio.kalzumeus.com/fluid/chlorine.md), 20 × [Hydrogen](https://factorio.kalzumeus.com/fluid/hydrogen.md), 2 × [Sodium hydroxide](https://factorio.kalzumeus.com/item/sodium-hydroxide.md)
- Made in: Electrolyzer MK 01, Electrolyzer MK 02, Electrolyzer MK 03, Electrolyzer MK 04
- Unlocked by: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)

### Electrolyzer MK 01 (`electrolyzer-mk01`)

- 2 s · tier 0
- Ingredients: 2 × [Lab](https://factorio.kalzumeus.com/item/lab.md), 30 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 1 × [Tar processing unit MK 01](https://factorio.kalzumeus.com/item/tar-processing-unit.md), 3 × [Steam engine](https://factorio.kalzumeus.com/item/steam-engine.md), 5 × [Simple circuit board](https://factorio.kalzumeus.com/item/electronic-circuit.md), 10 × [Small parts](https://factorio.kalzumeus.com/item/small-parts-01.md)
- Results: 1 × [Electrolyzer MK 01](https://factorio.kalzumeus.com/item/electrolyzer-mk01.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: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)

### Water (`muddy-sludge-void-electrolyzer`)

- 3 s · tier 0 · productivity modules allowed
- Ingredients: 100 × [Muddy sludge](https://factorio.kalzumeus.com/fluid/muddy-sludge.md)
- Results: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 10 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md), 5 × [Soil](https://factorio.kalzumeus.com/item/soil.md)
- Made in: Electrolyzer MK 01, Electrolyzer MK 02, Electrolyzer MK 03, Electrolyzer MK 04
- Unlocked by: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)

### Saline water (`sodium-hydroxide-void`)

- 5 s · tier 0 · productivity modules allowed
- Ingredients: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 10 × [Sodium hydroxide](https://factorio.kalzumeus.com/item/sodium-hydroxide.md)
- Results: 100 × [Saline water](https://factorio.kalzumeus.com/fluid/water-saline.md)
- Made in: Washer MK 01, Washer MK 02, Washer MK 03, Washer MK 04
- Unlocked by: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)