# Flue gas Pyanodons fluid · internal name `flue-gas` · first craftable in tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md)) HTML page: https://factorio.kalzumeus.com/fluid/flue-gas/ ## Produced by (18 recipes) ### Flue gas (`flue-gas-1`) - 2 s · tier 1 - Ingredients: 10 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md) - Results: 150 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Composting](https://factorio.kalzumeus.com/tech/compost.md) ### Flue gas (`flue-gas-3`) - 2 s · tier 1 - Ingredients: 10 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md) - Results: 200 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Composting](https://factorio.kalzumeus.com/tech/compost.md) ### Flue gas (`flue-gas-2`) - 3 s · tier 2 - Ingredients: 10 × [Ash](https://factorio.kalzumeus.com/item/ash.md), 50 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md) - Results: 150 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Filtration](https://factorio.kalzumeus.com/tech/filtration.md) ### Flue gas (`outlet-gas-04-breakdown`) - 3 s · tier 5 - Ingredients: 100 × [Outlet gas (stage 4)](https://factorio.kalzumeus.com/fluid/outlet-gas-04.md), 50 × [Light oil](https://factorio.kalzumeus.com/fluid/light-oil.md) - Results: 1000 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Wet scrubber MK 01, Wet scrubber MK 02, Wet scrubber MK 03, Wet scrubber MK 04 - Unlocked by: [Coke processing - Stage 3](https://factorio.kalzumeus.com/tech/coke-mk03.md) ### Carbon dioxide (`tar-distilation`) - 2.5 s · tier 0 - Ingredients: 350 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md) - Results: 500 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 100 × [Carbon dioxide](https://factorio.kalzumeus.com/fluid/carbon-dioxide.md), 100 × [Aromatics](https://factorio.kalzumeus.com/fluid/aromatics.md), 1 × [Rich clay](https://factorio.kalzumeus.com/item/rich-clay.md) - Made in: Destructive distillation column MK 01, Destructive distillation column MK 02, Destructive distillation column MK 03, Destructive distillation column MK 04 - Unlocked by: [Tar processing](https://factorio.kalzumeus.com/tech/tar-processing.md) ### Tar quenching (`tar-quenching`) - 2 s · tier 0 - Ingredients: 500 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md), 500 × [Water](https://factorio.kalzumeus.com/fluid/water.md) - Results: 500 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 150 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 250 × [Saline water](https://factorio.kalzumeus.com/fluid/water-saline.md), 2 × [Soot](https://factorio.kalzumeus.com/item/soot.md) - Made in: Quenching Tower MK 01, Quenching tower MK 02, Quenching tower MK 03, Quenching tower MK 04 - Unlocked by: [Tar processing](https://factorio.kalzumeus.com/tech/tar-processing.md) ### Acid gas (`coalbed-gas-to-acidgas`) - 4 s · tier 2 - Ingredients: 200 × [Coalbed gas](https://factorio.kalzumeus.com/fluid/coalbed-gas.md), 250 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md) - Results: 150 × [Acid gas](https://factorio.kalzumeus.com/fluid/acidgas.md), 900 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Petroleum gas processing - Stage 1](https://factorio.kalzumeus.com/tech/petroleum-gas-mk01.md) ### Molten steel (`molten-steel`) - 4 s · tier 2 - Ingredients: 10 × [Coke](https://factorio.kalzumeus.com/item/coke.md), 50 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 100 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md) - Results: 50 × [Molten steel](https://factorio.kalzumeus.com/fluid/molten-steel.md), 500 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.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: [Steel - Stage 2](https://factorio.kalzumeus.com/tech/steel-mk02.md) ### Purified syngas (`quenching-dirty-syngas`) - 24 s · tier 2 - Ingredients: 400 × [Dirty syngas](https://factorio.kalzumeus.com/fluid/dirty-syngas.md), 1 × [Filtration media](https://factorio.kalzumeus.com/item/filtration-media.md), 1600 × [Water](https://factorio.kalzumeus.com/fluid/water.md) - Results: 400 × [Purified syngas](https://factorio.kalzumeus.com/fluid/purified-syngas.md), 4000 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 8 × [Soot](https://factorio.kalzumeus.com/item/soot.md) - Made in: Quenching Tower MK 01, Quenching tower MK 02, Quenching tower MK 03, Quenching tower MK 04 - Unlocked by: [Oil sands extraction](https://factorio.kalzumeus.com/tech/oil-sands.md) ### Syngas (`natural-gas-to-syngas`) - 8 s · tier 2 - Ingredients: 100 × [Natural gas](https://factorio.kalzumeus.com/fluid/natural-gas.md) - Results: 50 × [Syngas](https://factorio.kalzumeus.com/fluid/syngas.md), 200 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Petroleum gas processing - Stage 1](https://factorio.kalzumeus.com/tech/petroleum-gas-mk01.md) ### Syngas (`quench-ovengas`) - 4 s · tier 2 - Ingredients: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 100 × [Coke oven gas](https://factorio.kalzumeus.com/fluid/coke-oven-gas.md) - Results: 1000 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 100 × [Syngas](https://factorio.kalzumeus.com/fluid/syngas.md) - Made in: Quenching Tower MK 01, Quenching tower MK 02, Quenching tower MK 03, Quenching tower MK 04 - Unlocked by: [Coke processing - Stage 2](https://factorio.kalzumeus.com/tech/coke-mk02.md) ### Vanadium pulp (stage 1) (`vanadium-pulp-3-void`) - 5 s · tier 2 · productivity modules allowed - Ingredients: 100 × [Vanadium pulp (stage 3)](https://factorio.kalzumeus.com/fluid/vpulp3.md), 50 × [Coalbed gas](https://factorio.kalzumeus.com/fluid/coalbed-gas.md) - Results: 50 × [Vanadium pulp (stage 1)](https://factorio.kalzumeus.com/fluid/vpulp1.md), 50 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Agitator MK 01, Agitator MK 02, Agitator MK 03, Agitator MK 04 - Unlocked by: [Vanadium processing](https://factorio.kalzumeus.com/tech/vanadium-processing.md) ### Silicon wafer (`silicon-wafer`) - 8 s · tier 4 · productivity modules allowed - Ingredients: 5 × [Electronic Grade Silicon](https://factorio.kalzumeus.com/item/eg-si.md), 3 × [Graphite](https://factorio.kalzumeus.com/item/graphite.md), 2 × [Crushed quartz](https://factorio.kalzumeus.com/item/crushed-quartz.md), 1 × [Aramid fiber](https://factorio.kalzumeus.com/item/aramid.md) - Results: 100 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 2 × [Silicon wafer](https://factorio.kalzumeus.com/item/silicon-wafer.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 - Unlocked by: [Semiconductor doping](https://factorio.kalzumeus.com/tech/semiconductor-doping.md) ### Light oil (`scrubber-outletgas4`) - 4 s · tier 5 - Ingredients: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 100 × [Outlet gas (stage 2)](https://factorio.kalzumeus.com/fluid/outlet-gas-02.md) - Results: 1000 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 150 × [Light oil](https://factorio.kalzumeus.com/fluid/light-oil.md) - Made in: Light oil refinery MK 01, Light oil refinery MK 02, Light oil refinery MK 03, Light oil refinery MK 04 - Unlocked by: [Coke processing - Stage 3](https://factorio.kalzumeus.com/tech/coke-mk03.md) ### Refined syngas (`refined-natural-gas-to-refsyngas`) - 8 s · tier 5 - Ingredients: 100 × [Refined natural gas](https://factorio.kalzumeus.com/fluid/refined-natural-gas.md), 1 × [Chromium](https://factorio.kalzumeus.com/item/chromium.md) - Results: 50 × [Refined syngas](https://factorio.kalzumeus.com/fluid/refsyngas.md), 500 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Gas refinery MK 01, Gas refinery MK 02, Gas refinery MK 03, Gas refinery MK 04 - Unlocked by: [Petroleum gas processing - Stage 2](https://factorio.kalzumeus.com/tech/petroleum-gas-mk02.md) ### Refined syngas (`scrubber-outletgas2`) - 4 s · tier 5 - Ingredients: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 100 × [Outlet gas (stage 2)](https://factorio.kalzumeus.com/fluid/outlet-gas-02.md) - Results: 1000 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 150 × [Refined syngas](https://factorio.kalzumeus.com/fluid/refsyngas.md) - Made in: Wet scrubber MK 01, Wet scrubber MK 02, Wet scrubber MK 03, Wet scrubber MK 04 - Unlocked by: [Coke processing - Stage 3](https://factorio.kalzumeus.com/tech/coke-mk03.md) ### Split heavy oil from oleochemicals (`oleo-heavy`) - 3 s · tier 5 · productivity modules allowed - Ingredients: 100 × [Oleochemicals](https://factorio.kalzumeus.com/fluid/oleochemicals.md), 200 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md) - Results: 150 × [Heavy oil](https://factorio.kalzumeus.com/fluid/heavy-oil.md), 500 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 5 × [Sulfur](https://factorio.kalzumeus.com/item/sulfur.md) - Made in: Fluid Separator MK 01, Fluid separator MK 02, Fluid separator MK 03, Fluid separator MK 04 - Unlocked by: [Heavy oil processing - Stage 2](https://factorio.kalzumeus.com/tech/heavy-oil-mk02.md) ### Sponge iron (`sponge-iron`) - 5 s · tier 7 - Ingredients: 10 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 2 × [Sodium sulfate](https://factorio.kalzumeus.com/item/sodium-sulfate.md), 100 × [Light oil](https://factorio.kalzumeus.com/fluid/light-oil.md), 100 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md) - Results: 1 × [Sponge iron](https://factorio.kalzumeus.com/item/sponge-iron.md), 400 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md) - Made in: Direct reduction plant - Unlocked by: [Steel - Stage 3](https://factorio.kalzumeus.com/tech/steel-mk03.md) ## Used in (23 recipes) - Acid gas (`acidgas-2`, tier 2) → [Acid gas](https://factorio.kalzumeus.com/fluid/acidgas.md) - Filter flue gas (`fluegas-filtration`, tier 2) → [Ash](https://factorio.kalzumeus.com/item/ash.md) - Syngas (`fluegas-to-syngas`, tier 2) → [Syngas](https://factorio.kalzumeus.com/fluid/syngas.md) - Logo (`py-logo-15tiles`, tier 4) → [Logo](https://factorio.kalzumeus.com/item/py-logo-15tiles.md) - Ralesias MK 02 (`ralesia-mk02-breeder`, tier 4) → [Ralesias MK 02](https://factorio.kalzumeus.com/item/ralesia-mk02.md) - Phytoplankton (`phytoplankton-3`, tier 5) → [Phytoplankton](https://factorio.kalzumeus.com/fluid/phytoplankton.md) - Kicalk (`kicalk-4`, tier 6) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Ralesia (`ralesia-3`, tier 6) → [Ralesia](https://factorio.kalzumeus.com/item/ralesia.md) - Phytoplankton (`phytoplankton-2`, tier 7) → [Phytoplankton](https://factorio.kalzumeus.com/fluid/phytoplankton.md) - Grod (`grod-4`, tier 8) → [Grod](https://factorio.kalzumeus.com/item/grod.md) - Kicalk (`kicalk-5`, tier 8) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Ralesia (`ralesia-4`, tier 8) → [Ralesia](https://factorio.kalzumeus.com/item/ralesia.md) - Dried kicalk (`kicalk-4-dry`, tier ?) → [Dried kicalk](https://factorio.kalzumeus.com/item/kicalk-dry.md) - Dried kicalk (`kicalk-5-dry`, tier ?) → [Dried kicalk](https://factorio.kalzumeus.com/item/kicalk-dry.md) - Grod (`grod-4-dry`, tier ?) → [Grod](https://factorio.kalzumeus.com/item/grod.md) - Grod (`grod-4-pressured`, tier ?) → [Grod](https://factorio.kalzumeus.com/item/grod.md) - Helium (`ralesia-3-hydrogen-burn`, tier ?) → [Helium](https://factorio.kalzumeus.com/fluid/helium.md) - Helium (`ralesia-4-hydrogen-burn`, tier ?) → [Helium](https://factorio.kalzumeus.com/fluid/helium.md) - Kicalk (`kicalk-4-rotation`, tier ?) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Kicalk (`kicalk-4-saline`, tier ?) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Kicalk (`kicalk-5-rotation`, tier ?) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Kicalk (`kicalk-5-saline`, tier ?) → [Kicalk](https://factorio.kalzumeus.com/item/kicalk.md) - Saddle (`saddle`, tier ?) → [Saddle](https://factorio.kalzumeus.com/item/saddle.md)