Boiler (Gas)
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| Construction |  50 |
| Workers |  6 |
| Electricity | None |
| Maintenance | None |
| Footprint | 5x4 |
| Required Research | Gas Combustion |
| Boost by Unity | Available |
| Designation | Water Extraction & Processing  |
| Variants | Boiler (Coal) Boiler (Electric) |
The Boiler (Gas) is a machine which creates Steam (High) from Water using a variety of petrochemical fuel sources. This machine is most commonly used in the early game to reduce the consumption of Coal by replacing Boiler (Coal) units and instead burning Heavy Oil, Naphtha, though there are additional options available with Medium Oil, Light Oil, and Fuel Gas. In the mid-game, the machine is commonly seen in conjunction with petrochemical processing chains unlocked by the Advanced Diesel research.
It can also provide power from the burning of Hydrogen sourced either from the breakdown of Ammonia in an Electrolyzer or alternatively the splitting of Water in the same. It should be noted that the latter method is a vastly inefficient power source and is net energy negative, but does create small amounts of Water as a byproduct if both Low-pressure Turbines and Cooling Towers are used to recover the Steam Depleted.
Role in mid-game petrochemical chains
Any Fuel Gas remaining from conversion to Diesel in the Cracking Unit and any Naphtha left over from the production of Rubber in the Rubber Maker need to be removed to prevent the refining system from idling when either output is full. Both products are typically diverted to generate Electricity using this machine (via Steam (High) and High-Pressure Turbine). Flaring is an alternative disposal method for these byproducts. Flaring produces the same amount of Air Pollution per unit input as this machine, however it will not produce Steam (High) for use in refining, power generation, etc.
Recipes
Below are all the recipes, which this building is capable of producing. Note, that some of them may be locked behind Research, and not immediately available in your game.
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 General Machines |
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| Water Extraction & Processing |
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 Food Production |
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 Metallurgy & Smelting |
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 Power Production |
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 Crude Oil Refining |
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 Waste Management |
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 Transports |
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 Storage |
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 Buildings |
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 Buildings (For Vehicles) |
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 Housing & Services |
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 Cargo Docks |
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 Landmarks |
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| Planned or Proposed | |
| * Only available in the Supporter Edition | |
