Rhaom at 19:08, 31 December 2025

2025-12-31T19:08:23Z

Snoerr: /* Ecological Impact */

2021-09-03T21:33:57Z

Ecological Impact

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{{Building
| name = Persephone Furnace
| image = Persephone.png
| location = [[requires::Medium Construction Site]]
| size =
| requirements =
* [[requires::Mining 3]]
| material1 = [[requires::Aluminum Plate]]
| qty1 = 1
| material2 = [[requires::Boards]]
| qty2 = 2500
| material3 = [[requires::Clay Bricks]]
| qty3 = 2500
| material4 = [[requires::Copper Pipe]]
| qty4 = 20
| material5 = [[requires::Copper Sheeting]]
| qty5 = 50
| material6 = [[requires::Crucibles]]
| qty6 = 15
| material7 = [[requires::Cut Stone]]
| qty7 = 250
| material8 = [[requires::Fine Glass Pipe]]
| qty8 = 20
| material9 = [[requires::Gypsum]]
| qty9 = 500
| material10 = [[requires::Iron Bars]]
| qty10 = 40
| material11 = [[requires::Iron Strap]]
| qty11 = 40
| material12 = [[requires::Lime]]
| qty12 = 200
| material13 = [[requires::Pulley]]
| qty13 = 10
| material14 = [[requires::Steel Sheeting]]
| qty14 = 150
| material15 = [[requires::Thermometer]]
| qty15 = 10
| material16 = [[requires::Tin Sheeting]]
| qty16 = 10
| material17 = [[requires::Water]]
| qty17 = 2000
}}

==Sources==
This building becomes available after the [[Mining 3]] technology is learned at a [[University of Natural Philosophy]] and {{RequireSkill | Mining | 3}} skill.

Compare all [[Furnace]]s.

==Cost ==
* {{Require | 1 | Aluminum Plate}}
* {{Require | 2500 | Boards}}
* {{Require | 2500 | Clay Bricks}}
* {{Require | 20 | Copper Pipe}}
* {{Require | 50 | Copper Sheeting}}
* {{Require | 15 | Crucibles}}
* {{Require | 250 | Cut Stone}}
* {{Require | 20 | Fine Glass Pipe}}
* {{Require | 500 | Gypsum}}
* {{Require | 40 | Iron Bars}}
* {{Require | 40 | Iron Strap}}
* {{Require | 200 | Lime}}
* {{Require | 10 | Pulley}}
* {{Require | 150 | Steel Sheeting}}
* {{Require | 10 | Thermometer}}
* {{Require | 10 | Tin Sheeting}}
* {{Require | 2000 | Water}}

Built in a [[Medium Construction Site]].

== Use ==
*Smelt all known [[Ore]] into
** [[produces::Aluminum]]
** [[produces::Antimony]]
** [[produces::Cobalt]]
** [[produces::Copper]]
** [[produces::Gold]]
** [[produces::Iron]]
** [[produces::Lead]]
** [[produces::Magnesium]]
** [[produces::Nickel]]
** [[produces::Platinum]]
** [[produces::Tin]]
** [[produces::Zinc]]
* Uses [[Petroleum]] for fuel.

== Construction ==

To construct, place a [[Medium Construction Site]] at the desired location, then select Projects > Furnaces > Persephone Furnace.

It must be built 65 or more coordinates away from any other Persephone Furnace or [[Hades Furnace]].
* If there is a Persephone Furnace or [[Hades Furnace]] up to 64 coordinates away, you will get a dialog box, "You must locate any water cooled furnace at least 64 coordinates from any other".
* Has to be '''65''' or more coords away in both north–south coordinate '''AND''' east-west coordinate

It must be built near a water source and away from a road
* If there is no water nearby, or if you construct too close to a road, you will get a dialog box, "Persephone Furnaces are cooled with water, and must be built near a natural source, and away from paths."
* A Water icon does not necessarily meet the requirements, and equally you can build where you don't get a water icon.

To prevent attempting to circumvent the distance restriction by constructing two furnaces at the same time or by repositioning it after construction, every time you fire a Persephone Furnace or [[Hades Furnace]] a check is made for any furnaces nearby. If there is another furnace 64 coords or less away, ALL affected furnaces will display in the main channel <Font color=blue>Operating a water cooled furnace too close to another causes it to become unstable. It will not operate</FONT> when attempting to fire it.

== Ecological Impact ==
Persephone furnaces have been observed creating a small amount of heavy metal pollution upon opening with a radius of 64 coordinates. This was observed with multiple types of metal in the furnace. This differs from prior tale observations, where persephone furnaces were considered to have no ecological impact.

== Yield ==

Burns 28 petrol per day (28 ticks per day)

{| border="1"
! Ore Used!! Petrol Used !! Metal Yield !! Time opened !! Ore Cost/Metal !! Metal per Fuel
|-
| 20,000 || 9 || 580 || 8 hours || ||
|-
| 20000
| 28
| 1340
| 24 hours (1 day )
| 14.93
| 47.85
|-
| 20000
| 56
| 2000
| 48 hours (2 days)
| 10.00
| 35.71
|-
| 20000
| 84
| 2400
| 72 hours (3 days)
| 8.33
| 28.57
|-
| 20000
| 140
| 2860
| 120 hours (5 days)
| 6.99
| 20.42
|-
| 20000
| 224
| 3200
| 192 hours (8 days)
| 6.25
| 14.28
|-
| 20000
| 450
| 3560
| 385 hours(16 days and 1 hour)
| ~5.618
| 7.9
|-
|| 20,000 || 1,000 || 3,780 || 35 days, 17 hours, 8 minutes, 35 seconds || ||
|}

Lower Ore gives a proportional reduction in metal, but take the same amount of time. 2,000 ore using 28 petroleum yields 134 metal after 1 day.

20,000 Ore will increase metal in steps of 20.

{{MetalworkNav | Furnaces}}

[[Category:Buildings]]
[[Category:Furnaces]]

{{L|en}}

@@ Line 2: / Line 2: @@
 | name         = Persephone Furnace
 | image        = Persephone.png
-| location     = [[requires::Medium Construction Site]]
+| location     = [[where::Medium Construction Site]]
 | size         =
 | requirements =

Persephone Furnace - Revision history

Rhaom at 19:08, 31 December 2025

Snoerr: /* Ecological Impact */