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  2. Factorio - Wikipedia

    en.wikipedia.org/wiki/Factorio

    Factorio is a construction and management simulation game developed and published by Czech studio Wube Software. The game was announced via an Indiegogo crowdfunding campaign in 2013 and released for Windows , macOS , and Linux on 14 August 2020 following an early access phase, which was made available on 25 February 2016.

  3. Sicilian method - Wikipedia

    en.wikipedia.org/wiki/Sicilian_method

    The semi-pure sulfur flowed down and the solidified mass was collected at a lower level. It was the only industrial method of recovering sulfur from elemental deposits until replaced by the Frasch process. [1] Most of the world's sulfur was obtained this way until the late 19th century. [2] [3] [4]

  4. Sulfur–iodine cycle - Wikipedia

    en.wikipedia.org/wiki/Sulfur–iodine_cycle

    2 H 2 SO 4 2 SO 2 + 2 H 2 O + O 2 (830 °C (1,530 °F)) The water, SO 2 and residual H 2 SO 4 must be separated from the oxygen byproduct by condensation. 2 HI I 2 + H 2 (450 °C (840 °F)) Iodine and any accompanying water or SO 2 are separated by condensation, and the hydrogen product remains as a gas. Net reaction: 2 H 2 O → 2 H 2 + O 2

  5. Blueprint - Wikipedia

    en.wikipedia.org/wiki/Blueprint

    A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [1] The process allowed rapid and accurate production of an unlimited number of copies.

  6. File:Sulfur-Iodine Process.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Sulfur-Iodine_Process.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  7. Whiteprint - Wikipedia

    en.wikipedia.org/wiki/Whiteprint

    The light sensitivity of the chemicals used was known in the 1890s and several related printing processes were patented at that time. Whiteprinting replaced the blueprint process for reproducing architectural and engineering drawings because the process was simpler and involved fewer toxic chemicals. A blue-line print is not permanent and will ...

  8. Frasch process - Wikipedia

    en.wikipedia.org/wiki/Frasch_process

    Sulfur (m.p. 115 °C) melts and flows into the middle tube. Water pressure alone is unable to force the sulfur into the surface due to the molten sulfur's greater density, so hot air is introduced via the innermost tube to froth the sulfur, making it less dense, and pushing it to the surface. [1] The sulfur obtained can be very pure (99.7 - 99.8%).

  9. Sulfur - Wikipedia

    en.wikipedia.org/wiki/Sulfur

    This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. This article is about the chemical element. For other uses, see Sulfur (disambiguation). Chemical element with atomic number 16 (S) Sulfur, 16 S Sulfur Alternative name Sulphur (pre-1992 British spelling) Allotropes see Allotropes of sulfur Appearance Lemon yellow sintered microcrystals ...