| 11. | Throughout the rest of the world the Solvay process remains the major source of soda ash.
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| 12. | Sodium carbonate can be mined from this source cheaper than it can be produced by the Solvay process.
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| 13. | Soon, Solvay process plants were established in the United Kingdom, the United States, Germany and Austria.
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| 14. | Solvay Process Plant in Solvay, New York; the Erie Canal passed through this plant until about 1917.
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| 15. | The process, however, is now obsolete and is superseded by the extremely profitable and convenient Solvay process.
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| 16. | The Syracuse Solvay Process Company plant closed permanently in 1985 and no such plants now operate in North America.
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| 17. | However, throughout the rest of the world, the Solvay process remains the main source of soda ash.
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| 18. | That same year, the Solvay Process Company began extracting potash from subsurface brines of the Salduro Salt Marsh.
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| 19. | In 1920, the Solvay Process Company merged with four other chemical companies, forming Allied Chemical and Dye Corporation.
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| 20. | In the early 20th century the Leblanc process was effectively replaced by the Solvay process, which did not produce HCl.
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