| 21. | In recent centuries, reverberatory furnaces have been used.
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| 22. | The liquor is separated from the precipitate and evaporated using waste heat from the reverberatory furnace.
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| 23. | This accretion formation limits the quantity of converter slag that can be treated in a reverberatory furnace.
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| 24. | The single reverberatory furnace was used to calcine the tin concentrates and drive of arsenic and sulphur.
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| 25. | In addition, flash smelting technologies had been developed in earlier years and began to replace reverberatory furnaces.
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| 26. | One of the first areas investigated was the use of oxygen-enriched blast air in the reverberatory furnace.
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| 27. | The remains of the reverberatory furnaces are in an advanced state of decay and are mostly collapsed.
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| 28. | Replacement of reverberatory furnace smelting by flash smelting, related to the number of copper smelters using this technology.
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| 29. | When the reverberatory furnaces were completed in 1903 it appears that smelting commenced and continued through to 1908.
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| 30. | The reverberatory furnaces were replaced with a single BBOC with a charge capacity of 6 t of feed.
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