In March 1971, the practice of returning converter slag to the reverberatory furnaces to recover the contained copper was discontinued.
42.
If the ore contains closer to 50 % antimony by weight, the ore is instead reduced in a reverberatory furnace.
43.
In 1957, a third roaster was added in the copper smelter and the width of the reverberatory furnace was expanded.
44.
Sir Clement Clerke and his son Talbot built cupolas or reverberatory furnaces in the Avon Gorge below Bristol in about 1678.
45.
BRM reported a decrease in the silver content of the BBOC slag compared to the reverberatory furnace slag of 50 %.
46.
There is slag underlying part of the furnace, and it may have been built on top of the first reverberatory furnace slag heap.
47.
The puddling furnace, introduced by Henry Cort in the 1780s to replace the older finery process, was also a variety of reverberatory furnace.
48.
Saga thus began operations at the first Japanese iron refinery in 1849, and made the first use of reverberatory furnaces three years later.
49.
Of particular interest are the reverberatory furnace and the metallurgical converter, although they are currently not accessible by the public due to safety concerns.
50.
The reverberatory furnace feed is added to the furnace through feed holes along the sides of the furnace . and the solid charge is melted.
