smelter
noun
smelt·er ˈsmel-tər 
: one that smelts:
a
: a worker who smelts ore
b
: an owner or operator of a smeltery
c
or smeltery
ˈsmel-t(ə-)rē
: an establishment for smelting 
Example Sentences
Recent Examples on the Web Gas, however, remains the key fuel for many of its processes and cannot be replaced in the short term, including for some of the work at its Hamburg smelter where more than 2,000 workers produce wires, cathodes and precious metals. 
Matthew Dalton, WSJ, 10 July 2022 Totten Mine is part of the company’s century-long presence in Sudbury that includes five mines, a mill, a smelter and a refinery that produce nearly 65,000 metric tons of nickel a year. Téa Kvetenadze, Forbes, 27 Sep. 2021 Saskia Duyvesteyn, chief adviser for research and development for copper at Rio Tinto, said Kennecott’s smelter produces 99% pure copper that goes to its refinery to be further refined to 99.99% purity. Tim Fitzpatrick, The Salt Lake Tribune, 12 May 2022 In India, Hindalco plans to expand its Aditya Mahan smelter by 50,000 tons by March 2024. Swansy Afonso, Bloomberg.com, 30 Mar. 2022 In the 1910s and 1920s, dozens of trains would chug through Ely around the clock, taking raw ore to the smelter at McGill. Washington Post, 15 Apr. 2022 Across the road in Rockdale, at the old Alcoa smelter site, stands a mine owned by Bitdeer of Singapore. Shawn Tully, Fortune, 11 Feb. 2022 European power climbed to a fresh record as France faces a winter crunch, spurring the region’s top aluminum smelter to curb output. James Freeman, WSJ, 22 Dec. 2021 Aluminum surged to a 13-year high in London as booming demand and a swath of smelter closures from China to Europe brings the risk of shortages of the crucial industrial metal. BostonGlobe.com, 8 Feb. 2022 See More
Matthew Dalton, WSJ, 10 July 2022 Totten Mine is part of the company’s century-long presence in Sudbury that includes five mines, a mill, a smelter and a refinery that produce nearly 65,000 metric tons of nickel a year. Téa Kvetenadze, Forbes, 27 Sep. 2021 Saskia Duyvesteyn, chief adviser for research and development for copper at Rio Tinto, said Kennecott’s smelter produces 99% pure copper that goes to its refinery to be further refined to 99.99% purity. Tim Fitzpatrick, The Salt Lake Tribune, 12 May 2022 In India, Hindalco plans to expand its Aditya Mahan smelter by 50,000 tons by March 2024. Swansy Afonso, Bloomberg.com, 30 Mar. 2022 In the 1910s and 1920s, dozens of trains would chug through Ely around the clock, taking raw ore to the smelter at McGill. Washington Post, 15 Apr. 2022 Across the road in Rockdale, at the old Alcoa smelter site, stands a mine owned by Bitdeer of Singapore. Shawn Tully, Fortune, 11 Feb. 2022 European power climbed to a fresh record as France faces a winter crunch, spurring the region’s top aluminum smelter to curb output. James Freeman, WSJ, 22 Dec. 2021 Aluminum surged to a 13-year high in London as booming demand and a swath of smelter closures from China to Europe brings the risk of shortages of the crucial industrial metal. BostonGlobe.com, 8 Feb. 2022 See More Word History
First Known Use
15th century, in the meaning defined above