| 词条 | Biraco |
| 释义 |
Biraco is the acronym of Bismuth, Radium, and Cobalt. It was the name of a now-defunct subsidiary company of Union Minière du Haut Katanga (UMHK) and Société Générale de Belgique created to refine these elements from the copper and uranium ores coming from the Katanga province in the Democratic Republic of Congo. Radium was first industrially produced {{Citation needed|date=March 2009}} in the beginning of the 20th century by Biraco in its Olen plant near Antwerp in Belgium.[1] UMHK offered to Marie Curie her first gramme of radium.{{Citation needed|date=March 2009}} The radium production plant was demolished during the years 1970 and the radium production wastes confined in a shallowly buried vault. The Olen site is still the object of remediation works financed by Umicore in the frame of its historical liability. Union Minière activities were merged with those of three other companies to create Umicore in 1989. See also{{Portal|Companies}}
External links
References1. ^{{cite book | page = 206 | url = https://books.google.com/books?id=yCkJgKwyAVoC&pg=PA206 | title = Biotechnology for waste management and site restoration: Technological, educational, business, political aspects | isbn = 978-0-7923-4769-9 | author1 = Ronneau, C. | author2 = Bitchaeva, O. | publisher = Scientific Affairs Division, North Atlantic Treaty Organization | year = 1997}} {{More citations needed|date=March 2009}}{{chem-stub}}{{Belgium-company-stub}} 4 : Defunct companies of Belgium|Société Générale de Belgique|Uranium mining companies of Belgium|Companies based in Antwerp (province) |
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