Kamfanin Volta Aluminum

Kamfanin Volta Aluminum, wanda aka fi sani da VALCO, wani kamfani ne na aluminium wanda ke Tema, Babban yankin Accra wanda Kaiser Aluminum ya kafa kuma yanzu gabaɗaya mallakar gwamnatin Ghana.

 Tarihi 
VALCO wani kamfani ne na haɗin gwiwa tare da Kaiser Aluminum da ALCOA, manyan kamfanonin aluminium waɗanda ke cikin Amurka, a cikin mulkin mallaka na Gold Coast na Burtaniya a shekarar 1948.

A shekara ta 1961, Kaiser Aluminum & Gwamnatin Ghana sun saka hannun jari a aikin Akosombo Hydroelectric Project don samar da makamashi da samar da aluminium. Kamfanin ya yi shawarwari masu dacewa don siyan wutar lantarki da gwamnati. An sake sasanta yarjejeniyar a shekarar 1985, ta gwamnatin Rawlings, don nuna karuwar darajar makamashin lantarki. Wolfgang Peter, Jean-Quentin de Kuyper, Bénédict de Candolle Arbitration and renegotiation of international investment agreements, Kluwer Law International, 1995  pp. 108-118

A watan Mayun 2003 VALCO ta rufe gaba daya saboda matsaloli wajen yin shawarwarin samar da wutar lantarki. A ranar 4 ga Agusta, 2004, Alcoa da gwamnatin Jamhuriyar Ghana sun sanar da cewa sun kammala yarjejeniyar sake fara aikin narkar da na'urar VALCO a Tema, Ghana. Shirin, wanda ya haɗa da sake farawa potlines 3 a VALCO, wanda ke wakiltar metric ton 120,000 a kowace shekara (mtpy), za a aiwatar da shi a farkon kwata na shekarar 2006. "Alcoa Online Newsroom |" .
www.alcoa.com . Retrieved 2017-08-17. ].

An sake buɗewa a farkon shekarar 2006. Company Reports Aluworks 2006
Archived 2007-07-05 at the Wayback
Machine . gcsinvestments.com.Company Reports Aluworks 2006 . gcsinvestments.com. Ghana Valco Smelter. alcoa.com.
A watan Yunin 2008, ALCOA ta sayar da hannun jarinta na kashi 10 na VALCO ga gwamnatin Ghana. Geological Survey (U.S.), Minerals Yearbook, 2008, V. 3, Area Reports, International, Africa and the Middle East Government Printing Office, 2010 
, page 19-2

 Ayyuka 
VALCO yana narkar da alumina don samar da ingots na aluminium a wurin narkarwarsa a Tema. A cikin gida, babban abokin ciniki na Ghana na VALCO shine Aluworks. Yayin da wani dalili na kafa masana'antar shine kasancewar bauxite na gida, babban kayan albarkatun alumina, VALCO ya shigo da alumina don samar da aluminum.

Na'urar tana da karfin metric ton 200,000 a kowace shekara na ingots amma an rufe ta a tsakanin shekarun 2007 da 2011. A farkon shekara ta 2011, ta fara sake yin aiki a kusan kashi 20% na ƙarfinta, tana samar da tan 3,000 a kowane wata, galibi don amfanin gida, tare da shirye-shiryen kunna potlines na biyu dan kawo samar da ton 6,000 kowane wata a Tema. Archived 2012-04-07 at the Wayback
Machine

 Duba kuma 

 Aluminum a Afirka

 Manazarta 

 Hanyoyin haɗi na waje 

 Volta Aluminum at Alcoa website