Alcoa, Pittsburgh, Pa., has completed the sale of 50 percent of the Aluminum Oxide Stade GmbH alumina refinery in Stade, Germany to Dadco Alumina and Chemicals Ltd., a private investment and trading company. Terms were not disclosed. Alcoa acquired the 50 percent share of Stade as part of its acquisition of Reynolds Metals Company in May 2000. VAW AG of Germany owns the remaining interest. The Stade refinery has a production capacity of 800,000 metric tons per year and the sale is required under regulatory approval that cleared AlcoaÕs acquisition of Reynolds.