论文部分内容阅读
由美国Ａｌｃｏａ公司占60%股份和澳大利亚ＷＭＣＬｔｄ公司占40%股份的ＡｌｃｏａＷｏｒｌｄＡｌｕｍｉｎａ公司在采用精炼新工艺的基础上将氧化铝的年产能提高近50万ｔ。位于西澳大利亚Ｐｉｎｊａｒｒａ和Ｗａｇｅｒｕｐ氧化铝厂计划到2001年初把氧化铝产量分别提高165万ｔ和
AlcoaWorldAlumina, a 60% owned by Alcoa in the United States and a 40% owned by WMC Ltd in Australia, will increase annual capacity of alumina by nearly 500,000 t based on a refined process. The Pinjarra and Wagerup alumina plants in Western Australia plan to increase alumina production by 1.65 million t by early 2001 and