艾蒂克(Aitik)露天铜矿目前在进行的5.28亿瑞典克朗的扩建工程是该矿自1968年以200万t/a的生产能力投产以来一系列300万t或400万t扩建工程的第四次,也是80年代期间着手扩建的第二次。 1980～1981年期间,布立登公司投资1.4亿瑞典克朗使矿石年产量及选厂能力从800万t增大至1100万t,相当于14万t精矿 The ongoing expansion of SEK 528 million under open-pit copper in Aitik is the result of a series of expansion projects of 3 million t or 4 million t since the mine was put into operation at a production capacity of 2 million t / a in 1968 Four times during the 1980s and the second one during the 1980s. Between 1980 and 1981, Bliton invested 140 million Swedish kroner to increase the annual ore production and plant selection capacity from 8 million tons to 11 million tons, equivalent to 140,000 tons of concentrate