
Iwe it?s?na yii ?e alaye ilana ti o pe ti it?ju ?r?k¨´?¨´ koper, lati oye aw?n minerali koper si ikole ?gbin ati realization iye. Aw?n iwe a?? naa ?e afihan i?? akan?e lapap?¡ªiwe iwadi, eto, ikole, ?i??, ati tita¡ªp?lu i?akoso tailings ati ibamu ayika. Apakan ak?k? ?alaye aw?n ?na ?i?e pataki: fifal? fun aw?n ore sulfide (ti o w?p? jul?), asidi leaching fun aw?n ore oxide, ati iyas?t? iwuwo iranl?w?.
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