What is the process of refining Iron ore? Iron ore refining process uses heat and another substance, so that oxygen molecule can bond to them and separate from iron. Carbon readily bonds with oxygen and so coal or coke (a form ...
copper processing | Britannica. Extraction and refining The extraction of copper from ore is normally carried out in three major steps. The first step, mineral processing, is to liberate the copper minerals and remove ...
copper processing | Britannica. Extraction and refining The extraction of copper from ore is normally carried out in three major steps. The first step, mineral processing, is to liberate the copper minerals and remove ...