Siderite as a novel reductant for clean utilization .
01.02.2020· 3.1. Magnetization roasting and low-intensity magnetic separation process. The siderite dosage is one of the most important factors during the magnetization roasting process. As there was some siderite in the refractory iron ore, the siderite content in this research referred to the total amount of siderite in the mixed sample.