Molybdenum Concentrate Roasting Solutions
Scheme Introduction
Overview of the conventional rotary kiln roasting process: Molybdenum concentrate is dried to a moisture content of approximately 5% using a flash‑drying unit, then conveyed into the rotary kiln for oxidative roasting. The rotary kiln is fired directly with coal, flue gas, coal gas, or natural gas. With this technology, the recovery rate of molybdenum oxide exceeds 98%, the residual sulfur content in the roasted molybdenum oxide meets regulatory standards, and coal consumption is 400–450 kg per tonne of product.
Brief overview of the energy‑saving rotary kiln roasting process: Molybdenum concentrate is dried to a moisture content of approximately 5% using a flash‑drying unit, then conveyed into the energy‑saving rotary kiln for oxidative roasting. The rotary kiln utilizes the heat released during the roasting of sulfide ores as its heat source. With this technology, the recovery rate of molybdenum oxide exceeds 99%, the residual sulfur content in the roasted molybdenum oxide is well below national standards, and the roasting process achieves zero energy consumption.
Process flow
Production Flowchart
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