Innovative Slag Detection for Improved Copper Recovery, Efficiency, and Safety in Smelting Operations

This chapter explores the application of the LAND Slag Detection System (SDS) in copper smelting operations, focusing on its ability to improve metal recovery, efficiency, and safety. The system utilizes mid-wavelength infrared (MWIR) imaging at 3.9 µm to distinguish between copper matte and slag based on their differing emissivities. This automated approach replaces traditional manual methods, offering faster, more reliable, and repeatable results. The SDS has been proven to reduce slag carryover by up to 25%, as demonstrated in a proof-of-concept trial at a European facility. The system's operator interface provides real-time visualization and quantification of the pour, enhancing decision-making and minimizing copper loss. Beyond improved recovery, the SDS significantly enhances operator safety by eliminating the need for direct visual observation of molten material. The implementation of the SDS in copper smelting operations demonstrates a significant step toward more sustainable practices, reducing the need for additional raw materials and minimizing waste. The system's reliance on mid-wavelength infrared technology plays a crucial role in its effectiveness, enabling precise differentiation even under challenging conditions. The combined benefits of enhanced recovery, improved safety, and increased efficiency position the SDS as a vital tool for modern copper smelting operations.