Innovative Industrial Technologies. A d v a n c e d S o r t i n g Te c h n o l o g i e s f o r M i n i n g I n d u s t r y

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1 A d v a n c e d S o r t i n g Te c h n o l o g i e s f o r M i n i n g I n d u s t r y

2 Comex AS delivers industrial system solutions and processing equipment for sophisticated and demanding applications. The main core activities are related to technologies for advanced optical sorting of large particles, and production and classification of fine powders towards the mining and process industry. After significant efforts in R&D projects, Comex AS provides today the latest state-of-the-art equipment together with the know-how for industrial solutions. About us Comex AS was established in 2003 as a spin-off from SINTEF, which is the biggest research institution in Scandinavia. Most of the technologies offered by Comex AS today were originally developed at the SINTEF and NTNU University laboratories in Norway, and they are protected by international patents. Why choose us? Norwegian University of Science and Technology Comex AS's solutions help our customers to improve the profitability of their production processes by implementing the latest state-ofthe-art equipment, which improves the quality of the end products, reduces the energy consumption and makes the production more environmentally friendly. Comex AS Headquarters located in Norway Advanced sorting technologies Comex AS offers complex and robust optical sorting systems, in a user-friendly platform, for the identification and sorting of particles based on different physical properties. This is achieved under recognition of individual response to: Colour Density Shape Conductivity Size Key benefits: X-Ray Transmission Surface Texture Thermal Transfer Transparency Electromagnetic Induction High separating efficiency up to 99.9 % Complete 2D/3D analysis of particle geometry Possibility for on-site separation Possibility to separate materials by recognition of many different properties in the same unit Generally, the new Comex separation system can provide the following benefits: Comex R&D Department and production facilities located in Poland Comex AS offers extensive test and development facilities were different materials can be tested according to the customer's requirements. Cost savings Reduced energy consumption in the Reduced transport needs between the and the plant Reduced waste disposals from the plant Improved recovery Best utilization of material resources from the Recycling of s

3 Advanced sorting based on 2D particle scan (OSX) camera lights vibrating chute fed material transport belt maincontrol unit spliter rejectedgate fraction rejectingvalves non-rejected orflaps fraction Specifications for OSX-1000: Particle size: mm Capacity: t/h Std. size: L (7.1 m), H (2.5 m), W (1.7 m) Advantages over competitors: Multi-parameter sorting Sorting efficiency up to 99 % Advanced sorting based on 3D particle scan (VSX) fedmaterial v-shapedtransportbelt analyzerunit separationunit Specifications: Particle size: mm Capacity: 5-40 t/h per line Std. size: L (10 m), H (1.8 m), W (0.6 m/ per line) Advantages over competitors: Detailed full 3D scan of the particles Sorting efficiency up to 99.9% Unlimited number of fractions Possibility for connecting parallel lines

4 Case Study: Iron Ore Initial Waste Material Concentration in Feed = 30 % 30% 135 t/h Let us assume that we have a material stream out of the with the capacity of. This stream has the content of 30 % The material stream enters the OSX, which in this case has the separation efficiency of 90 %. 30% 365 t/h 4% OSX (Eff. 90%) A typical iron ore used about 315 kwh/t iron ore. By implementing OSX into the existing iron ore plant facilities, you can achieve huge cost savings. 150 t/h 15 t/h Results: Energy consumption reduction: -26% Waste disposal reduction after processing: -90 % Reduced transport requirement from the to the plant: -27% 30% 685 t/h 30% 4% OSX (Eff. 90%) 185 t/h same energy consumption. We also assume that the material stream into the is the same as before (). However by using the OSX we reduce the concentration of waste materials in the feed. By increasing the material stream out of the (with the same 30% fraction of ), we can increase the production capacity by 37%. In addition we reduce the waste disposal after processing by 87%. 150 t/h 480 t/h 20 t/h Results: Production capacity increase: 37% Waste disposal reduction after processing: -87%

5 Case Study: Coal Initial Waste Material Concentration in Feed = 30 % 30% 135 t/h material stream out of the with a capacity of. This stream has the content of 30 % The material stream enters the OSX, which in this case has the separation efficiency of 90 %. 30% 365 t/h 4.1% OSX (Eff. 90%) By implementing OSX into the existing coal plant facilities you can achieve huge saving when it comes to waste disposals and transport requirements between the and the. 150 t/h 15 t/h Results: Waste disposal reduction after processing: - 90% Reduced transport requirement from the to the plant: - 27% 685 t/h 30% same material stream into the as before (500 t/h). However by using the OSX we reduce the concentration of waste material in this stream, which affects the production capacity. 30% 4.3% OSX (Eff. 90%) 185 t/h By increasing the material stream out of the (with the same 30% fraction of ), we can increase the production capacity by 37 % and at the same time we reduce the waste disposal after processing by 85% 150 t/h 478 t/h 22 t/h Results: Production capacity increase: 37% Waste disposal reduction after processing: - 85%

6 Case Study: Quartz Initial Waste Material Concentration in Feed = 40 % 40% 198 t/h Let us assume that we have a material stream out of the with a capacity of. This stream has the content of 40 % The material stream enters the OSX, which in this case has the separation efficiency of 99 %. 40% 302 t/h 0.66% OSX (Eff. 99%) By implementing OSX into the existing quartz plant facilities, you can achieve huge savings when it comes to waste disposals and transport requirements between the and the. 300 t/h 200 t/h 300 t/h 2 t/h Results: Waste disposal reduction after processing: - 99% Reduced transport requirement from the to the plant: - 40% 40% 828 t/h 40% 0.6% OSX (Eff. 99%) 328 t/h same material stream into the as before (500 t/h). However by using the OSX, we reduce the concentration of the s in this stream, which affects the production capacity. By increasing the material stream out of the (with the same 40% fraction of ), we can increase the production capacity by 66%. In addition we also reduce the waste disposal after processing by 99% 300 t/h 200 t/h 497 t/h 3 t/h Results: Production capacity increase: 66% Waste disposal reduction after processing: - 99%

7 Case Study: Gold Initial Gold Bearing Material Concentration in Feed = 20% 20% gold bearing material concentrate 178 t/h material stream out of the with the capacity of. This stream has the gold bearing material concentration of 20 %. The material stream enters the OSX, which in this case has the separation efficiency of 80 %. 20% gold bearing material concentation 36 t/h 56% gold bearing material concentration OSX (Eff. 80%) without gold concentration By implementing OSX into the existing gold facilities, you can achieve huge savings when it comes to energy consumption and waste disposals. gold concentrate: 10 g/h Waste Disp.: gold concentrate: 10 g/h 36 t/h Results: Energy Consumption Reduction: - 67% Waste Disposal Reduction: - 64% Mine 20% gold bearing material concentation 278 t/h 20% gold bearing material concentrate 56% gold bearing material concentration OSX (Eff. 80%) 178 t/h without gold concentration same material stream into the as before (100 t/h). However by using the OSX, we upgrade the gold bearing material concentrate from 20 % to 56 %. In this configuration, it is possible to increase the gold production by 180 %. gold concentrate: 10 g/h gold concentrate: 28 g/h Results: Gold production increase: 180%

8 Comex AS P.O.Box Rud Norway tel.: fax: