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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Materials for Infrastructure
Presentation Title Jigs, Hydro-cyclones and Sensor-based Sorting to Value Recycled Aggregates
Author(s) Régis Sebben Paranhos, Carlos Hoffmann Sampaio, Bogdan Grigore Cazacliu, Raul Oliveira Neto, Maria Alejandra Liendo
On-Site Speaker (Planned) Régis Sebben Paranhos
Abstract Scope The proposition of this paper is to introduce a sorting platform aiming to increase quality on recycled aggregates by supplementary use of mineral processing techniques and more sorting. The difficulty of liberation is discussed and the methodology currently used in mineral processing is proposed. Jigs, hydro-cyclones and sensor-based sorting are equipments considered as having good performances to sort recycled aggregates. Based on current process in recycling platforms, the new process with supplementary sorting of the concrete recycled is presented. The gain in density and the reduction in water absorption were linked with rates of replaced aggregates and costs with transport and discharge. Replacing a lower quality aggregate by another with medium quality leads an expected gain in density about 4%. On the other hand, if replaced by superior quality, the expected gain will be 8.4%. As consequence, 34% on reduction in water absorption could be obtained too.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)


Anticorrosion and Adsorption Mechanism of Rhizophora Mangle L Leaf-extract on Steel-reinforcement in 3.5% NaCl-immersed Concrete
Cassia Fistula Leaf-extract Effect on Corrosion-inhibition of Stainless-steel in 0.5 M HCl
Colombian Natural Fibers for Structural Materials
Development of Co-B-SiC Coatings for Use on Aeronautical and Automobile Industries
Effect of C5H11NO2S on Reinforcing-steel Corrosion in Concrete Immersed in Industrial/Microbial Simulating-environment
Fiber Reinforced Concrete Manufactured with Electric Arc Furnace Slag
Jigs, Hydro-cyclones and Sensor-based Sorting to Value Recycled Aggregates
PAN-25: Calcium Aluminate Cements Under High Temperature Oxidation Environment
PAN-26: Carbonation Study in Calcium Aluminate Cement Pastes
Performance of Hydraulic Mixes Manufactured with Electric Arc Furnace Slag Aggregates
Physical and Mechanical Properties of Bricks with Added Industrial Waste
Porous Asphalt Mixtures With 100% Siderurgic Aggregates
Portland Cement Paste Blended With Pulverized Coconut Fibers

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