Abstract
Inorganic powder recycling should be a crucial process for the “smart factories” in the future. A complex three-phase system (bauxite mixed with ordinary Portland cement and water) with a new-coupled vibration-compaction device is studied. The compressive stress of compacts seems to be improved by using this device at low compaction pressure leaving the other characteristics unchanged. The tomographic study of macroscopic porosities shows differences in the pores repartitions inside vibrated and untreated compacts. Classic porosity repartition is shown in the classic compacted bauxite compacts whereas in the vibrated-compacted bauxite exhibits inhomogeneities. Despite this, we find these results quite promising for further investigations.
Highlights
Inorganic powder recycling should be a crucial process for the “smart factories” in the future
« Smart Factory» should have production systems ever increasingly efficient with useless by-products. This “eco-efficient plant” should be energy efficient, so recycling fine inorganic particles can be an essential part of this endeavor
Just a few studies are made on recycling by compaction and vibrationcompaction [10,11] of inorganic particles
Summary
Inorganic powder recycling should be a crucial process for the “smart factories” in the future. The tomographic study of macroscopic porosities shows differences in the pores repartitions inside vibrated and untreated compacts. « Smart Factory» should have production systems ever increasingly efficient with useless by-products This “eco-efficient plant” should be energy efficient, so recycling fine inorganic particles can be an essential part of this endeavor. Our aim is to study a new coupled vibrationcompaction device in order to produce inorganic compacts made from used or waste powder and reintroducing these objects into current production. Recent work on vibrated granular media by X –ray tomography [9] shows interesting measurements of internal local characteristics of packing parameters. Just a few studies are made on recycling by compaction and vibrationcompaction [10,11] of inorganic particles
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