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S2 Bioengenharia e Qualidade de Vida |
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Title:
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CHARACTERIZATION OF FILTERS AND FILTRATION PROCESS USING X-RAY COMPUTERIZED TOMOGRAPHY
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Summary :
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THE OBJECTIVE OF THIS WORK IS TO PRESENT THE POTENTIAL OF X-RAY COMPUTERIZED TOMOGRAPHY AS A TOOL FOR INTERNAL CHARACTERIZATION OF FILTERS USED IN THE SOLID-LIQUID SEPARATION, MAINLY THE WATER FILTERS. CARTRIDGE FILTERS (FOR INDUSTRIAL AND DOMESTIC APPLICATIONS) CONTAMINATED WITH GLASS BEADS WERE USED. THE SCANNING PROCESS WAS CARRIED OUT BOTH WITH AND WITHOUT CONTAMINANT IN THE FILTER TO COMPARE THE ATTENUATION COEFFICIENT OF THE CLEAN FILTER AND THE CONTAMINATED FILTER. THE IMAGES SHOWED THAT IS POSSIBLE THE MAPPING THE INTERNAL STRUCTURE OF THE FILTERS AND THE DISTRIBUTION OF THE CONTAMINANT, PERMITTING A LOCAL ANALYSIS, THAT IS NOT POSSIBLE THROUGH THE STANDARD TESTS USED BY THE MANUFACTURES. THESE STANDARD TESTS REVEAL ONLY GLOBAL CHARACTERISTICS OF THE FILTER MEDIA. THE POSSIBILITY OF APPLICATION FOR MANUFACTURING PROCESS CONTROL WAS ALSO SHOWN, BECAUSE THE NON INVASIVE NATURE IS A IMPORTANT ADVANTAGE OF THE TECHNIQUE, WHICH ALSO PERMITTED DAMAGE DETECTION IN FILTERS SUBMITTED TO SEVERE OPERATIONAL CONDITIONS. |
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Author :
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Arruda, Antonio Celso Fonseca de
Franchini, Alexandre Serra
Maschio, Célio 0
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Paper View :
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