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Title: | X-ray absorption as an alternative method to determine the exhausting degree of activated carbon layers in water treatment system for medical services | Authors: | PUENTE TORRES, Jeamichel CRESPO SARIOL, Harold YPERMAN, Jan ADRIAENSENS, Peter CARLEER, Robert MARINO PEACOK, Thayset Brito Sauvanell, Angel THIJSSEN, Elsy REGGERS, Guy HAELDERMANS, Tom SAMYN, Pieter |
Issue Date: | 2019 | Publisher: | ELSEVIER | Source: | TALANTA, 205 (Art N° UNSP 120058) | Abstract: | Analytical methods based on X-Ray radiation proved to be reliable and sensitive techniques to study activated carbons (ACs). An X-Ray absorption analysis based on digital radiographic images (XRA) is applied for the determination of the exhaustion degree of granular activated carbon (GAC) used in a water purification system for hemodialysis. XRA-method demonstrated the possibility to determine the exhaustion degree at different layers of the GAC filter. The results of the XRA-method were successfully correlated with X-Ray Fluorescence (XRF), TGA, Elemental analysis (EA), SEM, TD-GC/MS, ATR-FTIR, X Ray Diffraction (XRD) and Nuclear Magnetic Resonance relaxometry (NMR) analyses. It was demonstrated that the XRA-method is a fast and reliable analytical tool to give indirect information on the exhaustion degree of GAC at different layers. It is also demonstrated that XRA results can be correlated with the results of the other analytical techniques, rather dealing with the composition and morphology of GAC at different layers. | Notes: | [Puente Torres, Jeamichel] Univ Oriente, Fac Elect Engn, Santiago De Cuba, Cuba. [Crespo Sariol, Harold; Marino Peacok, Thayset; Brito Sauvanell, Angel] Univ Oriente, Fac Chem Engn, Energet Efficiency Ctr, Santiago De Cuba, Cuba. [Yperman, Jan; Adriaensens, Peter; Carleer, Robert; Thijssen, Elsy; Reggers, Guy; Haeldermans, Tom; Samyn, Pieter] Hasselt Univ, Res Grp Appl & Analyt Chem, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium. | Keywords: | Activated carbon; Water treatment; X-ray radiography; Digital image processing;Activated carbon; Water treatment; X-ray; radiography; Digital image processing | Document URI: | http://hdl.handle.net/1942/29703 | ISSN: | 0039-9140 | e-ISSN: | 1873-3573 | DOI: | 10.1016/j.talanta.2019.06.058 | ISI #: | 000485856500071 | Rights: | 2019 Elsevier B.V. All rights reserved.T | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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