Institutional Repository [SANDBOX]
Technical University of Crete
EN  |  EL

Search

Browse

My Space

Προσδιορισμός της προσροφητικής ικανότητας μπεντονιτών με τη μέθοδο της κεραμικής πλάκας (plate test)

Chliaras Athanasios

Full record


URI: http://purl.tuc.gr/dl/dias/2940766E-EE24-4330-9C8E-023140A029EB
Year 2022
Type of Item Diploma Work
License
Details
Bibliographic Citation Αθανάσιος Χλιάρας, "Προσδιορισμός της προσροφητικής ικανότητας μπεντονιτών με τη μέθοδο της κεραμικής πλάκας (plate test)", Διπλωματική Εργασία, Σχολή Μηχανικών Ορυκτών Πόρων, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2022 https://doi.org/10.26233/heallink.tuc.93795
Appears in Collections

Summary

Bentonite is a notably adsorbent clay with high swelling capacity. Its characteristic is the high concentration in smectite mineral. Smectite provides bentonite with the above-mentioned properties. This mineral primarily can be found as sodium-smectite or calcium-smectite, the kind and the concertation of which determine in high degree the clays properties.The subject of the present thesis is to specify the adsorption properties of 15 bentonite clay samples and correlate this ability with each sample smectite concentration. Firstly, a qualitative analysis took place with the X-ray diffraction method, the results were processed with the use of EVA Diffrac software. A quantitative estimation of the sample composition followed using the AutoQuan software. The next step of the study was to determine the adsorption ability of each sample via the ceramic plate test. After this measuring, selected samples were activated with Na2CO2¬, the adsorption capability of the activated samples was once again measured using the ceramic plate test. In the second phase of the study, we measured the ability of the samples to adsorb methylene blue. In this method we also used 4 samples and estimated their ability to adsorb the cationic dye before and after heating this samples at 5500C.For all of the techniques there is a description of the preparation of the samples, the experiment procedure and also the presentation of the measurements and the relative results. The conclusion of the study was that a strong positive correlation can be noted between the concentration of smectite and the sample adsorption ability.

Available Files

Services

Statistics