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Προσδιορισμός της προσροφητικής ικανότητας μπεντονιτών με τις μεθόδους της κεραμικής πλάκας και του κυανού του μεθυλενίου από την περιοχή της Αγγεριάς

Angelou Konstantinos

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Summary

Greece is one of the richest countries in terms of natural resources, specifically mineral raw materials. This fact ranked the miner sector one of the most important branches of Greek industrial production which is in fact a strong source of economic and industrial prosperity for the country. In this dissertation, the quality of a widespread species of mineral is examined that is found in a multitude of deposits in the Greek subsoil with various applications and uses. Thespecific mineral is the Greek bentonite, deposits of which are found in many regions of Greece.The specific mineral is the Greek bentonite, deposits of which are found in many regions of Greece. For its development of the dissertation, bentonite samples were evaluated collected from a well-known mine in Greece, located on the island of Milos, in the area of Aggeria.More specifically, their adsorption capacity was evaluated through application of the methylene blue and ceramic plate method. In each individual analysis method a detailed description of the overall analysis procedure is provided as well as the theoretical background in order to better understand the process by the reader. Additionally, the preparation methods of samples are provided in detail to start the experimental part of the methods and then the presentation of the respective results of the measurements follows.It is worth mentioning that, before the application of the methods, a qualitative study was carried out of the twenty samples collected by applying the diffraction technique X-rays to evaluate their mineralogical composition. Through the diffractometry a quantitative assessment was made in order to identify the most accurate sample composition. Then, the implementation of adsorptiveanalysis was carried out in the number of examined samples with the method of ceramic plate.This method proved to be absolutely effective as interesting conclusions were reached regarding the correlation of the structure of samples and their adsorption capacity Then, the second method of analysis was applied that is, of methylene blue in the same number of samples, by means of which caution exchange capacity of the specific category was evaluated.The results obtained from the measurements of the analyzes showed valuable findings regarding the process of assessing the behavior of samples. In addition, encouraging results were presented regarding the correlation of admixture content and absorbent capacity of bentonites of Milos.

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