{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1190"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1190","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΔΙΗΘΗΣΗ-ΚΡΟΚΚΙΔΩΣΗ ΜΕΣΩ ΒΑΘΕΟΣ ΚΟΚΚΩΔΟΥΣ ΣΤΡΩΜΑΤΟΣ ΠΥΚΝΩΝ ΑΙΩΡΗΜΑΤΩΝ ΜΕΤΑΛΛΕΥΤΙΚΗΣ-ΜΕΤΑΛΛΟΥΡΓΙΚΗΣ ΠΡΟΕΛΕΥΣΗΣ","abstract":"THE SUBJECT OF THE THESIS IS THE BEHAVIOUR OF A DEED BED GRANULAR FILTER WHEN USED AS A FLOCCULATOR-CLARIFIER ESPECIALLY THE INFLUENCE OF FLOCCULATION INTO THE PORES OF GRANULAR MEDIA IN DEEP BED FILTRATION DURING THE FILTRATION OF RED MUDE SUSPENSIONS . IT WAS FOUND THAT FLOCCULATION CONTROLS THE OPERATION AND THEEFFICIENCY OF THE GRANULAR MEDIA INCREASES WITH THE INCREAMENT OF SOLID DEPOSITS. THE MOST IMPORTANT CONCLUSION WAS THAT THE GRADIENT OF CONCENTRATION DECREAMENT TO THE MEDIA DEPTH DEPENDS ON THE THIRD POWER OF CONCENTRATION AND NOT ON THE FIRST, AS IN CLASSICAL DEEP BED FILTRATION.","abstract_html":"THE SUBJECT OF THE THESIS IS THE BEHAVIOUR OF A DEED BED GRANULAR FILTER WHEN USED AS A FLOCCULATOR-CLARIFIER ESPECIALLY THE INFLUENCE OF FLOCCULATION INTO THE PORES OF GRANULAR MEDIA IN DEEP BED FILTRATION DURING THE FILTRATION OF RED MUDE SUSPENSIONS . IT WAS FOUND THAT FLOCCULATION CONTROLS THE OPERATION AND THEEFFICIENCY OF THE GRANULAR MEDIA INCREASES WITH THE INCREAMENT OF SOLID DEPOSITS. THE MOST IMPORTANT CONCLUSION WAS THAT THE GRADIENT OF CONCENTRATION DECREAMENT TO THE MEDIA DEPTH DEPENDS ON THE THIRD POWER OF CONCENTRATION AND NOT ON THE FIRST, AS IN CLASSICAL DEEP BED FILTRATION.","abstract_has_math":false,"creators":["Γεωργακόπουλος, Βασίλειος"],"institution":"Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-24T02:24:46Z","subjects":["Filtration","Flocculation","Διήθηση","ΚΡΟΚΚΙΔΩΣΗ","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1190"],"render_values":[{"text":"10.12681/eadd/1190","href":"https://doi.org/10.12681/eadd/1190","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1190","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Γεωργακόπουλος, Βασίλειος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Filtration","Flocculation","Διήθηση","ΚΡΟΚΚΙΔΩΣΗ","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1190","http://hdl.handle.net/10442/hedi/1190"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE SUBJECT OF THE THESIS IS THE BEHAVIOUR OF A DEED BED GRANULAR FILTER WHEN USED AS A FLOCCULATOR-CLARIFIER ESPECIALLY THE INFLUENCE OF FLOCCULATION INTO THE PORES OF GRANULAR MEDIA IN DEEP BED FILTRATION DURING THE FILTRATION OF RED MUDE SUSPENSIONS . IT WAS FOUND THAT FLOCCULATION CONTROLS THE OPERATION AND THEEFFICIENCY OF THE GRANULAR MEDIA INCREASES WITH THE INCREAMENT OF SOLID DEPOSITS. THE MOST IMPORTANT CONCLUSION WAS THAT THE GRADIENT OF CONCENTRATION DECREAMENT TO THE MEDIA DEPTH DEPENDS ON THE THIRD POWER OF CONCENTRATION AND NOT ON THE FIRST, AS IN CLASSICAL DEEP BED FILTRATION.","ΠΡΟΚΕΙΤΑΙ ΓΙΑ ΠΡΟΣΠΑΘΕΙΑ ΜΕΛΕΤΗΣ ΤΗΣ ΣΥΜΠΕΡΙΦΟΡΑΣ ΕΝΟΣ ΚΟΚΚΩΔΟΥΣ ΔΙΗΘΗΤΙΚΟΥ ΣΤΡΩΜΑΤΟΣ, ΟΤΑΝ ΑΥΤΟ ΛΕΙΤΟΥΡΓΕΙ ΣΑΝ ΚΡΟΚΚΙΔΩΤΗΡΑΣ/ΔΙΑΧΩΡΙΣΤΗΡΑΣ ΣΤΕΡΕΩΝ-ΥΓΡΩΝ. ΔΗΛΑΔΗ ΤΙΣ ΕΠΙΠΤΩΣΕΙΣ ΕΧΕΙ ΣΤΗΝ ΔΙΗΘΗΣΗ ΒΑΘΕΟΣ ΣΤΡΩΜΑΤΟΣ Η ΚΡΟΚΚΙΔΩΣΗ ΜΕΣΑ ΣΤΟΥΣ ΠΟΡΟΥΣ ΤΟΥ ΔΙΗΘΗΤΙΚΟΥ ΜΕΣΟΥ, ΚΑΤΑ ΑΙΩΡΗΜΑΤΑ ΕΡΥΘΡΑΣ ΙΛΥΟΣ. ΔΙΑΠΙΣΤΩΘΗΚΕ ΕΛΕΓΧΟΣ ΤΗΣ ΔΙΕΡΓΑΣΙΑΣ ΑΠ'ΤΗΝ ΚΡΟΚΚΙΔΩΣΗ ΚΑΙ ΠΑΡΑΛΛΗΛΑ ΑΥΞΗΣΗ ΤΗΣ ΙΚΑΝΟΤΗΤΑΣ ΤΟΥ ΔΙΗΘΗΤΙΚΟΥ ΜΕΣΟΥ ΝΑ ΚΑΤΑΚΡΑΤΑ ΣΤΕΡΕΑ, ΜΕ ΤΗΝ ΑΥΞΗΣΗ ΤΩΝ ΑΠΟΘΕΣΕΩΝ. Η ΒΑΣΙΚΟΤΕΡΗ ΔΙΑΠΙΣΤΩΣΗ ΗΤΑΝ, Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΩΣ ΠΡΟΣ ΤΟ ΒΑΘΟΣ ΤΟΥ ΣΤΡΩΜΑΤΟΣ ΕΞΑΡΤΑΤΑΙ ΑΠ'ΤΗΝ ΤΡΙΤΗ ΔΥΝΑΜΗ ΤΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΚΑΙ ΟΧΙ ΑΠ'ΤΗΝ ΠΡΩΤΗ ΔΥΝΑΜΗ, ΟΠΩΣ ΙΣΧΥΕΙΓΙΑ ΤΗΝ ΚΛΑΣΣΙΚΗ ΔΙΗΘΗΣΗ ΒΑΘΕΟΣ ΣΤΡΩΜΑΤΟΣ."]},{"key":"dc:title","label":"Title","values":["ΔΙΗΘΗΣΗ-ΚΡΟΚΚΙΔΩΣΗ ΜΕΣΩ ΒΑΘΕΟΣ ΚΟΚΚΩΔΟΥΣ ΣΤΡΩΜΑΤΟΣ ΠΥΚΝΩΝ ΑΙΩΡΗΜΑΤΩΝ ΜΕΤΑΛΛΕΥΤΙΚΗΣ-ΜΕΤΑΛΛΟΥΡΓΙΚΗΣ ΠΡΟΕΛΕΥΣΗΣ","DEEP BED FILTRATION/FLOCCULATION OF MINERAL/METALLURGICAL WASTE WATER SUSPENSIONS"]}]}],"canonical_facts":{"dc:creator":["Γεωργακόπουλος, Βασίλειος"],"dc:date":["1989"],"dc:description":["THE SUBJECT OF THE THESIS IS THE BEHAVIOUR OF A DEED BED GRANULAR FILTER WHEN USED AS A FLOCCULATOR-CLARIFIER ESPECIALLY THE INFLUENCE OF FLOCCULATION INTO THE PORES OF GRANULAR MEDIA IN DEEP BED FILTRATION DURING THE FILTRATION OF RED MUDE SUSPENSIONS . IT WAS FOUND THAT FLOCCULATION CONTROLS THE OPERATION AND THEEFFICIENCY OF THE GRANULAR MEDIA INCREASES WITH THE INCREAMENT OF SOLID DEPOSITS. THE MOST IMPORTANT CONCLUSION WAS THAT THE GRADIENT OF CONCENTRATION DECREAMENT TO THE MEDIA DEPTH DEPENDS ON THE THIRD POWER OF CONCENTRATION AND NOT ON THE FIRST, AS IN CLASSICAL DEEP BED FILTRATION.","ΠΡΟΚΕΙΤΑΙ ΓΙΑ ΠΡΟΣΠΑΘΕΙΑ ΜΕΛΕΤΗΣ ΤΗΣ ΣΥΜΠΕΡΙΦΟΡΑΣ ΕΝΟΣ ΚΟΚΚΩΔΟΥΣ ΔΙΗΘΗΤΙΚΟΥ ΣΤΡΩΜΑΤΟΣ, ΟΤΑΝ ΑΥΤΟ ΛΕΙΤΟΥΡΓΕΙ ΣΑΝ ΚΡΟΚΚΙΔΩΤΗΡΑΣ/ΔΙΑΧΩΡΙΣΤΗΡΑΣ ΣΤΕΡΕΩΝ-ΥΓΡΩΝ. ΔΗΛΑΔΗ ΤΙΣ ΕΠΙΠΤΩΣΕΙΣ ΕΧΕΙ ΣΤΗΝ ΔΙΗΘΗΣΗ ΒΑΘΕΟΣ ΣΤΡΩΜΑΤΟΣ Η ΚΡΟΚΚΙΔΩΣΗ ΜΕΣΑ ΣΤΟΥΣ ΠΟΡΟΥΣ ΤΟΥ ΔΙΗΘΗΤΙΚΟΥ ΜΕΣΟΥ, ΚΑΤΑ ΑΙΩΡΗΜΑΤΑ ΕΡΥΘΡΑΣ ΙΛΥΟΣ. ΔΙΑΠΙΣΤΩΘΗΚΕ ΕΛΕΓΧΟΣ ΤΗΣ ΔΙΕΡΓΑΣΙΑΣ ΑΠ'ΤΗΝ ΚΡΟΚΚΙΔΩΣΗ ΚΑΙ ΠΑΡΑΛΛΗΛΑ ΑΥΞΗΣΗ ΤΗΣ ΙΚΑΝΟΤΗΤΑΣ ΤΟΥ ΔΙΗΘΗΤΙΚΟΥ ΜΕΣΟΥ ΝΑ ΚΑΤΑΚΡΑΤΑ ΣΤΕΡΕΑ, ΜΕ ΤΗΝ ΑΥΞΗΣΗ ΤΩΝ ΑΠΟΘΕΣΕΩΝ. Η ΒΑΣΙΚΟΤΕΡΗ ΔΙΑΠΙΣΤΩΣΗ ΗΤΑΝ, Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΩΣ ΠΡΟΣ ΤΟ ΒΑΘΟΣ ΤΟΥ ΣΤΡΩΜΑΤΟΣ ΕΞΑΡΤΑΤΑΙ ΑΠ'ΤΗΝ ΤΡΙΤΗ ΔΥΝΑΜΗ ΤΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΚΑΙ ΟΧΙ ΑΠ'ΤΗΝ ΠΡΩΤΗ ΔΥΝΑΜΗ, ΟΠΩΣ ΙΣΧΥΕΙΓΙΑ ΤΗΝ ΚΛΑΣΣΙΚΗ ΔΙΗΘΗΣΗ ΒΑΘΕΟΣ ΣΤΡΩΜΑΤΟΣ."],"dc:identifier":["10.12681/eadd/1190","http://hdl.handle.net/10442/hedi/1190"],"dc:language":["gre"],"dc:publisher":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"],"dc:subject":["Filtration","Flocculation","Διήθηση","ΚΡΟΚΚΙΔΩΣΗ","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"],"dc:title":["ΔΙΗΘΗΣΗ-ΚΡΟΚΚΙΔΩΣΗ ΜΕΣΩ ΒΑΘΕΟΣ ΚΟΚΚΩΔΟΥΣ ΣΤΡΩΜΑΤΟΣ ΠΥΚΝΩΝ ΑΙΩΡΗΜΑΤΩΝ ΜΕΤΑΛΛΕΥΤΙΚΗΣ-ΜΕΤΑΛΛΟΥΡΓΙΚΗΣ ΠΡΟΕΛΕΥΣΗΣ","DEEP BED FILTRATION/FLOCCULATION OF MINERAL/METALLURGICAL WASTE WATER SUSPENSIONS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:46Z"}