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Showing 1 to 2 of 2 for “"Λατερίτες"”.
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ΕΚΧΥΛΙΣΗ ΛΑΤΕΡΙΤΩΝ ΜΕ ΘΕΙΙΚΟ ΟΞΥ ΥΠΟ ΠΙΕΣΗ
THE EXTRACTION OF NICKEL AND COBALT FROM LOW GRADE GREEK LATERITE ORIS IS ACCELARATED AT CONDITIONS OF HIGH TEMPERATURE- PRESSURE. THE EXTRACTION VALUES REACH100% UNDER CONDITIONS OF 220-260 C TEMPERATURE, 40-60 BAR PRESSURE 2 H DURATION. NUTRALIZATION OF THE EFFLVENTS IS VERY SATISFACTORY. THE …
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ΚΙΝΗΤΙΚΗ ΤΗΣ ΕΞΑΓΩΓΗΣ ΤΟΥ ΝΙΚΕΛΙΟΥ ΑΠΟ ΑΙΜΑΤΙΤΙΚΟ ΛΑΤΕΡΙΤΗ ΚΑΤΑ ΤΗΝ ΕΚΧΥΛΙΣΗ ΤΟΥ ΜΕ ΘΕΙΙΚΟ ΟΞΥ ΣΕ ΑΤΜΟΣΦΑΙΡΙΚΗ ΠΙΕΣΗ
IN THIS THESIS THE KINETICS OF NICKEL EXTRACTION FROM AN HEMATITIC-TYPE LATERITE DURING LEACHING WITH SULFURIC ACID IS STUDIED. AFTER THE LOCALISATION OF THE NICERAL PHASE WITH WHICH NICKEL IS CONNECTED, THE INFLUENCE OF THE MACROSCOPIC VARIABLES AFFECTING THE SYSTEM (CONCENTRATION, TEMPERATURE, …