CONTRIBUTION IN THE FLOTATION OF MAGNESITE
Abstract
THE OBJECTIVE OF THIS RESEARCH WAS THE DEVELOPMENT OF A NEW FLOTATION PROCESS OR A COMBINATION OF PROCESSES IN ORDER TO BENEFICIATE THE LOW GRADE (-2 MM) MAGNESITE TAILINGS AND DEPOSITS OBTAINED FROM THE DRESSING PLANT OF MANTOUDI OF EUBOE ISLAND WITHIN THE FRAME OF THE PRESENT WORK SEVERAL EXPERIMENTS WERE CARRIEDOUT AIMING AT THE PRODUCTION OF A MAGNESITE CONCENTRATE AND THE FOLLOWING SUCCESSFUL PROCESS WAS PROPOSED. COMBINATION OF THREE STEPS PROCESS INCLUDING THE FOLLOWING STAGES: - DIRECT FLOTATION BY USING ANIONIC COLLECTORS, - DESLIMING OFTHE CONCENTRATE OBTAINED FROM THE PREVIOUS STAGE BY USING HYDROCYCLON . - REVERSE FLOTATION OF THE HYDROCYCLON APPEX PRODUCT BY USING CATIONIC COLLECTORS.
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