Unit Process of Extraction Notes VSSUT – UPE Notes VSSUT of Total Complete Notes
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Unit Process of Extraction Notes VSSUT – UPE Notes VSSUT
Module – 1
WHAT IS EXTRACTIVE METALLURGY ,TYPES OF ORES,
COMMERCIAL PRODUCTION OF METALS,UNIT PROCESSES AND UNIT OPERATIONS,
CLASSIFICATION OF UNIT PROCESSES/OPERATION BY DIFFERENT CRITERIA,
CLASSIFICATION ACCORDING TO CHEMICAL REACTIONS,
CLASSIFICATION BASED UPON METHODS OF METAL EXTRACTION,
GENERAL METHODS OF EXTRACTION ,DIVISION OF EXTRACTIVE METALLURGY ,
PYROMETALLURGY,PYROMETALLURGICAL PROCESS (HIGH TEMPEARTURE PROCESS).
Link: Module – 1
Module – 2
Roasting operation,ROASTING DEPEND UPON FOLLOWING FACTOR,
DURATION OF ROASTING PROCESS VARIES GREATLY,OTHER ROASTING PROCESS,
ROASTING PRACTICE,INDUSTRIAL ROASTING UNITS DIAGRAM ,
MCDOUGALL HEARTH ROASTER OR MULTIPLE HEARTH ROASTER,
DRAW BACK OF MULTIPLE HEARTH ROASTER,FLASH ROASTER,
FLUDIZED BED ROASTING FLUOSOLID ROASTING,FIVE STAGE OF FLUOSOLID ROASTING,
DIAGRAM OF FLUIDIZED BED ROSTER,DIAGRAM OF TYPICAL FLUDIZATION CURVE ,
AUTOGENOUS ROASTING,FACTORS ON WHICH IGNITION TEMPERATURE
DEPENDS FOR FLUIDIZED BED ROASTING,
SINTER ROASTING OR BLAST ROASTING ,STEPS IN SINTER ROASTING,
WINNING OF METALS FROM SULPHIDES.
Link: Module – 2
Module – 3
FLUXES,REASON OF USING FLUXES,FLUX ARE CLASSIFIED ACCORDING TO THERE
CHEMICAL TYPE,
CRITERIA FOR CHOOSING FLUX ,FLUX TYPES,SLAGS,
MAIN FUNCTION OF SLAGS,PROPERTIES OF SLAG,CLASSIFICATION OF SLAG,
BASICITY OF SLAG,EXPRESSION OF BASICITY OF SLAG,METAL LOSES IN SLAG,
REASON FOR LOWERING OF VISCOSITY OF SLAG BY ADDITION OF BASIC OXIDE,
FORMATION OF SLAG,SILICATE MELTS,REASON OF HIGH VISCOSITY OF SLAG,
REASON FOR LOWERING OF VISCOSITY OF SLAG BY ADDITION OF BASIC OXIDE,
REDUCTION SMELTING USING CARBON,SOLID AND GAS REDUCTION,
PROBLEM AT HIGH TEMPERATURE,METALLOTHERMIC REDUCTION OF OXIDE.
Link: Module – 3
Module – 4
ELECTROCHEMISTRY,BASIC ELECTRICAL CIRCUIT,PRINCIPLE OF ELECTROLYSIS DEPENDS ON FOLLOWING,
ELECTRODE POTENTIAL ,APPLICATION OF ELECTRODE POTENTIAL ,
PRINCIPLE OF ELECTROMETALLURGY,ELECTRO WINNING AND ELECTRO REFINING,
CONDITION OF USING AN ELECTROLYTE,CURRENT EFICIENCY ,
ARRANGEMENT OF ELECTRODES IN ELECTROLYTIC CELL,PARALLEL ARRANGEMENTS ,
STRUCTURE OF ELECTROLYTIC MEDIA,STRUCTURE OF WATER SOLUBLE SALT
ELECTROLYTE,
MATERIAL AND HEAT BALANCE.
