MINERAL ENGINEERING FUEL TECHNOLOGY 4 Semester B.

ContentIntroduction to mineral and mineral EngineeringSubject coversCharacteristic of mineralRock vs mineralMineral Vs Ore:Physical properties of mineralUses of some mineral.Mineral processing:Advantages of mineral processing :AdvantagesPrincipal Principal operation operation in mineral processing:Two fundamental operation of mineral processing:Requirement of efficient mineral processing:ComminutionAdvantage of wet grindingSamplingHow sampling is doneAnalysisTypes of Separation of usefully values from impurities in a mineralThese energy loss manifest in form of Laws of reductionKicks lawBond lawCharacteristic action of size reduction equipment Dodge jaw crusherGyratory crusherJaw crusher vs gyratory crusherGyratory vs cone crusherRoll crusherDisadvantages of roll crusher:Motion of the charge in a tumbling mill :Grinding parameter in a ball millClose circuitFeed controlSize separationConcept of meshScreening6-trommels ( vibrating screen)Limitation of screening :Hydro cycloneStocks Stocks Stocks law law law and and and terminal terminal terminal velocity(settling velocity(settling velocity) velocity) velocity)Stokes' law makes the following assumptions for the behaviour of a particle in a fluid:Concentration4.Magnetic separation 5. electrostatic separation Gravity separation or gravity concentration:Principles of gravity concentration:Concentration criteriaGravity separation operation:Jigging operation (Expansion and contraction of bed due to jig action)Principle of jigging:Jigging cycle :Jigs typesHeavy media separation or dense media separation : ( HMS)or (DMS)Froth flotation:ReagentsCollectors classification : Frother :Magnetic separation separationType of magnetic separatorDry Low intensity magnetic separatorCounter Counter rotating rotating drum drum separator Cross belt separator: initially are used for recovering ilmenite from heavy mineral concentrate ,Induced roll separator(IRMs)Draw back of dry high intensity separation :Limitation of this processHigh tension separation High tension separation and concept of pinning effect Operation of H.T.SModern electrostatic separators are two typesOperation of modern (E.S.S )plate and screen typeAdvancement of electrostatic separatorAgglomeration SINTERING MACHINE ]Wet ore- drying-calcination calcination-preheatSinter typesThree water particle systemDiagram of water particle systemMechanism of ball formationThe rate of production of balls on a disc is a function of the following variablesTesting Testing of of agglomerate agglomeratePorosity:1- water gas –2-producer producer gas gas-Introduction to mineral processing(Engineering) Crushing and grinding Size separation methods Concentration methods Agglomeration techniques Fuel technology