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01 Olin
- 1. Overview of theProduction of TitaniumNiteshOliCMEN 413Section 001
- 2. Introduction to Titanium-Symbol:Ti Atomic no:22Atomic weight: 47.8Color :silver metallicGroup no: 4Group name: Transition elements
- 3.
- 4. Magnesium-Reduction (Kroll Process)WasteAcidand waterTICL4Acid,Leach,drySpongeremovalReduction reactorSpongeMgVacuum distillationSponge removalMgCl2Overall ReactionTicl4(g)+2 Mg(l) Ti(s)+ 2 MgCl2(l)electrolysisCl2
- 5. Separation process overviewand Conclusion separation method used in kroll`s process.>Vacuum distillation>leaching
- 6. CitationsOthmer,”kirk. “Extractive metallurgy.”Encyclopediaof chemical technology. 4th ed.vol. 16. Newyork:wiley interscience,1997. 335-37. Print.Othmer ,”Kirk.” Titanium and titanium alloys.”Encyclopedia of chemical technology. 4th ed. Vol. 24. Newyork:wiley-Interscience,1997.187-89. Print.
Editor's Notes
- #3 Titanium is a pure white lustrous metal. It can be easily fabricated. It`s the only element that burn with Nitrogen and used for fireworks.Titanium is used as alloys with aluminum, iron and other metals. It is dynamically used in aerospace industries.
- #4 Titanium minerals occurs in nature as ilemnite and rutile. The principal titanium ore,ilemnite is found mostly in alluvial sands and hard rock. Generally during an extraction process the titanium metal is extracted from its ore in a physical form called sponge. The extraction process generally used for the manufacture of titanium are magnesium reduction process and sodium reduction.
- #5 Titanium is produced mostly by metallothermic reduction of its chloride using liquid magnesium at 750⁰C known a Kroll process. In this process Rutlile, it`s ore is reduced with petroleum derived coke in a fluidized bed at 1000⁰C. The mixture is treated with chlorine which is also known as chlorination process which gives Titanium tetrachloride. Fractional distillation is used to separate the volatile chlorides formed after the reaction. In a reduction reactor titanium tetrachloride is reduced by liquid magnesium. As shown in the reaction above. The resulting porous metallic titanium is purified by leaching or heated vacuum distillation. The formed sponge is then jackhammered,pressed before it gets melted.
- #6 Vacuum distillation used in this process is a separation method where the colorless liquid form of titanium tetrachloride is purified. Leaching is another separation process used in the manufacture of titanium which is used to purification of sponge.