Preliminary Study Of Processing Manganese Ore From Pringsewu District Of Lampung Province

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dc.contributor.authorIsnugroho, Kusno
dc.contributor.authorHendronursito, Yusup
dc.contributor.authorBirawidha, David C
dc.date.accessioned2016-04-22T02:01:48Z
dc.date.available2016-04-22T02:01:48Z
dc.date.issued2016-04-22
dc.description.abstractManganese ore coming from Pringsewu district of Lampung province belongs to manganiferous ore. Containing approximately 32.27% Mn and 14.87% Fe, this Pringsewu manganese ore is classified into low grade manganese ore (Mn<40%). Processing by hydrometallurgy technique has some shortcomings, and one of them is expensive additional cost for reprocessing used chemical materials. The objective of this research was to process low grade manganese ore by using composite pellets followed with pyrometallurgy process. The first process was started by milling, sieving, stirring, and composite pellet making. The next process was composite pellet reduction by using hot blast cupola and induction furnace into pig iron with manganese containing, and this was usually called as spiegeleisen. Reduction process by using hot blast cupola produced spiegeleisen with the following compositions: 16.98% Mn; 5.02% C; 75.64% Fe; 0.87% Si; 0.072% P; 0.028% S; while reduction process by using induction furnace produced spiegeleisen with the following compositions: 9.36% Mn; 4.85% C; 86.03% Fe; 0.21% Si; 0.01% P; 0.02% Sen_US
dc.description.sponsorshipInternational Conference on Oleo and Petrochemical Engineering Pekanbaru-Indonesia, November 23, 2015en_US
dc.identifier.isbn978-602-73367-0-4
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/8226
dc.language.isoenen_US
dc.subjectmanganeseen_US
dc.subjectoreen_US
dc.subjectreductionen_US
dc.subjectfurnaceen_US
dc.subjectpyrometallurgyen_US
dc.subjectspiegeleisenen_US
dc.titlePreliminary Study Of Processing Manganese Ore From Pringsewu District Of Lampung Provinceen_US
dc.typeUR-Proceedingsen_US

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8.International Conference on Oleo and Petrochemical Engineering 2015