?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+JENIS+REDUKTAN+PADA+PROSES+REDUKSI+SELEKTIF%0D%0A%0D%0ABIJIH+NIKEL+LATERIT&rft.creator=%09Deni+%2C+Radiansyah&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Indonesia+merupakan+penghasil+nikel+terbesar+ke+lima+di+dunia.+Terdapat+2+jenis+bijih%0D%0Anikel+yang+banyak+digunakan+sebagai+bahan+baku+pembuatan+logam+nikel+yaitu+bijih%0D%0Ajenis+sulfida+dan+laterit.+Pada+penelitian+ini%2C+percobaan+untuk+meningkatkan+kadar+nikel%0D%0Adalam+bijih+nikel+laterit+telah+dilakukan+dengan+cara+membuat+pelet+dari+campuran+bijih%0D%0Anikel+laterit+jenis+limonit%2C+reduktan+jenis+fosil+dan+reduktan+jenis+biomassa%2C+serta+aditif%0D%0ANa2SO4%2C+dilanjutkan+dengan+reduksi+sampel+dengan+pemanggangan+dalam+muffle%0D%0Afurnace+pada+temperatur+1150+oC+dan+waktu+pemanggangan+selama+1+jam.+Hasil%0D%0Areduksi+kemudian+digiling+menggunakan+shaker+mill+untuk+selanjutnya+dicampur%0D%0Adengan+air+dan+dipisahkan+dengan+alat+pemisah+magnet+untuk+memisahkan+konsentrat%0D%0Adan+tailing.+Karakterisasi+seperti+XRF%2C+XRD%2C+dan+FE-SEM+digunakan+untuk%0D%0Amemastikan+kandungan+nikel+dan+besi%2C+perubahan+fasa%2C+dan+struktur+mikro+feronikel.%0D%0AHasil+optimal+pada+penambahan+reduktan+jenis+fosil+diperoleh+pada+penambahan+batu%0D%0Abara-0%2C71+S+dengan+kadar+nikel+sebesar+6%2C14%25+dengan+recovery+nikel+sebesar+89%2C94%25.%0D%0ASedangkan+hasil+optimal+pada+penambahan+reduktan+jenis+biomassa+diperoleh+pada%0D%0Apenambahan+arang+cangkang+sawit+dengan+kadar+nikel+sebesar+4%2C70%25+dengan+recovery%0D%0Anikel+sebesar+43%2C89%25.%0D%0AKata+Kunci%3A+Nikel+laterit%2C+limonit%2C+reduktan+jenis+fosil%2C+reduktan+jenis+biomassa%0D%0AIndonesia+is+the+fifth+largest+nickel+producer+in+the+world.+There+are+2+types+of+nickel%0D%0Aore+which+are+widely+used+as+raw+materials+for+making+nickel+metal%2C+there+are+sulfide%0D%0Aand+laterite+ores.+In+this+research%2C+an+experiment+to+increase+the+nickel+grades+in+the%0D%0Alaterite+nickel+ore+was+carried+out+by+making+pellets+from+a+mixture+of+limonitic+type%0D%0Aof+laterite+nickel+ore%2C+fossil+type+reductants+and+biomass+type+reductants%2C+as+well+as%0D%0ANa2SO4+additive%2C+followed+by+reducing+the+sample+by+roasting+in+a+muffle+furnace+at%0D%0A1150oC+temperature+and+one-hour+roasting+time.+The+reduced+ore+from+reduction%0D%0Aprocess+was+grounded+in+shaker+mill%2C+then+mixed+with+water+and+passed+to+magnetic%0D%0Aseparator+to+separate+concentrate+and+tailing.+Techniques+such+as+XRF%2C+XRD%2C+and%0D%0ASEM-EDS+are+employed+to+ascertain+the+content+of+nickel+and+iron%2C+phase+changes%2C%0D%0Aand+the+microstructure+of+the+ferronickel.+Optimal+results+for+the+addition+of+fossil+type%0D%0Areductants+were+obtained+from+the+addition+of+coal-0.71+S+with+a+nickel+grade+of+6.14%25%0D%0Aand+nickel+recovery+of+89.94%25.+Meanwhile%2C+optimal+results+from+the+addition+of%0D%0Abiomass+type+reductants+were+obtained+from+the+addition+of+palm+shell+charcoal+with%0D%0Aa+nickel+grade+of+4.70%25+and+nickel+recovery+of+43.89%25.%0D%0AKeywords%3A+Laterite+nickel+ore%2C+limonite%2C+fossil+type+reductants%2C+biomass+type%0D%0Areductants&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2024-06-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86843%2F1%2FDeni%2520Radiansyah-1717041004-ABSTRAK%2520-%2520deni%2520radiansyah.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86843%2F2%2FDeni%2520Radiansyah-1717041004-FULL%2520SKRIPSI%2520-%2520deni%2520radiansyah.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86843%2F3%2FDeni%2520Radiansyah-1717041004-FULL%2520SKRIPSI%2520TANPA%2520PEMBAHASAN%2520-%2520deni%2520radiansyah.pdf&rft.identifier=+++Deni+%2C+Radiansyah++(2024)+PENGARUH+JENIS+REDUKTAN+PADA+PROSES+REDUKSI+SELEKTIF+BIJIH+NIKEL+LATERIT.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F86843%2F