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    <leader>00000nam  2200000   4500</leader>
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    <controlfield tag="005">20250109111935</controlfield>
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      <subfield code="a">0010-0322000740</subfield>
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      <subfield code="a">Laporan Kuliah Kerja Praktek PT. Vale Indonesia, Tbk :</subfield>
      <subfield code="b">Kuliah Kerja Praktek /</subfield>
      <subfield code="c">Ovfrianty Fery Sampe (15TKM068); Andi Arninda</subfield>
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      <subfield code="a">SAMPE, Ovfrianty Fery</subfield>
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      <subfield code="a">2018</subfield>
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    <datafield tag="300" ind1="#" ind2="#">
      <subfield code="a">ix, 53 halaman :</subfield>
      <subfield code="b">Tabel, gambar ;</subfield>
      <subfield code="c">20,5x28,5 cm</subfield>
      <subfield code="e">bibliografi; lampiran</subfield>
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      <subfield code="a">OPAC (Ruang Referensi - Rak LKKP TKM 2018)</subfield>
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      <subfield code="a">Makassar :</subfield>
      <subfield code="b">Politeknik ATI Makassar - Teknik Kimia Mineral,</subfield>
      <subfield code="c">2018</subfield>
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      <subfield code="a">(R)2018 LKKP-TKM 818</subfield>
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      <subfield code="a">(R)2018 LKKP-TKM 818 SAM l</subfield>
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      <subfield code="a">Laporan Praktek TKM 2018</subfield>
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    <controlfield tag="008">250109################|##########|#|##</controlfield>
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      <subfield code="a">ARNINDA, Andi</subfield>
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    <datafield tag="520" ind1="#" ind2="#">
      <subfield code="a">Proses pengolahan nikel PT. Vale Indonesia Tbk., dilakukan dengan menggunakan metod Pyrometalurgy untuk menghasilkan logam nikel dalam bentuk sulfid berkadar minimal 75% murni (nikel matte). Kegiatan operasi penambangan yang dilakukan adalah land clearing (pembersihan lahan), stripping (pengupasan lapisan tanah), ore mining (penambangan bijih), screening (pengayakan). Tahapan pengolahan nikel dan unit operasi di PT. Vale Indonesia, Tbk yaitu pengeringan (Dryer), reduksi (Reduction Kiln), peleburan (ElectricFurnace), pemurnian (Converter), serta granulasi dan penanganan produk.</subfield>
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      <subfield code="a">125/LKKP TKM 2018</subfield>
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