i

LAPORAN PRAKTIKUM

LABORATORIUM METALURGI I

JIGGING COCENTRATOR

Disusun Oleh :

Nama Praktikan : M. Idrus Abdul Basir

Npm : 3334120825

Jurusan : Teknik Metalurgi

Kelompok : 18

Rekan : 1. Giar Maulana Sidiq

2. Rapli Nur Ahmadi

Tgl Praktikum : 10 Desember 2014

Tanggal Pengumpulan Lap. : 13 Desember 2014

Asisten : Haniwati Wadda

LABORATORIUM METALURGI FAKULTAS TEKNIK

UNIVERSITAS SULTAN AGENG TIRTAYASA

CILEGON BANTEN

2014

ii

LEMBAR PENGESAHAN

Tanggal Masuk Laporan Tanggal Revisi Tanda Tangan

1.

2.

Disetujui untuk Laboratorium Metalurgi FT. Untirta

Cilegon, Desember 2014

(Haniwati Wadda)

iii

DAFTAR ISI

Halaman

HALAMAN JUDUL .................................................................................................. i

LEMBAR PENGESAHAN ........................................................................................ ii

DAFTAR ISI ............................................................................................................. iii

DAFTAR GAMBAR ................................................................................................. v

DAFTAR LAMPIRAN ............................................................................................... v

BAB I PENDAHULUAN

1.1 Latar Belakang .............................................................................................. 1

1.2 Tujuan Percobaan ......................................................................................... 1

1.3 Batasan Masalah ........................................................................................... 1

1.4 Sistematika Penulisan ................................................................................... 2

BAB II TINJAUAN PUSTAKA

2.1 Pengolahan Bahan Galian ............................................................................. 3

2.2 Jig Cocentrator ............................................................................................. 4

2.3 Mekanisme Jiging Cocentrator .................................................................... 7

BAB III METODE PERCOBAAN

3.1 Diagram Alir Percobaan............................................................. ................... 9

3.2 Alat dan Bahan............................................................................. ................ 10

3.2.1 Alat yang digunakan ............................................................................... 10

3.2.2 Bahan yang digunakan ............................................................................. 10

3.3 Prosedur Percobaan ...................................................................................... 10

BAB IV DATA DAN PEMBAHASAN 4.1 Data Percobaan.............................................................................................. 12

4.2 Pembahasan ................................................................................................... 13

BAB V KESIMPULAN 5.1 Kesimpulan. ................................................................................................... 18

5.2 Saran. .............................................................................................................. 18

DAFTAR PUSTAKA ................................................................................................ 19

LAMPIRAN

Lampiran A CONTOH PERHITUNGAN..................................................................21

Lampiran B JAWABAN PERTANYAAN DAN TUGAS KHUSUS ......................25

Lampiran C GAMBAR ALAT DAN BAHAN ........................................................ 33

Lampiran D BLANKO PERCOBAAN .................................................................... 35

iv

DAFTAR GAMBAR

Gambar Halaman

Gambar 2.1 Tahap pengolahan bahan galian ............................................................... 3

Gambar 2.2 Skema jigging concentrator ..................................................................... 4

Gambar 2.3 Skema pulsion dan suction ....................................................................... 5

Gambar 3.1 Diagram Alir Percobaan Jigging Concentrator ..................................... 10

Gambar 4.1 Grafik antara Tegangan terhadap Stroke Per Minute ............................. 14

Gambar 4.2 Grafik Stroke vs Massa Besi dan Kwarsa Kosentrat .............................. 15

Gambar 4.3 Grafik Stroke vs Massa Besi dan Kwarsa Tailing ............................. 17

Gambar B.1 Grafik hubungan antara stroke per minute terhadap kadar Fe.............. 31

Gambar C.1 Screening ............................................................................................... 34

Gambar C.2 Jig Concentrator .................................................................................... 34

Gambar C.3 Timbangan ............................................................................................. 34

Gambar C.4 Oven ....................................................................................................... 34

Gambar C.5 Pasir Besi ............................................................................................... 34

Gambar C.6 Pasir Kwarsa .......................................................................................... 34

Gambar C.7 Tatakan Seng ......................................................................................... 34

v

DAFTAR LAMPIRAN

Lampiran Halaman

Lampiran A. Contoh perhitungan ............................................................................. 21

Lampiran B. Jawaban Pertanyaan dan Tugas ........................................................... 25

Lampiran C. Gambar alat dan Bahan ....................................................................... 33

Lampiran D. Blanko Percobaan ............................................................................... 35