NI43-101Pre-Feasibility Study Report - page 27

Rare Element Resources
Bear Lodge Project
Canadian NI 43-101 Technical Report
October 9
th
, 2014
10135-200-46 - Rev. 0
xii
Table 13.1 - REO Recoveries at PUG Plant in Years 1-9 and Years 10-45 ......................... 13-4
Table 13.2 - Representative Mine Life Composites .............................................................. 13-5
Table 13.3 - Head Grade of Composites............................................................................... 13-5
Table 13.4 - REE Extraction at Leach and Precipitation Plants ............................................ 13-6
Table 13.5 - Average Annual Production of Waste Streams................................................. 13-7
Table 13.6 - Ore Sample Identification Table ........................................................................ 13-8
Table 13.7 - Cumulative Percent REO Contained Below Size Fraction, Bull Hill................ 13-13
Table 13.8 - Cumulative Percent REO Contained Below Size Fraction, Whitetail.............. 13-14
Table 13.9 - Cumulative Percent REO Contained Below Size Fraction, Whitetail.............. 13-15
Table 13.10 - Gravity Separation Testing, Whitetail............................................................ 13-16
Table 13.11 - Composite Summary..................................................................................... 13-17
Table 13.12 - TREO Analysis of PUG Pilot Composites ..................................................... 13-17
Table 13.13 - Comp 1A : PUG Concentrates and Tailings.................................................. 13-18
Table 13.14 - Comp 2: PUG Concentrates and Tailings ..................................................... 13-20
Table 13.15 - PUG Concentrates and Tailings.................................................................... 13-23
Table 13.16 - PUG Composites – Pilot Scale Results Summary........................................ 13-25
Table 13.17 - Sample Inventory Summary .......................................................................... 13-28
Table 13.18 - Compositing Ratios for Hydromet Testing Composites ................................ 13-29
Table 13.19 - Leach Efficiency Results for Various Ore Composites, ................................ 13-37
Table 13.20 - Confirmation Test Results for Rare Earth Precipitation Using Axalic Acid ... 13-39
Table 13.21 - Reagent consumption in oxalate precipitation circuit .................................... 13-40
Table 13.22 - Precipitation with Oxalic Acid ........................................................................ 13-41
Table 13.23 - Distillation column performance .................................................................... 13-45
Table 13.24 - Number of Cycles Operated per Composite sample .................................... 13-45
Table 13.25 - Feed (Barren PLS) Composition to Distillation Column ................................ 13-46
Table 13.26 - Composition of Oxalate Crystals Recovered from Distillation Residual
Solution (Recycled)....................................................................................... 13-47
Table 13.27 - Composition of Filtrate after the Oxalate Crystals are Filtered ..................... 13-48
Table 13.28 - Composition of major base metals precipitated from the final
distillation residual liquor...................................................................................................... 13-49
1...,17,18,19,20,21,22,23,24,25,26 28,29,30,31,32,33,34,35,36,37,...587
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