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Life Cycle Assessment Data

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Table R1b Overall Inventories and Potential Impacts: Ferronickel, Nickel Oxide, and Class I Nickel
Last revised 31 October 2003

Per I kg product

  Flow Units Ferronickel Production (per 1 kg ferronickel) Nickel Oxide Production (per 1 kg nickel oxide) Class I Nickel Production (per 1 kg class I nickel)
Inputs: (r) Coal (in ground) kg 1.7 2.4 1.7
  (r) Iron (Fe, ore) kg 4.0 5.7 E-04 1.2 E-03
  (r) Limestone (CaCO3, in ground) kg 0.17 0.31 0.24
  (r) Natural Gas (in ground) kg 0.41 2.7 1.8
  (r) Nickel, in ground kg 0.63 1.9 1.8
  (r) Oil (in ground) kg 2.3 3.5 2.0
  (r) Uranium (U, ore) kg 1.1 E-05 1.9 E-05 3.6 E-05
  Net Water Used liter 216 238 1916
  Water: Public Network liter 15 6.6 186
  Water: River liter 14 131 946
  Water: Sea liter 153 2.5 E-04 5.7
  Water: Unspecified Origin liter 34 74 39
  Water: Well liter 0.24 27 740
Outputs: (a) Carbon Dioxide (CO2, fossil) g 8687 20280 13579
  (a) Carbon Monoxide (CO) g 27 48 37
  (a) Nitrogen Oxides (NOx as NO2) g 49 66 52
  (a) Nitrous Oxide (N2O) g 4.2 1.5 1.3
  (a) Particulates (unspecified) g 20 57 39
  (a) Sulfur Oxides (SOx as SO2) g 52 1698 961
  (a) Methane (CH4) g 16 36 28
  (a) Hydrocarbons (except methane) g 12 17 13
  (a) Nickel (Ni) g 2.6 E-02 4.7 2.2
  (a) Chromium (Cr) g 1.1 E-03 2.6 E-03 1.8 E-03
  (a) Arsenic (As) g 0.28 0.80 0.45
  (a) Copper (Cu) g 1.5 E-03 0.96 0.48
  (a) Cobalt (Co) g 1.0 E-03 4.3 E-02 4.8 E-02
  (a) Zinc (Zn) g 2.0 E-02 0.14 8.0 E-02
  (a) Lead (Pb) g 2.6 E-03 0.41 0.28
  (a) Cadmium (Cd) g 9.4 E-04 2.9 E-03 3.0 E-03
  (a) Mercury (Hg) g 9.9 E-03 2.8 E-02 1.6 E-02
  (a) Silver (Ag) g 0.28 0.87 0.52
  (a) Metals (unspecified) g 8.3 E-02 0.18 0.23
  (a) Ammonia g 1.1 3.6 5.6
  (a) Chloride (Cl2) g 8.1 E-04 1.0 E-03 0.34
  (a) Dioxins (unspecified) g 2.5 E-09 3.4 E-07 3.8 E-07
  (a) VOC (Volatile Organic Compounds) g 0.57 2.0 2.2
  (a) Hydrogen Chloride (HCl) g 0.3 0.75 0.83
  (a) Hydrogen Cyanide (HCN) g 1.3 E-07 3.0 E-05 6.8 E-05
  (a) Hydrogen Fluoride (HF) g 2.1 E-02 4.6 E-02 4.7 E-02
  (a) Hydrogen Sulfide (H2S) g 2.4 E-02 3.6 E-02 2.7 E-02
  (a) Sulfuric Acid (H2SO4) g 7.0 E-06 31 17
  (w) BOD5 (Biochemical Oxygen Demand) g 0.59 0.85 1.7
  (w) COD (Chemical Oxygen Demand) g 5.0 6.7 4.2
  (w) Sulfates (SO4-) g 0.61 143 76
  (w) Nitrogenous Matter (unspecified, as N) g 0.92 207 224
  (w) Phosphates (as P) g 1.9 E-05 7.6 E-03 1.1 E-02
  (w) TOCs (Total Organic Compounds) g 3.0 E-02 0.33 0.23
  (w) Arsenic, Total g 8.6 E-06 4.7 E-04 1.1 E-03
  (w) Arsenic, Dissolved g   6.8 E-05 4.2 E-05
  (w) Nickel, Total g 1.6 E-06 0.11 9.7 E-02
  (w) Nickel, Dissolved g   8.7 E-03 1.2 E-02
  (w) Copper, Total g 4.1 E-05 6.7 E-03 1.1 E-02
  (w) Copper, Dissolved g   8.6 E-05 2.5 E-04
  (w) Cobalt, Total g 1.9 E-06 6.4 E-04 8.4 E-03
  (w) Cobalt, Dissolved g     1.7 E-03
  (w) Zinc, Total g 5.6 E-05 1.0 E-03 9.9 E-04
  (w) Zinc, Dissolved g   3.2 E-04 7.3 E-04
  (w) Lead, Total g 3.3 E-04 3.2 E-02 3.8 E-02
  (w) Lead, Dissolved g   1.1 E-04 5.2 E-05
  (w) Mercury, Total g 3.7 E-07 3.1 E-05 7.4 E-05
  (w) Mercury, Dissolved g   3.6 E-05 1.7 E-05
  (w) Silver, Total g 1.8 E-06 1.4 E-04 1.6 E-05
  (w) Silver, Dissolved g   6.4 E-07 6.6 E-05
  (w) Cadmium, Total g 1.9 E-06 1.2 E-05 1.2 E-05
  (w) Cadmium, Dissolved g   3.2 E-06 1.6 E-05
  (w) Chromium, Total g 4.4 E-05 2.5 E-04 3.9 E-04
  (w) Chromium, Dissolved g   9.0 E-05 4.0 E-05
  (w) Dioxins g     5.4 E-05
  (w) Acids, Total g 9.3 E-04 1.1 E-02 1.9 E-02
  Solid Materials: Waste Rock and Backfill kg 48 135 72
  Solid Materials: Tailings and Other Process Residues kg 6.8 144 72
  Solid Materials: Other kg 0.63 1.4 1.1
Energy: Feedstock Energy MJ 17 73 40
  Fuel Energy MJ 149 277 197
  Non Renewable Energy MJ 158 332 218
  Renewable Energy MJ 7.5 17 18
  Total Primary Energy MJ 166 350 237
Potential Impacts: CML- Air Acidification g eq. H 2.7 56 32
  CML - Eutrophication g eq. PO4 8.3 98 103
  IPCC- Global Warming (direct, 100 years) g eq. CO2 10165 21547 14580
  WHO- Photochemical Oxidant Formation (average) g eq. Ethylene 5.2 8.2 6.5
  EB(R*Y)-Depletion of non renewable resources yr-1 38 113 110
  Blank cells mean no value at all.

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