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Tire Derived Fuel Characteristics

1. Tire Derived Fuel Analysis
2. Tire Derived Fuel By-Products Analysis
1. Tire Derived Fuel Analysis
     
    Representative Analysis of TDF Produced By WRI
    (Source: TDF Produced From Scrap Tires with 96+% Wire Removed)
    Description %By Wt (As Received) %By Wt (Dry Basis)
    Proximate Analysis
    Moisture 0.62 ----
    Ash 4.78 4.81
    Volatile Matter 66.64 67.06
    Fixed Carbon 27.96 28.13
    Total 100.00 100.00
    Ultimate Analysis
    Moisture 0.62 ----
    Ash 4.78 4.81
    Carbon 83.87 84.39
    Hydrogen 7.09 7.13
    Nitrogen 0.24 0.24
    Sulfur 1.23 1.24
    Oxygen (by difference) 2.17 2.19
    Total 100.00 100.00
    Elemental Mineral
    Analysis (Oxide Form)
    Zinc 1.52 1.53
    Calcium 0.378 0.380
    Iron 0.321 0.323
    Chlorine 0.149 0.150
    Chromium 0.0097 0.0098
    Fluoride 0.0010 0.0010
    Cadmium 0.0006 0.0006
    Lead 0.0065 0.0065
    Others below detectable limits
    Heat Value BTU/lb kJ/kg
    HHV 16,250 37,798
    HV Ave 15,500 36,053
    TDF Combustion
    Characteristics ° F ° C
    Tires ignite (flash point) 550 - 650 288 - 343
    Carbon begins to burn 842 450
    Carbon completely burnt 1202 650
© 1986 Waste Recovery, Inc.
84% OF A TIRE,S WEIGHT IS FROM RUBBER COMPOUNDS. REMAINDER
IS BEAD AND BELT WIRE PLUS CARCASS AND CHAFER FABRIC
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2. Tire Derived Fuel By-Products Analysis

The data presented in the following two tables is analysis of bottom ash and fly ash from a facility combusting only Tire Derived Fuel. It would not be representative of facilities that use TDF as a supplement to another fuel, such as coal or wood.

PRELIMINARY RESULTS OF SLAG (BOTTOM ASH) ANALYSIS

 
COMPOUND SAMPLE 1 SAMPLE 2 AVERAGE
Total Carbon (%) 0.071 0.258 0.164
Aluminum 0.128 0.283 0.206
Arsenic 0.002 ---- 0.001
Cadmium 0.001 0.001 0.001
Chromium 0.978 0.068 0.523
Copper 0.255 0.320 0.288
Iron 95.713 96.721 96.217
Lead 0.001 0.001 0.001
Magnesium 0.058 0.059 0.058
Manganese 0.058 0.307 0.416
Nickel 0.241 0.093 0.167
Potassium 0.010 0.015 0.012
Silicon 0.340 0.246 0.293
Sodium 0.851 0.701 0.776
Zinc 0.052 0.160 0.106
Tin 0.007 0.006 0.006
Sulfur 0.766 0.762 0.764
100.0 100.0 100.0


ANALYSIS OF SCRAP TIRE FLY ASH

 
Contents
Weight by Percentage
Zinc
51.48%
Lead
0.22%
Iron
6.33%
Chromium
0.03%
Copper
0.55%
Nickel
0.03%
Arsenic
0.02%
Aluminum
0.76%
Magnesium
0.50%
Sodium
0.01%
Potassium
0.01%
Magesium Dioxide
0.36%
Tin
0.03%
Silicon
6.85%
Cadmium
0.05%
Carbon
32.20%
  Total
99.43%
Note: These results are from incineration of 100% tire fuel.
Sources: Radian Corporation, Results From Sampling and Analysis of Wastes From the Gummi Mayer Tire
Incinerator, May 1985.

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