B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/06 (2006.01) F23G 5/027 (2006.01) F23G 7/14 (2006.01) F27D 17/00 (2006.01)
Patent
CA 2151918
Toxic wastes and other contaminants are re- moved from soil in a stationary retort (10, 110) where the soil is agitated and brought into contact with the retort walls (11, 111, 111A) (at a temper- ature preferably above 500 °C) to cause the wastes or contaminates to be desorbed. The "off-gases" may be mixed with air/fuel in a combustion cham- ber (31, 131), to heat the retort; may be burnt in a secondary burner (40) to preheat and/or dry the soil feed; or be condensed in a condenser (41) and stored.
Robertson Struan Glen
Uren John Russell
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