B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 5/00 (2006.01) B09C 1/06 (2006.01) C09K 17/00 (2006.01)
Patent
CA 2096964
2096964 9305896 PCTABS00021 The recirculating system includes a soil stack (10), which is formed by sequential layers of contaminated soil and hot air pipes (22, 26, 32, 34). A plurality of vapor collection pipes (40, 46) is laid over the top of the stack, with a sealing member (50) positioned over the entire stack (10) and sealed around the base thereof. First and second connecting means (99, 102) connect the hot air pipes and the vapor collection pipes to a heating/vapor destruction system (52), which includes a burn chamber (54), a first duct (91) extending from the outlet of the chamber (54) to a first blower (93), a second duct (97) extending from the first blower (93) to the first connecting means (99), a third duct (106) extending from the second connecting means (102) to a second blower (110), and a fourth duct (120) which extends from the second blower (110) to the inlet (58) of the chamber (54). Test ports (114, 115) are positioned in the second connecting means to continuously determine the level of contaminants in the vapor.
Ikenberry Maynard D.
Kent & Edgar
LandOfFree
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