Fluid treatment method

Liquid purification or separation – Processes – Including controlling process in response to a sensed condition

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Details

210747, 210761, 210766, C02F 174

Patent

active

047740060

ABSTRACT:
The subterranean treatment apparatus and methods disclosed herein are useful for treating various waste streams, including municipal and industrial streams. The disclosed apparatus and methods are particularly useful in determining and controlling the temperature of the reaction zone in a deep well reaction apparatus while avoiding fouling of thermocouples and permitting easy service and replacement. In the disclosed embodiment, a fluid quiescent zone is created in the heat exchanger of the treatment apparatus located within the reaction zone and the temperature is used to control the system by operation of the heat exchanger or control of the C.O.D. of the influent.

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patent: 3853759 (1974-12-01), Titmas
patent: 4229296 (1980-10-01), Wheaton et al.
patent: 4272383 (1981-06-01), McGrew
patent: 4564458 (1986-01-01), Burleson
patent: 4671351 (1987-06-01), Rappe
patent: 4692252 (1987-09-01), Atwood et al.
patent: 4713177 (1987-12-01), Atwood et al.

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