| 摘要 |
A decontamination converter apparatus installed at an outdoor site where organic compounds have been stored and where such compounds have entered the ground as contaminants and endanger the groundwater comprising an inlet conduit constructed to receive an air stream, produced at the site, that carries organic contaminants; preheating means comprising (a) a heat exchanger and (b) an externally powered heater, said preheating means arranged to preheat said site-produced air stream carrying said contaminants; and oxidizing catalytic converter having a predetermined minimum operating temperature for efficient operation and arranged to receive the said air stream from said preheater means and constructed to oxidize said organic contaminants to produce a decontaminated effluent air stream substantially free of said organic contaminants; and ducting directing the thus decontaminated, hot effluent air stream from said catalytic converter through said heat exchanger and thence to the atmosphere; said heat exchanger being effective to cause the decontaminated air stream to transfer heat to the incoming site-produced air stream that carries said contaminants and said heater of said preheating means constructed and arranged to cooperate with said heat exchanger to elevate the temperature of said preheated air stream reaching said catalytic converter to at least said minimum operating temperature, to ensure catalytic conversion of said organic contaminants to decontaminated form before release to the atmosphere.
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