Importance

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Abstract

A volatile organic compound (VOC) abatement system is provided which incorporates a carbon or zeolite type concentrating adsorption device, with VOCs collected upon the adsorption surfaces. A heat source is required heat gases flowing to the adsorption device in order to remove the concentrated VOCs. Also, heat is required to oxidize the VOCs into a safe form prior to their release into the atmosphere. The present invention employs a regenerative thermal oxidizer for efficiently combusting the VOCs prior their release into the atmosphere. The present system also employs a bypass valve for introducing a portion of the VOCs directly into a combustion chamber without regenerative preheating. The resulting lowering of thermal efficiency of the regenerative thermal oxidizer allows the exhaust from the regenerative thermal oxidizer to carry more thermal energy. The thermal energy from the exhaust is then transferred to a heat exchanger to heat gasses flowing into the adsorption device.

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First Claim