ABATEMENT APPARATUS FOR EXHAUST GAS
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United States of America Patent
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Issued Date -
Jun 29, 2023
app pub date -
Dec 19, 2022
filing date -
Dec 24, 2021
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Abstract
An abatement apparatus capable of treating exhaust gas with less wet treatment devices than a conventional abatement apparatus is disclosed. The abatement apparatus includes: a pre-wet treatment device; a combustion treatment device; gas introduction lines coupled to process chambers of a film forming device; first flow-path switching devices coupled to the plurality of gas it lines, respectively; a first gas delivery line extending from the first flow-path switching devices to the pre-wet treatment device; a second gas delivery line extending from the first flow-path switching devices to the combustion treatment device; and an operation controller configured to control operations of the first flow-path switching devices to deliver the process gas to the pre-wet treatment device and deliver the cleaning gas to the combustion treatment device.
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