The present invention relates to a modular ozone generation apparatus with improved cooling performance and efficiency and economical productivity, maintenance, and repair. According to the present invention, the modular ozone generation apparatus includes: a housing body; a plurality of modular ozone generation units having an oxygen inlet and an ozone outlet, configured to receive oxygen through the oxygen inlet to produce ozone and discharge the ozone to the ozone outlet, and including a refrigerant inlet for receiving a refrigerant and a refrigerant discharge pipe for discharging the refrigerant; a refrigerant line; and an ozone line, wherein the modular ozone generation unit is connected in parallel to the refrigerant line and the ozone line so that ozone generation efficiency is constantly maintained for each module.;COPYRIGHT KIPO 2020
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