The blower has a capacity of 15 liter/second. By using a blower, atmospheric air enters the reactor. In that way, reaction between NaOH solution and CO2 will be effective. To obtain the wide surface area, solution of NaOH is sprayed into the reactor, whereas, the air is blown into the reactor with a cyclonic flowing. The concentration of CO2 in the laboratory was 445 ppm. This paper describes the performance of system to capture CO2 from atmospheric air in process laboratory, Institute for Environmental Technology (Balai Teknologi Lingkungan) BPPT. Capturing of CO2 is performed in a cyclonic spray reactor which is equipped with sprayers. This experiment utilize technical grade NaOH with the purity of 98% produced in Indonesia. This activity includes capturing of CO2 from atmospheric air utilizing sodium hydroxide solution (NaOH) and it is called artificial tree. Increasing of Green House Gases (GHG), especially carbon dioxide gas (CO2) as a result from human activities, has been urge several countries for doing an activity regarding the minimization of CO2 in the atmosphere. Penerapan Teknologi Penangkapan Karbon Dioksida Dari Udara Bebas Menggunakan ?
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