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All Journal Journal of Engineering Science and Technology Management
Raihan Nur Awwabin
Sriwijaya State Polytechnic
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering

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Kinetic Absorption of CO₂ from Motor Vehicle Exhaust Gas Using K₂CO₃ (Potassium Carbonate) Absorbent in a Bubble Column Reactor Raihan Nur Awwabin; Muhammad Yerizam; Erwana Dewi
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 1 (2026): Maret 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i1.304

Abstract

This study investigates the kinetics of CO₂ absorption from motor vehicle exhaust using potassium carbonate (K₂CO₃) as an absorbent in a jet bubble column reactor. The research aims to analyze the effect of process variables on reaction rate constants and CO₂ conversion efficiency. Employing a pure experimental method, the study was conducted at the Chemical Engineering Laboratory, Sriwijaya State Polytechnic, from August to July 2024. The population comprised all absorption processes using K₂CO₃, with purposive sampling applied to select experimental conditions. Key instruments included a jet bubble column reactor, gas analyzer, and supporting equipment. Data analysis utilized descriptive statistics and quantitative comparison across variable treatments. Results revealed that optimal CO₂ absorption occurred at a gas flow rate of 0.3–0.4 L/min, liquid flow rate of 0.6–0.7 L/min, temperature of 40°C, and K₂CO₃ concentration of 0.04 M, yielding the highest reaction rate constant and CO₂ conversion. The study concludes that optimizing process variables is crucial for enhancing reactor performance, while further research is recommended to address scale-up and equipment limitations.
Co-Authors Erwana Dewi Muhammad Yerizam