Penggunaan Ekstrak Daun Pepaya Sebagai Inhibitor Korosi Baja Karbon Dalam Lingkungan Crude Oil

Muhammad Libasut Taqwa (Politeknik Negeri Lhokseumawe)
Irwan Irwan (Politeknik Negeri Lhokseumawe)
Pardi Pardi (Politeknik Negeri Lhokseumawe)

Jurnal Teknologi
Vol 21, No 1 (2021): April 2021

The study of papaya leaf extract as a carbon steel corrosion inhibitor in a crude oil environment has been investigated using a weight-loss method. The effects of papaya leaf extract concentrations and immersion time have been employed to investigate the corrosion rate, with a variation of papaya leaf extract concentrations of 0, 1, 2, 3, 4, and 5 % volume and immersion time of 1, 2, 3, 4 and 5 hours. The results showed that increasing papaya leaf extract concentrations decreased the corrosion rate of carbon steel in a crude oil environment. While the increase of immersion time enhances the carbon steel corrosion rate in a crude oil environment. The lowest rate of corrosion obtained was 4.0152 mpy using papaya leaf extract concentration of 5 % volume at 5 hours immersion time. The inhibition efficiency also increased with increasing concentrations of papaya extract and immersion time. The highest inhibition efficiency was 65.54% at the concentration of papaya leaf extract 5% vol. at 5 hours immersion time.