Structural analysis of petroleum acids in highly acidic crude oil and deacidification using organic amines

R Ma, L Jia, H Zhang, F Cao, J Shao, J Zhang, S Yan… - Fuel, 2024 - Elsevier
Naphthenic acids, polar compounds with carboxylic group, are commonly found in crude oils
as product of biodegradation. The presence of NAs in oil can cause corrosion of processing …

[HTML][HTML] Hydrodynamic effects on the direct conversion of syngas to methyl acetate in a two-stage fixed-bed/fluidized-bed combined reactor

WC Sung, HS Jung, JW Bae, JY Kim, DH Lee - Journal of CO2 Utilization, 2023 - Elsevier
The direct conversion of syngas to methyl acetate (MA) via dimethyl ether (DME) was carried
out in a combined fixed/fluidized bed reactor. Two catalysts were used in this study: Cu–ZnO …

Catalytic decarboxylation of crude oil in a fixed-bed pyrolysis reactor

FM Adebiyi, OT Ore, PB Oyegoke - Discover Energy, 2024 - Springer
This study focused on using titanium dioxide (TiO 2) as a catalyst to decarboxylate crude oil
from the Imo oil field in Nigeria. The TiO 2 catalyst was characterised using X-ray diffraction …

Kinetics of Catalytic Decarboxylation of Naphthenic Acids over HZSM-5 Zeolite Catalyst

NO Hassan, M Challiwala, DM Beshir, NO Elbashir - Catalysts, 2022 - mdpi.com
Naphthenic acids are naturally occurring carboxylic acids in crude oil with cyclic or aromatic
rings in their structure. These carboxylic acids are responsible for the acidity of crude oil …