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- W2054605880 abstract "Naphthenic acid (NA) present in crude oil leads to corrosion problems within oil refineries. The objective of this study is to reduce total acid number (TAN) from NA using a catalyst-free supercritical methanol (SC-MeOH), a process novel in this area. The reaction was carried out in an 8.8 mL batch reactor fabricated from Hastelloy C-276 with respective design temperature and pressure of 500 °C and 50 MPa. The ability of SC-MeOH to reduce TAN was explored at temperatures from 300 to 350 °C and methanol partial pressure (MPP) of 10 MPa. Experimental results revealed that TAN removal was 99.77% at a temperature of 350 °C, MPP of 10 MPa and reaction time of 60 min. The TAN removal followed first order kinetics, with Arrhenius parameters of activation energy 5.78 kcal/ mol and a pre-exponential factor 1.56 s− 1. These results suggest that SC-MeOH is capable of reducing TAN from NA with no use of catalyst or additives." @default.
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- W2054605880 date "2013-02-01" @default.
- W2054605880 modified "2023-10-18" @default.
- W2054605880 title "Non-catalytic reduction of total acid number (TAN) of naphthenic acids (NAs) using supercritical methanol" @default.
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- W2054605880 doi "https://doi.org/10.1016/j.fuproc.2012.09.058" @default.
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