Table 6. Viscosity of Catalytic Aquathermolysis with Iron Naphthenate under Different Initial Pressures (Reaction Conditions: 340 °C, 2 h, Oil–Water Ratio 10:3, Sodium Oleate: 0.5 wt %, n-Butanol: 0.5 wt %, Iron Naphthenate: 1 wt %).

pressure/MPa	viscosity/mPa·s (100 °C)
3	2077
2	2111