Samples

R = oil/water

(volume)

Hydrothermal temperature (˚C)

SBET

(m2·g−1)

Particle size (nm)

T2-120

2

120

232

22.8

T5-120

5

120

294

14.3

T10-120

10

120

300

9.6

T10-140

10

140

287

16.5

T10-160

10

160

259

19.4