Fig. 12.35 (continued)
Table 12.11 The adsorbed emulsion for various perlite samples
Emulsifier-modified expended (grade
size)
Emulsion adsorbed (1/kg perlite)
Emulan
A
a
Emulan
AF
b
Lutensol
AO3
c
Lutensol
AO5
d
A (0–2.5 mm)
1.90
1.90
1.70
1.70
B (0–4 mm)
1.75
1.75
1.55
1.55
C (1–5 mm)
1.65
1.65
1.45
1.45
Hydrophobic perlite modified by
emulsifiers
0.95
0.95
1.10
1.10
Expanded perlite A (unmodified)
3.90
3.90
3.90
3.90
a Oleic acid ethoxylate
b
Fatty alcohol ethoxylate
c RO(CH 2 CH 2 O) 3 H, R ¼ C 13 C 15 oxo alcohol
d
RO(CH 2 CH 2 O) 5 H, R ¼ C 13 C 15 oxo alcohol
Modified after Roulia et al. (2003)
12 Remediation of Pollution by Oil Spills
445