HYDROPHIL 



PORTION OF^- ^^L 



DISPERSANT — 



OIL DROPLETS 



UNTREATED 

 CRUDE OIL 

 ADHERES 

 TO SAND 



MARINE SEDIMENT 

 SAMPLES SHOWN 

 AFTER AGITATION 

 WITH CRUDE OIL 

 AND PURGING 



CRUDE OIL + DISPERSANT 

 DOES NOT WET 

 SAND PARTICLES 



Figure 2. Chemical dispersant prevents droplet coalescence, 



87 



