Figure 7

(a) Digital Photos of the absorption process of hydrophobic GG/EL aerogel, (b) a schematic procedure of oil absorption and desorption of aerogel, (c) Absorption capacity of the OTDS-modified GG/EL aerogel for different oils and organic solvents, (d) Recyclability of the OTDS-modified GG/EL aerogel done ten squeezing cycles.