Journal of Chemistry / 2019 / Article / Tab 1 / Research Article
Synthesis of a Superhydrophobic Polyvinyl Alcohol Sponge Using Water as the Only Solvent for Continuous Oil-Water Separation Table 1 Comparison of the absorption capability of various absorbents.
Absorbent Cost Oil Sorption capacity, g/g Oil recovery method Ref. Once Total Silane-modified nanocellulose + Toluene ∼170 1020 Distillation [37 ] Functional bacterial cellulose ++ Diesel 120 1200 Squeezing [19 ] Grapheme sponge ++ Dodecane ∼20 200 Burning [38 ] CNTs hybrids ++ Chloroform ∼95 570 Acetone extraction [39 ] Attapulgite coated PU sponge — Kerosene — 3200 Continuous separation [40 ] Silylated PVA sponge — Toluene — 7600 Continuous separation Present work
Note: “once” means saturated absorption capacity; “total” is calculated through saturated absorption capacity multiplied by the number of cycles, or mass flux multiplied by the running time.