Table 2 Comparison of oil sorption capacity and reusability with various composite oil sorbents reported in the literature

From: Joule and photothermal heating techniques for oil desorption with techno-economic feasibility and environmental impact analysis

Composite sorbent

Type of used oil

Oil sorption capacity

Reusability (cycle number)

Recovery method

Refs.

Liquefied lignin/PU foam

Highly viscous oil (light crude oil)

~7

-

-

61

Liquefied lignin/carbon nanotube/PU foam

Highly viscous oil (crude oil)

6.34

5

squeezing

15

Polyurethane sponge-reinforced silica aerogels based on tetraethoxysilane

Oil

10.6

5

Extraction using n-Hexane

62

r-GONR-coated PVDF oil sorbent

Highly viscous oil (10W-40 motor oil)

~19

5

Heat using Joule-heating effect

In this study

   

10

Heat using photothermal effect

 
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