Study on Oil Absorption Properties of Magnetic Chitosan Stearic Acid Compound

Abstract The magnetic chitosan-stearic acid compound was prepared for using chitosan and stearic acid. The morphology, structure and hydrophobic property of the magnetic chitosan-stearic acid compound were characterized. The influences of oil type and temperature on its oil absorption performance were determined. The results shows that the magnetic chitosan-stearic acid compound has a fluffy structure with a contact angle of 133.65°, indicating that the compound has a good hydrophobic property. Different oils have various impact on the oil absorption performance of the magnetic chitosan-stearic acid compound. The magnetic chitosan-stearic acid compound has the best oil absorption to crude oil, with an oil absorption rate of 4.12 g/g. With the increase of temperature, the oil absorption rate first increases and then decreases. There is an optimal temperature for oil absorption, with a temperature of 40°C.