Abstract
Exploiting superhydrophobic materials with low-cost, versatility and excellent reusability is still challenging for marine oil spill pollution problem. Here, we develop a superhydrophobic porous material composed of lignin, hexadecyltrimethoxysilane (HDTMS) and melamine resin sponge via simple impregnation. The as-prepared superhydrophobic melamine resin sponges (SHP-MRSs) possesses excellent separation efficiency (>98.6 %) for kinds of oil-water solutions, excellent durability (keep superhydrophobility after 35 cycles of oil-water separation) and high efficiency for oil-water continuous separation property. More interesting, the SHP-MRSs presented outstanding emulsions separation efficiency (>98.7 %) and cycling separation performance as high as 100 times. In addition, the SHP-MRSs exhibited excellent mechanical durability, high selectivity, and acid and alkali resistance. The entire features make the prepared SHP-MRSs a promising oil-water separation material for cut-price and prominent application for oil spill treatment.
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