Oil pollution caused by heavy shipping traffic in the Baltic Sea could be removed by the help of highly porous aerogels made from the waste. These could be produced from environmentally friendly cellulose, e.g., from paper waste, but would have to be hydrophobized for oil sorption. Such a cellulose aerogel was investigated in this research work. Six types of aerogel with 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 wt% cellulose with porosities in the range of 96–98% stabilized by unsaturated polyester as cross-linker have been produced. Aerogel’s sorption capacity as well as its regeneration for sorption of crude oil, marine diesel oil, and biodiesel sorption from water surface and mechanical strength has been estimated. It was found out that crude oil sorption capacity reach 29.67 ± 0.39 g g⁻¹, biodiesel—29.07 ± 0.26 g g⁻¹, while marine diesel oil—26.26 ± 0.39 g g⁻¹. The aerogel with 0.5 wt% cellulose shows the best sorption properties after 10 cycles of the sorption.

中文翻译：

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纤维素基气凝胶用于溢油去除的研究

借助废物制成的高度多孔的气凝胶，可以消除波罗的海繁忙运输造成的石油污染。这些可以由环境友好的纤维素，例如造纸废料生产，但是必须被疏水化以吸油。在这项研究工作中对这种纤维素气凝胶进行了研究。已生产出六种类型的气凝胶，它们具有0.5％，1.0％，1.5％，2.0％，2.5％和3.0％重量百分比的纤维素，其孔隙率在96-98％范围内，并被不饱和聚酯作为交联剂稳定。据估计，气凝胶的吸附能力以及其对原油，船用柴油的吸附以及从水表面和机械强度的生物柴油吸附的再生能力。发现原油吸附能力达到29.67±0.39 g g ^-1，生物柴油—29.07±0.26 g g^-1，而船用柴油— 26.26±0.39 g g ^-1。含有0.5 wt％纤维素的气凝胶在10次吸附循环后显示出最佳的吸附性能。