Chen Jiajun, Ni Yimeng, Gou Yukui, Zhu Tianxue, Sun Lan, Chen Zhong, Huang Jianying, Yang Dapeng, Lai Yuekun
College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou 362000, PR China; College of Chemical Engineering, Fuzhou University, Fuzhou 350116, PR China.
College of Chemical Engineering, Fuzhou University, Fuzhou 350116, PR China.
J Hazard Mater. 2024 Jan 5;461:132674. doi: 10.1016/j.jhazmat.2023.132674. Epub 2023 Oct 4.
Frequent offshore oil leakage accidents and large quantities of oily-wastewater produced in industry and daily life bring huge challenges to global water purification. The adaptability and stability of organogels as adsorbent materials have shown wide application prospects in the field of oil-water separation. Herein, the organogels displayed stable hydrophobic/lipophilic properties with high absorption ability (1200 wt./wt%), efficient sorption of multiple emulsions (>99.0%), and good reusability. More importantly, the organogels were successfully assembled with 2D/3D substrates to achieve excellent sorption capacity (102.5 g/g) and recycling performance (50 cycles). The gel-carbon black assembled on MS (GCB-MS) sorbent with excellent photothermal conversion performance, and can rapidly heat the surface to 70.4 °C under 1.0 sunlight radiation (1.0 kW/m) and achieved an ultra-high sorption capacity of about 103 g/g for viscous crude oil. Meanwhile, the GCB-MS was combined with a pump to build continuous oil spill cleaning equipment to achieve a super-fast cleanup rate of 6.83 g/min. The developed hydrophobic organogels had been expanded unprecedentedly to realize the comprehensive treatment of oily-wastewater in complex environments, including layered oils, emulsions, and viscous crude oil spill, which provided an effective path for the comprehensive treatment of oily wastewater in complex environments.
频繁发生的海上石油泄漏事故以及工业和日常生活中产生的大量含油废水给全球水净化带来了巨大挑战。有机凝胶作为吸附材料的适应性和稳定性在油水分离领域展现出广阔的应用前景。在此，这些有机凝胶表现出稳定的疏水/亲油特性，具有高吸附能力（1200 wt./wt%）、对多种乳液的高效吸附（>99.0%）以及良好的可重复使用性。更重要的是，有机凝胶成功地与二维/三维基底组装在一起，以实现优异的吸附容量（102.5 g/g）和循环性能（50次循环）。组装在微球（MS）上的凝胶 - 炭黑（GCB - MS）吸附剂具有优异的光热转换性能，在1.0太阳光辐射（1.0 kW/m）下能迅速将表面加热到70.4 °C，并对粘性原油实现了约103 g/g的超高吸附容量。同时，GCB - MS与泵相结合构建了连续溢油清理设备，实现了6.83 g/min的超快清理速率。所开发的疏水有机凝胶得到了前所未有的拓展，以实现对复杂环境中含油废水的综合处理，包括分层油、乳液和粘性原油泄漏，为复杂环境中含油废水的综合处理提供了一条有效途径。
